Mercurial > p > roundup > code

annotate roundup/backends/back_anydbm.py @ 1519:6fede2aa6a12

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
added ability to restore retired nodes
author Andrey Lebedev <kedder@users.sourceforge.net>
date Sun, 16 Mar 2003 22:24:56 +0000
parents c101d2ff5a20
children 63aa7be52d2c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
213
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
1 #
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
2 # Copyright (c) 2001 Bizar Software Pty Ltd (http://www.bizarsoftware.com.au/)
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
3 # This module is free software, and you may redistribute it and/or modify
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
4 # under the same terms as Python, so long as this copyright message and
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
5 # disclaimer are retained in their original form.
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
6 #
214
18134bffab37 stupid typo
Richard Jones <richard@users.sourceforge.net>
parents: 213
diff changeset
7 # IN NO EVENT SHALL BIZAR SOFTWARE PTY LTD BE LIABLE TO ANY PARTY FOR
213
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
8 # DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
9 # OUT OF THE USE OF THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
10 # POSSIBILITY OF SUCH DAMAGE.
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
11 #
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
12 # BIZAR SOFTWARE PTY LTD SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
13 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
14 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS"
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
15 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
16 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
17 #
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
18 #$Id: back_anydbm.py,v 1.112 2003-03-16 22:24:54 kedder Exp $
440
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
19 '''
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
20 This module defines a backend that saves the hyperdatabase in a database
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
21 chosen by anydbm. It is guaranteed to always be available in python
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
22 versions >2.1.1 (the dumbdbm fallback in 2.1.1 and earlier has several
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
23 serious bugs, and is not available)
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
24 '''
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
25
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
26 import whichdb, anydbm, os, marshal, re, weakref, string, copy
902
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
27 from roundup import hyperdb, date, password, roundupdb, security
646
07abfe8f0c01 use blobfiles in back_anydbm which is used in back_bsddb.
Engelbert Gruber <grubert@users.sourceforge.net>
parents: 624
diff changeset
28 from blobfiles import FileStorage
1467
378081f066cc registration is now a two-step process with confirmation from the
Richard Jones <richard@users.sourceforge.net>
parents: 1442
diff changeset
29 from sessions import Sessions, OneTimeKeys
818
254b8d112eec cleaned up the indexer code:
Richard Jones <richard@users.sourceforge.net>
parents: 787
diff changeset
30 from roundup.indexer import Indexer
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1327
diff changeset
31 from roundup.backends import locking
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
32 from roundup.hyperdb import String, Password, Date, Interval, Link, \
1417
472c21af7f69 fixed error in indexargs_url (thanks Patrick Ohly)
Richard Jones <richard@users.sourceforge.net>
parents: 1409
diff changeset
33 Multilink, DatabaseError, Boolean, Number, Node
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
34 from roundup.date import Range
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
35
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
36 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
37 # Now the database
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
38 #
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
39 class Database(FileStorage, hyperdb.Database, roundupdb.Database):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
40 '''A database for storing records containing flexible data types.
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
41
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
42 Transaction stuff TODO:
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
43 . check the timestamp of the class file and nuke the cache if it's
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
44 modified. Do some sort of conflict checking on the dirty stuff.
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
45 . perhaps detect write collisions (related to above)?
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
46
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
47 '''
524
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
48 def __init__(self, config, journaltag=None):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
49 '''Open a hyperdatabase given a specifier to some storage.
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
50
524
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
51 The 'storagelocator' is obtained from config.DATABASE.
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
52 The meaning of 'storagelocator' depends on the particular
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
53 implementation of the hyperdatabase. It could be a file name,
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
54 a directory path, a socket descriptor for a connection to a
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
55 database over the network, etc.
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
56
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
57 The 'journaltag' is a token that will be attached to the journal
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
58 entries for any edits done on the database. If 'journaltag' is
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
59 None, the database is opened in read-only mode: the Class.create(),
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
60 Class.set(), Class.retire(), and Class.restore() methods are
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
61 disabled.
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
62 '''
524
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
63 self.config, self.journaltag = config, journaltag
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
64 self.dir = config.DATABASE
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
65 self.classes = {}
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
66 self.cache = {} # cache of nodes loaded or created
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
67 self.dirtynodes = {} # keep track of the dirty nodes by class
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
68 self.newnodes = {} # keep track of the new nodes by class
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
69 self.destroyednodes = {}# keep track of the destroyed nodes by class
252
76c6994aa4e8 CGI interfaces now spit up a top-level index of all instances they can serve.
Richard Jones <richard@users.sourceforge.net>
parents: 224
diff changeset
70 self.transactions = []
818
254b8d112eec cleaned up the indexer code:
Richard Jones <richard@users.sourceforge.net>
parents: 787
diff changeset
71 self.indexer = Indexer(self.dir)
916
76b783c69976 Session storage in the hyperdb was horribly, horribly inefficient.
Richard Jones <richard@users.sourceforge.net>
parents: 905
diff changeset
72 self.sessions = Sessions(self.config)
1467
378081f066cc registration is now a two-step process with confirmation from the
Richard Jones <richard@users.sourceforge.net>
parents: 1442
diff changeset
73 self.otks = OneTimeKeys(self.config)
902
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
74 self.security = security.Security(self)
697
210e1ae39ab1 All database files are now created group readable and writable.
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 690
diff changeset
75 # ensure files are group readable and writable
210e1ae39ab1 All database files are now created group readable and writable.
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 690
diff changeset
76 os.umask(0002)
440
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
77
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1327
diff changeset
78 # lock it
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1327
diff changeset
79 lockfilenm = os.path.join(self.dir, 'lock')
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1327
diff changeset
80 self.lockfile = locking.acquire_lock(lockfilenm)
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1327
diff changeset
81 self.lockfile.write(str(os.getpid()))
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1327
diff changeset
82 self.lockfile.flush()
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1327
diff changeset
83
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
84 def post_init(self):
1176
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
85 ''' Called once the schema initialisation has finished.
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
86 '''
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
87 # reindex the db if necessary
826
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
88 if self.indexer.should_reindex():
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
89 self.reindex()
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
90
1176
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
91 # figure the "curuserid"
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
92 if self.journaltag is None:
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
93 self.curuserid = None
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
94 elif self.journaltag == 'admin':
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
95 # admin user may not exist, but always has ID 1
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
96 self.curuserid = '1'
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
97 else:
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
98 self.curuserid = self.user.lookup(self.journaltag)
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
99
826
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
100 def reindex(self):
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
101 for klass in self.classes.values():
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
102 for nodeid in klass.list():
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
103 klass.index(nodeid)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
104 self.indexer.save_index()
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
105
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
106 def __repr__(self):
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
107 return '<back_anydbm instance at %x>'%id(self)
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
108
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
109 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
110 # Classes
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
111 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
112 def __getattr__(self, classname):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
113 '''A convenient way of calling self.getclass(classname).'''
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
114 if self.classes.has_key(classname):
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
115 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
116 print >>hyperdb.DEBUG, '__getattr__', (self, classname)
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
117 return self.classes[classname]
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
118 raise AttributeError, classname
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
119
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
120 def addclass(self, cl):
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
121 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
122 print >>hyperdb.DEBUG, 'addclass', (self, cl)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
123 cn = cl.classname
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
124 if self.classes.has_key(cn):
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
125 raise ValueError, cn
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
126 self.classes[cn] = cl
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
127
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
128 def getclasses(self):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
129 '''Return a list of the names of all existing classes.'''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
130 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
131 print >>hyperdb.DEBUG, 'getclasses', (self,)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
132 l = self.classes.keys()
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
133 l.sort()
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
134 return l
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
135
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
136 def getclass(self, classname):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
137 '''Get the Class object representing a particular class.
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
138
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
139 If 'classname' is not a valid class name, a KeyError is raised.
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
140 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
141 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
142 print >>hyperdb.DEBUG, 'getclass', (self, classname)
1145
81941abedb0a nicer error message for invalid class lookup
Richard Jones <richard@users.sourceforge.net>
parents: 1143
diff changeset
143 try:
81941abedb0a nicer error message for invalid class lookup
Richard Jones <richard@users.sourceforge.net>
parents: 1143
diff changeset
144 return self.classes[classname]
81941abedb0a nicer error message for invalid class lookup
Richard Jones <richard@users.sourceforge.net>
parents: 1143
diff changeset
145 except KeyError:
81941abedb0a nicer error message for invalid class lookup
Richard Jones <richard@users.sourceforge.net>
parents: 1143
diff changeset
146 raise KeyError, 'There is no class called "%s"'%classname
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
147
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
148 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
149 # Class DBs
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
150 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
151 def clear(self):
443
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
152 '''Delete all database contents
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
153 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
154 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
155 print >>hyperdb.DEBUG, 'clear', (self,)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
156 for cn in self.classes.keys():
650
9b2575610953 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 646
diff changeset
157 for dummy in 'nodes', 'journals':
443
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
158 path = os.path.join(self.dir, 'journals.%s'%cn)
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
159 if os.path.exists(path):
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
160 os.remove(path)
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
161 elif os.path.exists(path+'.db'): # dbm appends .db
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
162 os.remove(path+'.db')
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
163
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
164 def getclassdb(self, classname, mode='r'):
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
165 ''' grab a connection to the class db that will be used for
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
166 multiple actions
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
167 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
168 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
169 print >>hyperdb.DEBUG, 'getclassdb', (self, classname, mode)
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
170 return self.opendb('nodes.%s'%classname, mode)
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
171
862
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
172 def determine_db_type(self, path):
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
173 ''' determine which DB wrote the class file
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
174 '''
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
175 db_type = ''
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
176 if os.path.exists(path):
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
177 db_type = whichdb.whichdb(path)
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
178 if not db_type:
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
179 raise DatabaseError, "Couldn't identify database type"
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
180 elif os.path.exists(path+'.db'):
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
181 # if the path ends in '.db', it's a dbm database, whether
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
182 # anydbm says it's dbhash or not!
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
183 db_type = 'dbm'
862
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
184 return db_type
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
185
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
186 def opendb(self, name, mode):
862
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
187 '''Low-level database opener that gets around anydbm/dbm
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
188 eccentricities.
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
189 '''
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
190 if __debug__:
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
191 print >>hyperdb.DEBUG, 'opendb', (self, name, mode)
862
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
192
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
193 # figure the class db type
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
194 path = os.path.join(os.getcwd(), self.dir, name)
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
195 db_type = self.determine_db_type(path)
443
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
196
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
197 # new database? let anydbm pick the best dbm
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
198 if not db_type:
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
199 if __debug__:
1028
16498e77e3ff allow overiding of the index args roundup/cgi/templating.py
Richard Jones <richard@users.sourceforge.net>
parents: 1022
diff changeset
200 print >>hyperdb.DEBUG, "opendb anydbm.open(%r, 'c')"%path
16498e77e3ff allow overiding of the index args roundup/cgi/templating.py
Richard Jones <richard@users.sourceforge.net>
parents: 1022
diff changeset
201 return anydbm.open(path, 'c')
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
202
443
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
203 # open the database with the correct module
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
204 try:
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
205 dbm = __import__(db_type)
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
206 except ImportError:
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
207 raise DatabaseError, \
443
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
208 "Couldn't open database - the required module '%s'"\
818
254b8d112eec cleaned up the indexer code:
Richard Jones <richard@users.sourceforge.net>
parents: 787
diff changeset
209 " is not available"%db_type
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
210 if __debug__:
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
211 print >>hyperdb.DEBUG, "opendb %r.open(%r, %r)"%(db_type, path,
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
212 mode)
443
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
213 return dbm.open(path, mode)
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
214
690
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
215 #
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
216 # Node IDs
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
217 #
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
218 def newid(self, classname):
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
219 ''' Generate a new id for the given class
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
220 '''
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
221 # open the ids DB - create if if doesn't exist
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
222 db = self.opendb('_ids', 'c')
690
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
223 if db.has_key(classname):
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
224 newid = db[classname] = str(int(db[classname]) + 1)
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
225 else:
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
226 # the count() bit is transitional - older dbs won't start at 1
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
227 newid = str(self.getclass(classname).count()+1)
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
228 db[classname] = newid
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
229 db.close()
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
230 return newid
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
231
952
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
232 def setid(self, classname, setid):
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
233 ''' Set the id counter: used during import of database
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
234 '''
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
235 # open the ids DB - create if if doesn't exist
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
236 db = self.opendb('_ids', 'c')
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
237 db[classname] = str(setid)
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
238 db.close()
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
239
48
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
240 #
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
241 # Nodes
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
242 #
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
243 def addnode(self, classname, nodeid, node):
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
244 ''' add the specified node to its class's db
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
245 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
246 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
247 print >>hyperdb.DEBUG, 'addnode', (self, classname, nodeid, node)
1174
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
248
1176
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
249 # we'll be supplied these props if we're doing an import
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
250 if not node.has_key('creator'):
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
251 # add in the "calculated" properties (dupe so we don't affect
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
252 # calling code's node assumptions)
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
253 node = node.copy()
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
254 node['creator'] = self.curuserid
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
255 node['creation'] = node['activity'] = date.Date()
1174
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
256
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
257 self.newnodes.setdefault(classname, {})[nodeid] = 1
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
258 self.cache.setdefault(classname, {})[nodeid] = node
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
259 self.savenode(classname, nodeid, node)
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
260
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
261 def setnode(self, classname, nodeid, node):
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
262 ''' change the specified node
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
263 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
264 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
265 print >>hyperdb.DEBUG, 'setnode', (self, classname, nodeid, node)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
266 self.dirtynodes.setdefault(classname, {})[nodeid] = 1
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
267
1174
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
268 # update the activity time (dupe so we don't affect
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
269 # calling code's node assumptions)
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
270 node = node.copy()
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
271 node['activity'] = date.Date()
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
272
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
273 # can't set without having already loaded the node
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
274 self.cache[classname][nodeid] = node
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
275 self.savenode(classname, nodeid, node)
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
276
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
277 def savenode(self, classname, nodeid, node):
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
278 ''' perform the saving of data specified by the set/addnode
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
279 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
280 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
281 print >>hyperdb.DEBUG, 'savenode', (self, classname, nodeid, node)
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
282 self.transactions.append((self.doSaveNode, (classname, nodeid, node)))
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
283
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
284 def getnode(self, classname, nodeid, db=None, cache=1):
460
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
285 ''' get a node from the database
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
286 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
287 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
288 print >>hyperdb.DEBUG, 'getnode', (self, classname, nodeid, db)
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
289 if cache:
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
290 # try the cache
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
291 cache_dict = self.cache.setdefault(classname, {})
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
292 if cache_dict.has_key(nodeid):
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
293 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
294 print >>hyperdb.TRACE, 'get %s %s cached'%(classname,
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
295 nodeid)
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
296 return cache_dict[nodeid]
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
297
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
298 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
299 print >>hyperdb.TRACE, 'get %s %s'%(classname, nodeid)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
300
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
301 # get from the database and save in the cache
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
302 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
303 db = self.getclassdb(classname)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
304 if not db.has_key(nodeid):
1424
6709b759b16a anydbm should return brand new items, even if cache is turned off
Richard Jones <richard@users.sourceforge.net>
parents: 1417
diff changeset
305 # try the cache - might be a brand-new node
6709b759b16a anydbm should return brand new items, even if cache is turned off
Richard Jones <richard@users.sourceforge.net>
parents: 1417
diff changeset
306 cache_dict = self.cache.setdefault(classname, {})
6709b759b16a anydbm should return brand new items, even if cache is turned off
Richard Jones <richard@users.sourceforge.net>
parents: 1417
diff changeset
307 if cache_dict.has_key(nodeid):
6709b759b16a anydbm should return brand new items, even if cache is turned off
Richard Jones <richard@users.sourceforge.net>
parents: 1417
diff changeset
308 if __debug__:
6709b759b16a anydbm should return brand new items, even if cache is turned off
Richard Jones <richard@users.sourceforge.net>
parents: 1417
diff changeset
309 print >>hyperdb.TRACE, 'get %s %s cached'%(classname,
6709b759b16a anydbm should return brand new items, even if cache is turned off
Richard Jones <richard@users.sourceforge.net>
parents: 1417
diff changeset
310 nodeid)
6709b759b16a anydbm should return brand new items, even if cache is turned off
Richard Jones <richard@users.sourceforge.net>
parents: 1417
diff changeset
311 return cache_dict[nodeid]
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
312 raise IndexError, "no such %s %s"%(classname, nodeid)
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
313
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
314 # check the uncommitted, destroyed nodes
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
315 if (self.destroyednodes.has_key(classname) and
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
316 self.destroyednodes[classname].has_key(nodeid)):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
317 raise IndexError, "no such %s %s"%(classname, nodeid)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
318
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
319 # decode
48
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
320 res = marshal.loads(db[nodeid])
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
321
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
322 # reverse the serialisation
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
323 res = self.unserialise(classname, res)
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
324
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
325 # store off in the cache dict
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
326 if cache:
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
327 cache_dict[nodeid] = res
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
328
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
329 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
330
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
331 def destroynode(self, classname, nodeid):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
332 '''Remove a node from the database. Called exclusively by the
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
333 destroy() method on Class.
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
334 '''
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
335 if __debug__:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
336 print >>hyperdb.DEBUG, 'destroynode', (self, classname, nodeid)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
337
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
338 # remove from cache and newnodes if it's there
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
339 if (self.cache.has_key(classname) and
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
340 self.cache[classname].has_key(nodeid)):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
341 del self.cache[classname][nodeid]
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
342 if (self.newnodes.has_key(classname) and
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
343 self.newnodes[classname].has_key(nodeid)):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
344 del self.newnodes[classname][nodeid]
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
345
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
346 # see if there's any obvious commit actions that we should get rid of
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
347 for entry in self.transactions[:]:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
348 if entry[1][:2] == (classname, nodeid):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
349 self.transactions.remove(entry)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
350
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
351 # add to the destroyednodes map
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
352 self.destroyednodes.setdefault(classname, {})[nodeid] = 1
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
353
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
354 # add the destroy commit action
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
355 self.transactions.append((self.doDestroyNode, (classname, nodeid)))
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
356
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
357 def serialise(self, classname, node):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
358 '''Copy the node contents, converting non-marshallable data into
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
359 marshallable data.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
360 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
361 if __debug__:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
362 print >>hyperdb.DEBUG, 'serialise', classname, node
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
363 properties = self.getclass(classname).getprops()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
364 d = {}
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
365 for k, v in node.items():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
366 # if the property doesn't exist, or is the "retired" flag then
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
367 # it won't be in the properties dict
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
368 if not properties.has_key(k):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
369 d[k] = v
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
370 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
371
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
372 # get the property spec
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
373 prop = properties[k]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
374
1252
209a47ede743 allow blank passwords again [SF#619714]
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
375 if isinstance(prop, Password) and v is not None:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
376 d[k] = str(v)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
377 elif isinstance(prop, Date) and v is not None:
964
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 952
diff changeset
378 d[k] = v.serialise()
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
379 elif isinstance(prop, Interval) and v is not None:
964
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 952
diff changeset
380 d[k] = v.serialise()
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
381 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
382 d[k] = v
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
383 return d
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
384
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
385 def unserialise(self, classname, node):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
386 '''Decode the marshalled node data
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
387 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
388 if __debug__:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
389 print >>hyperdb.DEBUG, 'unserialise', classname, node
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
390 properties = self.getclass(classname).getprops()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
391 d = {}
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
392 for k, v in node.items():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
393 # if the property doesn't exist, or is the "retired" flag then
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
394 # it won't be in the properties dict
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
395 if not properties.has_key(k):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
396 d[k] = v
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
397 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
398
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
399 # get the property spec
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
400 prop = properties[k]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
401
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
402 if isinstance(prop, Date) and v is not None:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
403 d[k] = date.Date(v)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
404 elif isinstance(prop, Interval) and v is not None:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
405 d[k] = date.Interval(v)
1252
209a47ede743 allow blank passwords again [SF#619714]
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
406 elif isinstance(prop, Password) and v is not None:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
407 p = password.Password()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
408 p.unpack(v)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
409 d[k] = p
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
410 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
411 d[k] = v
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
412 return d
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
413
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
414 def hasnode(self, classname, nodeid, db=None):
460
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
415 ''' determine if the database has a given node
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
416 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
417 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
418 print >>hyperdb.DEBUG, 'hasnode', (self, classname, nodeid, db)
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
419
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
420 # try the cache
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
421 cache = self.cache.setdefault(classname, {})
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
422 if cache.has_key(nodeid):
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
423 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
424 print >>hyperdb.TRACE, 'has %s %s cached'%(classname, nodeid)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
425 return 1
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
426 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
427 print >>hyperdb.TRACE, 'has %s %s'%(classname, nodeid)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
428
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
429 # not in the cache - check the database
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
430 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
431 db = self.getclassdb(classname)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
432 res = db.has_key(nodeid)
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
433 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
434
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
435 def countnodes(self, classname, db=None):
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
436 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
437 print >>hyperdb.DEBUG, 'countnodes', (self, classname, db)
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
438
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
439 count = 0
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
440
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
441 # include the uncommitted nodes
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
442 if self.newnodes.has_key(classname):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
443 count += len(self.newnodes[classname])
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
444 if self.destroyednodes.has_key(classname):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
445 count -= len(self.destroyednodes[classname])
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
446
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
447 # and count those in the DB
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
448 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
449 db = self.getclassdb(classname)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
450 count = count + len(db.keys())
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
451 return count
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
452
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
453
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
454 #
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
455 # Files - special node properties
646
07abfe8f0c01 use blobfiles in back_anydbm which is used in back_bsddb.
Engelbert Gruber <grubert@users.sourceforge.net>
parents: 624
diff changeset
456 # inherited from FileStorage
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
457
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
458 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
459 # Journal
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
460 #
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
461 def addjournal(self, classname, nodeid, action, params, creator=None,
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
462 creation=None):
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
463 ''' Journal the Action
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
464 'action' may be:
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
465
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
466 'create' or 'set' -- 'params' is a dictionary of property values
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
467 'link' or 'unlink' -- 'params' is (classname, nodeid, propname)
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
468 'retire' -- 'params' is None
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
469 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
470 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
471 print >>hyperdb.DEBUG, 'addjournal', (self, classname, nodeid,
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
472 action, params, creator, creation)
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
473 self.transactions.append((self.doSaveJournal, (classname, nodeid,
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
474 action, params, creator, creation)))
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
475
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
476 def getjournal(self, classname, nodeid):
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
477 ''' get the journal for id
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
478
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
479 Raise IndexError if the node doesn't exist (as per history()'s
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
480 API)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
481 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
482 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
483 print >>hyperdb.DEBUG, 'getjournal', (self, classname, nodeid)
48
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
484 # attempt to open the journal - in some rare cases, the journal may
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
485 # not exist
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
486 try:
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
487 db = self.opendb('journals.%s'%classname, 'r')
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
488 except anydbm.error, error:
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
489 if str(error) == "need 'c' or 'n' flag to open new db":
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
490 raise IndexError, 'no such %s %s'%(classname, nodeid)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
491 elif error.args[0] != 2:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
492 raise
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
493 raise IndexError, 'no such %s %s'%(classname, nodeid)
787
b6b0a92e0738 More informative error message
Richard Jones <richard@users.sourceforge.net>
parents: 778
diff changeset
494 try:
b6b0a92e0738 More informative error message
Richard Jones <richard@users.sourceforge.net>
parents: 778
diff changeset
495 journal = marshal.loads(db[nodeid])
b6b0a92e0738 More informative error message
Richard Jones <richard@users.sourceforge.net>
parents: 778
diff changeset
496 except KeyError:
843
01f9d02faea1 ...except of course it's nice to use valid Python syntax
Richard Jones <richard@users.sourceforge.net>
parents: 842
diff changeset
497 db.close()
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
498 raise IndexError, 'no such %s %s'%(classname, nodeid)
843
01f9d02faea1 ...except of course it's nice to use valid Python syntax
Richard Jones <richard@users.sourceforge.net>
parents: 842
diff changeset
499 db.close()
48
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
500 res = []
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
501 for nodeid, date_stamp, user, action, params in journal:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
502 res.append((nodeid, date.Date(date_stamp), user, action, params))
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
503 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
504
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
505 def pack(self, pack_before):
990
d374545c8eb0 minor edits
Richard Jones <richard@users.sourceforge.net>
parents: 969
diff changeset
506 ''' Delete all journal entries except "create" before 'pack_before'.
d374545c8eb0 minor edits
Richard Jones <richard@users.sourceforge.net>
parents: 969
diff changeset
507 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
508 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
509 print >>hyperdb.DEBUG, 'packjournal', (self, pack_before)
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
510
1222
bc3bc3248dd1 added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
511 pack_before = pack_before.serialise()
990
d374545c8eb0 minor edits
Richard Jones <richard@users.sourceforge.net>
parents: 969
diff changeset
512 for classname in self.getclasses():
d374545c8eb0 minor edits
Richard Jones <richard@users.sourceforge.net>
parents: 969
diff changeset
513 # get the journal db
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
514 db_name = 'journals.%s'%classname
862
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
515 path = os.path.join(os.getcwd(), self.dir, classname)
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
516 db_type = self.determine_db_type(path)
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
517 db = self.opendb(db_name, 'w')
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
518
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
519 for key in db.keys():
990
d374545c8eb0 minor edits
Richard Jones <richard@users.sourceforge.net>
parents: 969
diff changeset
520 # get the journal for this db entry
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
521 journal = marshal.loads(db[key])
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
522 l = []
567
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
523 last_set_entry = None
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
524 for entry in journal:
990
d374545c8eb0 minor edits
Richard Jones <richard@users.sourceforge.net>
parents: 969
diff changeset
525 # unpack the entry
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
526 (nodeid, date_stamp, self.journaltag, action,
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
527 params) = entry
990
d374545c8eb0 minor edits
Richard Jones <richard@users.sourceforge.net>
parents: 969
diff changeset
528 # if the entry is after the pack date, _or_ the initial
d374545c8eb0 minor edits
Richard Jones <richard@users.sourceforge.net>
parents: 969
diff changeset
529 # create entry, then it stays
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
530 if date_stamp > pack_before or action == 'create':
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
531 l.append(entry)
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
532 db[key] = marshal.dumps(l)
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
533 if db_type == 'gdbm':
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
534 db.reorganize()
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
535 db.close()
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
536
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
537
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
538 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
539 # Basic transaction support
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
540 #
252
76c6994aa4e8 CGI interfaces now spit up a top-level index of all instances they can serve.
Richard Jones <richard@users.sourceforge.net>
parents: 224
diff changeset
541 def commit(self):
76c6994aa4e8 CGI interfaces now spit up a top-level index of all instances they can serve.
Richard Jones <richard@users.sourceforge.net>
parents: 224
diff changeset
542 ''' Commit the current transactions.
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
543 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
544 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
545 print >>hyperdb.DEBUG, 'commit', (self,)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
546
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
547 # keep a handle to all the database files opened
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
548 self.databases = {}
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
549
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
550 # now, do all the transactions
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
551 reindex = {}
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
552 for method, args in self.transactions:
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
553 reindex[method(*args)] = 1
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
554
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
555 # now close all the database files
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
556 for db in self.databases.values():
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
557 db.close()
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
558 del self.databases
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
559
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
560 # reindex the nodes that request it
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
561 for classname, nodeid in filter(None, reindex.keys()):
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
562 print >>hyperdb.DEBUG, 'commit.reindex', (classname, nodeid)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
563 self.getclass(classname).index(nodeid)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
564
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
565 # save the indexer state
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
566 self.indexer.save_index()
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
567
1181
49aebf5a8691 some speedups, some fixes to the benchmarking
Richard Jones <richard@users.sourceforge.net>
parents: 1176
diff changeset
568 self.clearCache()
49aebf5a8691 some speedups, some fixes to the benchmarking
Richard Jones <richard@users.sourceforge.net>
parents: 1176
diff changeset
569
49aebf5a8691 some speedups, some fixes to the benchmarking
Richard Jones <richard@users.sourceforge.net>
parents: 1176
diff changeset
570 def clearCache(self):
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
571 # all transactions committed, back to normal
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
572 self.cache = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
573 self.dirtynodes = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
574 self.newnodes = {}
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
575 self.destroyednodes = {}
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
576 self.transactions = []
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
577
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
578 def getCachedClassDB(self, classname):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
579 ''' get the class db, looking in our cache of databases for commit
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
580 '''
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
581 # get the database handle
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
582 db_name = 'nodes.%s'%classname
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
583 if not self.databases.has_key(db_name):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
584 self.databases[db_name] = self.getclassdb(classname, 'c')
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
585 return self.databases[db_name]
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
586
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
587 def doSaveNode(self, classname, nodeid, node):
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
588 if __debug__:
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
589 print >>hyperdb.DEBUG, 'doSaveNode', (self, classname, nodeid,
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
590 node)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
591
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
592 db = self.getCachedClassDB(classname)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
593
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
594 # now save the marshalled data
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
595 db[nodeid] = marshal.dumps(self.serialise(classname, node))
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
596
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
597 # return the classname, nodeid so we reindex this content
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
598 return (classname, nodeid)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
599
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
600 def getCachedJournalDB(self, classname):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
601 ''' get the journal db, looking in our cache of databases for commit
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
602 '''
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
603 # get the database handle
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
604 db_name = 'journals.%s'%classname
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
605 if not self.databases.has_key(db_name):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
606 self.databases[db_name] = self.opendb(db_name, 'c')
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
607 return self.databases[db_name]
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
608
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
609 def doSaveJournal(self, classname, nodeid, action, params, creator,
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
610 creation):
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
611 # serialise the parameters now if necessary
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
612 if isinstance(params, type({})):
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
613 if action in ('set', 'create'):
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
614 params = self.serialise(classname, params)
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
615
952
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
616 # handle supply of the special journalling parameters (usually
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
617 # supplied on importing an existing database)
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
618 if creator:
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
619 journaltag = creator
952
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
620 else:
1176
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
621 journaltag = self.curuserid
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
622 if creation:
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
623 journaldate = creation.serialise()
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
624 else:
964
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 952
diff changeset
625 journaldate = date.Date().serialise()
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
626
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
627 # create the journal entry
952
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
628 entry = (nodeid, journaldate, journaltag, action, params)
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
629
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
630 if __debug__:
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
631 print >>hyperdb.DEBUG, 'doSaveJournal', entry
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
632
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
633 db = self.getCachedJournalDB(classname)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
634
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
635 # now insert the journal entry
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
636 if db.has_key(nodeid):
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
637 # append to existing
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
638 s = db[nodeid]
650
9b2575610953 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 646
diff changeset
639 l = marshal.loads(s)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
640 l.append(entry)
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
641 else:
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
642 l = [entry]
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
643
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
644 db[nodeid] = marshal.dumps(l)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
645
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
646 def doDestroyNode(self, classname, nodeid):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
647 if __debug__:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
648 print >>hyperdb.DEBUG, 'doDestroyNode', (self, classname, nodeid)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
649
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
650 # delete from the class database
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
651 db = self.getCachedClassDB(classname)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
652 if db.has_key(nodeid):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
653 del db[nodeid]
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
654
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
655 # delete from the database
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
656 db = self.getCachedJournalDB(classname)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
657 if db.has_key(nodeid):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
658 del db[nodeid]
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
659
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
660 # return the classname, nodeid so we reindex this content
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
661 return (classname, nodeid)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
662
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
663 def rollback(self):
252
76c6994aa4e8 CGI interfaces now spit up a top-level index of all instances they can serve.
Richard Jones <richard@users.sourceforge.net>
parents: 224
diff changeset
664 ''' Reverse all actions from the current transaction.
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
665 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
666 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
667 print >>hyperdb.DEBUG, 'rollback', (self, )
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
668 for method, args in self.transactions:
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
669 # delete temporary files
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
670 if method == self.doStoreFile:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
671 self.rollbackStoreFile(*args)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
672 self.cache = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
673 self.dirtynodes = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
674 self.newnodes = {}
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
675 self.destroyednodes = {}
252
76c6994aa4e8 CGI interfaces now spit up a top-level index of all instances they can serve.
Richard Jones <richard@users.sourceforge.net>
parents: 224
diff changeset
676 self.transactions = []
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
677
1131
92e92ae58494 add close() methods where they are missing!
Richard Jones <richard@users.sourceforge.net>
parents: 1127
diff changeset
678 def close(self):
92e92ae58494 add close() methods where they are missing!
Richard Jones <richard@users.sourceforge.net>
parents: 1127
diff changeset
679 ''' Nothing to do
92e92ae58494 add close() methods where they are missing!
Richard Jones <richard@users.sourceforge.net>
parents: 1127
diff changeset
680 '''
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1327
diff changeset
681 if self.lockfile is not None:
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1327
diff changeset
682 locking.release_lock(self.lockfile)
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1327
diff changeset
683 if self.lockfile is not None:
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1327
diff changeset
684 self.lockfile.close()
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1327
diff changeset
685 self.lockfile = None
1131
92e92ae58494 add close() methods where they are missing!
Richard Jones <richard@users.sourceforge.net>
parents: 1127
diff changeset
686
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
687 _marker = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
688 class Class(hyperdb.Class):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
689 '''The handle to a particular class of nodes in a hyperdatabase.'''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
690
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
691 def __init__(self, db, classname, **properties):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
692 '''Create a new class with a given name and property specification.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
693
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
694 'classname' must not collide with the name of an existing class,
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
695 or a ValueError is raised. The keyword arguments in 'properties'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
696 must map names to property objects, or a TypeError is raised.
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
697 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
698 if (properties.has_key('creation') or properties.has_key('activity')
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
699 or properties.has_key('creator')):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
700 raise ValueError, '"creation", "activity" and "creator" are '\
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
701 'reserved'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
702
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
703 self.classname = classname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
704 self.properties = properties
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
705 self.db = weakref.proxy(db) # use a weak ref to avoid circularity
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
706 self.key = ''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
707
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
708 # should we journal changes (default yes)
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
709 self.do_journal = 1
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
710
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
711 # do the db-related init stuff
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
712 db.addclass(self)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
713
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
714 self.auditors = {'create': [], 'set': [], 'retire': [], 'restore': []}
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
715 self.reactors = {'create': [], 'set': [], 'retire': [], 'restore': []}
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
716
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
717 def enableJournalling(self):
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
718 '''Turn journalling on for this class
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
719 '''
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
720 self.do_journal = 1
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
721
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
722 def disableJournalling(self):
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
723 '''Turn journalling off for this class
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
724 '''
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
725 self.do_journal = 0
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
726
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
727 # Editing nodes:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
728
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
729 def create(self, **propvalues):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
730 '''Create a new node of this class and return its id.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
731
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
732 The keyword arguments in 'propvalues' map property names to values.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
733
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
734 The values of arguments must be acceptable for the types of their
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
735 corresponding properties or a TypeError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
736
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
737 If this class has a key property, it must be present and its value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
738 must not collide with other key strings or a ValueError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
739
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
740 Any other properties on this class that are missing from the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
741 'propvalues' dictionary are set to None.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
742
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
743 If an id in a link or multilink property does not refer to a valid
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
744 node, an IndexError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
745
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
746 These operations trigger detectors and can be vetoed. Attempts
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
747 to modify the "creation" or "activity" properties cause a KeyError.
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
748 '''
1431
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
749 self.fireAuditors('create', None, propvalues)
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
750 newid = self.create_inner(**propvalues)
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
751 self.fireReactors('create', newid, None)
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
752 return newid
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
753
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
754 def create_inner(self, **propvalues):
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
755 ''' Called by create, in-between the audit and react calls.
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
756 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
757 if propvalues.has_key('id'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
758 raise KeyError, '"id" is reserved'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
759
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
760 if self.db.journaltag is None:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
761 raise DatabaseError, 'Database open read-only'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
762
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
763 if propvalues.has_key('creation') or propvalues.has_key('activity'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
764 raise KeyError, '"creation" and "activity" are reserved'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
765 # new node's id
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
766 newid = self.db.newid(self.classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
767
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
768 # validate propvalues
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
769 num_re = re.compile('^\d+$')
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
770 for key, value in propvalues.items():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
771 if key == self.key:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
772 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
773 self.lookup(value)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
774 except KeyError:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
775 pass
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
776 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
777 raise ValueError, 'node with key "%s" exists'%value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
778
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
779 # try to handle this property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
780 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
781 prop = self.properties[key]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
782 except KeyError:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
783 raise KeyError, '"%s" has no property "%s"'%(self.classname,
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
784 key)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
785
950
cb821cc1c00b handle "unset" initial Link values (!)
Richard Jones <richard@users.sourceforge.net>
parents: 940
diff changeset
786 if value is not None and isinstance(prop, Link):
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
787 if type(value) != type(''):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
788 raise ValueError, 'link value must be String'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
789 link_class = self.properties[key].classname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
790 # if it isn't a number, it's a key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
791 if not num_re.match(value):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
792 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
793 value = self.db.classes[link_class].lookup(value)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
794 except (TypeError, KeyError):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
795 raise IndexError, 'new property "%s": %s not a %s'%(
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
796 key, value, link_class)
902
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
797 elif not self.db.getclass(link_class).hasnode(value):
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
798 raise IndexError, '%s has no node %s'%(link_class, value)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
799
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
800 # save off the value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
801 propvalues[key] = value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
802
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
803 # register the link with the newly linked node
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
804 if self.do_journal and self.properties[key].do_journal:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
805 self.db.addjournal(link_class, value, 'link',
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
806 (self.classname, newid, key))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
807
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
808 elif isinstance(prop, Multilink):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
809 if type(value) != type([]):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
810 raise TypeError, 'new property "%s" not a list of ids'%key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
811
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
812 # clean up and validate the list of links
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
813 link_class = self.properties[key].classname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
814 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
815 for entry in value:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
816 if type(entry) != type(''):
1049
Richard Jones <richard@users.sourceforge.net>
parents: 1045
diff changeset
817 raise ValueError, '"%s" multilink value (%r) '\
1045
0564eb2f4bda better error message
Richard Jones <richard@users.sourceforge.net>
parents: 1038
diff changeset
818 'must contain Strings'%(key, value)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
819 # if it isn't a number, it's a key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
820 if not num_re.match(entry):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
821 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
822 entry = self.db.classes[link_class].lookup(entry)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
823 except (TypeError, KeyError):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
824 raise IndexError, 'new property "%s": %s not a %s'%(
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
825 key, entry, self.properties[key].classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
826 l.append(entry)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
827 value = l
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
828 propvalues[key] = value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
829
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
830 # handle additions
902
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
831 for nodeid in value:
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
832 if not self.db.getclass(link_class).hasnode(nodeid):
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
833 raise IndexError, '%s has no node %s'%(link_class,
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
834 nodeid)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
835 # register the link with the newly linked node
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
836 if self.do_journal and self.properties[key].do_journal:
902
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
837 self.db.addjournal(link_class, nodeid, 'link',
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
838 (self.classname, newid, key))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
839
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
840 elif isinstance(prop, String):
1383
f19dde90e473 applied unicode patch
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1351
diff changeset
841 if type(value) != type('') and type(value) != type(u''):
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
842 raise TypeError, 'new property "%s" not a string'%key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
843
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
844 elif isinstance(prop, Password):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
845 if not isinstance(value, password.Password):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
846 raise TypeError, 'new property "%s" not a Password'%key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
847
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
848 elif isinstance(prop, Date):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
849 if value is not None and not isinstance(value, date.Date):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
850 raise TypeError, 'new property "%s" not a Date'%key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
851
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
852 elif isinstance(prop, Interval):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
853 if value is not None and not isinstance(value, date.Interval):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
854 raise TypeError, 'new property "%s" not an Interval'%key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
855
887
e7169d6e6e45 added tests for number type too
Richard Jones <richard@users.sourceforge.net>
parents: 886
diff changeset
856 elif value is not None and isinstance(prop, Number):
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
857 try:
890
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
858 float(value)
887
e7169d6e6e45 added tests for number type too
Richard Jones <richard@users.sourceforge.net>
parents: 886
diff changeset
859 except ValueError:
890
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
860 raise TypeError, 'new property "%s" not numeric'%key
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
861
887
e7169d6e6e45 added tests for number type too
Richard Jones <richard@users.sourceforge.net>
parents: 886
diff changeset
862 elif value is not None and isinstance(prop, Boolean):
890
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
863 try:
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
864 int(value)
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
865 except ValueError:
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
866 raise TypeError, 'new property "%s" not boolean'%key
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
867
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
868 # make sure there's data where there needs to be
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
869 for key, prop in self.properties.items():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
870 if propvalues.has_key(key):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
871 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
872 if key == self.key:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
873 raise ValueError, 'key property "%s" is required'%key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
874 if isinstance(prop, Multilink):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
875 propvalues[key] = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
876 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
877 propvalues[key] = None
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
878
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
879 # done
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
880 self.db.addnode(self.classname, newid, propvalues)
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
881 if self.do_journal:
1304
61ad556cfc8d working toward 0.5.2 release
Richard Jones <richard@users.sourceforge.net>
parents: 1303
diff changeset
882 self.db.addjournal(self.classname, newid, 'create', {})
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
883
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
884 return newid
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
885
952
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
886 def export_list(self, propnames, nodeid):
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
887 ''' Export a node - generate a list of CSV-able data in the order
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
888 specified by propnames for the given node.
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
889 '''
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
890 properties = self.getprops()
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
891 l = []
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
892 for prop in propnames:
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
893 proptype = properties[prop]
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
894 value = self.get(nodeid, prop)
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
895 # "marshal" data where needed
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
896 if value is None:
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
897 pass
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
898 elif isinstance(proptype, hyperdb.Date):
952
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
899 value = value.get_tuple()
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
900 elif isinstance(proptype, hyperdb.Interval):
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
901 value = value.get_tuple()
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
902 elif isinstance(proptype, hyperdb.Password):
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
903 value = str(value)
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
904 l.append(repr(value))
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
905
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
906 # append retired flag
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
907 l.append(self.is_retired(nodeid))
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
908
952
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
909 return l
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
910
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
911 def import_list(self, propnames, proplist):
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
912 ''' Import a node - all information including "id" is present and
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
913 should not be sanity checked. Triggers are not triggered. The
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
914 journal should be initialised using the "creator" and "created"
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
915 information.
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
916
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
917 Return the nodeid of the node imported.
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
918 '''
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
919 if self.db.journaltag is None:
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
920 raise DatabaseError, 'Database open read-only'
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
921 properties = self.getprops()
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
922
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
923 # make the new node's property map
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
924 d = {}
1496
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1486
diff changeset
925 newid = None
952
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
926 for i in range(len(propnames)):
1496
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1486
diff changeset
927 # Figure the property for this column
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1486
diff changeset
928 propname = propnames[i]
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1486
diff changeset
929
952
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
930 # Use eval to reverse the repr() used to output the CSV
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
931 value = eval(proplist[i])
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
932
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
933 # "unmarshal" where necessary
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
934 if propname == 'id':
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
935 newid = value
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
936 continue
1496
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1486
diff changeset
937 elif propname == 'is retired':
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1486
diff changeset
938 # is the item retired?
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1486
diff changeset
939 if int(value):
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1486
diff changeset
940 d[self.db.RETIRED_FLAG] = 1
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1486
diff changeset
941 continue
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
942 elif value is None:
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
943 # don't set Nones
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
944 continue
1496
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1486
diff changeset
945
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1486
diff changeset
946 prop = properties[propname]
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1486
diff changeset
947 if isinstance(prop, hyperdb.Date):
952
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
948 value = date.Date(value)
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
949 elif isinstance(prop, hyperdb.Interval):
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
950 value = date.Interval(value)
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
951 elif isinstance(prop, hyperdb.Password):
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
952 pwd = password.Password()
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
953 pwd.unpack(value)
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
954 value = pwd
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
955 d[propname] = value
952
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
956
1496
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1486
diff changeset
957 # get a new id if necessary
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1486
diff changeset
958 if newid is None:
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1486
diff changeset
959 newid = self.db.newid(self.classname)
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
960
1176
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
961 # add the node and journal
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
962 self.db.addnode(self.classname, newid, d)
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
963
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
964 # extract the journalling stuff and nuke it
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
965 if d.has_key('creator'):
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
966 creator = d['creator']
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
967 del d['creator']
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
968 else:
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
969 creator = None
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
970 if d.has_key('creation'):
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
971 creation = d['creation']
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
972 del d['creation']
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
973 else:
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
974 creation = None
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
975 if d.has_key('activity'):
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
976 del d['activity']
1304
61ad556cfc8d working toward 0.5.2 release
Richard Jones <richard@users.sourceforge.net>
parents: 1303
diff changeset
977 self.db.addjournal(self.classname, newid, 'create', {}, creator,
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
978 creation)
952
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
979 return newid
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
980
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
981 def get(self, nodeid, propname, default=_marker, cache=1):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
982 '''Get the value of a property on an existing node of this class.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
983
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
984 'nodeid' must be the id of an existing node of this class or an
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
985 IndexError is raised. 'propname' must be the name of a property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
986 of this class or a KeyError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
987
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
988 'cache' indicates whether the transaction cache should be queried
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
989 for the node. If the node has been modified and you need to
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
990 determine what its values prior to modification are, you need to
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
991 set cache=0.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
992
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
993 Attempts to get the "creation" or "activity" properties should
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
994 do the right thing.
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
995 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
996 if propname == 'id':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
997 return nodeid
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
998
1174
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
999 # get the node's dict
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1000 d = self.db.getnode(self.classname, nodeid, cache=cache)
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1001
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1002 # check for one of the special props
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1003 if propname == 'creation':
1174
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1004 if d.has_key('creation'):
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1005 return d['creation']
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1006 if not self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1007 raise ValueError, 'Journalling is disabled for this class'
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1008 journal = self.db.getjournal(self.classname, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1009 if journal:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1010 return self.db.getjournal(self.classname, nodeid)[0][1]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1011 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1012 # on the strange chance that there's no journal
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1013 return date.Date()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1014 if propname == 'activity':
1174
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1015 if d.has_key('activity'):
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1016 return d['activity']
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1017 if not self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1018 raise ValueError, 'Journalling is disabled for this class'
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1019 journal = self.db.getjournal(self.classname, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1020 if journal:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1021 return self.db.getjournal(self.classname, nodeid)[-1][1]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1022 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1023 # on the strange chance that there's no journal
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1024 return date.Date()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1025 if propname == 'creator':
1174
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1026 if d.has_key('creator'):
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1027 return d['creator']
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1028 if not self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1029 raise ValueError, 'Journalling is disabled for this class'
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1030 journal = self.db.getjournal(self.classname, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1031 if journal:
1176
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
1032 num_re = re.compile('^\d+$')
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
1033 value = self.db.getjournal(self.classname, nodeid)[0][2]
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
1034 if num_re.match(value):
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
1035 return value
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
1036 else:
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
1037 # old-style "username" journal tag
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
1038 try:
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
1039 return self.db.user.lookup(value)
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
1040 except KeyError:
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
1041 # user's been retired, return admin
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
1042 return '1'
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1043 else:
1176
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
1044 return self.db.curuserid
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1045
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1046 # get the property (raises KeyErorr if invalid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1047 prop = self.properties[propname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1048
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1049 if not d.has_key(propname):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1050 if default is _marker:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1051 if isinstance(prop, Multilink):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1052 return []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1053 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1054 return None
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1055 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1056 return default
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1057
1014
8816534e6a1a Fixed nasty bug that was preventing changes to multilinks going through.
Richard Jones <richard@users.sourceforge.net>
parents: 1002
diff changeset
1058 # return a dupe of the list so code doesn't get confused
8816534e6a1a Fixed nasty bug that was preventing changes to multilinks going through.
Richard Jones <richard@users.sourceforge.net>
parents: 1002
diff changeset
1059 if isinstance(prop, Multilink):
8816534e6a1a Fixed nasty bug that was preventing changes to multilinks going through.
Richard Jones <richard@users.sourceforge.net>
parents: 1002
diff changeset
1060 return d[propname][:]
8816534e6a1a Fixed nasty bug that was preventing changes to multilinks going through.
Richard Jones <richard@users.sourceforge.net>
parents: 1002
diff changeset
1061
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1062 return d[propname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1063
1103
db787cef1385 handled some XXXs
Richard Jones <richard@users.sourceforge.net>
parents: 1099
diff changeset
1064 # not in spec
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1065 def getnode(self, nodeid, cache=1):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1066 ''' Return a convenience wrapper for the node.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1067
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1068 'nodeid' must be the id of an existing node of this class or an
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1069 IndexError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1070
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1071 'cache' indicates whether the transaction cache should be queried
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1072 for the node. If the node has been modified and you need to
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1073 determine what its values prior to modification are, you need to
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1074 set cache=0.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1075 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1076 return Node(self, nodeid, cache=cache)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1077
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1078 def set(self, nodeid, **propvalues):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1079 '''Modify a property on an existing node of this class.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1080
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1081 'nodeid' must be the id of an existing node of this class or an
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1082 IndexError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1083
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1084 Each key in 'propvalues' must be the name of a property of this
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1085 class or a KeyError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1086
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1087 All values in 'propvalues' must be acceptable types for their
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1088 corresponding properties or a TypeError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1089
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1090 If the value of the key property is set, it must not collide with
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1091 other key strings or a ValueError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1092
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1093 If the value of a Link or Multilink property contains an invalid
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1094 node id, a ValueError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1095
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1096 These operations trigger detectors and can be vetoed. Attempts
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1097 to modify the "creation" or "activity" properties cause a KeyError.
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1098 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1099 if not propvalues:
930
3c344e942055 Use same regex to split search terms as used to index text.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 927
diff changeset
1100 return propvalues
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1101
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1102 if propvalues.has_key('creation') or propvalues.has_key('activity'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1103 raise KeyError, '"creation" and "activity" are reserved'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1104
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1105 if propvalues.has_key('id'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1106 raise KeyError, '"id" is reserved'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1107
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1108 if self.db.journaltag is None:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1109 raise DatabaseError, 'Database open read-only'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1110
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1111 self.fireAuditors('set', nodeid, propvalues)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1112 # Take a copy of the node dict so that the subsequent set
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1113 # operation doesn't modify the oldvalues structure.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1114 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1115 # try not using the cache initially
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1116 oldvalues = copy.deepcopy(self.db.getnode(self.classname, nodeid,
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1117 cache=0))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1118 except IndexError:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1119 # this will be needed if somone does a create() and set()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1120 # with no intervening commit()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1121 oldvalues = copy.deepcopy(self.db.getnode(self.classname, nodeid))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1122
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1123 node = self.db.getnode(self.classname, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1124 if node.has_key(self.db.RETIRED_FLAG):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1125 raise IndexError
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1126 num_re = re.compile('^\d+$')
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1127
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1128 # if the journal value is to be different, store it in here
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1129 journalvalues = {}
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1130
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1131 for propname, value in propvalues.items():
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1132 # check to make sure we're not duplicating an existing key
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1133 if propname == self.key and node[propname] != value:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1134 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1135 self.lookup(value)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1136 except KeyError:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1137 pass
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1138 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1139 raise ValueError, 'node with key "%s" exists'%value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1140
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1141 # this will raise the KeyError if the property isn't valid
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1142 # ... we don't use getprops() here because we only care about
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1143 # the writeable properties.
1174
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1144 try:
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1145 prop = self.properties[propname]
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1146 except KeyError:
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1147 raise KeyError, '"%s" has no property named "%s"'%(
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1148 self.classname, propname)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1149
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1150 # if the value's the same as the existing value, no sense in
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1151 # doing anything
1304
61ad556cfc8d working toward 0.5.2 release
Richard Jones <richard@users.sourceforge.net>
parents: 1303
diff changeset
1152 current = node.get(propname, None)
61ad556cfc8d working toward 0.5.2 release
Richard Jones <richard@users.sourceforge.net>
parents: 1303
diff changeset
1153 if value == current:
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1154 del propvalues[propname]
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1155 continue
1304
61ad556cfc8d working toward 0.5.2 release
Richard Jones <richard@users.sourceforge.net>
parents: 1303
diff changeset
1156 journalvalues[propname] = current
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1157
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1158 # do stuff based on the prop type
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1159 if isinstance(prop, Link):
927
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 924
diff changeset
1160 link_class = prop.classname
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1161 # if it isn't a number, it's a key
927
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 924
diff changeset
1162 if value is not None and not isinstance(value, type('')):
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 924
diff changeset
1163 raise ValueError, 'property "%s" link value be a string'%(
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 924
diff changeset
1164 propname)
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 924
diff changeset
1165 if isinstance(value, type('')) and not num_re.match(value):
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1166 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1167 value = self.db.classes[link_class].lookup(value)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1168 except (TypeError, KeyError):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1169 raise IndexError, 'new property "%s": %s not a %s'%(
927
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 924
diff changeset
1170 propname, value, prop.classname)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1171
927
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 924
diff changeset
1172 if (value is not None and
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 924
diff changeset
1173 not self.db.getclass(link_class).hasnode(value)):
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1174 raise IndexError, '%s has no node %s'%(link_class, value)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1175
927
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 924
diff changeset
1176 if self.do_journal and prop.do_journal:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1177 # register the unlink with the old linked node
1246
46515c0d115e merge from maint-0-5
Richard Jones <richard@users.sourceforge.net>
parents: 1222
diff changeset
1178 if node.has_key(propname) and node[propname] is not None:
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1179 self.db.addjournal(link_class, node[propname], 'unlink',
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1180 (self.classname, nodeid, propname))
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1181
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1182 # register the link with the newly linked node
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1183 if value is not None:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1184 self.db.addjournal(link_class, value, 'link',
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1185 (self.classname, nodeid, propname))
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1186
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1187 elif isinstance(prop, Multilink):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1188 if type(value) != type([]):
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1189 raise TypeError, 'new property "%s" not a list of'\
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1190 ' ids'%propname
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1191 link_class = self.properties[propname].classname
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1192 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1193 for entry in value:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1194 # if it isn't a number, it's a key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1195 if type(entry) != type(''):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1196 raise ValueError, 'new property "%s" link value ' \
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1197 'must be a string'%propname
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1198 if not num_re.match(entry):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1199 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1200 entry = self.db.classes[link_class].lookup(entry)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1201 except (TypeError, KeyError):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1202 raise IndexError, 'new property "%s": %s not a %s'%(
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1203 propname, entry,
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1204 self.properties[propname].classname)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1205 l.append(entry)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1206 value = l
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1207 propvalues[propname] = value
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1208
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1209 # figure the journal entry for this property
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1210 add = []
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1211 remove = []
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1212
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1213 # handle removals
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1214 if node.has_key(propname):
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1215 l = node[propname]
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1216 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1217 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1218 for id in l[:]:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1219 if id in value:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1220 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1221 # register the unlink with the old linked node
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1222 if self.do_journal and self.properties[propname].do_journal:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1223 self.db.addjournal(link_class, id, 'unlink',
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1224 (self.classname, nodeid, propname))
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1225 l.remove(id)
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1226 remove.append(id)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1227
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1228 # handle additions
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1229 for id in value:
902
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
1230 if not self.db.getclass(link_class).hasnode(id):
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1231 raise IndexError, '%s has no node %s'%(link_class, id)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1232 if id in l:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1233 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1234 # register the link with the newly linked node
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1235 if self.do_journal and self.properties[propname].do_journal:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1236 self.db.addjournal(link_class, id, 'link',
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1237 (self.classname, nodeid, propname))
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1238 l.append(id)
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1239 add.append(id)
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1240
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1241 # figure the journal entry
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1242 l = []
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1243 if add:
967
dd35bab19dd9 use more robust date stamp comparisons in pack(), make journal smaller too
Richard Jones <richard@users.sourceforge.net>
parents: 964
diff changeset
1244 l.append(('+', add))
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1245 if remove:
967
dd35bab19dd9 use more robust date stamp comparisons in pack(), make journal smaller too
Richard Jones <richard@users.sourceforge.net>
parents: 964
diff changeset
1246 l.append(('-', remove))
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1247 if l:
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1248 journalvalues[propname] = tuple(l)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1249
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1250 elif isinstance(prop, String):
1383
f19dde90e473 applied unicode patch
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1351
diff changeset
1251 if value is not None and type(value) != type('') and type(value) != type(u''):
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1252 raise TypeError, 'new property "%s" not a string'%propname
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1253
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1254 elif isinstance(prop, Password):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1255 if not isinstance(value, password.Password):
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1256 raise TypeError, 'new property "%s" not a Password'%propname
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1257 propvalues[propname] = value
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1258
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1259 elif value is not None and isinstance(prop, Date):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1260 if not isinstance(value, date.Date):
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1261 raise TypeError, 'new property "%s" not a Date'% propname
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1262 propvalues[propname] = value
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1263
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1264 elif value is not None and isinstance(prop, Interval):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1265 if not isinstance(value, date.Interval):
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1266 raise TypeError, 'new property "%s" not an '\
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1267 'Interval'%propname
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1268 propvalues[propname] = value
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1269
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1270 elif value is not None and isinstance(prop, Number):
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1271 try:
890
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
1272 float(value)
887
e7169d6e6e45 added tests for number type too
Richard Jones <richard@users.sourceforge.net>
parents: 886
diff changeset
1273 except ValueError:
890
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
1274 raise TypeError, 'new property "%s" not numeric'%propname
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1275
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1276 elif value is not None and isinstance(prop, Boolean):
890
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
1277 try:
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
1278 int(value)
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
1279 except ValueError:
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
1280 raise TypeError, 'new property "%s" not boolean'%propname
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1281
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1282 node[propname] = value
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1283
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1284 # nothing to do?
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1285 if not propvalues:
930
3c344e942055 Use same regex to split search terms as used to index text.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 927
diff changeset
1286 return propvalues
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1287
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1288 # do the set, and journal it
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1289 self.db.setnode(self.classname, nodeid, node)
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1290
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1291 if self.do_journal:
1304
61ad556cfc8d working toward 0.5.2 release
Richard Jones <richard@users.sourceforge.net>
parents: 1303
diff changeset
1292 self.db.addjournal(self.classname, nodeid, 'set', journalvalues)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1293
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1294 self.fireReactors('set', nodeid, oldvalues)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1295
930
3c344e942055 Use same regex to split search terms as used to index text.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 927
diff changeset
1296 return propvalues
3c344e942055 Use same regex to split search terms as used to index text.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 927
diff changeset
1297
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1298 def retire(self, nodeid):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1299 '''Retire a node.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1300
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1301 The properties on the node remain available from the get() method,
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1302 and the node's id is never reused.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1303
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1304 Retired nodes are not returned by the find(), list(), or lookup()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1305 methods, and other nodes may reuse the values of their key properties.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1306
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1307 These operations trigger detectors and can be vetoed. Attempts
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1308 to modify the "creation" or "activity" properties cause a KeyError.
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1309 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1310 if self.db.journaltag is None:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1311 raise DatabaseError, 'Database open read-only'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1312
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1313 self.fireAuditors('retire', nodeid, None)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1314
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1315 node = self.db.getnode(self.classname, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1316 node[self.db.RETIRED_FLAG] = 1
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1317 self.db.setnode(self.classname, nodeid, node)
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1318 if self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1319 self.db.addjournal(self.classname, nodeid, 'retired', None)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1320
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1321 self.fireReactors('retire', nodeid, None)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1322
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1323 def restore(self, nodeid):
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1324 '''Restpre a retired node.
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1325
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1326 Make node available for all operations like it was before retirement.
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1327 '''
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1328 if self.db.journaltag is None:
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1329 raise DatabaseError, 'Database open read-only'
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1330
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1331 self.fireAuditors('restore', nodeid, None)
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1332
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1333 node = self.db.getnode(self.classname, nodeid)
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1334 del node[self.db.RETIRED_FLAG]
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1335 self.db.setnode(self.classname, nodeid, node)
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1336 if self.do_journal:
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1337 self.db.addjournal(self.classname, nodeid, 'restored', None)
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1338
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1339 self.fireReactors('restore', nodeid, None)
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1340
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1341 def is_retired(self, nodeid, cldb=None):
940
301a02ea6020 added is_retired query to Class
Richard Jones <richard@users.sourceforge.net>
parents: 930
diff changeset
1342 '''Return true if the node is retired.
301a02ea6020 added is_retired query to Class
Richard Jones <richard@users.sourceforge.net>
parents: 930
diff changeset
1343 '''
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1344 node = self.db.getnode(self.classname, nodeid, cldb)
940
301a02ea6020 added is_retired query to Class
Richard Jones <richard@users.sourceforge.net>
parents: 930
diff changeset
1345 if node.has_key(self.db.RETIRED_FLAG):
301a02ea6020 added is_retired query to Class
Richard Jones <richard@users.sourceforge.net>
parents: 930
diff changeset
1346 return 1
301a02ea6020 added is_retired query to Class
Richard Jones <richard@users.sourceforge.net>
parents: 930
diff changeset
1347 return 0
301a02ea6020 added is_retired query to Class
Richard Jones <richard@users.sourceforge.net>
parents: 930
diff changeset
1348
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1349 def destroy(self, nodeid):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1350 '''Destroy a node.
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1327
diff changeset
1351
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1352 WARNING: this method should never be used except in extremely rare
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1353 situations where there could never be links to the node being
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1354 deleted
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1355 WARNING: use retire() instead
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1356 WARNING: the properties of this node will not be available ever again
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1357 WARNING: really, use retire() instead
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1358
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1359 Well, I think that's enough warnings. This method exists mostly to
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1360 support the session storage of the cgi interface.
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1361 '''
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1362 if self.db.journaltag is None:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1363 raise DatabaseError, 'Database open read-only'
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1364 self.db.destroynode(self.classname, nodeid)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1365
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1366 def history(self, nodeid):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1367 '''Retrieve the journal of edits on a particular node.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1368
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1369 'nodeid' must be the id of an existing node of this class or an
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1370 IndexError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1371
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1372 The returned list contains tuples of the form
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1373
1409
8dc60d87ab42 Fixed a backlog of bug reports, and worked on python 2.3 compatibility:
Richard Jones <richard@users.sourceforge.net>
parents: 1408
diff changeset
1374 (nodeid, date, tag, action, params)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1375
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1376 'date' is a Timestamp object specifying the time of the change and
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1377 'tag' is the journaltag specified when the database was opened.
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1378 '''
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1379 if not self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1380 raise ValueError, 'Journalling is disabled for this class'
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1381 return self.db.getjournal(self.classname, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1382
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1383 # Locating nodes:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1384 def hasnode(self, nodeid):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1385 '''Determine if the given nodeid actually exists
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1386 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1387 return self.db.hasnode(self.classname, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1388
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1389 def setkey(self, propname):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1390 '''Select a String property of this class to be the key property.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1391
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1392 'propname' must be the name of a String property of this class or
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1393 None, or a TypeError is raised. The values of the key property on
862
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
1394 all existing nodes must be unique or a ValueError is raised. If the
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
1395 property doesn't exist, KeyError is raised.
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1396 '''
862
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
1397 prop = self.getprops()[propname]
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
1398 if not isinstance(prop, String):
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
1399 raise TypeError, 'key properties must be String'
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1400 self.key = propname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1401
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1402 def getkey(self):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1403 '''Return the name of the key property for this class or None.'''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1404 return self.key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1405
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1406 def labelprop(self, default_to_id=0):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1407 ''' Return the property name for a label for the given node.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1408
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1409 This method attempts to generate a consistent label for the node.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1410 It tries the following in order:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1411 1. key property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1412 2. "name" property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1413 3. "title" property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1414 4. first property from the sorted property name list
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1415 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1416 k = self.getkey()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1417 if k:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1418 return k
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1419 props = self.getprops()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1420 if props.has_key('name'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1421 return 'name'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1422 elif props.has_key('title'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1423 return 'title'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1424 if default_to_id:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1425 return 'id'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1426 props = props.keys()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1427 props.sort()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1428 return props[0]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1429
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1430 # TODO: set up a separate index db file for this? profile?
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1431 def lookup(self, keyvalue):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1432 '''Locate a particular node by its key property and return its id.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1433
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1434 If this class has no key property, a TypeError is raised. If the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1435 'keyvalue' matches one of the values for the key property among
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1436 the nodes in this class, the matching node's id is returned;
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1437 otherwise a KeyError is raised.
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1438 '''
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1439 if not self.key:
1127
22517f9e3b1e nicer error message
Richard Jones <richard@users.sourceforge.net>
parents: 1103
diff changeset
1440 raise TypeError, 'No key property set for class %s'%self.classname
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1441 cldb = self.db.getclassdb(self.classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1442 try:
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1443 for nodeid in self.getnodeids(cldb):
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1444 node = self.db.getnode(self.classname, nodeid, cldb)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1445 if node.has_key(self.db.RETIRED_FLAG):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1446 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1447 if node[self.key] == keyvalue:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1448 return nodeid
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1449 finally:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1450 cldb.close()
1174
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1451 raise KeyError, 'No key (%s) value "%s" for "%s"'%(self.key,
8e318dfaf479 Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents: 1170
diff changeset
1452 keyvalue, self.classname)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1453
1103
db787cef1385 handled some XXXs
Richard Jones <richard@users.sourceforge.net>
parents: 1099
diff changeset
1454 # change from spec - allows multiple props to match
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1455 def find(self, **propspec):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1456 '''Get the ids of nodes in this class which link to the given nodes.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1457
1222
bc3bc3248dd1 added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
1458 'propspec' consists of keyword args propname=nodeid or
bc3bc3248dd1 added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
1459 propname={nodeid:1, }
bc3bc3248dd1 added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
1460 'propname' must be the name of a property in this class, or a
bc3bc3248dd1 added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
1461 KeyError is raised. That property must be a Link or
bc3bc3248dd1 added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
1462 Multilink property, or a TypeError is raised.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1463
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1464 Any node in this class whose 'propname' property links to any of the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1465 nodeids will be returned. Used by the full text indexing, which knows
1222
bc3bc3248dd1 added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
1466 that "foo" occurs in msg1, msg3 and file7, so we have hits on these
bc3bc3248dd1 added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
1467 issues:
bc3bc3248dd1 added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
1468
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1469 db.issue.find(messages={'1':1,'3':1}, files={'7':1})
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1470 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1471 propspec = propspec.items()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1472 for propname, nodeids in propspec:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1473 # check the prop is OK
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1474 prop = self.properties[propname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1475 if not isinstance(prop, Link) and not isinstance(prop, Multilink):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1476 raise TypeError, "'%s' not a Link/Multilink property"%propname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1477
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1478 # ok, now do the find
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1479 cldb = self.db.getclassdb(self.classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1480 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1481 try:
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1482 for id in self.getnodeids(db=cldb):
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1483 node = self.db.getnode(self.classname, id, db=cldb)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1484 if node.has_key(self.db.RETIRED_FLAG):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1485 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1486 for propname, nodeids in propspec:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1487 # can't test if the node doesn't have this property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1488 if not node.has_key(propname):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1489 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1490 if type(nodeids) is type(''):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1491 nodeids = {nodeids:1}
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1492 prop = self.properties[propname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1493 value = node[propname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1494 if isinstance(prop, Link) and nodeids.has_key(value):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1495 l.append(id)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1496 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1497 elif isinstance(prop, Multilink):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1498 hit = 0
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1499 for v in value:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1500 if nodeids.has_key(v):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1501 l.append(id)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1502 hit = 1
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1503 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1504 if hit:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1505 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1506 finally:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1507 cldb.close()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1508 return l
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1509
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1510 def stringFind(self, **requirements):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1511 '''Locate a particular node by matching a set of its String
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1512 properties in a caseless search.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1513
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1514 If the property is not a String property, a TypeError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1515
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1516 The return is a list of the id of all nodes that match.
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1517 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1518 for propname in requirements.keys():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1519 prop = self.properties[propname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1520 if isinstance(not prop, String):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1521 raise TypeError, "'%s' not a String property"%propname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1522 requirements[propname] = requirements[propname].lower()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1523 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1524 cldb = self.db.getclassdb(self.classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1525 try:
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1526 for nodeid in self.getnodeids(cldb):
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1527 node = self.db.getnode(self.classname, nodeid, cldb)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1528 if node.has_key(self.db.RETIRED_FLAG):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1529 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1530 for key, value in requirements.items():
1296
34b1e6490e65 hardening for stringFind with missing props
Richard Jones <richard@users.sourceforge.net>
parents: 1252
diff changeset
1531 if not node.has_key(key):
34b1e6490e65 hardening for stringFind with missing props
Richard Jones <richard@users.sourceforge.net>
parents: 1252
diff changeset
1532 break
905
502a5ae11cc5 Very close now. The cgi and mailgw now use the new security API.
Richard Jones <richard@users.sourceforge.net>
parents: 902
diff changeset
1533 if node[key] is None or node[key].lower() != value:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1534 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1535 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1536 l.append(nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1537 finally:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1538 cldb.close()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1539 return l
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1540
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1541 def list(self):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1542 ''' Return a list of the ids of the active nodes in this class.
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1543 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1544 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1545 cn = self.classname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1546 cldb = self.db.getclassdb(cn)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1547 try:
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1548 for nodeid in self.getnodeids(cldb):
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1549 node = self.db.getnode(cn, nodeid, cldb)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1550 if node.has_key(self.db.RETIRED_FLAG):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1551 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1552 l.append(nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1553 finally:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1554 cldb.close()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1555 l.sort()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1556 return l
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1557
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1558 def getnodeids(self, db=None):
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1559 ''' Return a list of ALL nodeids
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1560 '''
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1561 if __debug__:
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1562 print >>hyperdb.DEBUG, 'getnodeids', (self, self.classname, db)
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1563
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1564 res = []
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1565
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1566 # start off with the new nodes
1486
f5f60c75a458 added test for error in sqlite backend, and fixed *dbm backend error
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1567 if self.db.newnodes.has_key(self.classname):
f5f60c75a458 added test for error in sqlite backend, and fixed *dbm backend error
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1568 res += self.db.newnodes[self.classname].keys()
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1569
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1570 if db is None:
1486
f5f60c75a458 added test for error in sqlite backend, and fixed *dbm backend error
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1571 db = self.db.getclassdb(self.classname)
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1572 res = res + db.keys()
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1573
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1574 # remove the uncommitted, destroyed nodes
1486
f5f60c75a458 added test for error in sqlite backend, and fixed *dbm backend error
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1575 if self.db.destroyednodes.has_key(self.classname):
f5f60c75a458 added test for error in sqlite backend, and fixed *dbm backend error
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1576 for nodeid in self.db.destroyednodes[self.classname].keys():
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1577 if db.has_key(nodeid):
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1578 res.remove(nodeid)
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1579
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1580 return res
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1581
1249
6c24a86a12ae Fixes for SourceForge tracker bugs.
Richard Jones <richard@users.sourceforge.net>
parents: 1246
diff changeset
1582 def filter(self, search_matches, filterspec, sort=(None,None),
6c24a86a12ae Fixes for SourceForge tracker bugs.
Richard Jones <richard@users.sourceforge.net>
parents: 1246
diff changeset
1583 group=(None,None), num_re = re.compile('^\d+$')):
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1584 ''' Return a list of the ids of the active nodes in this class that
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1585 match the 'filter' spec, sorted by the group spec and then the
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1586 sort spec.
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1587
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1588 "filterspec" is {propname: value(s)}
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1589 "sort" and "group" are (dir, prop) where dir is '+', '-' or None
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1590 and prop is a prop name or None
990
d374545c8eb0 minor edits
Richard Jones <richard@users.sourceforge.net>
parents: 969
diff changeset
1591 "search_matches" is {nodeid: marker}
1170
af104fa52746 Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents: 1159
diff changeset
1592
af104fa52746 Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents: 1159
diff changeset
1593 The filter must match all properties specificed - but if the
af104fa52746 Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents: 1159
diff changeset
1594 property value to match is a list, any one of the values in the
af104fa52746 Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents: 1159
diff changeset
1595 list may match for that property to match.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1596 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1597 cn = self.classname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1598
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1599 # optimise filterspec
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1600 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1601 props = self.getprops()
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1602 LINK = 0
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1603 MULTILINK = 1
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1604 STRING = 2
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1605 DATE = 3
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1606 OTHER = 6
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1607
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1608 timezone = self.db.getUserTimezone()
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1609 for k, v in filterspec.items():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1610 propclass = props[k]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1611 if isinstance(propclass, Link):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1612 if type(v) is not type([]):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1613 v = [v]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1614 # replace key values with node ids
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1615 u = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1616 link_class = self.db.classes[propclass.classname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1617 for entry in v:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1618 if entry == '-1': entry = None
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1619 elif not num_re.match(entry):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1620 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1621 entry = link_class.lookup(entry)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1622 except (TypeError,KeyError):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1623 raise ValueError, 'property "%s": %s not a %s'%(
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1624 k, entry, self.properties[k].classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1625 u.append(entry)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1626
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1627 l.append((LINK, k, u))
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1628 elif isinstance(propclass, Multilink):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1629 if type(v) is not type([]):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1630 v = [v]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1631 # replace key values with node ids
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1632 u = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1633 link_class = self.db.classes[propclass.classname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1634 for entry in v:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1635 if not num_re.match(entry):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1636 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1637 entry = link_class.lookup(entry)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1638 except (TypeError,KeyError):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1639 raise ValueError, 'new property "%s": %s not a %s'%(
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1640 k, entry, self.properties[k].classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1641 u.append(entry)
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1642 l.append((MULTILINK, k, u))
1303
71be6588904f fixed filtering by id in anydbm
Richard Jones <richard@users.sourceforge.net>
parents: 1296
diff changeset
1643 elif isinstance(propclass, String) and k != 'id':
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1644 # simple glob searching
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1645 v = re.sub(r'([\|\{\}\\\.\+\[\]\(\)])', r'\\\1', v)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1646 v = v.replace('?', '.')
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1647 v = v.replace('*', '.*?')
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1648 l.append((STRING, k, re.compile(v, re.I)))
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1649 elif isinstance(propclass, Date):
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1650 try:
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1651 date_rng = Range(v, date.Date, offset=timezone)
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1652 l.append((DATE, k, date_rng))
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1653 except ValueError:
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1654 # If range creation fails - ignore that search parameter
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1655 pass
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1656 elif isinstance(propclass, Boolean):
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1657 if type(v) is type(''):
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1658 bv = v.lower() in ('yes', 'true', 'on', '1')
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1659 else:
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1660 bv = v
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1661 l.append((OTHER, k, bv))
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1662 # kedder: dates are filtered by ranges
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1663 #elif isinstance(propclass, Date):
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1664 # l.append((OTHER, k, date.Date(v)))
1351
d1bfb479e527 fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents: 1333
diff changeset
1665 elif isinstance(propclass, Interval):
d1bfb479e527 fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents: 1333
diff changeset
1666 l.append((OTHER, k, date.Interval(v)))
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1667 elif isinstance(propclass, Number):
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1668 l.append((OTHER, k, int(v)))
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1669 else:
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1670 l.append((OTHER, k, v))
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1671 filterspec = l
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1672
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1673 # now, find all the nodes that are active and pass filtering
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1674 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1675 cldb = self.db.getclassdb(cn)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1676 try:
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1677 # TODO: only full-scan once (use items())
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1678 for nodeid in self.getnodeids(cldb):
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1679 node = self.db.getnode(cn, nodeid, cldb)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1680 if node.has_key(self.db.RETIRED_FLAG):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1681 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1682 # apply filter
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1683 for t, k, v in filterspec:
1303
71be6588904f fixed filtering by id in anydbm
Richard Jones <richard@users.sourceforge.net>
parents: 1296
diff changeset
1684 # handle the id prop
71be6588904f fixed filtering by id in anydbm
Richard Jones <richard@users.sourceforge.net>
parents: 1296
diff changeset
1685 if k == 'id' and v == nodeid:
71be6588904f fixed filtering by id in anydbm
Richard Jones <richard@users.sourceforge.net>
parents: 1296
diff changeset
1686 continue
71be6588904f fixed filtering by id in anydbm
Richard Jones <richard@users.sourceforge.net>
parents: 1296
diff changeset
1687
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1688 # make sure the node has the property
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1689 if not node.has_key(k):
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1690 # this node doesn't have this property, so reject it
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1691 break
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1692
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1693 # now apply the property filter
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1694 if t == LINK:
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1695 # link - if this node's property doesn't appear in the
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1696 # filterspec's nodeid list, skip it
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1697 if node[k] not in v:
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1698 break
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1699 elif t == MULTILINK:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1700 # multilink - if any of the nodeids required by the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1701 # filterspec aren't in this node's property, then skip
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1702 # it
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1703 have = node[k]
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1704 for want in v:
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1705 if want not in have:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1706 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1707 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1708 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1709 break
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1710 elif t == STRING:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1711 # RE search
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1712 if node[k] is None or not v.search(node[k]):
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1713 break
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1714 elif t == DATE:
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1715 if node[k] is None: break
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1716 if v.to_value:
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1717 if not (v.from_value < node[k] and v.to_value > node[k]):
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1718 break
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1719 else:
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1720 if not (v.from_value < node[k]):
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1721 break
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1722 elif t == OTHER:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1723 # straight value comparison for the other types
924
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1724 if node[k] != v:
aa10112dd7d1 cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 916
diff changeset
1725 break
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1726 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1727 l.append((nodeid, node))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1728 finally:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1729 cldb.close()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1730 l.sort()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1731
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1732 # filter based on full text search
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1733 if search_matches is not None:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1734 k = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1735 for v in l:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1736 if search_matches.has_key(v[0]):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1737 k.append(v)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1738 l = k
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1739
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1740 # now, sort the result
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1741 def sortfun(a, b, sort=sort, group=group, properties=self.getprops(),
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1742 db = self.db, cl=self):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1743 a_id, an = a
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1744 b_id, bn = b
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1745 # sort by group and then sort
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1746 for dir, prop in group, sort:
1038
Richard Jones <richard@users.sourceforge.net>
parents: 1028
diff changeset
1747 if dir is None or prop is None: continue
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1748
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1749 # sorting is class-specific
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1750 propclass = properties[prop]
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1751
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1752 # handle the properties that might be "faked"
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1753 # also, handle possible missing properties
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1754 try:
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1755 if not an.has_key(prop):
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1756 an[prop] = cl.get(a_id, prop)
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1757 av = an[prop]
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1758 except KeyError:
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1759 # the node doesn't have a value for this property
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1760 if isinstance(propclass, Multilink): av = []
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1761 else: av = ''
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1762 try:
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1763 if not bn.has_key(prop):
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1764 bn[prop] = cl.get(b_id, prop)
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1765 bv = bn[prop]
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1766 except KeyError:
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1767 # the node doesn't have a value for this property
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1768 if isinstance(propclass, Multilink): bv = []
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1769 else: bv = ''
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1770
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1771 # String and Date values are sorted in the natural way
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1772 if isinstance(propclass, String):
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1773 # clean up the strings
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1774 if av and av[0] in string.uppercase:
1327
7af3f0df307b fixed nasty sorting bug that was lowercasing properties
Richard Jones <richard@users.sourceforge.net>
parents: 1312
diff changeset
1775 av = av.lower()
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1776 if bv and bv[0] in string.uppercase:
1327
7af3f0df307b fixed nasty sorting bug that was lowercasing properties
Richard Jones <richard@users.sourceforge.net>
parents: 1312
diff changeset
1777 bv = bv.lower()
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1778 if (isinstance(propclass, String) or
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1779 isinstance(propclass, Date)):
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1780 # it might be a string that's really an integer
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1781 try:
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1782 av = int(av)
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1783 bv = int(bv)
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1784 except:
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1785 pass
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1786 if dir == '+':
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1787 r = cmp(av, bv)
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1788 if r != 0: return r
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1789 elif dir == '-':
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1790 r = cmp(bv, av)
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1791 if r != 0: return r
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1792
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1793 # Link properties are sorted according to the value of
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1794 # the "order" property on the linked nodes if it is
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1795 # present; or otherwise on the key string of the linked
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1796 # nodes; or finally on the node ids.
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1797 elif isinstance(propclass, Link):
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1798 link = db.classes[propclass.classname]
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1799 if av is None and bv is not None: return -1
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1800 if av is not None and bv is None: return 1
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1801 if av is None and bv is None: continue
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1802 if link.getprops().has_key('order'):
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1803 if dir == '+':
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1804 r = cmp(link.get(av, 'order'),
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1805 link.get(bv, 'order'))
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1806 if r != 0: return r
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1807 elif dir == '-':
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1808 r = cmp(link.get(bv, 'order'),
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1809 link.get(av, 'order'))
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1810 if r != 0: return r
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1811 elif link.getkey():
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1812 key = link.getkey()
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1813 if dir == '+':
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1814 r = cmp(link.get(av, key), link.get(bv, key))
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1815 if r != 0: return r
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1816 elif dir == '-':
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1817 r = cmp(link.get(bv, key), link.get(av, key))
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1818 if r != 0: return r
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1819 else:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1820 if dir == '+':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1821 r = cmp(av, bv)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1822 if r != 0: return r
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1823 elif dir == '-':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1824 r = cmp(bv, av)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1825 if r != 0: return r
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1826
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1827 # Multilink properties are sorted according to how many
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1828 # links are present.
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1829 elif isinstance(propclass, Multilink):
1408
01c02e81e08d more proper multilink sorting/grouping
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1395
diff changeset
1830 r = cmp(len(av), len(bv))
01c02e81e08d more proper multilink sorting/grouping
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1395
diff changeset
1831 if r == 0:
01c02e81e08d more proper multilink sorting/grouping
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1395
diff changeset
1832 # Compare contents of multilink property if lenghts is
01c02e81e08d more proper multilink sorting/grouping
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1395
diff changeset
1833 # equal
01c02e81e08d more proper multilink sorting/grouping
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1395
diff changeset
1834 r = cmp ('.'.join(av), '.'.join(bv))
1505
c101d2ff5a20 fix to [SF#691071], really this time
Richard Jones <richard@users.sourceforge.net>
parents: 1499
diff changeset
1835 if r:
c101d2ff5a20 fix to [SF#691071], really this time
Richard Jones <richard@users.sourceforge.net>
parents: 1499
diff changeset
1836 if dir == '+':
c101d2ff5a20 fix to [SF#691071], really this time
Richard Jones <richard@users.sourceforge.net>
parents: 1499
diff changeset
1837 return r
c101d2ff5a20 fix to [SF#691071], really this time
Richard Jones <richard@users.sourceforge.net>
parents: 1499
diff changeset
1838 else:
c101d2ff5a20 fix to [SF#691071], really this time
Richard Jones <richard@users.sourceforge.net>
parents: 1499
diff changeset
1839 return -r
c101d2ff5a20 fix to [SF#691071], really this time
Richard Jones <richard@users.sourceforge.net>
parents: 1499
diff changeset
1840
c101d2ff5a20 fix to [SF#691071], really this time
Richard Jones <richard@users.sourceforge.net>
parents: 1499
diff changeset
1841 else:
c101d2ff5a20 fix to [SF#691071], really this time
Richard Jones <richard@users.sourceforge.net>
parents: 1499
diff changeset
1842 # all other types just compare
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1843 if dir == '+':
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1844 r = cmp(av, bv)
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1845 elif dir == '-':
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1846 r = cmp(bv, av)
1505
c101d2ff5a20 fix to [SF#691071], really this time
Richard Jones <richard@users.sourceforge.net>
parents: 1499
diff changeset
1847 if r != 0: return r
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1848
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
1849 # end for dir, prop in sort, group:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1850 # if all else fails, compare the ids
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1851 return cmp(a[0], b[0])
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1852
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1853 l.sort(sortfun)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1854 return [i[0] for i in l]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1855
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1856 def count(self):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1857 '''Get the number of nodes in this class.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1859 If the returned integer is 'numnodes', the ids of all the nodes
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1860 in this class run from 1 to numnodes, and numnodes+1 will be the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1861 id of the next node to be created in this class.
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1862 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1863 return self.db.countnodes(self.classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1864
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1865 # Manipulating properties:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1866
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1867 def getprops(self, protected=1):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1868 '''Return a dictionary mapping property names to property objects.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1869 If the "protected" flag is true, we include protected properties -
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1870 those which may not be modified.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1871
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1872 In addition to the actual properties on the node, these
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1873 methods provide the "creation" and "activity" properties. If the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1874 "protected" flag is true, we include protected properties - those
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1875 which may not be modified.
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1876 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1877 d = self.properties.copy()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1878 if protected:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1879 d['id'] = String()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1880 d['creation'] = hyperdb.Date()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1881 d['activity'] = hyperdb.Date()
1176
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1174
diff changeset
1882 d['creator'] = hyperdb.Link('user')
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1883 return d
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1884
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1885 def addprop(self, **properties):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1886 '''Add properties to this class.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1887
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1888 The keyword arguments in 'properties' must map names to property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1889 objects, or a TypeError is raised. None of the keys in 'properties'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1890 may collide with the names of existing properties, or a ValueError
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1891 is raised before any properties have been added.
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1892 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1893 for key in properties.keys():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1894 if self.properties.has_key(key):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1895 raise ValueError, key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1896 self.properties.update(properties)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1897
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1898 def index(self, nodeid):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1899 '''Add (or refresh) the node to search indexes
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1900 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1901 # find all the String properties that have indexme
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1902 for prop, propclass in self.getprops().items():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1903 if isinstance(propclass, String) and propclass.indexme:
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1904 try:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1905 value = str(self.get(nodeid, prop))
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1906 except IndexError:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1907 # node no longer exists - entry should be removed
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1908 self.db.indexer.purge_entry((self.classname, nodeid, prop))
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1909 else:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1910 # and index them under (classname, nodeid, property)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1911 self.db.indexer.add_text((self.classname, nodeid, prop),
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1912 value)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1913
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1914 #
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1915 # Detector interface
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1916 #
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1917 def audit(self, event, detector):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1918 '''Register a detector
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1919 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1920 l = self.auditors[event]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1921 if detector not in l:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1922 self.auditors[event].append(detector)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1923
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1924 def fireAuditors(self, action, nodeid, newvalues):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1925 '''Fire all registered auditors.
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1926 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1927 for audit in self.auditors[action]:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1928 audit(self.db, self, nodeid, newvalues)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1929
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1930 def react(self, event, detector):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1931 '''Register a detector
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1932 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1933 l = self.reactors[event]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1934 if detector not in l:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1935 self.reactors[event].append(detector)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1936
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1937 def fireReactors(self, action, nodeid, oldvalues):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1938 '''Fire all registered reactors.
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
1939 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1940 for react in self.reactors[action]:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1941 react(self.db, self, nodeid, oldvalues)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1942
1442
b42fa71754c9 don't attempt to create FileClass items if no content is supplied
Richard Jones <richard@users.sourceforge.net>
parents: 1431
diff changeset
1943 class FileClass(Class, hyperdb.FileClass):
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1944 '''This class defines a large chunk of data. To support this, it has a
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1945 mandatory String property "content" which is typically saved off
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1946 externally to the hyperdb.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1947
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1948 The default MIME type of this data is defined by the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1949 "default_mime_type" class attribute, which may be overridden by each
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1950 node if the class defines a "type" String property.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1951 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1952 default_mime_type = 'text/plain'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1953
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1954 def create(self, **propvalues):
1431
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
1955 ''' Snarf the "content" propvalue and store in a file
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1956 '''
1431
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
1957 # we need to fire the auditors now, or the content property won't
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
1958 # be in propvalues for the auditors to play with
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
1959 self.fireAuditors('create', None, propvalues)
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
1960
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
1961 # now remove the content property so it's not stored in the db
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1962 content = propvalues['content']
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1963 del propvalues['content']
1431
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
1964
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
1965 # do the database create
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
1966 newid = Class.create_inner(self, **propvalues)
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
1967
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
1968 # fire reactors
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
1969 self.fireReactors('create', newid, None)
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
1970
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1424
diff changeset
1971 # store off the content as a file
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1972 self.db.storefile(self.classname, newid, None, content)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1973 return newid
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1974
952
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1975 def import_list(self, propnames, proplist):
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1976 ''' Trap the "content" property...
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1977 '''
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1978 # dupe this list so we don't affect others
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1979 propnames = propnames[:]
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1980
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1981 # extract the "content" property from the proplist
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1982 i = propnames.index('content')
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
1983 content = eval(proplist[i])
952
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1984 del propnames[i]
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1985 del proplist[i]
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1986
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1987 # do the normal import
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1988 newid = Class.import_list(self, propnames, proplist)
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1989
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1990 # save off the "content" file
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1991 self.db.storefile(self.classname, newid, None, content)
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1992 return newid
f615fbd02c18 full database export and import is done
Richard Jones <richard@users.sourceforge.net>
parents: 950
diff changeset
1993
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1994 def get(self, nodeid, propname, default=_marker, cache=1):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1995 ''' trap the content propname and get it from the file
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1996 '''
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1327
diff changeset
1997 poss_msg = 'Possibly an access right configuration problem.'
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1998 if propname == 'content':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1999 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2000 return self.db.getfile(self.classname, nodeid, None)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2001 except IOError, (strerror):
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1327
diff changeset
2002 # XXX by catching this we donot see an error in the log.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2003 return 'ERROR reading file: %s%s\n%s\n%s'%(
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2004 self.classname, nodeid, poss_msg, strerror)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2005 if default is not _marker:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2006 return Class.get(self, nodeid, propname, default, cache=cache)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2007 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2008 return Class.get(self, nodeid, propname, cache=cache)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2009
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2010 def getprops(self, protected=1):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2011 ''' In addition to the actual properties on the node, these methods
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2012 provide the "content" property. If the "protected" flag is true,
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2013 we include protected properties - those which may not be
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2014 modified.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2015 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2016 d = Class.getprops(self, protected=protected).copy()
1159
a1a548c15260 include the "content" property in getprops....
Richard Jones <richard@users.sourceforge.net>
parents: 1145
diff changeset
2017 d['content'] = hyperdb.String()
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2018 return d
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2019
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2020 def index(self, nodeid):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2021 ''' Index the node in the search index.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2022
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2023 We want to index the content in addition to the normal String
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2024 property indexing.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2025 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2026 # perform normal indexing
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2027 Class.index(self, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2028
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2029 # get the content to index
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2030 content = self.get(nodeid, 'content')
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2031
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2032 # figure the mime type
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2033 if self.properties.has_key('type'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2034 mime_type = self.get(nodeid, 'type')
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2035 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2036 mime_type = self.default_mime_type
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2037
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2038 # and index!
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2039 self.db.indexer.add_text((self.classname, nodeid, 'content'), content,
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2040 mime_type)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2041
1103
db787cef1385 handled some XXXs
Richard Jones <richard@users.sourceforge.net>
parents: 1099
diff changeset
2042 # deviation from spec - was called ItemClass
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2043 class IssueClass(Class, roundupdb.IssueClass):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2044 # Overridden methods:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2045 def __init__(self, db, classname, **properties):
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
2046 '''The newly-created class automatically includes the "messages",
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2047 "files", "nosy", and "superseder" properties. If the 'properties'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2048 dictionary attempts to specify any of these properties or a
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2049 "creation" or "activity" property, a ValueError is raised.
969
ddcb527491ba Consistent quoting
Richard Jones <richard@users.sourceforge.net>
parents: 967
diff changeset
2050 '''
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2051 if not properties.has_key('title'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2052 properties['title'] = hyperdb.String(indexme='yes')
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2053 if not properties.has_key('messages'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2054 properties['messages'] = hyperdb.Multilink("msg")
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2055 if not properties.has_key('files'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2056 properties['files'] = hyperdb.Multilink("file")
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2057 if not properties.has_key('nosy'):
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
2058 # note: journalling is turned off as it really just wastes
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
2059 # space. this behaviour may be overridden in an instance
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 990
diff changeset
2060 properties['nosy'] = hyperdb.Multilink("user", do_journal="no")
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2061 if not properties.has_key('superseder'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2062 properties['superseder'] = hyperdb.Multilink(classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2063 Class.__init__(self, db, classname, **properties)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
2064
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
2065 #
Roundup Issue Tracker: http://roundup-tracker.org/