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annotate roundup/backends/back_anydbm.py @ 690:509a101305da

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node ids are now generated from a lockable store - no more race conditions We're using the portalocker code by Jonathan Feinberg that was contributed to the ASPN Python cookbook. This gives us locking across Unix and Windows.
author Richard Jones <richard@users.sourceforge.net>
date Mon, 15 Apr 2002 23:25:15 +0000
parents bc46480e2a2b
children 210e1ae39ab1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 1.32 2002-04-15 23:25:15 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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26 import whichdb, anydbm, os, marshal
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27 from roundup import hyperdb, date
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28 from blobfiles import FileStorage
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29 from locking import acquire_lock, release_lock
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31 #
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32 # Now the database
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33 #
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34 class Database(FileStorage, hyperdb.Database):
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35 """A database for storing records containing flexible data types.
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36
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37 Transaction stuff TODO:
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38 . check the timestamp of the class file and nuke the cache if it's
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39 modified. Do some sort of conflict checking on the dirty stuff.
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40 . perhaps detect write collisions (related to above)?
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41
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42 """
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43 def __init__(self, config, journaltag=None):
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44 """Open a hyperdatabase given a specifier to some storage.
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45
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46 The 'storagelocator' is obtained from config.DATABASE.
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47 The meaning of 'storagelocator' depends on the particular
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48 implementation of the hyperdatabase. It could be a file name,
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49 a directory path, a socket descriptor for a connection to a
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50 database over the network, etc.
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51
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52 The 'journaltag' is a token that will be attached to the journal
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53 entries for any edits done on the database. If 'journaltag' is
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54 None, the database is opened in read-only mode: the Class.create(),
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55 Class.set(), and Class.retire() methods are disabled.
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56 """
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57 self.config, self.journaltag = config, journaltag
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58 self.dir = config.DATABASE
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59 self.classes = {}
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60 self.cache = {} # cache of nodes loaded or created
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61 self.dirtynodes = {} # keep track of the dirty nodes by class
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62 self.newnodes = {} # keep track of the new nodes by class
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63 self.transactions = []
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64
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65 def __repr__(self):
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66 return '<back_anydbm instance at %x>'%id(self)
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67
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68 #
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69 # Classes
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70 #
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71 def __getattr__(self, classname):
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72 """A convenient way of calling self.getclass(classname)."""
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73 if self.classes.has_key(classname):
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74 if hyperdb.DEBUG:
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75 print '__getattr__', (self, classname)
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76 return self.classes[classname]
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77 raise AttributeError, classname
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78
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79 def addclass(self, cl):
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80 if hyperdb.DEBUG:
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81 print 'addclass', (self, cl)
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82 cn = cl.classname
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83 if self.classes.has_key(cn):
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84 raise ValueError, cn
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85 self.classes[cn] = cl
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86
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87 def getclasses(self):
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88 """Return a list of the names of all existing classes."""
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89 if hyperdb.DEBUG:
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90 print 'getclasses', (self,)
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91 l = self.classes.keys()
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92 l.sort()
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93 return l
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94
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95 def getclass(self, classname):
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96 """Get the Class object representing a particular class.
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97
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98 If 'classname' is not a valid class name, a KeyError is raised.
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99 """
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100 if hyperdb.DEBUG:
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101 print 'getclass', (self, classname)
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102 return self.classes[classname]
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103
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104 #
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105 # Class DBs
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106 #
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107 def clear(self):
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108 '''Delete all database contents
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109 '''
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110 if hyperdb.DEBUG:
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111 print 'clear', (self,)
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112 for cn in self.classes.keys():
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113 for dummy in 'nodes', 'journals':
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114 path = os.path.join(self.dir, 'journals.%s'%cn)
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115 if os.path.exists(path):
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116 os.remove(path)
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117 elif os.path.exists(path+'.db'): # dbm appends .db
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118 os.remove(path+'.db')
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119
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120 def getclassdb(self, classname, mode='r'):
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121 ''' grab a connection to the class db that will be used for
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122 multiple actions
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123 '''
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124 if hyperdb.DEBUG:
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125 print 'getclassdb', (self, classname, mode)
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126 return self._opendb('nodes.%s'%classname, mode)
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127
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128 def _opendb(self, name, mode):
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129 '''Low-level database opener that gets around anydbm/dbm
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130 eccentricities.
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131 '''
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132 if hyperdb.DEBUG:
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133 print '_opendb', (self, name, mode)
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134
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135 # determine which DB wrote the class file
444
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diff changeset
136 db_type = ''
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diff changeset
137 path = os.path.join(os.getcwd(), self.dir, name)
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diff changeset
138 if os.path.exists(path):
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
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diff changeset
139 db_type = whichdb.whichdb(path)
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diff changeset
140 if not db_type:
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diff changeset
141 raise hyperdb.DatabaseError, "Couldn't identify database type"
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diff changeset
142 elif os.path.exists(path+'.db'):
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parents: 443
diff changeset
143 # if the path ends in '.db', it's a dbm database, whether
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diff changeset
144 # anydbm says it's dbhash or not!
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diff changeset
145 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
146
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
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parents: 440
diff changeset
147 # new database? let anydbm pick the best dbm
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diff changeset
148 if not db_type:
570
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diff changeset
149 if hyperdb.DEBUG:
452
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diff changeset
150 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
151 return anydbm.open(path, 'n')
46
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parents:
diff changeset
152
443
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diff changeset
153 # open the database with the correct module
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diff changeset
154 try:
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diff changeset
155 dbm = __import__(db_type)
444
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diff changeset
156 except ImportError:
443
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diff changeset
157 raise hyperdb.DatabaseError, \
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diff changeset
158 "Couldn't open database - the required module '%s'"\
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diff changeset
159 "is not available"%db_type
570
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diff changeset
160 if hyperdb.DEBUG:
452
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diff changeset
161 print "_opendb %r.open(%r, %r)"%(db_type, path, mode)
443
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diff changeset
162 return dbm.open(path, mode)
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diff changeset
163
690
509a101305da node ids are now generated from a lockable store - no more race conditions
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diff changeset
164 def _lockdb(self, name):
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165 ''' Lock a database file
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166 '''
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167 path = os.path.join(os.getcwd(), self.dir, '%s.lock'%name)
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diff changeset
168 return acquire_lock(path)
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diff changeset
169
509a101305da node ids are now generated from a lockable store - no more race conditions
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diff changeset
170 #
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diff changeset
171 # Node IDs
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diff changeset
172 #
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diff changeset
173 def newid(self, classname):
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diff changeset
174 ''' Generate a new id for the given class
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175 '''
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diff changeset
176 # open the ids DB - create if if doesn't exist
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diff changeset
177 lock = self._lockdb('_ids')
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diff changeset
178 db = self._opendb('_ids', 'c')
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diff changeset
179 if db.has_key(classname):
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diff changeset
180 newid = db[classname] = str(int(db[classname]) + 1)
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diff changeset
181 else:
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diff changeset
182 # the count() bit is transitional - older dbs won't start at 1
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diff changeset
183 newid = str(self.getclass(classname).count()+1)
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diff changeset
184 db[classname] = newid
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diff changeset
185 db.close()
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diff changeset
186 release_lock(lock)
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diff changeset
187 return newid
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diff changeset
188
48
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
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diff changeset
189 #
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
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diff changeset
190 # Nodes
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
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diff changeset
191 #
46
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192 def addnode(self, classname, nodeid, node):
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193 ''' add the specified node to its class's db
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diff changeset
194 '''
570
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diff changeset
195 if hyperdb.DEBUG:
452
7181efddce66 yuck, a gdbm instance tests false :(
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diff changeset
196 print 'addnode', (self, classname, nodeid, node)
430
350685601f37 Database transactions.
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diff changeset
197 self.newnodes.setdefault(classname, {})[nodeid] = 1
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diff changeset
198 self.cache.setdefault(classname, {})[nodeid] = node
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diff changeset
199 self.savenode(classname, nodeid, node)
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diff changeset
200
350685601f37 Database transactions.
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diff changeset
201 def setnode(self, classname, nodeid, node):
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diff changeset
202 ''' change the specified node
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diff changeset
203 '''
570
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diff changeset
204 if hyperdb.DEBUG:
452
7181efddce66 yuck, a gdbm instance tests false :(
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parents: 444
diff changeset
205 print 'setnode', (self, classname, nodeid, node)
430
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diff changeset
206 self.dirtynodes.setdefault(classname, {})[nodeid] = 1
676
bc46480e2a2b Fixed serialisation problem...
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parents: 650
diff changeset
207
430
350685601f37 Database transactions.
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diff changeset
208 # can't set without having already loaded the node
350685601f37 Database transactions.
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diff changeset
209 self.cache[classname][nodeid] = node
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diff changeset
210 self.savenode(classname, nodeid, node)
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diff changeset
211
350685601f37 Database transactions.
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diff changeset
212 def savenode(self, classname, nodeid, node):
350685601f37 Database transactions.
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diff changeset
213 ''' perform the saving of data specified by the set/addnode
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diff changeset
214 '''
570
e346a9792335 fixed back_bsddb so it passed the journal tests
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diff changeset
215 if hyperdb.DEBUG:
452
7181efddce66 yuck, a gdbm instance tests false :(
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parents: 444
diff changeset
216 print 'savenode', (self, classname, nodeid, node)
430
350685601f37 Database transactions.
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parents: 394
diff changeset
217 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
218
475
a1a44636bace Fix breakage caused by transaction changes.
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parents: 464
diff changeset
219 def getnode(self, classname, nodeid, db=None, cache=1):
460
9c895b44240a take a copy of the node dict...
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parents: 452
diff changeset
220 ''' get a node from the database
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
221 '''
570
e346a9792335 fixed back_bsddb so it passed the journal tests
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parents: 567
diff changeset
222 if hyperdb.DEBUG:
e346a9792335 fixed back_bsddb so it passed the journal tests
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parents: 567
diff changeset
223 print 'getnode', (self, classname, nodeid, db)
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
224 if cache:
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
225 # try the cache
a1a44636bace Fix breakage caused by transaction changes.
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parents: 464
diff changeset
226 cache = self.cache.setdefault(classname, {})
a1a44636bace Fix breakage caused by transaction changes.
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parents: 464
diff changeset
227 if cache.has_key(nodeid):
a1a44636bace Fix breakage caused by transaction changes.
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parents: 464
diff changeset
228 return cache[nodeid]
430
350685601f37 Database transactions.
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parents: 394
diff changeset
229
350685601f37 Database transactions.
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parents: 394
diff changeset
230 # get from the database and save in the cache
452
7181efddce66 yuck, a gdbm instance tests false :(
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parents: 444
diff changeset
231 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
232 db = self.getclassdb(classname)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
233 if not db.has_key(nodeid):
475
a1a44636bace Fix breakage caused by transaction changes.
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parents: 464
diff changeset
234 raise IndexError, "no such %s %s"%(classname, nodeid)
676
bc46480e2a2b Fixed serialisation problem...
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parents: 650
diff changeset
235
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
236 # decode
48
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
237 res = marshal.loads(db[nodeid])
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
238
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
239 # reverse the serialisation
bc46480e2a2b Fixed serialisation problem...
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parents: 650
diff changeset
240 res = self.unserialise(classname, res)
bc46480e2a2b Fixed serialisation problem...
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parents: 650
diff changeset
241
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
242 # store off in the cache
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
243 if cache:
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
244 cache[nodeid] = res
676
bc46480e2a2b Fixed serialisation problem...
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parents: 650
diff changeset
245
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
246 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
247
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
248 def hasnode(self, classname, nodeid, db=None):
460
9c895b44240a take a copy of the node dict...
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parents: 452
diff changeset
249 ''' 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
250 '''
570
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parents: 567
diff changeset
251 if hyperdb.DEBUG:
e346a9792335 fixed back_bsddb so it passed the journal tests
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parents: 567
diff changeset
252 print 'hasnode', (self, classname, nodeid, db)
430
350685601f37 Database transactions.
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parents: 394
diff changeset
253 # try the cache
350685601f37 Database transactions.
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parents: 394
diff changeset
254 cache = self.cache.setdefault(classname, {})
350685601f37 Database transactions.
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parents: 394
diff changeset
255 if cache.has_key(nodeid):
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
256 return 1
350685601f37 Database transactions.
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parents: 394
diff changeset
257
350685601f37 Database transactions.
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parents: 394
diff changeset
258 # not in the cache - check the database
452
7181efddce66 yuck, a gdbm instance tests false :(
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parents: 444
diff changeset
259 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
260 db = self.getclassdb(classname)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
261 res = db.has_key(nodeid)
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
262 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
263
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
264 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
265 if hyperdb.DEBUG:
e346a9792335 fixed back_bsddb so it passed the journal tests
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parents: 567
diff changeset
266 print 'countnodes', (self, classname, db)
430
350685601f37 Database transactions.
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parents: 394
diff changeset
267 # include the new nodes not saved to the DB yet
350685601f37 Database transactions.
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parents: 394
diff changeset
268 count = len(self.newnodes.get(classname, {}))
350685601f37 Database transactions.
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parents: 394
diff changeset
269
350685601f37 Database transactions.
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parents: 394
diff changeset
270 # and count those in the DB
452
7181efddce66 yuck, a gdbm instance tests false :(
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parents: 444
diff changeset
271 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
272 db = self.getclassdb(classname)
430
350685601f37 Database transactions.
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parents: 394
diff changeset
273 count = count + len(db.keys())
350685601f37 Database transactions.
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parents: 394
diff changeset
274 return count
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
275
452
7181efddce66 yuck, a gdbm instance tests false :(
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parents: 444
diff changeset
276 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
277 if hyperdb.DEBUG:
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
278 print 'getnodeids', (self, classname, db)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
279 # start off with the new nodes
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
280 res = self.newnodes.get(classname, {}).keys()
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
281
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
282 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
283 db = self.getclassdb(classname)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
284 res = res + db.keys()
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
285 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
286
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
287
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
288 #
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
289 # Files - special node properties
646
07abfe8f0c01 use blobfiles in back_anydbm which is used in back_bsddb.
Engelbert Gruber <grubert@users.sourceforge.net>
parents: 624
diff changeset
290 # inherited from FileStorage
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
291
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
292 #
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
293 # Journal
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
294 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
295 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
296 ''' Journal the Action
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
297 'action' may be:
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
298
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
299 '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
300 '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
301 'retire' -- 'params' is None
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
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 'addjournal', (self, classname, nodeid, action, params)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
305 self.transactions.append((self._doSaveJournal, (classname, nodeid,
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
306 action, params)))
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
307
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
308 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
309 ''' get the journal for id
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
310 '''
570
e346a9792335 fixed back_bsddb so it passed the journal tests
Richard Jones <richard@users.sourceforge.net>
parents: 567
diff changeset
311 if hyperdb.DEBUG:
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
312 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
313 # 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
314 # not exist
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
315 try:
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
316 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
317 except anydbm.error, error:
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
318 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
319 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
320 return []
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
321 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
322 res = []
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
323 for entry in journal:
624
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
324 (nodeid, date_stamp, user, action, params) = entry
48
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
325 date_obj = date.Date(date_stamp)
624
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
326 res.append((nodeid, date_obj, user, action, params))
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
327 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
328
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
329 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
330 ''' 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
331 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
332 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
333
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
334 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
335
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
336 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
337
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
338 # 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
339 # _opendb.
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
340 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
341 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
342 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
343 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
344 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
345 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
346 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
347 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
348
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 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
350 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
351 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
352
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
353 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
354 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
355 l = []
567
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
356 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
357 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
358 (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
359 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
360 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
361 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
362 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
363 # 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
364 # activity
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
365 last_set_entry = entry
567
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
366 if last_set_entry:
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
367 date_stamp = last_set_entry[1]
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
368 # 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
369 # 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
370 if date_stamp < pack_before:
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
371 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
372 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
373 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
374 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
375 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
376
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
377
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
378 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
379 # Basic transaction support
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
380 #
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
381 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
382 ''' 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
383 '''
570
e346a9792335 fixed back_bsddb so it passed the journal tests
Richard Jones <richard@users.sourceforge.net>
parents: 567
diff changeset
384 if hyperdb.DEBUG:
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
385 print 'commit', (self,)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
386 # TODO: lock the DB
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
387
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
388 # keep a handle to all the database files opened
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
389 self.databases = {}
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
390
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
391 # now, do all the transactions
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
392 for method, args in self.transactions:
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
393 method(*args)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
394
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
395 # now close all the database files
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
396 for db in self.databases.values():
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
397 db.close()
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
398 del self.databases
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
399 # 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
400
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
401 # all transactions committed, back to normal
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
402 self.cache = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
403 self.dirtynodes = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
404 self.newnodes = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
405 self.transactions = []
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
406
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
407 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
408 if hyperdb.DEBUG:
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
409 print '_doSaveNode', (self, classname, nodeid, node)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
410
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
411 # get the database handle
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
412 db_name = 'nodes.%s'%classname
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
413 if self.databases.has_key(db_name):
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
414 db = self.databases[db_name]
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
415 else:
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
416 db = self.databases[db_name] = self.getclassdb(classname, 'c')
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
417
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
418 # now save the marshalled data
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
419 db[nodeid] = marshal.dumps(self.serialise(classname, node))
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
420
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
421 def _doSaveJournal(self, classname, nodeid, action, params):
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
422 # serialise first
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
423 if action in ('set', 'create'):
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
424 params = self.serialise(classname, params)
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
425
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
426 # create the journal entry
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
427 entry = (nodeid, date.Date().get_tuple(), self.journaltag, action,
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
428 params)
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
429
624
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
430 if hyperdb.DEBUG:
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
431 print '_doSaveJournal', entry
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
432
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
433 # get the database handle
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
434 db_name = 'journals.%s'%classname
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
435 if self.databases.has_key(db_name):
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
436 db = self.databases[db_name]
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
437 else:
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
438 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
439
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
440 # now insert the journal entry
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
441 if db.has_key(nodeid):
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
442 # append to existing
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
443 s = db[nodeid]
650
9b2575610953 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 646
diff changeset
444 l = marshal.loads(s)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
445 l.append(entry)
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
446 else:
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
447 l = [entry]
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
448
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
449 db[nodeid] = marshal.dumps(l)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
450
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
451 def _doStoreFile(self, name, **databases):
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
452 # 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
453 os.rename(name+".tmp", name)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
454
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
455 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
456 ''' 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
457 '''
570
e346a9792335 fixed back_bsddb so it passed the journal tests
Richard Jones <richard@users.sourceforge.net>
parents: 567
diff changeset
458 if hyperdb.DEBUG:
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
459 print 'rollback', (self, )
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
460 for method, args in self.transactions:
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
461 # delete temporary files
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
462 if method == self._doStoreFile:
553
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
463 if os.path.exists(args[0]+".tmp"):
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
464 os.remove(args[0]+".tmp")
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
465 self.cache = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
466 self.dirtynodes = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
467 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
468 self.transactions = []
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
469
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
470 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
471 #$Log: not supported by cvs2svn $
690
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
472 #Revision 1.31 2002/04/03 05:54:31 richard
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
473 #Fixed serialisation problem by moving the serialisation step out of the
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
474 #hyperdb.Class (get, set) into the hyperdb.Database.
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
475 #
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
476 #Also fixed htmltemplate after the showid changes I made yesterday.
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
477 #
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
478 #Unit tests for all of the above written.
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
479 #
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
480 #Revision 1.30 2002/02/27 03:40:59 richard
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
481 #Ran it through pychecker, made fixes
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
482 #
650
9b2575610953 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 646
diff changeset
483 #Revision 1.29 2002/02/25 14:34:31 grubert
9b2575610953 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 646
diff changeset
484 # . use blobfiles in back_anydbm which is used in back_bsddb.
9b2575610953 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 646
diff changeset
485 # change test_db as dirlist does not work for subdirectories.
9b2575610953 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 646
diff changeset
486 # ATTENTION: blobfiles now creates subdirectories for files.
9b2575610953 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 646
diff changeset
487 #
646
07abfe8f0c01 use blobfiles in back_anydbm which is used in back_bsddb.
Engelbert Gruber <grubert@users.sourceforge.net>
parents: 624
diff changeset
488 #Revision 1.28 2002/02/16 09:14:17 richard
07abfe8f0c01 use blobfiles in back_anydbm which is used in back_bsddb.
Engelbert Gruber <grubert@users.sourceforge.net>
parents: 624
diff changeset
489 # . #514854 ] History: "User" is always ticket creator
07abfe8f0c01 use blobfiles in back_anydbm which is used in back_bsddb.
Engelbert Gruber <grubert@users.sourceforge.net>
parents: 624
diff changeset
490 #
624
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
491 #Revision 1.27 2002/01/22 07:21:13 richard
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
492 #. fixed back_bsddb so it passed the journal tests
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
493 #
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
494 #... it didn't seem happy using the back_anydbm _open method, which is odd.
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
495 #Yet another occurrance of whichdb not being able to recognise older bsddb
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
496 #databases. Yadda yadda. Made the HYPERDBDEBUG stuff more sane in the
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
497 #process.
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
498 #
570
e346a9792335 fixed back_bsddb so it passed the journal tests
Richard Jones <richard@users.sourceforge.net>
parents: 567
diff changeset
499 #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
500 #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
501 #
567
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
502 #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
503 #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
504 #information on 'activity' for nodes.
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
505 #
566
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
506 #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
507 #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
508 #
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
509 #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
510 #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
511 #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
512 #
553
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
513 #Revision 1.22 2002/01/14 02:20:15 richard
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
514 # . 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
515 # 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
516 # 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
517 # switching to a ConfigParser setup easier too, I hope.
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
518 #
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
519 #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
520 #0.5.0 switch, I hope!)
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
521 #
524
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
522 #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
523 #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
524 #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
525 # . modified ROUNDUPDBSENDMAILDEBUG to be SENDMAILDEBUG and hold a filename
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
526 # 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
527 # . 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
528 # . 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
529 #
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
530 #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
531 #on when I found that stuff :):
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
532 # . #496356 ] Use threading in messages
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
533 # . detectors were being registered multiple times
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
534 # . added tests for mailgw
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
535 # . 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
536 #
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
537 #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
538 #Fixed bugs:
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
539 # . 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
540 # backend
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
541 # . 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
542 # . 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
543 # . 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
544 # omitted as an argument
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
545 #
464
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
546 #Revision 1.19 2001/12/17 03:52:48 richard
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
547 #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
548 #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
549 #the file is called designator.property.
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
550 #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
551 #scheme - the FileClass just doesn't specify the property name.
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
552 #
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
553 #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
554 #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
555 #operation doesn't modify the oldvalues structure
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
556 #
460
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
557 #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
558 #yuck, a gdbm instance tests false :(
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
559 #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
560 #_really_ anal about performace :)
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
561 #
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
562 #Revision 1.16 2001/12/12 03:23:14 richard
7181efddce66 yuck, a gdbm instance tests false :(
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563 #Cor blimey this anydbm/whichdb stuff is yecchy. Turns out that whichdb
7181efddce66 yuck, a gdbm instance tests false :(
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564 #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>
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565 #been submitted to the python bug tracker as issue #491888:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
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diff changeset
566 #https://sourceforge.net/tracker/index.php?func=detail&aid=491888&group_id=5470&atid=105470
7181efddce66 yuck, a gdbm instance tests false :(
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567 #
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
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568 #Revision 1.15 2001/12/12 02:30:51 richard
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
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569 #I fixed the problems with people whose anydbm was using the dbm module at the
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
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570 #backend. It turns out the dbm module modifies the file name to append ".db"
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
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571 #and my check to determine if we're opening an existing or new db just
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
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parents: 443
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572 #tested os.path.exists() on the filename. Well, no longer! We now perform a
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
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573 #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>
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574 #too!
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
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575 #I also fixed the backends __init__ so only ImportError is squashed.
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
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576 #
443
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
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577 #Revision 1.14 2001/12/10 22:20:01 richard
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
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578 #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.
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579 #where possible, only replacing methods where the db is opened (it uses the
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580 #btree opener specifically.)
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
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diff changeset
581 #Also cleaned up some change note generation.
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
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diff changeset
582 #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>
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583 #
440
de5bf4191f11 Enabled transaction support in the bsddb backend.
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584 #Revision 1.13 2001/12/02 05:06:16 richard
de5bf4191f11 Enabled transaction support in the bsddb backend.
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585 #. We now use weakrefs in the Classes to keep the database reference, so
de5bf4191f11 Enabled transaction support in the bsddb backend.
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diff changeset
586 # the close() method on the database is no longer needed.
de5bf4191f11 Enabled transaction support in the bsddb backend.
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diff changeset
587 # I bumped the minimum python requirement up to 2.1 accordingly.
de5bf4191f11 Enabled transaction support in the bsddb backend.
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588 #. #487480 ] roundup-server
de5bf4191f11 Enabled transaction support in the bsddb backend.
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diff changeset
589 #. #487476 ] INSTALL.txt
de5bf4191f11 Enabled transaction support in the bsddb backend.
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590 #
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
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diff changeset
591 #I also cleaned up the change message / post-edit stuff in the cgi client.
de5bf4191f11 Enabled transaction support in the bsddb backend.
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592 #There's now a clearly marked "TODO: append the change note" where I believe
de5bf4191f11 Enabled transaction support in the bsddb backend.
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diff changeset
593 #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>
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diff changeset
594 #have to be modified to be a dict of the changes, or somesuch.
de5bf4191f11 Enabled transaction support in the bsddb backend.
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595 #
de5bf4191f11 Enabled transaction support in the bsddb backend.
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diff changeset
596 #More testing needed.
de5bf4191f11 Enabled transaction support in the bsddb backend.
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597 #
431
a28a80b714f9 Eliminate database close method by using weakrefs.
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598 #Revision 1.12 2001/12/01 07:17:50 richard
a28a80b714f9 Eliminate database close method by using weakrefs.
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599 #. We now have basic transaction support! Information is only written to
a28a80b714f9 Eliminate database close method by using weakrefs.
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diff changeset
600 # the database when the commit() method is called. Only the anydbm
a28a80b714f9 Eliminate database close method by using weakrefs.
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601 # backend is modified in this way - neither of the bsddb backends have been.
a28a80b714f9 Eliminate database close method by using weakrefs.
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diff changeset
602 # 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>
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603 # 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
604 #. Fixed login/registration forwarding the user to the right page (or not,
a28a80b714f9 Eliminate database close method by using weakrefs.
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parents: 430
diff changeset
605 # on a failure)
a28a80b714f9 Eliminate database close method by using weakrefs.
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diff changeset
606 #
430
350685601f37 Database transactions.
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diff changeset
607 #Revision 1.11 2001/11/21 02:34:18 richard
350685601f37 Database transactions.
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diff changeset
608 #Added a target version field to the extended issue schema
350685601f37 Database transactions.
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diff changeset
609 #
394
f43af1e97fdd Added a target version field to the extended issue schema
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610 #Revision 1.10 2001/10/09 23:58:10 richard
f43af1e97fdd Added a target version field to the extended issue schema
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611 #Moved the data stringification up into the hyperdb.Class class' get, set
f43af1e97fdd Added a target version field to the extended issue schema
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612 #and create methods. This means that the data is also stringified for the
f43af1e97fdd Added a target version field to the extended issue schema
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parents: 275
diff changeset
613 #journal call, and removes duplication of code from the backends. The
f43af1e97fdd Added a target version field to the extended issue schema
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diff changeset
614 #backend code now only sees strings.
f43af1e97fdd Added a target version field to the extended issue schema
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615 #
275
1cc866cec608 Moved the data stringification up into the hyperdb.Class class's...
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616 #Revision 1.9 2001/10/09 07:25:59 richard
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617 #Added the Password property type. See "pydoc roundup.password" for
1cc866cec608 Moved the data stringification up into the hyperdb.Class class's...
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618 #implementation details. Have updated some of the documentation too.
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619 #
270
a4241ddd22d7 Added the Password property type.
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620 #Revision 1.8 2001/09/29 13:27:00 richard
a4241ddd22d7 Added the Password property type.
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diff changeset
621 #CGI interfaces now spit up a top-level index of all the instances they can
a4241ddd22d7 Added the Password property type.
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622 #serve.
a4241ddd22d7 Added the Password property type.
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parents: 252
diff changeset
623 #
252
76c6994aa4e8 CGI interfaces now spit up a top-level index of all instances they can serve.
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624 #Revision 1.7 2001/08/12 06:32:36 richard
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diff changeset
625 #using isinstance(blah, Foo) now instead of isFooType
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626 #
224
ad2c98faec97 using isinstance(blah, Foo) now instead of isFooType
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627 #Revision 1.6 2001/08/07 00:24:42 richard
ad2c98faec97 using isinstance(blah, Foo) now instead of isFooType
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628 #stupid typo
ad2c98faec97 using isinstance(blah, Foo) now instead of isFooType
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diff changeset
629 #
214
18134bffab37 stupid typo
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630 #Revision 1.5 2001/08/07 00:15:51 richard
18134bffab37 stupid typo
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631 #Added the copyright/license notice to (nearly) all files at request of
18134bffab37 stupid typo
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diff changeset
632 #Bizar Software.
18134bffab37 stupid typo
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633 #
213
d45384bc6420 Added the copyright/license notice to (nearly) all files...
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634 #Revision 1.4 2001/07/30 01:41:36 richard
d45384bc6420 Added the copyright/license notice to (nearly) all files...
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diff changeset
635 #Makes schema changes mucho easier.
d45384bc6420 Added the copyright/license notice to (nearly) all files...
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diff changeset
636 #
149
fbc77ecf133b Makes schema changes mucho easier.
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637 #Revision 1.3 2001/07/25 01:23:07 richard
fbc77ecf133b Makes schema changes mucho easier.
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diff changeset
638 #Added the Roundup spec to the new documentation directory.
fbc77ecf133b Makes schema changes mucho easier.
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diff changeset
639 #
71
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
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diff changeset
640 #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>
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diff changeset
641 #Moved over to using marshal in the bsddb and anydbm backends.
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
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parents: 48
diff changeset
642 #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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diff changeset
643 # 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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parents:
diff changeset
644 #
71
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
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diff changeset
645 #
Roundup Issue Tracker: http://roundup-tracker.org/