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annotate roundup/backends/back_anydbm.py @ 860:2df32a73eb45

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Implemented a switch to disable journalling for a Class. CGI session database now uses it.
author Richard Jones <richard@users.sourceforge.net>
date Sun, 14 Jul 2002 04:03:15 +0000
parents 2dd862af72ee
children 37fb48c3a136
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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 1.45 2002-07-14 04:03:14 richard Exp $
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19 '''
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20 This module defines a backend that saves the hyperdatabase in a database
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21 chosen by anydbm. It is guaranteed to always be available in python
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22 versions >2.1.1 (the dumbdbm fallback in 2.1.1 and earlier has several
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23 serious bugs, and is not available)
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24 '''
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25
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26 import whichdb, anydbm, os, marshal, re, weakref, string, copy
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27 from roundup import hyperdb, date, password, roundupdb
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28 from blobfiles import FileStorage
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29 from roundup.indexer import Indexer
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30 from locking import acquire_lock, release_lock
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31 from roundup.hyperdb import String, Password, Date, Interval, Link, \
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32 Multilink, DatabaseError
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34 #
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35 # Now the database
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36 #
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37 class Database(FileStorage, hyperdb.Database, roundupdb.Database):
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38 """A database for storing records containing flexible data types.
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39
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40 Transaction stuff TODO:
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41 . check the timestamp of the class file and nuke the cache if it's
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42 modified. Do some sort of conflict checking on the dirty stuff.
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43 . perhaps detect write collisions (related to above)?
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44
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45 """
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46 def __init__(self, config, journaltag=None):
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47 """Open a hyperdatabase given a specifier to some storage.
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48
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49 The 'storagelocator' is obtained from config.DATABASE.
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50 The meaning of 'storagelocator' depends on the particular
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51 implementation of the hyperdatabase. It could be a file name,
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52 a directory path, a socket descriptor for a connection to a
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53 database over the network, etc.
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54
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55 The 'journaltag' is a token that will be attached to the journal
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56 entries for any edits done on the database. If 'journaltag' is
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57 None, the database is opened in read-only mode: the Class.create(),
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58 Class.set(), and Class.retire() methods are disabled.
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59 """
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60 self.config, self.journaltag = config, journaltag
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61 self.dir = config.DATABASE
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62 self.classes = {}
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63 self.cache = {} # cache of nodes loaded or created
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64 self.dirtynodes = {} # keep track of the dirty nodes by class
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65 self.newnodes = {} # keep track of the new nodes by class
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66 self.transactions = []
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67 self.indexer = Indexer(self.dir)
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68 # ensure files are group readable and writable
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69 os.umask(0002)
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70
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71 def post_init(self):
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72 """Called once the schema initialisation has finished."""
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73 # reindex the db if necessary
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74 if self.indexer.should_reindex():
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75 self.reindex()
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76
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77 def reindex(self):
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78 for klass in self.classes.values():
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79 for nodeid in klass.list():
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80 klass.index(nodeid)
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81 self.indexer.save_index()
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82
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83 def __repr__(self):
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84 return '<back_anydbm instance at %x>'%id(self)
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85
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86 #
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87 # Classes
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88 #
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89 def __getattr__(self, classname):
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90 """A convenient way of calling self.getclass(classname)."""
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91 if self.classes.has_key(classname):
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92 if __debug__:
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93 print >>hyperdb.DEBUG, '__getattr__', (self, classname)
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94 return self.classes[classname]
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95 raise AttributeError, classname
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96
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97 def addclass(self, cl):
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98 if __debug__:
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99 print >>hyperdb.DEBUG, 'addclass', (self, cl)
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100 cn = cl.classname
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101 if self.classes.has_key(cn):
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102 raise ValueError, cn
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103 self.classes[cn] = cl
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104
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105 def getclasses(self):
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106 """Return a list of the names of all existing classes."""
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107 if __debug__:
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108 print >>hyperdb.DEBUG, 'getclasses', (self,)
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109 l = self.classes.keys()
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110 l.sort()
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111 return l
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112
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113 def getclass(self, classname):
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114 """Get the Class object representing a particular class.
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115
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116 If 'classname' is not a valid class name, a KeyError is raised.
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117 """
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118 if __debug__:
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119 print >>hyperdb.DEBUG, 'getclass', (self, classname)
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120 return self.classes[classname]
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121
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122 #
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123 # Class DBs
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124 #
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125 def clear(self):
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126 '''Delete all database contents
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127 '''
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128 if __debug__:
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129 print >>hyperdb.DEBUG, 'clear', (self,)
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130 for cn in self.classes.keys():
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131 for dummy in 'nodes', 'journals':
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132 path = os.path.join(self.dir, 'journals.%s'%cn)
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133 if os.path.exists(path):
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134 os.remove(path)
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135 elif os.path.exists(path+'.db'): # dbm appends .db
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136 os.remove(path+'.db')
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137
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138 def getclassdb(self, classname, mode='r'):
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139 ''' grab a connection to the class db that will be used for
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140 multiple actions
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141 '''
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142 if __debug__:
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143 print >>hyperdb.DEBUG, 'getclassdb', (self, classname, mode)
444
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144 return self._opendb('nodes.%s'%classname, mode)
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145
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146 def _opendb(self, name, mode):
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147 '''Low-level database opener that gets around anydbm/dbm
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148 eccentricities.
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149 '''
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150 if __debug__:
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151 print >>hyperdb.DEBUG, '_opendb', (self, name, mode)
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152
443
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153 # determine which DB wrote the class file
444
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154 db_type = ''
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155 path = os.path.join(os.getcwd(), self.dir, name)
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diff changeset
156 if os.path.exists(path):
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diff changeset
157 db_type = whichdb.whichdb(path)
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158 if not db_type:
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159 raise hyperdb.DatabaseError, "Couldn't identify database type"
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160 elif os.path.exists(path+'.db'):
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161 # if the path ends in '.db', it's a dbm database, whether
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162 # anydbm says it's dbhash or not!
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163 db_type = 'dbm'
443
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diff changeset
164
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165 # new database? let anydbm pick the best dbm
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166 if not db_type:
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167 if __debug__:
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168 print >>hyperdb.DEBUG, "_opendb anydbm.open(%r, 'n')"%path
71
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diff changeset
169 return anydbm.open(path, 'n')
46
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170
443
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171 # open the database with the correct module
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diff changeset
172 try:
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173 dbm = __import__(db_type)
444
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diff changeset
174 except ImportError:
443
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175 raise hyperdb.DatabaseError, \
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176 "Couldn't open database - the required module '%s'"\
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177 " is not available"%db_type
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178 if __debug__:
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179 print >>hyperdb.DEBUG, "_opendb %r.open(%r, %r)"%(db_type, path,
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180 mode)
443
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diff changeset
181 return dbm.open(path, mode)
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diff changeset
182
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183 def _lockdb(self, name):
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184 ''' Lock a database file
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185 '''
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186 path = os.path.join(os.getcwd(), self.dir, '%s.lock'%name)
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187 return acquire_lock(path)
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188
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189 #
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190 # Node IDs
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191 #
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192 def newid(self, classname):
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193 ''' Generate a new id for the given class
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194 '''
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195 # open the ids DB - create if if doesn't exist
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196 lock = self._lockdb('_ids')
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197 db = self._opendb('_ids', 'c')
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198 if db.has_key(classname):
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199 newid = db[classname] = str(int(db[classname]) + 1)
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200 else:
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201 # the count() bit is transitional - older dbs won't start at 1
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202 newid = str(self.getclass(classname).count()+1)
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203 db[classname] = newid
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204 db.close()
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205 release_lock(lock)
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206 return newid
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207
48
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diff changeset
208 #
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diff changeset
209 # Nodes
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210 #
46
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211 def addnode(self, classname, nodeid, node):
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212 ''' add the specified node to its class's db
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213 '''
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214 if __debug__:
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215 print >>hyperdb.DEBUG, 'addnode', (self, classname, nodeid, node)
430
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diff changeset
216 self.newnodes.setdefault(classname, {})[nodeid] = 1
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diff changeset
217 self.cache.setdefault(classname, {})[nodeid] = node
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diff changeset
218 self.savenode(classname, nodeid, node)
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diff changeset
219
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diff changeset
220 def setnode(self, classname, nodeid, node):
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diff changeset
221 ''' change the specified node
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diff changeset
222 '''
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223 if __debug__:
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224 print >>hyperdb.DEBUG, 'setnode', (self, classname, nodeid, node)
430
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diff changeset
225 self.dirtynodes.setdefault(classname, {})[nodeid] = 1
676
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diff changeset
226
430
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diff changeset
227 # can't set without having already loaded the node
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diff changeset
228 self.cache[classname][nodeid] = node
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diff changeset
229 self.savenode(classname, nodeid, node)
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diff changeset
230
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diff changeset
231 def savenode(self, classname, nodeid, node):
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diff changeset
232 ''' perform the saving of data specified by the set/addnode
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diff changeset
233 '''
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234 if __debug__:
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diff changeset
235 print >>hyperdb.DEBUG, 'savenode', (self, classname, nodeid, node)
430
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diff changeset
236 self.transactions.append((self._doSaveNode, (classname, nodeid, node)))
46
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diff changeset
237
475
a1a44636bace Fix breakage caused by transaction changes.
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diff changeset
238 def getnode(self, classname, nodeid, db=None, cache=1):
460
9c895b44240a take a copy of the node dict...
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diff changeset
239 ''' get a node from the database
46
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240 '''
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241 if __debug__:
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242 print >>hyperdb.DEBUG, 'getnode', (self, classname, nodeid, db)
475
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diff changeset
243 if cache:
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diff changeset
244 # try the cache
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diff changeset
245 cache_dict = self.cache.setdefault(classname, {})
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diff changeset
246 if cache_dict.has_key(nodeid):
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diff changeset
247 if __debug__:
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diff changeset
248 print >>hyperdb.TRACE, 'get %s %s cached'%(classname,
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diff changeset
249 nodeid)
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diff changeset
250 return cache_dict[nodeid]
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diff changeset
251
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diff changeset
252 if __debug__:
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diff changeset
253 print >>hyperdb.TRACE, 'get %s %s'%(classname, nodeid)
430
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diff changeset
254
350685601f37 Database transactions.
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diff changeset
255 # 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
256 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
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diff changeset
257 db = self.getclassdb(classname)
46
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diff changeset
258 if not db.has_key(nodeid):
475
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diff changeset
259 raise IndexError, "no such %s %s"%(classname, nodeid)
676
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diff changeset
260
bc46480e2a2b Fixed serialisation problem...
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diff changeset
261 # decode
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diff changeset
262 res = marshal.loads(db[nodeid])
676
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diff changeset
263
bc46480e2a2b Fixed serialisation problem...
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diff changeset
264 # reverse the serialisation
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diff changeset
265 res = self.unserialise(classname, res)
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diff changeset
266
719
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diff changeset
267 # store off in the cache dict
475
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diff changeset
268 if cache:
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diff changeset
269 cache_dict[nodeid] = res
676
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parents: 650
diff changeset
270
46
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parents:
diff changeset
271 return res
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parents:
diff changeset
272
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
273 def serialise(self, classname, node):
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274 '''Copy the node contents, converting non-marshallable data into
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275 marshallable data.
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276 '''
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277 if __debug__:
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278 print >>hyperdb.DEBUG, 'serialise', classname, node
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279 properties = self.getclass(classname).getprops()
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280 d = {}
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281 for k, v in node.items():
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diff changeset
282 # if the property doesn't exist, or is the "retired" flag then
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283 # it won't be in the properties dict
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diff changeset
284 if not properties.has_key(k):
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diff changeset
285 d[k] = v
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
286 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
287
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
288 # get the property spec
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289 prop = properties[k]
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290
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
291 if isinstance(prop, Password):
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diff changeset
292 d[k] = str(v)
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diff changeset
293 elif isinstance(prop, Date) and v is not None:
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294 d[k] = v.get_tuple()
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diff changeset
295 elif isinstance(prop, Interval) and v is not None:
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diff changeset
296 d[k] = v.get_tuple()
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diff changeset
297 else:
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diff changeset
298 d[k] = v
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diff changeset
299 return d
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diff changeset
300
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
301 def unserialise(self, classname, node):
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302 '''Decode the marshalled node data
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
303 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
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diff changeset
304 if __debug__:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
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diff changeset
305 print >>hyperdb.DEBUG, 'unserialise', classname, node
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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parents: 843
diff changeset
306 properties = self.getclass(classname).getprops()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
307 d = {}
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diff changeset
308 for k, v in node.items():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
309 # if the property doesn't exist, or is the "retired" flag then
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
310 # it won't be in the properties dict
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diff changeset
311 if not properties.has_key(k):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
312 d[k] = v
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
313 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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parents: 843
diff changeset
314
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
315 # get the property spec
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
316 prop = properties[k]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
317
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
318 if isinstance(prop, Date) and v is not None:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
319 d[k] = date.Date(v)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
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diff changeset
320 elif isinstance(prop, Interval) and v is not None:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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parents: 843
diff changeset
321 d[k] = date.Interval(v)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
322 elif isinstance(prop, Password):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
323 p = password.Password()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
324 p.unpack(v)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
325 d[k] = p
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
326 else:
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diff changeset
327 d[k] = v
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
328 return d
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
329
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
330 def hasnode(self, classname, nodeid, db=None):
460
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
331 ''' determine if the database has a given node
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
332 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
333 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
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parents: 697
diff changeset
334 print >>hyperdb.DEBUG, 'hasnode', (self, classname, nodeid, db)
fed4c363a7f3 node caching now works, and gives a small boost in performance
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diff changeset
335
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
336 # try the cache
350685601f37 Database transactions.
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parents: 394
diff changeset
337 cache = self.cache.setdefault(classname, {})
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
338 if cache.has_key(nodeid):
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
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diff changeset
339 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
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diff changeset
340 print >>hyperdb.TRACE, 'has %s %s cached'%(classname, nodeid)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
341 return 1
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
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diff changeset
342 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
343 print >>hyperdb.TRACE, 'has %s %s'%(classname, nodeid)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
344
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
345 # not in the cache - check the database
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
346 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
347 db = self.getclassdb(classname)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
348 res = db.has_key(nodeid)
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
349 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
350
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
351 def countnodes(self, classname, db=None):
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
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diff changeset
352 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
353 print >>hyperdb.DEBUG, 'countnodes', (self, classname, db)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
354 # include the new nodes not saved to the DB yet
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
355 count = len(self.newnodes.get(classname, {}))
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
356
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
357 # and count those in the DB
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
358 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
359 db = self.getclassdb(classname)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
360 count = count + len(db.keys())
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
361 return count
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
362
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
363 def getnodeids(self, classname, db=None):
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
364 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
365 print >>hyperdb.DEBUG, 'getnodeids', (self, classname, db)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
366 # start off with the new nodes
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
367 res = self.newnodes.get(classname, {}).keys()
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
368
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
369 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
370 db = self.getclassdb(classname)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
371 res = res + db.keys()
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
372 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
373
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
374
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
375 #
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
376 # 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
377 # inherited from FileStorage
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
378
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
379 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
380 # Journal
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
381 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
382 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
383 ''' Journal the Action
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
384 'action' may be:
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
385
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
386 '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
387 '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
388 'retire' -- 'params' is None
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
389 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
390 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
391 print >>hyperdb.DEBUG, 'addjournal', (self, classname, nodeid,
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
392 action, params)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
393 self.transactions.append((self._doSaveJournal, (classname, nodeid,
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
394 action, params)))
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
395
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
396 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
397 ''' get the journal for id
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
398 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
399 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
400 print >>hyperdb.DEBUG, 'getjournal', (self, classname, nodeid)
48
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
401 # 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
402 # not exist
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
403 try:
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
404 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
405 except anydbm.error, error:
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
406 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
407 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
408 return []
787
b6b0a92e0738 More informative error message
Richard Jones <richard@users.sourceforge.net>
parents: 778
diff changeset
409 try:
b6b0a92e0738 More informative error message
Richard Jones <richard@users.sourceforge.net>
parents: 778
diff changeset
410 journal = marshal.loads(db[nodeid])
b6b0a92e0738 More informative error message
Richard Jones <richard@users.sourceforge.net>
parents: 778
diff changeset
411 except KeyError:
843
01f9d02faea1 ...except of course it's nice to use valid Python syntax
Richard Jones <richard@users.sourceforge.net>
parents: 842
diff changeset
412 db.close()
787
b6b0a92e0738 More informative error message
Richard Jones <richard@users.sourceforge.net>
parents: 778
diff changeset
413 raise KeyError, 'no such %s %s'%(classname, nodeid)
843
01f9d02faea1 ...except of course it's nice to use valid Python syntax
Richard Jones <richard@users.sourceforge.net>
parents: 842
diff changeset
414 db.close()
48
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
415 res = []
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
416 for entry in journal:
624
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
417 (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
418 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
419 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
420 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
421
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
422 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
423 ''' delete all journal entries before 'pack_before' '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
424 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
425 print >>hyperdb.DEBUG, 'packjournal', (self, pack_before)
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
426
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
427 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
428
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
429 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
430
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
431 # 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
432 # _opendb.
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
433 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
434 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
435 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
436 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
437 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
438 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
439 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
440 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
441
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
442 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
443 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
444 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
445
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
446 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
447 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
448 l = []
567
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
449 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
450 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
451 (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
452 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
453 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
454 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
455 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
456 # 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
457 # activity
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
458 last_set_entry = entry
567
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
459 if last_set_entry:
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
460 date_stamp = last_set_entry[1]
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
461 # 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
462 # 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
463 if date_stamp < pack_before:
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
464 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
465 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
466 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
467 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
468 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
469
46
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 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
472 # Basic transaction support
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
473 #
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
474 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
475 ''' 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
476 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
477 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
478 print >>hyperdb.DEBUG, 'commit', (self,)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
479 # TODO: lock the DB
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
480
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
481 # keep a handle to all the database files opened
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
482 self.databases = {}
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
483
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
484 # now, do all the transactions
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
485 reindex = {}
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
486 for method, args in self.transactions:
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
487 reindex[method(*args)] = 1
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
488
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
489 # now close all the database files
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
490 for db in self.databases.values():
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
491 db.close()
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
492 del self.databases
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
493 # 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
494
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
495 # reindex the nodes that request it
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
496 for classname, nodeid in filter(None, reindex.keys()):
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
497 print >>hyperdb.DEBUG, 'commit.reindex', (classname, nodeid)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
498 self.getclass(classname).index(nodeid)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
499
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
500 # save the indexer state
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
501 self.indexer.save_index()
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
502
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
503 # all transactions committed, back to normal
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
504 self.cache = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
505 self.dirtynodes = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
506 self.newnodes = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
507 self.transactions = []
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
508
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
509 def _doSaveNode(self, classname, nodeid, node):
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
510 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
511 print >>hyperdb.DEBUG, '_doSaveNode', (self, classname, nodeid,
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
512 node)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
513
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
514 # get the database handle
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
515 db_name = 'nodes.%s'%classname
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
516 if self.databases.has_key(db_name):
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
517 db = self.databases[db_name]
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
518 else:
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
519 db = self.databases[db_name] = self.getclassdb(classname, 'c')
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
520
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
521 # now save the marshalled data
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
522 db[nodeid] = marshal.dumps(self.serialise(classname, node))
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
523
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
524 # return the classname, nodeid so we reindex this content
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
525 return (classname, nodeid)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
526
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
527 def _doSaveJournal(self, classname, nodeid, action, params):
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
528 # serialise first
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
529 if action in ('set', 'create'):
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
530 params = self.serialise(classname, params)
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
531
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
532 # create the journal entry
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
533 entry = (nodeid, date.Date().get_tuple(), self.journaltag, action,
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
534 params)
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
535
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
536 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
537 print >>hyperdb.DEBUG, '_doSaveJournal', entry
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
538
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
539 # get the database handle
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
540 db_name = 'journals.%s'%classname
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
541 if self.databases.has_key(db_name):
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
542 db = self.databases[db_name]
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
543 else:
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
544 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
545
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
546 # now insert the journal entry
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
547 if db.has_key(nodeid):
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
548 # append to existing
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
549 s = db[nodeid]
650
9b2575610953 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 646
diff changeset
550 l = marshal.loads(s)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
551 l.append(entry)
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
552 else:
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
553 l = [entry]
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
554
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
555 db[nodeid] = marshal.dumps(l)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
556
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
557 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
558 ''' 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
559 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
560 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
561 print >>hyperdb.DEBUG, 'rollback', (self, )
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
562 for method, args in self.transactions:
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
563 # delete temporary files
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
564 if method == self._doStoreFile:
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
565 self._rollbackStoreFile(*args)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
566 self.cache = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
567 self.dirtynodes = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
568 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
569 self.transactions = []
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
570
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
571 _marker = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
572 class Class(hyperdb.Class):
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Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
573 """The handle to a particular class of nodes in a hyperdatabase."""
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
574
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
575 def __init__(self, db, classname, **properties):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
576 """Create a new class with a given name and property specification.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
577
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
578 'classname' must not collide with the name of an existing class,
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
579 or a ValueError is raised. The keyword arguments in 'properties'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
580 must map names to property objects, or a TypeError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
581 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
582 if (properties.has_key('creation') or properties.has_key('activity')
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
583 or properties.has_key('creator')):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
584 raise ValueError, '"creation", "activity" and "creator" are '\
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
585 'reserved'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
586
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
587 self.classname = classname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
588 self.properties = properties
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
589 self.db = weakref.proxy(db) # use a weak ref to avoid circularity
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
590 self.key = ''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
591
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
592 # should we journal changes (default yes)
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
593 self.do_journal = 1
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
594
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
595 # do the db-related init stuff
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
596 db.addclass(self)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
597
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
598 self.auditors = {'create': [], 'set': [], 'retire': []}
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
599 self.reactors = {'create': [], 'set': [], 'retire': []}
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
600
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
601 def enableJournalling(self):
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
602 '''Turn journalling on for this class
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
603 '''
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
604 self.do_journal = 1
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
605
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
606 def disableJournalling(self):
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
607 '''Turn journalling off for this class
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
608 '''
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
609 self.do_journal = 0
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
610
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
611 # Editing nodes:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
612
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
613 def create(self, **propvalues):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
614 """Create a new node of this class and return its id.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
615
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
616 The keyword arguments in 'propvalues' map property names to values.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
617
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
618 The values of arguments must be acceptable for the types of their
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
619 corresponding properties or a TypeError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
620
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
621 If this class has a key property, it must be present and its value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
622 must not collide with other key strings or a ValueError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
623
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
624 Any other properties on this class that are missing from the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
625 'propvalues' dictionary are set to None.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
626
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
627 If an id in a link or multilink property does not refer to a valid
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
628 node, an IndexError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
629
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
630 These operations trigger detectors and can be vetoed. Attempts
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
631 to modify the "creation" or "activity" properties cause a KeyError.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
632 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
633 if propvalues.has_key('id'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
634 raise KeyError, '"id" is reserved'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
635
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
636 if self.db.journaltag is None:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
637 raise DatabaseError, 'Database open read-only'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
638
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
639 if propvalues.has_key('creation') or propvalues.has_key('activity'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
640 raise KeyError, '"creation" and "activity" are reserved'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
641
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
642 self.fireAuditors('create', None, propvalues)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
643
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
644 # new node's id
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
645 newid = self.db.newid(self.classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
646
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
647 # validate propvalues
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
648 num_re = re.compile('^\d+$')
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
649 for key, value in propvalues.items():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
650 if key == self.key:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
651 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
652 self.lookup(value)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
653 except KeyError:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
654 pass
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
655 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
656 raise ValueError, 'node with key "%s" exists'%value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
657
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
658 # try to handle this property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
659 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
660 prop = self.properties[key]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
661 except KeyError:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
662 raise KeyError, '"%s" has no property "%s"'%(self.classname,
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
663 key)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
664
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
665 if isinstance(prop, Link):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
666 if type(value) != type(''):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
667 raise ValueError, 'link value must be String'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
668 link_class = self.properties[key].classname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
669 # if it isn't a number, it's a key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
670 if not num_re.match(value):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
671 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
672 value = self.db.classes[link_class].lookup(value)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
673 except (TypeError, KeyError):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
674 raise IndexError, 'new property "%s": %s not a %s'%(
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
675 key, value, link_class)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
676 elif not self.db.hasnode(link_class, value):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
677 raise IndexError, '%s has no node %s'%(link_class, value)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
678
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
679 # save off the value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
680 propvalues[key] = value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
681
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
682 # register the link with the newly linked node
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
683 if self.do_journal and self.properties[key].do_journal:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
684 self.db.addjournal(link_class, value, 'link',
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
685 (self.classname, newid, key))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
686
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
687 elif isinstance(prop, Multilink):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
688 if type(value) != type([]):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
689 raise TypeError, 'new property "%s" not a list of ids'%key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
690
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
691 # clean up and validate the list of links
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
692 link_class = self.properties[key].classname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
693 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
694 for entry in value:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
695 if type(entry) != type(''):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
696 raise ValueError, '"%s" link value (%s) must be '\
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
697 'String'%(key, value)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
698 # if it isn't a number, it's a key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
699 if not num_re.match(entry):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
700 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
701 entry = self.db.classes[link_class].lookup(entry)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
702 except (TypeError, KeyError):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
703 raise IndexError, 'new property "%s": %s not a %s'%(
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
704 key, entry, self.properties[key].classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
705 l.append(entry)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
706 value = l
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
707 propvalues[key] = value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
708
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
709 # handle additions
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
710 for id in value:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
711 if not self.db.hasnode(link_class, id):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
712 raise IndexError, '%s has no node %s'%(link_class, id)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
713 # register the link with the newly linked node
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
714 if self.do_journal and self.properties[key].do_journal:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
715 self.db.addjournal(link_class, id, 'link',
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
716 (self.classname, newid, key))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
717
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
718 elif isinstance(prop, String):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
719 if type(value) != type(''):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
720 raise TypeError, 'new property "%s" not a string'%key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
721
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
722 elif isinstance(prop, Password):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
723 if not isinstance(value, password.Password):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
724 raise TypeError, 'new property "%s" not a Password'%key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
725
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
726 elif isinstance(prop, Date):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
727 if value is not None and not isinstance(value, date.Date):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
728 raise TypeError, 'new property "%s" not a Date'%key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
729
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
730 elif isinstance(prop, Interval):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
731 if value is not None and not isinstance(value, date.Interval):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
732 raise TypeError, 'new property "%s" not an Interval'%key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
733
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
734 # make sure there's data where there needs to be
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
735 for key, prop in self.properties.items():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
736 if propvalues.has_key(key):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
737 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
738 if key == self.key:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
739 raise ValueError, 'key property "%s" is required'%key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
740 if isinstance(prop, Multilink):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
741 propvalues[key] = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
742 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
743 # TODO: None isn't right here, I think...
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
744 propvalues[key] = None
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
745
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
746 # done
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
747 self.db.addnode(self.classname, newid, propvalues)
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
748 if self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
749 self.db.addjournal(self.classname, newid, 'create', propvalues)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
750
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
751 self.fireReactors('create', newid, None)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
752
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
753 return newid
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
754
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
755 def get(self, nodeid, propname, default=_marker, cache=1):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
756 """Get the value of a property on an existing node of this class.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
757
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
758 'nodeid' must be the id of an existing node of this class or an
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
759 IndexError is raised. 'propname' must be the name of a property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
760 of this class or a KeyError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
761
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
762 'cache' indicates whether the transaction cache should be queried
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
763 for the node. If the node has been modified and you need to
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
764 determine what its values prior to modification are, you need to
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
765 set cache=0.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
766
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
767 Attempts to get the "creation" or "activity" properties should
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
768 do the right thing.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
769 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
770 if propname == 'id':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
771 return nodeid
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
772
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
773 if propname == 'creation':
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
774 if not self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
775 raise ValueError, 'Journalling is disabled for this class'
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
776 journal = self.db.getjournal(self.classname, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
777 if journal:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
778 return self.db.getjournal(self.classname, nodeid)[0][1]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
779 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
780 # on the strange chance that there's no journal
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
781 return date.Date()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
782 if propname == 'activity':
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
783 if not self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
784 raise ValueError, 'Journalling is disabled for this class'
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
785 journal = self.db.getjournal(self.classname, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
786 if journal:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
787 return self.db.getjournal(self.classname, nodeid)[-1][1]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
788 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
789 # on the strange chance that there's no journal
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
790 return date.Date()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
791 if propname == 'creator':
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
792 if not self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
793 raise ValueError, 'Journalling is disabled for this class'
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
794 journal = self.db.getjournal(self.classname, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
795 if journal:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
796 name = self.db.getjournal(self.classname, nodeid)[0][2]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
797 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
798 return None
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
799 return self.db.user.lookup(name)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
800
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
801 # get the property (raises KeyErorr if invalid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
802 prop = self.properties[propname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
803
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
804 # get the node's dict
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
805 d = self.db.getnode(self.classname, nodeid, cache=cache)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
806
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
807 if not d.has_key(propname):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
808 if default is _marker:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
809 if isinstance(prop, Multilink):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
810 return []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
811 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
812 # TODO: None isn't right here, I think...
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
813 return None
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
814 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
815 return default
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
816
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
817 return d[propname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
818
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
819 # XXX not in spec
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
820 def getnode(self, nodeid, cache=1):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
821 ''' Return a convenience wrapper for the node.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
822
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
823 'nodeid' must be the id of an existing node of this class or an
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
824 IndexError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
825
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
826 'cache' indicates whether the transaction cache should be queried
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
827 for the node. If the node has been modified and you need to
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
828 determine what its values prior to modification are, you need to
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
829 set cache=0.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
830 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
831 return Node(self, nodeid, cache=cache)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
832
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
833 def set(self, nodeid, **propvalues):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
834 """Modify a property on an existing node of this class.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
835
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
836 'nodeid' must be the id of an existing node of this class or an
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
837 IndexError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
838
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
839 Each key in 'propvalues' must be the name of a property of this
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
840 class or a KeyError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
841
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
842 All values in 'propvalues' must be acceptable types for their
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
843 corresponding properties or a TypeError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
844
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
845 If the value of the key property is set, it must not collide with
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
846 other key strings or a ValueError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
847
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
848 If the value of a Link or Multilink property contains an invalid
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
849 node id, a ValueError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
850
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
851 These operations trigger detectors and can be vetoed. Attempts
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
852 to modify the "creation" or "activity" properties cause a KeyError.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
853 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
854 if not propvalues:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
855 return
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
856
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
857 if propvalues.has_key('creation') or propvalues.has_key('activity'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
858 raise KeyError, '"creation" and "activity" are reserved'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
859
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
860 if propvalues.has_key('id'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
861 raise KeyError, '"id" is reserved'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
862
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
863 if self.db.journaltag is None:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
864 raise DatabaseError, 'Database open read-only'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
865
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
866 self.fireAuditors('set', nodeid, propvalues)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
867 # Take a copy of the node dict so that the subsequent set
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
868 # operation doesn't modify the oldvalues structure.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
869 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
870 # try not using the cache initially
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
871 oldvalues = copy.deepcopy(self.db.getnode(self.classname, nodeid,
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
872 cache=0))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
873 except IndexError:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
874 # this will be needed if somone does a create() and set()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
875 # with no intervening commit()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
876 oldvalues = copy.deepcopy(self.db.getnode(self.classname, nodeid))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
877
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
878 node = self.db.getnode(self.classname, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
879 if node.has_key(self.db.RETIRED_FLAG):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
880 raise IndexError
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
881 num_re = re.compile('^\d+$')
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
882 for key, value in propvalues.items():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
883 # check to make sure we're not duplicating an existing key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
884 if key == self.key and node[key] != value:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
885 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
886 self.lookup(value)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
887 except KeyError:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
888 pass
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
889 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
890 raise ValueError, 'node with key "%s" exists'%value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
891
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
892 # this will raise the KeyError if the property isn't valid
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
893 # ... we don't use getprops() here because we only care about
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
894 # the writeable properties.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
895 prop = self.properties[key]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
896
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
897 # if the value's the same as the existing value, no sense in
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
898 # doing anything
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
899 if node.has_key(key) and value == node[key]:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
900 del propvalues[key]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
901 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
902
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
903 # do stuff based on the prop type
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
904 if isinstance(prop, Link):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
905 link_class = self.properties[key].classname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
906 # if it isn't a number, it's a key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
907 if type(value) != type(''):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
908 raise ValueError, 'link value must be String'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
909 if not num_re.match(value):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
910 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
911 value = self.db.classes[link_class].lookup(value)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
912 except (TypeError, KeyError):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
913 raise IndexError, 'new property "%s": %s not a %s'%(
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
914 key, value, self.properties[key].classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
915
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
916 if not self.db.hasnode(link_class, value):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
917 raise IndexError, '%s has no node %s'%(link_class, value)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
918
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
919 if self.do_journal and self.properties[key].do_journal:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
920 # register the unlink with the old linked node
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
921 if node[key] is not None:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
922 self.db.addjournal(link_class, node[key], 'unlink',
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
923 (self.classname, nodeid, key))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
924
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
925 # register the link with the newly linked node
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
926 if value is not None:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
927 self.db.addjournal(link_class, value, 'link',
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
928 (self.classname, nodeid, key))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
929
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
930 elif isinstance(prop, Multilink):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
931 if type(value) != type([]):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
932 raise TypeError, 'new property "%s" not a list of ids'%key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
933 link_class = self.properties[key].classname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
934 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
935 for entry in value:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
936 # if it isn't a number, it's a key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
937 if type(entry) != type(''):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
938 raise ValueError, 'new property "%s" link value ' \
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
939 'must be a string'%key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
940 if not num_re.match(entry):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
941 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
942 entry = self.db.classes[link_class].lookup(entry)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
943 except (TypeError, KeyError):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
944 raise IndexError, 'new property "%s": %s not a %s'%(
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
945 key, entry, self.properties[key].classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
946 l.append(entry)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
947 value = l
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
948 propvalues[key] = value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
949
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
950 # handle removals
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
951 if node.has_key(key):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
952 l = node[key]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
953 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
954 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
955 for id in l[:]:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
956 if id in value:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
957 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
958 # register the unlink with the old linked node
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
959 if self.do_journal and self.properties[key].do_journal:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
960 self.db.addjournal(link_class, id, 'unlink',
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
961 (self.classname, nodeid, key))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
962 l.remove(id)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
963
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
964 # handle additions
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
965 for id in value:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
966 if not self.db.hasnode(link_class, id):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
967 raise IndexError, '%s has no node %s'%(
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
968 link_class, id)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
969 if id in l:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
970 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
971 # register the link with the newly linked node
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
972 if self.do_journal and self.properties[key].do_journal:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
973 self.db.addjournal(link_class, id, 'link',
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
974 (self.classname, nodeid, key))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
975 l.append(id)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
976
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
977 elif isinstance(prop, String):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
978 if value is not None and type(value) != type(''):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
979 raise TypeError, 'new property "%s" not a string'%key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
980
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
981 elif isinstance(prop, Password):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
982 if not isinstance(value, password.Password):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
983 raise TypeError, 'new property "%s" not a Password'% key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
984 propvalues[key] = value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
985
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
986 elif value is not None and isinstance(prop, Date):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
987 if not isinstance(value, date.Date):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
988 raise TypeError, 'new property "%s" not a Date'% key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
989 propvalues[key] = value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
990
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
991 elif value is not None and isinstance(prop, Interval):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
992 if not isinstance(value, date.Interval):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
993 raise TypeError, 'new property "%s" not an Interval'% key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
994 propvalues[key] = value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
995
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
996 node[key] = value
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
997
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
998 # nothing to do?
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
999 if not propvalues:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1000 return
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1001
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1002 # do the set, and journal it
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1003 self.db.setnode(self.classname, nodeid, node)
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1004 if self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1005 self.db.addjournal(self.classname, nodeid, 'set', propvalues)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1006
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1007 self.fireReactors('set', nodeid, oldvalues)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1008
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1009 def retire(self, nodeid):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1010 """Retire a node.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1011
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1012 The properties on the node remain available from the get() method,
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1013 and the node's id is never reused.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1014
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1015 Retired nodes are not returned by the find(), list(), or lookup()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1016 methods, and other nodes may reuse the values of their key properties.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1017
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1018 These operations trigger detectors and can be vetoed. Attempts
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1019 to modify the "creation" or "activity" properties cause a KeyError.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1020 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1021 if self.db.journaltag is None:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1022 raise DatabaseError, 'Database open read-only'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1023
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1024 self.fireAuditors('retire', nodeid, None)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1025
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1026 node = self.db.getnode(self.classname, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1027 node[self.db.RETIRED_FLAG] = 1
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1028 self.db.setnode(self.classname, nodeid, node)
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1029 if self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1030 self.db.addjournal(self.classname, nodeid, 'retired', None)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1031
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1032 self.fireReactors('retire', nodeid, None)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1033
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1034 def history(self, nodeid):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1035 """Retrieve the journal of edits on a particular node.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1036
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1037 'nodeid' must be the id of an existing node of this class or an
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1038 IndexError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1039
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1040 The returned list contains tuples of the form
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1041
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1042 (date, tag, action, params)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1043
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1044 'date' is a Timestamp object specifying the time of the change and
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1045 'tag' is the journaltag specified when the database was opened.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1046 """
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1047 if not self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1048 raise ValueError, 'Journalling is disabled for this class'
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1049 return self.db.getjournal(self.classname, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1050
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1051 # Locating nodes:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1052 def hasnode(self, nodeid):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1053 '''Determine if the given nodeid actually exists
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1054 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1055 return self.db.hasnode(self.classname, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1056
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1057 def setkey(self, propname):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1058 """Select a String property of this class to be the key property.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1059
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1060 'propname' must be the name of a String property of this class or
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1061 None, or a TypeError is raised. The values of the key property on
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1062 all existing nodes must be unique or a ValueError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1063 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1064 # TODO: validate that the property is a String!
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1065 self.key = propname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1066
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1067 def getkey(self):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1068 """Return the name of the key property for this class or None."""
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1069 return self.key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1070
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1071 def labelprop(self, default_to_id=0):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1072 ''' Return the property name for a label for the given node.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1073
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1074 This method attempts to generate a consistent label for the node.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1075 It tries the following in order:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1076 1. key property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1077 2. "name" property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1078 3. "title" property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1079 4. first property from the sorted property name list
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1080 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1081 k = self.getkey()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1082 if k:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1083 return k
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1084 props = self.getprops()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1085 if props.has_key('name'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1086 return 'name'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1087 elif props.has_key('title'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1088 return 'title'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1089 if default_to_id:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1090 return 'id'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1091 props = props.keys()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1092 props.sort()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1093 return props[0]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1094
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1095 # TODO: set up a separate index db file for this? profile?
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1096 def lookup(self, keyvalue):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1097 """Locate a particular node by its key property and return its id.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1098
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1099 If this class has no key property, a TypeError is raised. If the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1100 'keyvalue' matches one of the values for the key property among
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1101 the nodes in this class, the matching node's id is returned;
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1102 otherwise a KeyError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1103 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1104 cldb = self.db.getclassdb(self.classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1105 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1106 for nodeid in self.db.getnodeids(self.classname, cldb):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1107 node = self.db.getnode(self.classname, nodeid, cldb)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1108 if node.has_key(self.db.RETIRED_FLAG):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1109 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1110 if node[self.key] == keyvalue:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1111 cldb.close()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1112 return nodeid
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1113 finally:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1114 cldb.close()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1115 raise KeyError, keyvalue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1116
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1117 # XXX: change from spec - allows multiple props to match
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1118 def find(self, **propspec):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1119 """Get the ids of nodes in this class which link to the given nodes.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1120
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1121 'propspec' consists of keyword args propname={nodeid:1,}
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1122 'propname' must be the name of a property in this class, or a
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1123 KeyError is raised. That property must be a Link or Multilink
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1124 property, or a TypeError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1125
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1126 Any node in this class whose 'propname' property links to any of the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1127 nodeids will be returned. Used by the full text indexing, which knows
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1128 that "foo" occurs in msg1, msg3 and file7, so we have hits on these issues:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1129 db.issue.find(messages={'1':1,'3':1}, files={'7':1})
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1130 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1131 propspec = propspec.items()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1132 for propname, nodeids in propspec:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1133 # check the prop is OK
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1134 prop = self.properties[propname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1135 if not isinstance(prop, Link) and not isinstance(prop, Multilink):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1136 raise TypeError, "'%s' not a Link/Multilink property"%propname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1137 #XXX edit is expensive and of questionable use
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1138 #for nodeid in nodeids:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1139 # if not self.db.hasnode(prop.classname, nodeid):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1140 # raise ValueError, '%s has no node %s'%(prop.classname, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1141
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1142 # ok, now do the find
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1143 cldb = self.db.getclassdb(self.classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1144 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1145 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1146 for id in self.db.getnodeids(self.classname, db=cldb):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1147 node = self.db.getnode(self.classname, id, db=cldb)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1148 if node.has_key(self.db.RETIRED_FLAG):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1149 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1150 for propname, nodeids in propspec:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1151 # can't test if the node doesn't have this property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1152 if not node.has_key(propname):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1153 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1154 if type(nodeids) is type(''):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1155 nodeids = {nodeids:1}
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1156 prop = self.properties[propname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1157 value = node[propname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1158 if isinstance(prop, Link) and nodeids.has_key(value):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1159 l.append(id)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1160 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1161 elif isinstance(prop, Multilink):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1162 hit = 0
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1163 for v in value:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1164 if nodeids.has_key(v):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1165 l.append(id)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1166 hit = 1
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1167 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1168 if hit:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1169 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1170 finally:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1171 cldb.close()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1172 return l
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1173
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1174 def stringFind(self, **requirements):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1175 """Locate a particular node by matching a set of its String
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1176 properties in a caseless search.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1177
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1178 If the property is not a String property, a TypeError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1179
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1180 The return is a list of the id of all nodes that match.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1181 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1182 for propname in requirements.keys():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1183 prop = self.properties[propname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1184 if isinstance(not prop, String):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1185 raise TypeError, "'%s' not a String property"%propname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1186 requirements[propname] = requirements[propname].lower()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1187 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1188 cldb = self.db.getclassdb(self.classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1189 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1190 for nodeid in self.db.getnodeids(self.classname, cldb):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1191 node = self.db.getnode(self.classname, nodeid, cldb)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1192 if node.has_key(self.db.RETIRED_FLAG):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1193 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1194 for key, value in requirements.items():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1195 if node[key] and node[key].lower() != value:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1196 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1197 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1198 l.append(nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1199 finally:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1200 cldb.close()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1201 return l
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1202
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1203 def list(self):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1204 """Return a list of the ids of the active nodes in this class."""
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1205 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1206 cn = self.classname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1207 cldb = self.db.getclassdb(cn)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1208 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1209 for nodeid in self.db.getnodeids(cn, cldb):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1210 node = self.db.getnode(cn, nodeid, cldb)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1211 if node.has_key(self.db.RETIRED_FLAG):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1212 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1213 l.append(nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1214 finally:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1215 cldb.close()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1216 l.sort()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1217 return l
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1218
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1219 # XXX not in spec
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1220 def filter(self, search_matches, filterspec, sort, group,
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1221 num_re = re.compile('^\d+$')):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1222 ''' Return a list of the ids of the active nodes in this class that
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1223 match the 'filter' spec, sorted by the group spec and then the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1224 sort spec
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1225 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1226 cn = self.classname
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1227
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1228 # optimise filterspec
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1229 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1230 props = self.getprops()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1231 for k, v in filterspec.items():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1232 propclass = props[k]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1233 if isinstance(propclass, Link):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1234 if type(v) is not type([]):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1235 v = [v]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1236 # replace key values with node ids
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1237 u = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1238 link_class = self.db.classes[propclass.classname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1239 for entry in v:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1240 if entry == '-1': entry = None
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1241 elif not num_re.match(entry):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1242 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1243 entry = link_class.lookup(entry)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1244 except (TypeError,KeyError):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1245 raise ValueError, 'property "%s": %s not a %s'%(
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1246 k, entry, self.properties[k].classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1247 u.append(entry)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1248
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1249 l.append((0, k, u))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1250 elif isinstance(propclass, Multilink):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1251 if type(v) is not type([]):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1252 v = [v]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1253 # replace key values with node ids
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1254 u = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1255 link_class = self.db.classes[propclass.classname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1256 for entry in v:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1257 if not num_re.match(entry):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1258 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1259 entry = link_class.lookup(entry)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1260 except (TypeError,KeyError):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1261 raise ValueError, 'new property "%s": %s not a %s'%(
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1262 k, entry, self.properties[k].classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1263 u.append(entry)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1264 l.append((1, k, u))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1265 elif isinstance(propclass, String):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1266 # simple glob searching
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1267 v = re.sub(r'([\|\{\}\\\.\+\[\]\(\)])', r'\\\1', v)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1268 v = v.replace('?', '.')
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1269 v = v.replace('*', '.*?')
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1270 l.append((2, k, re.compile(v, re.I)))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1271 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1272 l.append((6, k, v))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1273 filterspec = l
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1274
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1275 # now, find all the nodes that are active and pass filtering
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1276 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1277 cldb = self.db.getclassdb(cn)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1278 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1279 for nodeid in self.db.getnodeids(cn, cldb):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1280 node = self.db.getnode(cn, nodeid, cldb)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1281 if node.has_key(self.db.RETIRED_FLAG):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1282 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1283 # apply filter
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1284 for t, k, v in filterspec:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1285 # this node doesn't have this property, so reject it
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1286 if not node.has_key(k): break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1287
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1288 if t == 0 and node[k] not in v:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1289 # link - if this node'd property doesn't appear in the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1290 # filterspec's nodeid list, skip it
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1291 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1292 elif t == 1:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1293 # multilink - if any of the nodeids required by the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1294 # filterspec aren't in this node's property, then skip
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1295 # it
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1296 for value in v:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1297 if value not in node[k]:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1298 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1299 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1300 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1301 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1302 elif t == 2 and (node[k] is None or not v.search(node[k])):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1303 # RE search
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1304 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1305 elif t == 6 and node[k] != v:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1306 # straight value comparison for the other types
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1307 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1308 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1309 l.append((nodeid, node))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1310 finally:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1311 cldb.close()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1312 l.sort()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1313
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1314 # filter based on full text search
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1315 if search_matches is not None:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1316 k = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1317 l_debug = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1318 for v in l:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1319 l_debug.append(v[0])
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1320 if search_matches.has_key(v[0]):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1321 k.append(v)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1322 l = k
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1323
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1324 # optimise sort
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1325 m = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1326 for entry in sort:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1327 if entry[0] != '-':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1328 m.append(('+', entry))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1329 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1330 m.append((entry[0], entry[1:]))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1331 sort = m
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1332
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1333 # optimise group
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1334 m = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1335 for entry in group:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1336 if entry[0] != '-':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1337 m.append(('+', entry))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1338 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1339 m.append((entry[0], entry[1:]))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1340 group = m
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1341 # now, sort the result
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1342 def sortfun(a, b, sort=sort, group=group, properties=self.getprops(),
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1343 db = self.db, cl=self):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1344 a_id, an = a
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1345 b_id, bn = b
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1346 # sort by group and then sort
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1347 for list in group, sort:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1348 for dir, prop in list:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1349 # sorting is class-specific
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1350 propclass = properties[prop]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1351
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1352 # handle the properties that might be "faked"
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1353 # also, handle possible missing properties
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1354 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1355 if not an.has_key(prop):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1356 an[prop] = cl.get(a_id, prop)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1357 av = an[prop]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1358 except KeyError:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1359 # the node doesn't have a value for this property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1360 if isinstance(propclass, Multilink): av = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1361 else: av = ''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1362 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1363 if not bn.has_key(prop):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1364 bn[prop] = cl.get(b_id, prop)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1365 bv = bn[prop]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1366 except KeyError:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1367 # the node doesn't have a value for this property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1368 if isinstance(propclass, Multilink): bv = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1369 else: bv = ''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1370
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1371 # String and Date values are sorted in the natural way
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1372 if isinstance(propclass, String):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1373 # clean up the strings
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1374 if av and av[0] in string.uppercase:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1375 av = an[prop] = av.lower()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1376 if bv and bv[0] in string.uppercase:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1377 bv = bn[prop] = bv.lower()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1378 if (isinstance(propclass, String) or
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1379 isinstance(propclass, Date)):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1380 # it might be a string that's really an integer
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1381 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1382 av = int(av)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1383 bv = int(bv)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1384 except:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1385 pass
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1386 if dir == '+':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1387 r = cmp(av, bv)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1388 if r != 0: return r
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1389 elif dir == '-':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1390 r = cmp(bv, av)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1391 if r != 0: return r
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1392
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1393 # Link properties are sorted according to the value of
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1394 # the "order" property on the linked nodes if it is
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1395 # present; or otherwise on the key string of the linked
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1396 # nodes; or finally on the node ids.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1397 elif isinstance(propclass, Link):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1398 link = db.classes[propclass.classname]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1399 if av is None and bv is not None: return -1
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1400 if av is not None and bv is None: return 1
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1401 if av is None and bv is None: continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1402 if link.getprops().has_key('order'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1403 if dir == '+':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1404 r = cmp(link.get(av, 'order'),
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1405 link.get(bv, 'order'))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1406 if r != 0: return r
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1407 elif dir == '-':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1408 r = cmp(link.get(bv, 'order'),
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1409 link.get(av, 'order'))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1410 if r != 0: return r
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1411 elif link.getkey():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1412 key = link.getkey()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1413 if dir == '+':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1414 r = cmp(link.get(av, key), link.get(bv, key))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1415 if r != 0: return r
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1416 elif dir == '-':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1417 r = cmp(link.get(bv, key), link.get(av, key))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1418 if r != 0: return r
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1419 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1420 if dir == '+':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1421 r = cmp(av, bv)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1422 if r != 0: return r
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1423 elif dir == '-':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1424 r = cmp(bv, av)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1425 if r != 0: return r
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1426
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1427 # Multilink properties are sorted according to how many
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1428 # links are present.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1429 elif isinstance(propclass, Multilink):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1430 if dir == '+':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1431 r = cmp(len(av), len(bv))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1432 if r != 0: return r
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1433 elif dir == '-':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1434 r = cmp(len(bv), len(av))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1435 if r != 0: return r
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1436 # end for dir, prop in list:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1437 # end for list in sort, group:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1438 # if all else fails, compare the ids
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1439 return cmp(a[0], b[0])
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1440
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1441 l.sort(sortfun)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1442 return [i[0] for i in l]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1443
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1444 def count(self):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1445 """Get the number of nodes in this class.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1446
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1447 If the returned integer is 'numnodes', the ids of all the nodes
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1448 in this class run from 1 to numnodes, and numnodes+1 will be the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1449 id of the next node to be created in this class.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1450 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1451 return self.db.countnodes(self.classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1452
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1453 # Manipulating properties:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1454
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1455 def getprops(self, protected=1):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1456 """Return a dictionary mapping property names to property objects.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1457 If the "protected" flag is true, we include protected properties -
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1458 those which may not be modified.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1459
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1460 In addition to the actual properties on the node, these
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1461 methods provide the "creation" and "activity" properties. If the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1462 "protected" flag is true, we include protected properties - those
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1463 which may not be modified.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1464 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1465 d = self.properties.copy()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1466 if protected:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1467 d['id'] = String()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1468 d['creation'] = hyperdb.Date()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1469 d['activity'] = hyperdb.Date()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1470 d['creator'] = hyperdb.Link("user")
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1471 return d
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1472
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1473 def addprop(self, **properties):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1474 """Add properties to this class.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1475
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1476 The keyword arguments in 'properties' must map names to property
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1477 objects, or a TypeError is raised. None of the keys in 'properties'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1478 may collide with the names of existing properties, or a ValueError
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1479 is raised before any properties have been added.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1480 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1481 for key in properties.keys():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1482 if self.properties.has_key(key):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1483 raise ValueError, key
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1484 self.properties.update(properties)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1485
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1486 def index(self, nodeid):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1487 '''Add (or refresh) the node to search indexes
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1488 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1489 # find all the String properties that have indexme
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1490 for prop, propclass in self.getprops().items():
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1491 if isinstance(propclass, String) and propclass.indexme:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1492 # and index them under (classname, nodeid, property)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1493 self.db.indexer.add_text((self.classname, nodeid, prop),
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1494 str(self.get(nodeid, prop)))
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1495
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1496 #
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1497 # Detector interface
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1498 #
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1499 def audit(self, event, detector):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1500 """Register a detector
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1501 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1502 l = self.auditors[event]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1503 if detector not in l:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1504 self.auditors[event].append(detector)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1505
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1506 def fireAuditors(self, action, nodeid, newvalues):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1507 """Fire all registered auditors.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1508 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1509 for audit in self.auditors[action]:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1510 audit(self.db, self, nodeid, newvalues)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1511
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1512 def react(self, event, detector):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1513 """Register a detector
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1514 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1515 l = self.reactors[event]
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1516 if detector not in l:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1517 self.reactors[event].append(detector)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1518
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1519 def fireReactors(self, action, nodeid, oldvalues):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1520 """Fire all registered reactors.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1521 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1522 for react in self.reactors[action]:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1523 react(self.db, self, nodeid, oldvalues)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1524
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1525 class FileClass(Class):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1526 '''This class defines a large chunk of data. To support this, it has a
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1527 mandatory String property "content" which is typically saved off
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1528 externally to the hyperdb.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1529
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1530 The default MIME type of this data is defined by the
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1531 "default_mime_type" class attribute, which may be overridden by each
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1532 node if the class defines a "type" String property.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1533 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1534 default_mime_type = 'text/plain'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1535
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1536 def create(self, **propvalues):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1537 ''' snaffle the file propvalue and store in a file
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1538 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1539 content = propvalues['content']
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1540 del propvalues['content']
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1541 newid = Class.create(self, **propvalues)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1542 self.db.storefile(self.classname, newid, None, content)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1543 return newid
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1544
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1545 def get(self, nodeid, propname, default=_marker, cache=1):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1546 ''' trap the content propname and get it from the file
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1547 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1548
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1549 poss_msg = 'Possibly a access right configuration problem.'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1550 if propname == 'content':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1551 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1552 return self.db.getfile(self.classname, nodeid, None)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1553 except IOError, (strerror):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1554 # BUG: by catching this we donot see an error in the log.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1555 return 'ERROR reading file: %s%s\n%s\n%s'%(
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1556 self.classname, nodeid, poss_msg, strerror)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1557 if default is not _marker:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1558 return Class.get(self, nodeid, propname, default, cache=cache)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1559 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1560 return Class.get(self, nodeid, propname, cache=cache)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1561
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1562 def getprops(self, protected=1):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1563 ''' In addition to the actual properties on the node, these methods
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1564 provide the "content" property. If the "protected" flag is true,
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1565 we include protected properties - those which may not be
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1566 modified.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1567 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1568 d = Class.getprops(self, protected=protected).copy()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1569 if protected:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1570 d['content'] = hyperdb.String()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1571 return d
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1572
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1573 def index(self, nodeid):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1574 ''' Index the node in the search index.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1575
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1576 We want to index the content in addition to the normal String
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1577 property indexing.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1578 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1579 # perform normal indexing
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1580 Class.index(self, nodeid)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1581
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1582 # get the content to index
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1583 content = self.get(nodeid, 'content')
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1584
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1585 # figure the mime type
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1586 if self.properties.has_key('type'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1587 mime_type = self.get(nodeid, 'type')
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1588 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1589 mime_type = self.default_mime_type
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1590
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1591 # and index!
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1592 self.db.indexer.add_text((self.classname, nodeid, 'content'), content,
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1593 mime_type)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1594
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1595 # XXX deviation from spec - was called ItemClass
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1596 class IssueClass(Class, roundupdb.IssueClass):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1597 # Overridden methods:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1598 def __init__(self, db, classname, **properties):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1599 """The newly-created class automatically includes the "messages",
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1600 "files", "nosy", and "superseder" properties. If the 'properties'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1601 dictionary attempts to specify any of these properties or a
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1602 "creation" or "activity" property, a ValueError is raised.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1603 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1604 if not properties.has_key('title'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1605 properties['title'] = hyperdb.String(indexme='yes')
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1606 if not properties.has_key('messages'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1607 properties['messages'] = hyperdb.Multilink("msg")
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1608 if not properties.has_key('files'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1609 properties['files'] = hyperdb.Multilink("file")
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1610 if not properties.has_key('nosy'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1611 properties['nosy'] = hyperdb.Multilink("user")
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1612 if not properties.has_key('superseder'):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1613 properties['superseder'] = hyperdb.Multilink(classname)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1614 Class.__init__(self, db, classname, **properties)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1615
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1616 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1617 #$Log: not supported by cvs2svn $
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1618 #Revision 1.44 2002/07/14 02:05:53 richard
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1619 #. all storage-specific code (ie. backend) is now implemented by the backends
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1620 #
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1621 #Revision 1.43 2002/07/10 06:30:30 richard
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1622 #...except of course it's nice to use valid Python syntax
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1623 #
843
01f9d02faea1 ...except of course it's nice to use valid Python syntax
Richard Jones <richard@users.sourceforge.net>
parents: 842
diff changeset
1624 #Revision 1.42 2002/07/10 06:21:38 richard
01f9d02faea1 ...except of course it's nice to use valid Python syntax
Richard Jones <richard@users.sourceforge.net>
parents: 842
diff changeset
1625 #Be extra safe
01f9d02faea1 ...except of course it's nice to use valid Python syntax
Richard Jones <richard@users.sourceforge.net>
parents: 842
diff changeset
1626 #
842
4c39d8b48fbd Be extra safe
Richard Jones <richard@users.sourceforge.net>
parents: 838
diff changeset
1627 #Revision 1.41 2002/07/10 00:21:45 richard
4c39d8b48fbd Be extra safe
Richard Jones <richard@users.sourceforge.net>
parents: 838
diff changeset
1628 #explicit database closing
4c39d8b48fbd Be extra safe
Richard Jones <richard@users.sourceforge.net>
parents: 838
diff changeset
1629 #
838
b31ac31ece69 explicit database closing
Richard Jones <richard@users.sourceforge.net>
parents: 826
diff changeset
1630 #Revision 1.40 2002/07/09 04:19:09 richard
b31ac31ece69 explicit database closing
Richard Jones <richard@users.sourceforge.net>
parents: 826
diff changeset
1631 #Added reindex command to roundup-admin.
b31ac31ece69 explicit database closing
Richard Jones <richard@users.sourceforge.net>
parents: 826
diff changeset
1632 #Fixed reindex on first access.
b31ac31ece69 explicit database closing
Richard Jones <richard@users.sourceforge.net>
parents: 826
diff changeset
1633 #Also fixed reindexing of entries that change.
b31ac31ece69 explicit database closing
Richard Jones <richard@users.sourceforge.net>
parents: 826
diff changeset
1634 #
826
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1635 #Revision 1.39 2002/07/09 03:02:52 richard
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1636 #More indexer work:
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1637 #- all String properties may now be indexed too. Currently there's a bit of
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1638 # "issue" specific code in the actual searching which needs to be
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1639 # addressed. In a nutshell:
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1640 # + pass 'indexme="yes"' as a String() property initialisation arg, eg:
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1641 # file = FileClass(db, "file", name=String(), type=String(),
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1642 # comment=String(indexme="yes"))
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1643 # + the comment will then be indexed and be searchable, with the results
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1644 # related back to the issue that the file is linked to
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1645 #- as a result of this work, the FileClass has a default MIME type that may
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1646 # be overridden in a subclass, or by the use of a "type" property as is
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1647 # done in the default templates.
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1648 #- the regeneration of the indexes (if necessary) is done once the schema is
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1649 # set up in the dbinit.
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1650 #
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
1651 #Revision 1.38 2002/07/08 06:58:15 richard
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
1652 #cleaned up the indexer code:
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
1653 # - it splits more words out (much simpler, faster splitter)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
1654 # - removed code we'll never use (roundup.roundup_indexer has the full
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
1655 # implementation, and replaces roundup.indexer)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
1656 # - only index text/plain and rfc822/message (ideas for other text formats to
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
1657 # index are welcome)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
1658 # - added simple unit test for indexer. Needs more tests for regression.
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
1659 #
818
254b8d112eec cleaned up the indexer code:
Richard Jones <richard@users.sourceforge.net>
parents: 787
diff changeset
1660 #Revision 1.37 2002/06/20 23:52:35 richard
254b8d112eec cleaned up the indexer code:
Richard Jones <richard@users.sourceforge.net>
parents: 787
diff changeset
1661 #More informative error message
254b8d112eec cleaned up the indexer code:
Richard Jones <richard@users.sourceforge.net>
parents: 787
diff changeset
1662 #
787
b6b0a92e0738 More informative error message
Richard Jones <richard@users.sourceforge.net>
parents: 778
diff changeset
1663 #Revision 1.36 2002/06/19 03:07:19 richard
b6b0a92e0738 More informative error message
Richard Jones <richard@users.sourceforge.net>
parents: 778
diff changeset
1664 #Moved the file storage commit into blobfiles where it belongs.
b6b0a92e0738 More informative error message
Richard Jones <richard@users.sourceforge.net>
parents: 778
diff changeset
1665 #
778
fb2ce2b8b2ef Moved the file storage commit into blobfiles where it belongs.
Richard Jones <richard@users.sourceforge.net>
parents: 749
diff changeset
1666 #Revision 1.35 2002/05/25 07:16:24 rochecompaan
fb2ce2b8b2ef Moved the file storage commit into blobfiles where it belongs.
Richard Jones <richard@users.sourceforge.net>
parents: 749
diff changeset
1667 #Merged search_indexing-branch with HEAD
fb2ce2b8b2ef Moved the file storage commit into blobfiles where it belongs.
Richard Jones <richard@users.sourceforge.net>
parents: 749
diff changeset
1668 #
749
51c425129b35 Merged search_indexing-branch with HEAD
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 719
diff changeset
1669 #Revision 1.34 2002/05/15 06:21:21 richard
51c425129b35 Merged search_indexing-branch with HEAD
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 719
diff changeset
1670 # . node caching now works, and gives a small boost in performance
51c425129b35 Merged search_indexing-branch with HEAD
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 719
diff changeset
1671 #
51c425129b35 Merged search_indexing-branch with HEAD
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 719
diff changeset
1672 #As a part of this, I cleaned up the DEBUG output and implemented TRACE
51c425129b35 Merged search_indexing-branch with HEAD
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 719
diff changeset
1673 #output (HYPERDBTRACE='file to trace to') with checkpoints at the start of
51c425129b35 Merged search_indexing-branch with HEAD
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 719
diff changeset
1674 #CGI requests. Run roundup with python -O to skip all the DEBUG/TRACE stuff
51c425129b35 Merged search_indexing-branch with HEAD
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 719
diff changeset
1675 #(using if __debug__ which is compiled out with -O)
51c425129b35 Merged search_indexing-branch with HEAD
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 719
diff changeset
1676 #
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
1677 #Revision 1.33 2002/04/24 10:38:26 rochecompaan
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
1678 #All database files are now created group readable and writable.
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
1679 #
697
210e1ae39ab1 All database files are now created group readable and writable.
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 690
diff changeset
1680 #Revision 1.32 2002/04/15 23:25:15 richard
210e1ae39ab1 All database files are now created group readable and writable.
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 690
diff changeset
1681 #. node ids are now generated from a lockable store - no more race conditions
210e1ae39ab1 All database files are now created group readable and writable.
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 690
diff changeset
1682 #
210e1ae39ab1 All database files are now created group readable and writable.
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 690
diff changeset
1683 #We're using the portalocker code by Jonathan Feinberg that was contributed
210e1ae39ab1 All database files are now created group readable and writable.
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 690
diff changeset
1684 #to the ASPN Python cookbook. This gives us locking across Unix and Windows.
210e1ae39ab1 All database files are now created group readable and writable.
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 690
diff changeset
1685 #
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
1686 #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
1687 #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
1688 #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
1689 #
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
1690 #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
1691 #
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
1692 #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
1693 #
749
51c425129b35 Merged search_indexing-branch with HEAD
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 719
diff changeset
1694 #Revision 1.30.2.1 2002/04/03 11:55:57 rochecompaan
51c425129b35 Merged search_indexing-branch with HEAD
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 719
diff changeset
1695 # . Added feature #526730 - search for messages capability
51c425129b35 Merged search_indexing-branch with HEAD
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 719
diff changeset
1696 #
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
1697 #Revision 1.30 2002/02/27 03:40:59 richard
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
1698 #Ran it through pychecker, made fixes
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
1699 #
650
9b2575610953 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 646
diff changeset
1700 #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
1701 # . 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
1702 # 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
1703 # ATTENTION: blobfiles now creates subdirectories for files.
9b2575610953 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 646
diff changeset
1704 #
646
07abfe8f0c01 use blobfiles in back_anydbm which is used in back_bsddb.
Engelbert Gruber <grubert@users.sourceforge.net>
parents: 624
diff changeset
1705 #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
1706 # . #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
1707 #
624
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
1708 #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
1709 #. 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
1710 #
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
1711 #... 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
1712 #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
1713 #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
1714 #process.
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
1715 #
570
e346a9792335 fixed back_bsddb so it passed the journal tests
Richard Jones <richard@users.sourceforge.net>
parents: 567
diff changeset
1716 #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
1717 #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
1718 #
567
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
1719 #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
1720 #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
1721 #information on 'activity' for nodes.
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
1722 #
566
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
1723 #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
1724 #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
1725 #
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
1726 #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
1727 #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
1728 #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
1729 #
553
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
1730 #Revision 1.22 2002/01/14 02:20:15 richard
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
1731 # . 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
1732 # 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
1733 # 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
1734 # switching to a ConfigParser setup easier too, I hope.
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
1735 #
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
1736 #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
1737 #0.5.0 switch, I hope!)
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
1738 #
524
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
1739 #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
1740 #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
1741 #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
1742 # . modified ROUNDUPDBSENDMAILDEBUG to be SENDMAILDEBUG and hold a filename
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
1743 # 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
1744 # . 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
1745 # . 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
1746 #
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
1747 #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
1748 #on when I found that stuff :):
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
1749 # . #496356 ] Use threading in messages
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
1750 # . detectors were being registered multiple times
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
1751 # . added tests for mailgw
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
1752 # . 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
1753 #
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
1754 #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
1755 #Fixed bugs:
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
1756 # . 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
1757 # backend
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
1758 # . 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
1759 # . 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
1760 # . 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
1761 # omitted as an argument
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
1762 #
464
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
1763 #Revision 1.19 2001/12/17 03:52:48 richard
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
1764 #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
1765 #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
1766 #the file is called designator.property.
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
1767 #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
1768 #scheme - the FileClass just doesn't specify the property name.
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
1769 #
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
1770 #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
1771 #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
1772 #operation doesn't modify the oldvalues structure
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
1773 #
460
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
1774 #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
1775 #yuck, a gdbm instance tests false :(
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
1776 #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
1777 #_really_ anal about performace :)
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
1778 #
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
1779 #Revision 1.16 2001/12/12 03:23:14 richard
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
1780 #Cor blimey this anydbm/whichdb stuff is yecchy. Turns out that whichdb
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
1781 #incorrectly identifies a dbm file as a dbhash file on my system. This has
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
1782 #been submitted to the python bug tracker as issue #491888:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
1783 #https://sourceforge.net/tracker/index.php?func=detail&aid=491888&group_id=5470&atid=105470
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
1784 #
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
1785 #Revision 1.15 2001/12/12 02:30:51 richard
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
1786 #I fixed the problems with people whose anydbm was using the dbm module at the
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
1787 #backend. It turns out the dbm module modifies the file name to append ".db"
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
1788 #and my check to determine if we're opening an existing or new db just
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
1789 #tested os.path.exists() on the filename. Well, no longer! We now perform a
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
1790 #much better check _and_ cope with the anydbm implementation module changing
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
1791 #too!
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
1792 #I also fixed the backends __init__ so only ImportError is squashed.
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
1793 #
443
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
1794 #Revision 1.14 2001/12/10 22:20:01 richard
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
1795 #Enabled transaction support in the bsddb backend. It uses the anydbm code
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
1796 #where possible, only replacing methods where the db is opened (it uses the
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
1797 #btree opener specifically.)
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
1798 #Also cleaned up some change note generation.
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
1799 #Made the backends package work with pydoc too.
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
Richard Jones <richard@users.sourceforge.net>
parents: 440
diff changeset
1800 #
440
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
1801 #Revision 1.13 2001/12/02 05:06:16 richard
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
1802 #. We now use weakrefs in the Classes to keep the database reference, so
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
1803 # the close() method on the database is no longer needed.
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
1804 # I bumped the minimum python requirement up to 2.1 accordingly.
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
1805 #. #487480 ] roundup-server
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
1806 #. #487476 ] INSTALL.txt
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
1807 #
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
1808 #I also cleaned up the change message / post-edit stuff in the cgi client.
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
1809 #There's now a clearly marked "TODO: append the change note" where I believe
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
1810 #the change note should be added there. The "changes" list will obviously
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
1811 #have to be modified to be a dict of the changes, or somesuch.
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
1812 #
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
1813 #More testing needed.
de5bf4191f11 Enabled transaction support in the bsddb backend.
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
1814 #
431
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
1815 #Revision 1.12 2001/12/01 07:17:50 richard
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
1816 #. We now have basic transaction support! Information is only written to
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
1817 # the database when the commit() method is called. Only the anydbm
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
1818 # backend is modified in this way - neither of the bsddb backends have been.
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
1819 # The mail, admin and cgi interfaces all use commit (except the admin tool
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
1820 # 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
1821 #. Fixed login/registration forwarding the user to the right page (or not,
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
1822 # on a failure)
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
1823 #
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
1824 #Revision 1.11 2001/11/21 02:34:18 richard
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
1825 #Added a target version field to the extended issue schema
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
1826 #
394
f43af1e97fdd Added a target version field to the extended issue schema
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1827 #Revision 1.10 2001/10/09 23:58:10 richard
f43af1e97fdd Added a target version field to the extended issue schema
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1828 #Moved the data stringification up into the hyperdb.Class class' get, set
f43af1e97fdd Added a target version field to the extended issue schema
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1829 #and create methods. This means that the data is also stringified for the
f43af1e97fdd Added a target version field to the extended issue schema
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1830 #journal call, and removes duplication of code from the backends. The
f43af1e97fdd Added a target version field to the extended issue schema
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1831 #backend code now only sees strings.
f43af1e97fdd Added a target version field to the extended issue schema
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1832 #
275
1cc866cec608 Moved the data stringification up into the hyperdb.Class class's...
Richard Jones <richard@users.sourceforge.net>
parents: 270
diff changeset
1833 #Revision 1.9 2001/10/09 07:25:59 richard
1cc866cec608 Moved the data stringification up into the hyperdb.Class class's...
Richard Jones <richard@users.sourceforge.net>
parents: 270
diff changeset
1834 #Added the Password property type. See "pydoc roundup.password" for
1cc866cec608 Moved the data stringification up into the hyperdb.Class class's...
Richard Jones <richard@users.sourceforge.net>
parents: 270
diff changeset
1835 #implementation details. Have updated some of the documentation too.
1cc866cec608 Moved the data stringification up into the hyperdb.Class class's...
Richard Jones <richard@users.sourceforge.net>
parents: 270
diff changeset
1836 #
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents: 252
diff changeset
1837 #Revision 1.8 2001/09/29 13:27:00 richard
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents: 252
diff changeset
1838 #CGI interfaces now spit up a top-level index of all the instances they can
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents: 252
diff changeset
1839 #serve.
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents: 252
diff changeset
1840 #
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
1841 #Revision 1.7 2001/08/12 06:32:36 richard
76c6994aa4e8 CGI interfaces now spit up a top-level index of all instances they can serve.
Richard Jones <richard@users.sourceforge.net>
parents: 224
diff changeset
1842 #using isinstance(blah, Foo) now instead of isFooType
76c6994aa4e8 CGI interfaces now spit up a top-level index of all instances they can serve.
Richard Jones <richard@users.sourceforge.net>
parents: 224
diff changeset
1843 #
224
ad2c98faec97 using isinstance(blah, Foo) now instead of isFooType
Richard Jones <richard@users.sourceforge.net>
parents: 214
diff changeset
1844 #Revision 1.6 2001/08/07 00:24:42 richard
ad2c98faec97 using isinstance(blah, Foo) now instead of isFooType
Richard Jones <richard@users.sourceforge.net>
parents: 214
diff changeset
1845 #stupid typo
ad2c98faec97 using isinstance(blah, Foo) now instead of isFooType
Richard Jones <richard@users.sourceforge.net>
parents: 214
diff changeset
1846 #
214
18134bffab37 stupid typo
Richard Jones <richard@users.sourceforge.net>
parents: 213
diff changeset
1847 #Revision 1.5 2001/08/07 00:15:51 richard
18134bffab37 stupid typo
Richard Jones <richard@users.sourceforge.net>
parents: 213
diff changeset
1848 #Added the copyright/license notice to (nearly) all files at request of
18134bffab37 stupid typo
Richard Jones <richard@users.sourceforge.net>
parents: 213
diff changeset
1849 #Bizar Software.
18134bffab37 stupid typo
Richard Jones <richard@users.sourceforge.net>
parents: 213
diff changeset
1850 #
213
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
1851 #Revision 1.4 2001/07/30 01:41:36 richard
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
1852 #Makes schema changes mucho easier.
d45384bc6420 Added the copyright/license notice to (nearly) all files...
Richard Jones <richard@users.sourceforge.net>
parents: 149
diff changeset
1853 #
149
fbc77ecf133b Makes schema changes mucho easier.
Richard Jones <richard@users.sourceforge.net>
parents: 71
diff changeset
1854 #Revision 1.3 2001/07/25 01:23:07 richard
fbc77ecf133b Makes schema changes mucho easier.
Richard Jones <richard@users.sourceforge.net>
parents: 71
diff changeset
1855 #Added the Roundup spec to the new documentation directory.
fbc77ecf133b Makes schema changes mucho easier.
Richard Jones <richard@users.sourceforge.net>
parents: 71
diff changeset
1856 #
71
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
Richard Jones <richard@users.sourceforge.net>
parents: 48
diff changeset
1857 #Revision 1.2 2001/07/23 08:20:44 richard
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
Richard Jones <richard@users.sourceforge.net>
parents: 48
diff changeset
1858 #Moved over to using marshal in the bsddb and anydbm backends.
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
Richard Jones <richard@users.sourceforge.net>
parents: 48
diff changeset
1859 #roundup-admin now has a "freshen" command that'll load/save all nodes (not
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
Richard Jones <richard@users.sourceforge.net>
parents: 48
diff changeset
1860 # retired - mod hyperdb.Class.list() so it lists retired nodes)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1861 #
71
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
Richard Jones <richard@users.sourceforge.net>
parents: 48
diff changeset
1862 #
Roundup Issue Tracker: http://roundup-tracker.org/