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annotate roundup/backends/back_anydbm.py @ 570:e346a9792335

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fixed back_bsddb so it passed the journal tests ... it didn't seem happy using the back_anydbm _open method, which is odd. Yet another occurrance of whichdb not being able to recognise older bsddb databases. Yadda yadda. Made the HYPERDBDEBUG stuff more sane in the process.
author Richard Jones <richard@users.sourceforge.net>
date Tue, 22 Jan 2002 07:21:13 +0000
parents 9ca63f7332a7
children 352d67e22d6d
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1 #
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2 # Copyright (c) 2001 Bizar Software Pty Ltd (http://www.bizarsoftware.com.au/)
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3 # This module is free software, and you may redistribute it and/or modify
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4 # under the same terms as Python, so long as this copyright message and
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5 # disclaimer are retained in their original form.
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6 #
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7 # IN NO EVENT SHALL BIZAR SOFTWARE PTY LTD BE LIABLE TO ANY PARTY FOR
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8 # DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING
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9 # OUT OF THE USE OF THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE
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10 # POSSIBILITY OF SUCH DAMAGE.
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11 #
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12 # BIZAR SOFTWARE PTY LTD SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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13 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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14 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS"
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15 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
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16 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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17 #
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18 #$Id: back_anydbm.py,v 1.27 2002-01-22 07:21:13 richard Exp $
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19 '''
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20 This module defines a backend that saves the hyperdatabase in a database
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21 chosen by anydbm. It is guaranteed to always be available in python
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22 versions >2.1.1 (the dumbdbm fallback in 2.1.1 and earlier has several
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23 serious bugs, and is not available)
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24 '''
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25
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26 import whichdb, anydbm, os, marshal
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27 from roundup import hyperdb, date, password
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29 #
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30 # Now the database
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31 #
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32 class Database(hyperdb.Database):
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33 """A database for storing records containing flexible data types.
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34
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35 Transaction stuff TODO:
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36 . check the timestamp of the class file and nuke the cache if it's
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37 modified. Do some sort of conflict checking on the dirty stuff.
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38 . perhaps detect write collisions (related to above)?
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39
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40 """
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41 def __init__(self, config, journaltag=None):
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42 """Open a hyperdatabase given a specifier to some storage.
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43
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44 The 'storagelocator' is obtained from config.DATABASE.
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45 The meaning of 'storagelocator' depends on the particular
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46 implementation of the hyperdatabase. It could be a file name,
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47 a directory path, a socket descriptor for a connection to a
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48 database over the network, etc.
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49
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50 The 'journaltag' is a token that will be attached to the journal
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51 entries for any edits done on the database. If 'journaltag' is
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52 None, the database is opened in read-only mode: the Class.create(),
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53 Class.set(), and Class.retire() methods are disabled.
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54 """
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55 self.config, self.journaltag = config, journaltag
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56 self.dir = config.DATABASE
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57 self.classes = {}
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58 self.cache = {} # cache of nodes loaded or created
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59 self.dirtynodes = {} # keep track of the dirty nodes by class
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60 self.newnodes = {} # keep track of the new nodes by class
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61 self.transactions = []
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62
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63 def __repr__(self):
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64 return '<back_anydbm instance at %x>'%id(self)
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65
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66 #
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67 # Classes
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68 #
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69 def __getattr__(self, classname):
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70 """A convenient way of calling self.getclass(classname)."""
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71 if self.classes.has_key(classname):
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72 if hyperdb.DEBUG:
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73 print '__getattr__', (self, classname)
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74 return self.classes[classname]
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75 raise AttributeError, classname
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76
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77 def addclass(self, cl):
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78 if hyperdb.DEBUG:
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79 print 'addclass', (self, cl)
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80 cn = cl.classname
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81 if self.classes.has_key(cn):
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82 raise ValueError, cn
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83 self.classes[cn] = cl
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84
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85 def getclasses(self):
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86 """Return a list of the names of all existing classes."""
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87 if hyperdb.DEBUG:
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88 print 'getclasses', (self,)
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89 l = self.classes.keys()
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90 l.sort()
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91 return l
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92
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93 def getclass(self, classname):
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94 """Get the Class object representing a particular class.
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95
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96 If 'classname' is not a valid class name, a KeyError is raised.
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97 """
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98 if hyperdb.DEBUG:
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99 print 'getclass', (self, classname)
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100 return self.classes[classname]
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101
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102 #
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103 # Class DBs
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104 #
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105 def clear(self):
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106 '''Delete all database contents
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107 '''
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108 if hyperdb.DEBUG:
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109 print 'clear', (self,)
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110 for cn in self.classes.keys():
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111 for type in 'nodes', 'journals':
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112 path = os.path.join(self.dir, 'journals.%s'%cn)
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113 if os.path.exists(path):
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114 os.remove(path)
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115 elif os.path.exists(path+'.db'): # dbm appends .db
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116 os.remove(path+'.db')
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117
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118 def getclassdb(self, classname, mode='r'):
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119 ''' grab a connection to the class db that will be used for
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120 multiple actions
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121 '''
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122 if hyperdb.DEBUG:
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123 print 'getclassdb', (self, classname, mode)
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124 return self._opendb('nodes.%s'%classname, mode)
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125
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126 def _opendb(self, name, mode):
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127 '''Low-level database opener that gets around anydbm/dbm
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128 eccentricities.
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129 '''
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130 if hyperdb.DEBUG:
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131 print '_opendb', (self, name, mode)
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132 # determine which DB wrote the class file
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133 db_type = ''
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134 path = os.path.join(os.getcwd(), self.dir, name)
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135 if os.path.exists(path):
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
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diff changeset
136 db_type = whichdb.whichdb(path)
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parents: 443
diff changeset
137 if not db_type:
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parents: 443
diff changeset
138 raise hyperdb.DatabaseError, "Couldn't identify database type"
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
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parents: 443
diff changeset
139 elif os.path.exists(path+'.db'):
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parents: 443
diff changeset
140 # if the path ends in '.db', it's a dbm database, whether
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parents: 443
diff changeset
141 # anydbm says it's dbhash or not!
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parents: 443
diff changeset
142 db_type = 'dbm'
443
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
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parents: 440
diff changeset
143
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
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parents: 440
diff changeset
144 # new database? let anydbm pick the best dbm
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
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parents: 440
diff changeset
145 if not db_type:
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diff changeset
146 if hyperdb.DEBUG:
452
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diff changeset
147 print "_opendb anydbm.open(%r, 'n')"%path
71
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
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parents: 48
diff changeset
148 return anydbm.open(path, 'n')
46
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parents:
diff changeset
149
443
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
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diff changeset
150 # 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
151 try:
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diff changeset
152 dbm = __import__(db_type)
444
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parents: 443
diff changeset
153 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
154 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
155 "Couldn't open database - the required module '%s'"\
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
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diff changeset
156 "is not available"%db_type
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diff changeset
157 if hyperdb.DEBUG:
452
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diff changeset
158 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.
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parents: 440
diff changeset
159 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
160
48
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
161 #
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
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parents: 46
diff changeset
162 # Nodes
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
163 #
46
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diff changeset
164 def addnode(self, classname, nodeid, node):
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165 ''' add the specified node to its class's db
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parents:
diff changeset
166 '''
570
e346a9792335 fixed back_bsddb so it passed the journal tests
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diff changeset
167 if hyperdb.DEBUG:
452
7181efddce66 yuck, a gdbm instance tests false :(
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parents: 444
diff changeset
168 print 'addnode', (self, classname, nodeid, node)
430
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parents: 394
diff changeset
169 self.newnodes.setdefault(classname, {})[nodeid] = 1
350685601f37 Database transactions.
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diff changeset
170 self.cache.setdefault(classname, {})[nodeid] = node
350685601f37 Database transactions.
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parents: 394
diff changeset
171 self.savenode(classname, nodeid, node)
350685601f37 Database transactions.
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parents: 394
diff changeset
172
350685601f37 Database transactions.
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parents: 394
diff changeset
173 def setnode(self, classname, nodeid, node):
350685601f37 Database transactions.
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parents: 394
diff changeset
174 ''' change the specified node
350685601f37 Database transactions.
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parents: 394
diff changeset
175 '''
570
e346a9792335 fixed back_bsddb so it passed the journal tests
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diff changeset
176 if hyperdb.DEBUG:
452
7181efddce66 yuck, a gdbm instance tests false :(
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diff changeset
177 print 'setnode', (self, classname, nodeid, node)
430
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parents: 394
diff changeset
178 self.dirtynodes.setdefault(classname, {})[nodeid] = 1
350685601f37 Database transactions.
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diff changeset
179 # can't set without having already loaded the node
350685601f37 Database transactions.
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parents: 394
diff changeset
180 self.cache[classname][nodeid] = node
350685601f37 Database transactions.
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parents: 394
diff changeset
181 self.savenode(classname, nodeid, node)
350685601f37 Database transactions.
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parents: 394
diff changeset
182
350685601f37 Database transactions.
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diff changeset
183 def savenode(self, classname, nodeid, node):
350685601f37 Database transactions.
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parents: 394
diff changeset
184 ''' perform the saving of data specified by the set/addnode
350685601f37 Database transactions.
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diff changeset
185 '''
570
e346a9792335 fixed back_bsddb so it passed the journal tests
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diff changeset
186 if hyperdb.DEBUG:
452
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diff changeset
187 print 'savenode', (self, classname, nodeid, node)
430
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diff changeset
188 self.transactions.append((self._doSaveNode, (classname, nodeid, node)))
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
189
475
a1a44636bace Fix breakage caused by transaction changes.
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parents: 464
diff changeset
190 def getnode(self, classname, nodeid, db=None, cache=1):
460
9c895b44240a take a copy of the node dict...
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diff changeset
191 ''' get a node from the database
46
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parents:
diff changeset
192 '''
570
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diff changeset
193 if hyperdb.DEBUG:
e346a9792335 fixed back_bsddb so it passed the journal tests
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diff changeset
194 print 'getnode', (self, classname, nodeid, db)
475
a1a44636bace Fix breakage caused by transaction changes.
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parents: 464
diff changeset
195 if cache:
a1a44636bace Fix breakage caused by transaction changes.
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diff changeset
196 # try the cache
a1a44636bace Fix breakage caused by transaction changes.
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diff changeset
197 cache = self.cache.setdefault(classname, {})
a1a44636bace Fix breakage caused by transaction changes.
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parents: 464
diff changeset
198 if cache.has_key(nodeid):
a1a44636bace Fix breakage caused by transaction changes.
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diff changeset
199 return cache[nodeid]
430
350685601f37 Database transactions.
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parents: 394
diff changeset
200
350685601f37 Database transactions.
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diff changeset
201 # get from the database and save in the cache
452
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diff changeset
202 if db is None:
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diff changeset
203 db = self.getclassdb(classname)
46
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parents:
diff changeset
204 if not db.has_key(nodeid):
475
a1a44636bace Fix breakage caused by transaction changes.
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diff changeset
205 raise IndexError, "no such %s %s"%(classname, nodeid)
48
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
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parents: 46
diff changeset
206 res = marshal.loads(db[nodeid])
475
a1a44636bace Fix breakage caused by transaction changes.
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parents: 464
diff changeset
207 if cache:
a1a44636bace Fix breakage caused by transaction changes.
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parents: 464
diff changeset
208 cache[nodeid] = res
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
209 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
210
452
7181efddce66 yuck, a gdbm instance tests false :(
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parents: 444
diff changeset
211 def hasnode(self, classname, nodeid, db=None):
460
9c895b44240a take a copy of the node dict...
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parents: 452
diff changeset
212 ''' determine if the database has a given node
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
213 '''
570
e346a9792335 fixed back_bsddb so it passed the journal tests
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parents: 567
diff changeset
214 if hyperdb.DEBUG:
e346a9792335 fixed back_bsddb so it passed the journal tests
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parents: 567
diff changeset
215 print 'hasnode', (self, classname, nodeid, db)
430
350685601f37 Database transactions.
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diff changeset
216 # try the cache
350685601f37 Database transactions.
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parents: 394
diff changeset
217 cache = self.cache.setdefault(classname, {})
350685601f37 Database transactions.
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parents: 394
diff changeset
218 if cache.has_key(nodeid):
350685601f37 Database transactions.
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parents: 394
diff changeset
219 return 1
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
220
350685601f37 Database transactions.
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parents: 394
diff changeset
221 # 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
222 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
223 db = self.getclassdb(classname)
46
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parents:
diff changeset
224 res = db.has_key(nodeid)
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
225 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
226
452
7181efddce66 yuck, a gdbm instance tests false :(
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parents: 444
diff changeset
227 def countnodes(self, classname, db=None):
570
e346a9792335 fixed back_bsddb so it passed the journal tests
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parents: 567
diff changeset
228 if hyperdb.DEBUG:
e346a9792335 fixed back_bsddb so it passed the journal tests
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parents: 567
diff changeset
229 print 'countnodes', (self, classname, db)
430
350685601f37 Database transactions.
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parents: 394
diff changeset
230 # include the new nodes not saved to the DB yet
350685601f37 Database transactions.
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parents: 394
diff changeset
231 count = len(self.newnodes.get(classname, {}))
350685601f37 Database transactions.
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parents: 394
diff changeset
232
350685601f37 Database transactions.
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parents: 394
diff changeset
233 # and count those in the DB
452
7181efddce66 yuck, a gdbm instance tests false :(
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parents: 444
diff changeset
234 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
235 db = self.getclassdb(classname)
430
350685601f37 Database transactions.
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parents: 394
diff changeset
236 count = count + len(db.keys())
350685601f37 Database transactions.
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parents: 394
diff changeset
237 return count
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
238
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
239 def getnodeids(self, classname, db=None):
570
e346a9792335 fixed back_bsddb so it passed the journal tests
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parents: 567
diff changeset
240 if hyperdb.DEBUG:
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
241 print 'getnodeids', (self, classname, db)
430
350685601f37 Database transactions.
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parents: 394
diff changeset
242 # start off with the new nodes
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
243 res = self.newnodes.get(classname, {}).keys()
350685601f37 Database transactions.
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parents: 394
diff changeset
244
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
245 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
246 db = self.getclassdb(classname)
430
350685601f37 Database transactions.
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parents: 394
diff changeset
247 res = res + db.keys()
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
248 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
249
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
250
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
251 #
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
252 # Files - special node properties
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 def filename(self, classname, nodeid, property=None):
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
255 '''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
256 '''
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
257 # TODO: split into multiple files directories
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
258 if property:
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
259 return os.path.join(self.dir, 'files', '%s%s.%s'%(classname,
b579418f7ed1 Implemented file store rollback.
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parents: 460
diff changeset
260 nodeid, property))
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
261 else:
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
262 # 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
263 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
264 nodeid))
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
265
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
266 def storefile(self, classname, nodeid, property, content):
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
267 '''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
268 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
269 '''
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
270 name = self.filename(classname, nodeid, property)
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
271 open(name + '.tmp', 'wb').write(content)
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
272 self.transactions.append((self._doStoreFile, (name, )))
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
273
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
274 def getfile(self, classname, nodeid, property):
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
275 '''Store the content of the file in the database.
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
276 '''
464
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
277 filename = self.filename(classname, nodeid, property)
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
278 try:
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
279 return open(filename, 'rb').read()
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
280 except:
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
281 return open(filename+'.tmp', 'rb').read()
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
282
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
283
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
284 #
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
285 # Journal
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
286 #
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parents:
diff changeset
287 def addjournal(self, classname, nodeid, action, params):
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
288 ''' Journal the Action
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
289 'action' may be:
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
290
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
291 'create' or 'set' -- 'params' is a dictionary of property values
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
292 '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
293 'retire' -- 'params' is None
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
294 '''
570
e346a9792335 fixed back_bsddb so it passed the journal tests
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parents: 567
diff changeset
295 if hyperdb.DEBUG:
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
296 print 'addjournal', (self, classname, nodeid, action, params)
430
350685601f37 Database transactions.
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parents: 394
diff changeset
297 self.transactions.append((self._doSaveJournal, (classname, nodeid,
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
298 action, params)))
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
299
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
300 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
301 ''' get the journal for id
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parents:
diff changeset
302 '''
570
e346a9792335 fixed back_bsddb so it passed the journal tests
Richard Jones <richard@users.sourceforge.net>
parents: 567
diff changeset
303 if hyperdb.DEBUG:
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
304 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
305 # 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
306 # not exist
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
307 try:
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
308 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
309 except anydbm.error, error:
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
310 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
311 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
312 return []
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
313 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
314 res = []
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
315 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
316 (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
317 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
318 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
319 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
320
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
321 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
322 ''' delete all journal entries before 'pack_before' '''
570
e346a9792335 fixed back_bsddb so it passed the journal tests
Richard Jones <richard@users.sourceforge.net>
parents: 567
diff changeset
323 if hyperdb.DEBUG:
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
324 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
325
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
326 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
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 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
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 # 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
331 # _opendb.
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
332 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
333 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
334 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
335 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
336 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
337 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
338 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
339 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
340
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
341 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
342 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
343 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
344
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
345 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
346 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
347 l = []
567
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
348 last_set_entry = None
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
349 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
350 (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
351 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
352 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
353 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
354 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
355 # 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
356 # activity
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
357 last_set_entry = entry
567
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
358 if last_set_entry:
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
359 date_stamp = last_set_entry[1]
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
360 # if the last set entry was made after the pack date
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
361 # then it is already in the list
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
362 if date_stamp < pack_before:
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
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 '''
570
e346a9792335 fixed back_bsddb so it passed the journal tests
Richard Jones <richard@users.sourceforge.net>
parents: 567
diff changeset
376 if hyperdb.DEBUG:
452
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):
570
e346a9792335 fixed back_bsddb so it passed the journal tests
Richard Jones <richard@users.sourceforge.net>
parents: 567
diff changeset
400 if hyperdb.DEBUG:
452
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):
570
e346a9792335 fixed back_bsddb so it passed the journal tests
Richard Jones <richard@users.sourceforge.net>
parents: 567
diff changeset
414 if hyperdb.DEBUG:
452
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 '''
570
e346a9792335 fixed back_bsddb so it passed the journal tests
Richard Jones <richard@users.sourceforge.net>
parents: 567
diff changeset
442 if hyperdb.DEBUG:
452
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 $
570
e346a9792335 fixed back_bsddb so it passed the journal tests
Richard Jones <richard@users.sourceforge.net>
parents: 567
diff changeset
456 #Revision 1.26 2002/01/22 05:18:38 rochecompaan
e346a9792335 fixed back_bsddb so it passed the journal tests
Richard Jones <richard@users.sourceforge.net>
parents: 567
diff changeset
457 #last_set_entry was referenced before assignment
e346a9792335 fixed back_bsddb so it passed the journal tests
Richard Jones <richard@users.sourceforge.net>
parents: 567
diff changeset
458 #
567
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
459 #Revision 1.25 2002/01/22 05:06:08 rochecompaan
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
460 #We need to keep the last 'set' entry in the journal to preserve
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
461 #information on 'activity' for nodes.
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
462 #
566
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
463 #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
464 #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
465 #
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
466 #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
467 #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
468 #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
469 #
553
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
470 #Revision 1.22 2002/01/14 02:20:15 richard
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
471 # . 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
472 # 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
473 # 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
474 # switching to a ConfigParser setup easier too, I hope.
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
475 #
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
476 #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
477 #0.5.0 switch, I hope!)
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
478 #
524
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
479 #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
480 #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
481 #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
482 # . modified ROUNDUPDBSENDMAILDEBUG to be SENDMAILDEBUG and hold a filename
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
483 # 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
484 # . 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
485 # . 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
486 #
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
487 #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
488 #on when I found that stuff :):
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
489 # . #496356 ] Use threading in messages
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
490 # . detectors were being registered multiple times
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
491 # . added tests for mailgw
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
492 # . 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
493 #
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
494 #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
495 #Fixed bugs:
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
496 # . 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
497 # backend
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
498 # . 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
499 # . 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
500 # . 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
501 # omitted as an argument
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
502 #
464
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
503 #Revision 1.19 2001/12/17 03:52:48 richard
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
504 #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
505 #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
506 #the file is called designator.property.
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
507 #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
508 #scheme - the FileClass just doesn't specify the property name.
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
509 #
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
510 #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
511 #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
512 #operation doesn't modify the oldvalues structure
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
513 #
460
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
514 #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
515 #yuck, a gdbm instance tests false :(
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
516 #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
517 #_really_ anal about performace :)
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
518 #
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
519 #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
520 #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
521 #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
522 #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
523 #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
524 #
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
525 #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
526 #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
527 #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
528 #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
529 #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
530 #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
531 #too!
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
532 #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
533 #
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
534 #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
535 #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
536 #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
537 #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
538 #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
539 #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
540 #
440
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
541 #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
542 #. 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
543 # 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
544 # 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
545 #. #487480 ] roundup-server
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
546 #. #487476 ] INSTALL.txt
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
547 #
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
548 #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
549 #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
550 #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
551 #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
552 #
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
553 #More testing needed.
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
554 #
431
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
555 #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
556 #. 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
557 # 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
558 # 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
559 # The mail, admin and cgi interfaces all use commit (except the admin tool
a28a80b714f9 Eliminate database close method by using weakrefs.
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560 # doesn't have a commit command, so interactive users can't commit...)
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561 #. Fixed login/registration forwarding the user to the right page (or not,
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562 # on a failure)
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563 #
430
350685601f37 Database transactions.
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564 #Revision 1.11 2001/11/21 02:34:18 richard
350685601f37 Database transactions.
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565 #Added a target version field to the extended issue schema
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566 #
394
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567 #Revision 1.10 2001/10/09 23:58:10 richard
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568 #Moved the data stringification up into the hyperdb.Class class' get, set
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569 #and create methods. This means that the data is also stringified for the
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570 #journal call, and removes duplication of code from the backends. The
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571 #backend code now only sees strings.
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572 #
275
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573 #Revision 1.9 2001/10/09 07:25:59 richard
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574 #Added the Password property type. See "pydoc roundup.password" for
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575 #implementation details. Have updated some of the documentation too.
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576 #
270
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577 #Revision 1.8 2001/09/29 13:27:00 richard
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578 #CGI interfaces now spit up a top-level index of all the instances they can
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579 #serve.
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580 #
252
76c6994aa4e8 CGI interfaces now spit up a top-level index of all instances they can serve.
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581 #Revision 1.7 2001/08/12 06:32:36 richard
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582 #using isinstance(blah, Foo) now instead of isFooType
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583 #
224
ad2c98faec97 using isinstance(blah, Foo) now instead of isFooType
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584 #Revision 1.6 2001/08/07 00:24:42 richard
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585 #stupid typo
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586 #
214
18134bffab37 stupid typo
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587 #Revision 1.5 2001/08/07 00:15:51 richard
18134bffab37 stupid typo
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588 #Added the copyright/license notice to (nearly) all files at request of
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589 #Bizar Software.
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590 #
213
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591 #Revision 1.4 2001/07/30 01:41:36 richard
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592 #Makes schema changes mucho easier.
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593 #
149
fbc77ecf133b Makes schema changes mucho easier.
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594 #Revision 1.3 2001/07/25 01:23:07 richard
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595 #Added the Roundup spec to the new documentation directory.
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596 #
71
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597 #Revision 1.2 2001/07/23 08:20:44 richard
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598 #Moved over to using marshal in the bsddb and anydbm backends.
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599 #roundup-admin now has a "freshen" command that'll load/save all nodes (not
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
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600 # retired - mod hyperdb.Class.list() so it lists retired nodes)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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601 #
71
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602 #
Roundup Issue Tracker: http://roundup-tracker.org/