Mercurial > p > roundup > code

annotate roundup/backends/back_anydbm.py @ 566:73af3e54c309

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
We need to keep the last 'set' entry in the journal... ...to preserve information on 'activity' for nodes.
author Roche Compaan <rochecompaan@users.sourceforge.net>
date Tue, 22 Jan 2002 05:06:09 +0000
parents 62febbd7ffec
children 9ca63f7332a7
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 #
566
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
18 #$Id: back_anydbm.py,v 1.25 2002-01-22 05:06:08 rochecompaan 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
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
26 import whichdb, anydbm, os, marshal
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents: 252
diff changeset
27 from roundup import hyperdb, date, password
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
28
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
29 DEBUG=os.environ.get('HYPERDBDEBUG', '')
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
30
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
31 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
32 # Now the database
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
33 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
34 class Database(hyperdb.Database):
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
35 """A database for storing records containing flexible data types.
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
36
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
37 Transaction stuff TODO:
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
38 . 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
39 modified. Do some sort of conflict checking on the dirty stuff.
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
40 . perhaps detect write collisions (related to above)?
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 """
524
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
43 def __init__(self, config, journaltag=None):
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
44 """Open a hyperdatabase given a specifier to some storage.
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
45
524
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
46 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
47 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
48 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
49 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
50 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
51
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
52 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
53 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
54 None, the database is opened in read-only mode: the Class.create(),
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
55 Class.set(), and Class.retire() methods are disabled.
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
56 """
524
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
57 self.config, self.journaltag = config, journaltag
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
58 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
59 self.classes = {}
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
60 self.cache = {} # cache of nodes loaded or created
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
61 self.dirtynodes = {} # keep track of the dirty nodes by class
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
62 self.newnodes = {} # keep track of the new 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
63 self.transactions = []
440
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
64
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
65 def __repr__(self):
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
66 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
67
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
68 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
69 # Classes
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
70 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
71 def __getattr__(self, classname):
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
72 """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
73 if self.classes.has_key(classname):
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
74 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
75 print '__getattr__', (self, classname)
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
76 return self.classes[classname]
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
77 raise AttributeError, classname
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
78
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
79 def addclass(self, cl):
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
80 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
81 print 'addclass', (self, cl)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
82 cn = cl.classname
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
83 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
84 raise ValueError, cn
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
85 self.classes[cn] = cl
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
86
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
87 def getclasses(self):
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
88 """Return a list of the names of all existing classes."""
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
89 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
90 print 'getclasses', (self,)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
91 l = self.classes.keys()
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
92 l.sort()
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
93 return l
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
94
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
95 def getclass(self, classname):
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
96 """Get the Class object representing a particular class.
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
97
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
98 If 'classname' is not a valid class name, a KeyError is raised.
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
99 """
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
100 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
101 print 'getclass', (self, classname)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
102 return self.classes[classname]
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
103
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
104 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
105 # Class DBs
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
106 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
107 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
108 '''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
109 '''
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
110 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
111 print 'clear', (self,)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
112 for cn in self.classes.keys():
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
113 for type in 'nodes', 'journals':
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
114 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
115 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
116 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
117 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
118 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
119
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
120 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
121 ''' 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
122 multiple actions
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
123 '''
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
124 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
125 print 'getclassdb', (self, classname, mode)
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
126 return self._opendb('nodes.%s'%classname, mode)
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
127
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
128 def _opendb(self, name, mode):
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
129 '''Low-level database opener that gets around anydbm/dbm
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
130 eccentricities.
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
131 '''
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
132 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
133 print '_opendb', (self, name, 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
134 # 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
135 db_type = ''
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
136 path = os.path.join(os.getcwd(), self.dir, name)
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
137 if os.path.exists(path):
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
138 db_type = whichdb.whichdb(path)
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
139 if not db_type:
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
140 raise hyperdb.DatabaseError, "Couldn't identify database type"
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
141 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
142 # 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
143 # 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
144 db_type = 'dbm'
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
145
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
146 # 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
147 if not db_type:
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
148 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
149 print "_opendb anydbm.open(%r, 'n')"%path
71
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
Richard Jones <richard@users.sourceforge.net>
parents: 48
diff changeset
150 return anydbm.open(path, 'n')
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
151
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 # 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
153 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
154 dbm = __import__(db_type)
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
155 except ImportError:
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
156 raise hyperdb.DatabaseError, \
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
157 "Couldn't open database - the required module '%s'"\
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 "is not available"%db_type
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
159 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
160 print "_opendb %r.open(%r, %r)"%(db_type, path, 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
161 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
162
48
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
163 #
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
164 # Nodes
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
165 #
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
166 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
167 ''' 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
168 '''
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
169 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
170 print 'addnode', (self, classname, nodeid, node)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
171 self.newnodes.setdefault(classname, {})[nodeid] = 1
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
172 self.cache.setdefault(classname, {})[nodeid] = node
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
173 self.savenode(classname, nodeid, node)
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
174
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
175 def setnode(self, classname, nodeid, node):
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
176 ''' change the specified node
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
177 '''
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
178 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
179 print 'setnode', (self, classname, nodeid, node)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
180 self.dirtynodes.setdefault(classname, {})[nodeid] = 1
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
181 # can't set without having already loaded the node
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
182 self.cache[classname][nodeid] = node
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
183 self.savenode(classname, nodeid, node)
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
184
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
185 def savenode(self, classname, nodeid, node):
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
186 ''' perform the saving of data specified by the set/addnode
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
187 '''
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
188 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
189 print 'savenode', (self, classname, nodeid, node)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
190 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
191
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
192 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
193 ''' 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
194 '''
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
195 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
196 print 'getnode', (self, classname, nodeid, cldb)
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
197 if cache:
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
198 # try the cache
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
199 cache = self.cache.setdefault(classname, {})
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
200 if cache.has_key(nodeid):
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
201 return cache[nodeid]
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
202
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
203 # 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
204 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
205 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
206 if not db.has_key(nodeid):
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
207 raise IndexError, "no such %s %s"%(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
208 res = marshal.loads(db[nodeid])
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
209 if cache:
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
210 cache[nodeid] = res
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
211 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
212
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
213 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
214 ''' 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
215 '''
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
216 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
217 print 'hasnode', (self, classname, nodeid, cldb)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
218 # try the cache
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
219 cache = self.cache.setdefault(classname, {})
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
220 if cache.has_key(nodeid):
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
221 return 1
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
222
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
223 # 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
224 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
225 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
226 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
227 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
228
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
229 def countnodes(self, classname, db=None):
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
230 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
231 print 'countnodes', (self, classname, cldb)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
232 # include the new nodes not saved to the DB yet
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
233 count = len(self.newnodes.get(classname, {}))
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
234
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
235 # and count those in the DB
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
236 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
237 db = self.getclassdb(classname)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
238 count = count + len(db.keys())
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
239 return count
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
240
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
241 def getnodeids(self, classname, db=None):
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
242 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
243 print 'getnodeids', (self, classname, db)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
244 # start off with the new nodes
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
245 res = self.newnodes.get(classname, {}).keys()
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
246
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
247 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
248 db = self.getclassdb(classname)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
249 res = res + db.keys()
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
250 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
251
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
252
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
253 #
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
254 # Files - special node properties
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
255 #
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
256 def filename(self, classname, nodeid, property=None):
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
257 '''Determine what the filename for the given node and optionally property is.
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
258 '''
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
259 # TODO: split into multiple files directories
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
260 if property:
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
261 return os.path.join(self.dir, 'files', '%s%s.%s'%(classname,
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
262 nodeid, property))
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
263 else:
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
264 # roundupdb.FileClass never specified the property name, so don't include it
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
265 return os.path.join(self.dir, 'files', '%s%s'%(classname,
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
266 nodeid))
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
267
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
268 def storefile(self, classname, nodeid, property, content):
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
269 '''Store the content of the file in the database. The property may be None, in
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
270 which case the filename does not indicate which property is being saved.
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
271 '''
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
272 name = self.filename(classname, nodeid, property)
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
273 open(name + '.tmp', 'wb').write(content)
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
274 self.transactions.append((self._doStoreFile, (name, )))
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
275
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
276 def getfile(self, classname, nodeid, property):
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
277 '''Store the content of the file in the database.
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
278 '''
464
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
279 filename = self.filename(classname, nodeid, property)
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
280 try:
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
281 return open(filename, 'rb').read()
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
282 except:
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
283 return open(filename+'.tmp', 'rb').read()
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
284
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
285
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
286 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
287 # Journal
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
288 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
289 def addjournal(self, classname, nodeid, action, params):
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
290 ''' Journal the Action
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
291 'action' may be:
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
292
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
293 '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
294 '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
295 'retire' -- 'params' is None
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
296 '''
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
297 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
298 print 'addjournal', (self, classname, nodeid, action, params)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
299 self.transactions.append((self._doSaveJournal, (classname, nodeid,
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
300 action, params)))
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
301
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
302 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
303 ''' get the journal for id
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
304 '''
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
305 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
306 print '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
307 # 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
308 # not exist
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
309 try:
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
310 db = self._opendb('journals.%s'%classname, 'r')
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
311 except anydbm.error, error:
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
312 if str(error) == "need 'c' or 'n' flag to open new db": return []
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
313 elif error.args[0] != 2: raise
48
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
314 return []
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
315 journal = marshal.loads(db[nodeid])
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
316 res = []
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
317 for entry in journal:
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
318 (nodeid, date_stamp, self.journaltag, action, params) = entry
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
319 date_obj = date.Date(date_stamp)
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
320 res.append((nodeid, date_obj, self.journaltag, action, params))
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
321 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
322
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
323 def pack(self, pack_before):
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
324 ''' delete all journal entries before 'pack_before' '''
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
325 if DEBUG:
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
326 print 'packjournal', (self, pack_before)
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
327
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
328 pack_before = pack_before.get_tuple()
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
329
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
330 classes = self.getclasses()
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
331
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
332 # TODO: factor this out to method - we're already doing it in
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
333 # _opendb.
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
334 db_type = ''
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
335 path = os.path.join(os.getcwd(), self.dir, classes[0])
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
336 if os.path.exists(path):
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
337 db_type = whichdb.whichdb(path)
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
338 if not db_type:
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
339 raise hyperdb.DatabaseError, "Couldn't identify database type"
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
340 elif os.path.exists(path+'.db'):
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
341 db_type = 'dbm'
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
342
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
343 for classname in classes:
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
344 db_name = 'journals.%s'%classname
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
345 db = self._opendb(db_name, 'w')
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
346
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
347 for key in db.keys():
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
348 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
349 l = []
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
350 for entry in journal:
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
351 (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
352 params) = entry
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
353 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
354 l.append(entry)
566
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
355 elif action == 'set':
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
356 # grab the last set entry to keep information on
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
357 # activity
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
358 last_set_entry = entry
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
359 date_stamp = last_set_entry[1]
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
360 # if the last set entry was made after the pack date
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
361 # then it is already in the list
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
362 if date_stamp < pack_before:
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
363 l.append(last_set_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
364 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
365 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
366 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
367 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
368
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
369
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
370 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
371 # Basic transaction support
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
372 #
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
373 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
374 ''' 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
375 '''
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
376 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
377 print 'commit', (self,)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
378 # TODO: lock the DB
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
379
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
380 # keep a handle to all the database files opened
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
381 self.databases = {}
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
382
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
383 # now, do all the transactions
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
384 for method, args in self.transactions:
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
385 method(*args)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
386
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
387 # now close all the database files
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
388 for db in self.databases.values():
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
389 db.close()
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
390 del self.databases
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
391 # TODO: unlock the DB
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
392
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
393 # all transactions committed, back to normal
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
394 self.cache = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
395 self.dirtynodes = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
396 self.newnodes = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
397 self.transactions = []
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
398
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
399 def _doSaveNode(self, classname, nodeid, node):
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
400 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
401 print '_doSaveNode', (self, classname, nodeid, node)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
402
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
403 # get the database handle
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
404 db_name = 'nodes.%s'%classname
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
405 if self.databases.has_key(db_name):
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
406 db = self.databases[db_name]
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
407 else:
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
408 db = self.databases[db_name] = self.getclassdb(classname, 'c')
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
409
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
410 # now save the marshalled data
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
411 db[nodeid] = marshal.dumps(node)
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
412
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
413 def _doSaveJournal(self, classname, nodeid, action, params):
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
414 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
415 print '_doSaveJournal', (self, classname, nodeid, action, params)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
416 entry = (nodeid, date.Date().get_tuple(), self.journaltag, action,
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
417 params)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
418
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
419 # get the database handle
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
420 db_name = 'journals.%s'%classname
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
421 if self.databases.has_key(db_name):
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
422 db = self.databases[db_name]
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
423 else:
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
424 db = self.databases[db_name] = self._opendb(db_name, 'c')
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
425
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
426 # now insert the journal entry
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
427 if db.has_key(nodeid):
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
428 s = db[nodeid]
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
429 l = marshal.loads(db[nodeid])
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
430 l.append(entry)
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
431 else:
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
432 l = [entry]
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
433 db[nodeid] = marshal.dumps(l)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
434
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
435 def _doStoreFile(self, name, **databases):
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
436 # the file is currently ".tmp" - move it to its real name to commit
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
437 os.rename(name+".tmp", name)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
438
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
439 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
440 ''' 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
441 '''
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
442 if DEBUG:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
443 print 'rollback', (self, )
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
444 for method, args in self.transactions:
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
445 # delete temporary files
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
446 if method == self._doStoreFile:
553
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
447 if os.path.exists(args[0]+".tmp"):
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
448 os.remove(args[0]+".tmp")
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
449 self.cache = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
450 self.dirtynodes = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
451 self.newnodes = {}
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
452 self.transactions = []
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
453
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
454 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
455 #$Log: not supported by cvs2svn $
566
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
456 #Revision 1.24 2002/01/21 16:33:20 rochecompaan
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
457 #You can now use the roundup-admin tool to pack the database
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
458 #
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
459 #Revision 1.23 2002/01/18 04:32:04 richard
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
460 #Rollback was breaking because a message hadn't actually been written to the file. Needs
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
461 #more investigation.
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
462 #
553
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
463 #Revision 1.22 2002/01/14 02:20:15 richard
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
464 # . changed all config accesses so they access either the instance or the
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
465 # config attriubute on the db. This means that all config is obtained from
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
466 # instance_config instead of the mish-mash of classes. This will make
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
467 # switching to a ConfigParser setup easier too, I hope.
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
468 #
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
469 #At a minimum, this makes migration a _little_ easier (a lot easier in the
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
470 #0.5.0 switch, I hope!)
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
471 #
524
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
472 #Revision 1.21 2002/01/02 02:31:38 richard
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
473 #Sorry for the huge checkin message - I was only intending to implement #496356
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
474 #but I found a number of places where things had been broken by transactions:
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
475 # . modified ROUNDUPDBSENDMAILDEBUG to be SENDMAILDEBUG and hold a filename
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
476 # for _all_ roundup-generated smtp messages to be sent to.
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
477 # . the transaction cache had broken the roundupdb.Class set() reactors
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
478 # . newly-created author users in the mailgw weren't being committed to the db
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
479 #
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
480 #Stuff that made it into CHANGES.txt (ie. the stuff I was actually working
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
481 #on when I found that stuff :):
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
482 # . #496356 ] Use threading in messages
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
483 # . detectors were being registered multiple times
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
484 # . added tests for mailgw
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
485 # . much better attaching of erroneous messages in the mail gateway
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
486 #
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
487 #Revision 1.20 2001/12/18 15:30:34 rochecompaan
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
488 #Fixed bugs:
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
489 # . Fixed file creation and retrieval in same transaction in anydbm
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
490 # backend
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
491 # . Cgi interface now renders new issue after issue creation
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
492 # . Could not set issue status to resolved through cgi interface
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
493 # . Mail gateway was changing status back to 'chatting' if status was
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
494 # omitted as an argument
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
495 #
464
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
496 #Revision 1.19 2001/12/17 03:52:48 richard
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
497 #Implemented file store rollback. As a bonus, the hyperdb is now capable of
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
498 #storing more than one file per node - if a property name is supplied,
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
499 #the file is called designator.property.
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
500 #I decided not to migrate the existing files stored over to the new naming
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
501 #scheme - the FileClass just doesn't specify the property name.
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
502 #
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
503 #Revision 1.18 2001/12/16 10:53:38 richard
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
504 #take a copy of the node dict so that the subsequent set
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
505 #operation doesn't modify the oldvalues structure
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
506 #
460
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
507 #Revision 1.17 2001/12/14 23:42:57 richard
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
508 #yuck, a gdbm instance tests false :(
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
509 #I've left the debugging code in - it should be removed one day if we're ever
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
510 #_really_ anal about performace :)
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
511 #
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
512 #Revision 1.16 2001/12/12 03:23:14 richard
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
513 #Cor blimey this anydbm/whichdb stuff is yecchy. Turns out that whichdb
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
514 #incorrectly identifies a dbm file as a dbhash file on my system. This has
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
515 #been submitted to the python bug tracker as issue #491888:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
516 #https://sourceforge.net/tracker/index.php?func=detail&aid=491888&group_id=5470&atid=105470
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
517 #
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
518 #Revision 1.15 2001/12/12 02:30:51 richard
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
519 #I fixed the problems with people whose anydbm was using the dbm module at the
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
520 #backend. It turns out the dbm module modifies the file name to append ".db"
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
521 #and my check to determine if we're opening an existing or new db just
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
522 #tested os.path.exists() on the filename. Well, no longer! We now perform a
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
523 #much better check _and_ cope with the anydbm implementation module changing
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
524 #too!
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
525 #I also fixed the backends __init__ so only ImportError is squashed.
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
526 #
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
527 #Revision 1.14 2001/12/10 22:20:01 richard
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
528 #Enabled transaction support in the bsddb backend. It uses the anydbm code
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
529 #where possible, only replacing methods where the db is opened (it uses the
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
530 #btree opener specifically.)
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
531 #Also cleaned up some change note generation.
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
532 #Made the backends package work with pydoc too.
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
533 #
440
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
534 #Revision 1.13 2001/12/02 05:06:16 richard
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
535 #. We now use weakrefs in the Classes to keep the database reference, so
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
536 # the close() method on the database is no longer needed.
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
537 # I bumped the minimum python requirement up to 2.1 accordingly.
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
538 #. #487480 ] roundup-server
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
539 #. #487476 ] INSTALL.txt
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
540 #
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
541 #I also cleaned up the change message / post-edit stuff in the cgi client.
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
542 #There's now a clearly marked "TODO: append the change note" where I believe
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
543 #the change note should be added there. The "changes" list will obviously
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
544 #have to be modified to be a dict of the changes, or somesuch.
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
545 #
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
546 #More testing needed.
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
547 #
431
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
548 #Revision 1.12 2001/12/01 07:17:50 richard
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
549 #. We now have basic transaction support! Information is only written to
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
550 # the database when the commit() method is called. Only the anydbm
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
551 # backend is modified in this way - neither of the bsddb backends have been.
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
552 # The mail, admin and cgi interfaces all use commit (except the admin tool
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
553 # doesn't have a commit command, so interactive users can't commit...)
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
554 #. Fixed login/registration forwarding the user to the right page (or not,
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
555 # on a failure)
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
556 #
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
557 #Revision 1.11 2001/11/21 02:34:18 richard
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
558 #Added a target version field to the extended issue schema
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
559 #
394
f43af1e97fdd Added a target version field to the extended issue schema
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
560 #Revision 1.10 2001/10/09 23:58:10 richard
f43af1e97fdd Added a target version field to the extended issue schema
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
561 #Moved the data stringification up into the hyperdb.Class class' get, set
f43af1e97fdd Added a target version field to the extended issue schema
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
562 #and create methods. This means that the data is also stringified for the
f43af1e97fdd Added a target version field to the extended issue schema
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
563 #journal call, and removes duplication of code from the backends. The
f43af1e97fdd Added a target version field to the extended issue schema
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
564 #backend code now only sees strings.
f43af1e97fdd Added a target version field to the extended issue schema
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
565 #
275
1cc866cec608 Moved the data stringification up into the hyperdb.Class class's...
Richard Jones <richard@users.sourceforge.net>
parents: 270
diff changeset
566 #Revision 1.9 2001/10/09 07:25:59 richard
1cc866cec608 Moved the data stringification up into the hyperdb.Class class's...
Richard Jones <richard@users.sourceforge.net>
parents: 270
diff changeset
567 #Added the Password property type. See "pydoc roundup.password" for
1cc866cec608 Moved the data stringification up into the hyperdb.Class class's...
Richard Jones <richard@users.sourceforge.net>
parents: 270
diff changeset
568 #implementation details. Have updated some of the documentation too.
1cc866cec608 Moved the data stringification up into the hyperdb.Class class's...
Richard Jones <richard@users.sourceforge.net>
parents: 270
diff changeset
569 #
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents: 252
diff changeset
570 #Revision 1.8 2001/09/29 13:27:00 richard
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents: 252
diff changeset
571 #CGI interfaces now spit up a top-level index of all the instances they can
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents: 252
diff changeset
572 #serve.
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents: 252
diff changeset
573 #
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
574 #Revision 1.7 2001/08/12 06:32:36 richard
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
575 #using isinstance(blah, Foo) now instead of isFooType
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
576 #
224
ad2c98faec97 using isinstance(blah, Foo) now instead of isFooType
Richard Jones <richard@users.sourceforge.net>
parents: 214
diff changeset
577 #Revision 1.6 2001/08/07 00:24:42 richard
ad2c98faec97 using isinstance(blah, Foo) now instead of isFooType
Richard Jones <richard@users.sourceforge.net>
parents: 214
diff changeset
578 #stupid typo
ad2c98faec97 using isinstance(blah, Foo) now instead of isFooType
Richard Jones <richard@users.sourceforge.net>
parents: 214
diff changeset
579 #
214
18134bffab37 stupid typo
Richard Jones <richard@users.sourceforge.net>
parents: 213
diff changeset
580 #Revision 1.5 2001/08/07 00:15:51 richard
18134bffab37 stupid typo
Richard Jones <richard@users.sourceforge.net>
parents: 213
diff changeset
581 #Added the copyright/license notice to (nearly) all files at request of
18134bffab37 stupid typo
Richard Jones <richard@users.sourceforge.net>
parents: 213
diff changeset
582 #Bizar Software.
18134bffab37 stupid typo
Richard Jones <richard@users.sourceforge.net>
parents: 213
diff changeset
583 #
213
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
584 #Revision 1.4 2001/07/30 01:41:36 richard
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
585 #Makes schema changes mucho easier.
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
586 #
149
fbc77ecf133b Makes schema changes mucho easier.
Richard Jones <richard@users.sourceforge.net>
parents: 71
diff changeset
587 #Revision 1.3 2001/07/25 01:23:07 richard
fbc77ecf133b Makes schema changes mucho easier.
Richard Jones <richard@users.sourceforge.net>
parents: 71
diff changeset
588 #Added the Roundup spec to the new documentation directory.
fbc77ecf133b Makes schema changes mucho easier.
Richard Jones <richard@users.sourceforge.net>
parents: 71
diff changeset
589 #
71
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
Richard Jones <richard@users.sourceforge.net>
parents: 48
diff changeset
590 #Revision 1.2 2001/07/23 08:20:44 richard
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
Richard Jones <richard@users.sourceforge.net>
parents: 48
diff changeset
591 #Moved over to using marshal in the bsddb and anydbm backends.
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
Richard Jones <richard@users.sourceforge.net>
parents: 48
diff changeset
592 #roundup-admin now has a "freshen" command that'll load/save all nodes (not
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
Richard Jones <richard@users.sourceforge.net>
parents: 48
diff changeset
593 # retired - mod hyperdb.Class.list() so it lists retired nodes)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
594 #
71
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
Richard Jones <richard@users.sourceforge.net>
parents: 48
diff changeset
595 #
Roundup Issue Tracker: http://roundup-tracker.org/