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annotate roundup/backends/back_anydbm.py @ 902:b0d3d3535998

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Bugger it. Here's the current shape of the new security implementation. Still to do: . call the security funcs from cgi and mailgw . change shipped templates to include correct initialisation and remove the old config vars ... that seems like a lot. The bulk of the work has been done though. Honest :)
author Richard Jones <richard@users.sourceforge.net>
date Thu, 25 Jul 2002 07:14:06 +0000
parents 974a4b94c5e3
children 502a5ae11cc5
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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 1.53 2002-07-25 07:14:06 richard Exp $
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19 '''
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20 This module defines a backend that saves the hyperdatabase in a database
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21 chosen by anydbm. It is guaranteed to always be available in python
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22 versions >2.1.1 (the dumbdbm fallback in 2.1.1 and earlier has several
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23 serious bugs, and is not available)
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24 '''
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26 import whichdb, anydbm, os, marshal, re, weakref, string, copy
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27 from roundup import hyperdb, date, password, roundupdb, security
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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, Boolean, Number
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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.destroyednodes = {}# keep track of the destroyed nodes by class
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67 self.transactions = []
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68 self.indexer = Indexer(self.dir)
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69 self.security = security.Security(self)
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70 # ensure files are group readable and writable
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71 os.umask(0002)
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72
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73 def post_init(self):
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74 """Called once the schema initialisation has finished."""
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75 # reindex the db if necessary
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76 if self.indexer.should_reindex():
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77 self.reindex()
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78
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79 def reindex(self):
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80 for klass in self.classes.values():
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81 for nodeid in klass.list():
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82 klass.index(nodeid)
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83 self.indexer.save_index()
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84
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85 def __repr__(self):
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86 return '<back_anydbm instance at %x>'%id(self)
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87
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88 #
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89 # Classes
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90 #
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91 def __getattr__(self, classname):
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92 """A convenient way of calling self.getclass(classname)."""
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93 if self.classes.has_key(classname):
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94 if __debug__:
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95 print >>hyperdb.DEBUG, '__getattr__', (self, classname)
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96 return self.classes[classname]
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97 raise AttributeError, classname
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98
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99 def addclass(self, cl):
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100 if __debug__:
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101 print >>hyperdb.DEBUG, 'addclass', (self, cl)
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102 cn = cl.classname
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103 if self.classes.has_key(cn):
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104 raise ValueError, cn
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105 self.classes[cn] = cl
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106
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107 def getclasses(self):
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108 """Return a list of the names of all existing classes."""
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109 if __debug__:
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110 print >>hyperdb.DEBUG, 'getclasses', (self,)
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111 l = self.classes.keys()
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112 l.sort()
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113 return l
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114
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115 def getclass(self, classname):
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116 """Get the Class object representing a particular class.
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117
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118 If 'classname' is not a valid class name, a KeyError is raised.
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119 """
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120 if __debug__:
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121 print >>hyperdb.DEBUG, 'getclass', (self, classname)
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122 return self.classes[classname]
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123
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124 #
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125 # Class DBs
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126 #
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127 def clear(self):
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128 '''Delete all database contents
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129 '''
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130 if __debug__:
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131 print >>hyperdb.DEBUG, 'clear', (self,)
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132 for cn in self.classes.keys():
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133 for dummy in 'nodes', 'journals':
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134 path = os.path.join(self.dir, 'journals.%s'%cn)
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135 if os.path.exists(path):
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136 os.remove(path)
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137 elif os.path.exists(path+'.db'): # dbm appends .db
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138 os.remove(path+'.db')
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139
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140 def getclassdb(self, classname, mode='r'):
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141 ''' grab a connection to the class db that will be used for
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142 multiple actions
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143 '''
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144 if __debug__:
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145 print >>hyperdb.DEBUG, 'getclassdb', (self, classname, mode)
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146 return self.opendb('nodes.%s'%classname, mode)
444
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147
862
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148 def determine_db_type(self, path):
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149 ''' determine which DB wrote the class file
444
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150 '''
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151 db_type = ''
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152 if os.path.exists(path):
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153 db_type = whichdb.whichdb(path)
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154 if not db_type:
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155 raise hyperdb.DatabaseError, "Couldn't identify database type"
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156 elif os.path.exists(path+'.db'):
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157 # if the path ends in '.db', it's a dbm database, whether
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158 # anydbm says it's dbhash or not!
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159 db_type = 'dbm'
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160 return db_type
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161
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162 def opendb(self, name, mode):
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163 '''Low-level database opener that gets around anydbm/dbm
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164 eccentricities.
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165 '''
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166 if __debug__:
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167 print >>hyperdb.DEBUG, 'opendb', (self, name, mode)
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168
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169 # figure the class db type
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170 path = os.path.join(os.getcwd(), self.dir, name)
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171 db_type = self.determine_db_type(path)
443
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diff changeset
172
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173 # new database? let anydbm pick the best dbm
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174 if not db_type:
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175 if __debug__:
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176 print >>hyperdb.DEBUG, "opendb anydbm.open(%r, 'n')"%path
71
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diff changeset
177 return anydbm.open(path, 'n')
46
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178
443
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179 # open the database with the correct module
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180 try:
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diff changeset
181 dbm = __import__(db_type)
444
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182 except ImportError:
443
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diff changeset
183 raise hyperdb.DatabaseError, \
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184 "Couldn't open database - the required module '%s'"\
818
254b8d112eec cleaned up the indexer code:
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185 " is not available"%db_type
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186 if __debug__:
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187 print >>hyperdb.DEBUG, "opendb %r.open(%r, %r)"%(db_type, path,
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188 mode)
443
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diff changeset
189 return dbm.open(path, mode)
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190
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191 def lockdb(self, name):
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192 ''' Lock a database file
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193 '''
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194 path = os.path.join(os.getcwd(), self.dir, '%s.lock'%name)
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195 return acquire_lock(path)
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196
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197 #
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198 # Node IDs
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199 #
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200 def newid(self, classname):
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201 ''' Generate a new id for the given class
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202 '''
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203 # open the ids DB - create if if doesn't exist
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204 lock = self.lockdb('_ids')
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205 db = self.opendb('_ids', 'c')
690
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206 if db.has_key(classname):
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207 newid = db[classname] = str(int(db[classname]) + 1)
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diff changeset
208 else:
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209 # the count() bit is transitional - older dbs won't start at 1
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210 newid = str(self.getclass(classname).count()+1)
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211 db[classname] = newid
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212 db.close()
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diff changeset
213 release_lock(lock)
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diff changeset
214 return newid
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diff changeset
215
48
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
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diff changeset
216 #
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diff changeset
217 # Nodes
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
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diff changeset
218 #
46
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diff changeset
219 def addnode(self, classname, nodeid, node):
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220 ''' add the specified node to its class's db
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diff changeset
221 '''
719
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222 if __debug__:
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diff changeset
223 print >>hyperdb.DEBUG, 'addnode', (self, classname, nodeid, node)
430
350685601f37 Database transactions.
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diff changeset
224 self.newnodes.setdefault(classname, {})[nodeid] = 1
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diff changeset
225 self.cache.setdefault(classname, {})[nodeid] = node
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diff changeset
226 self.savenode(classname, nodeid, node)
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diff changeset
227
350685601f37 Database transactions.
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diff changeset
228 def setnode(self, classname, nodeid, node):
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diff changeset
229 ''' change the specified node
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diff changeset
230 '''
719
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diff changeset
231 if __debug__:
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diff changeset
232 print >>hyperdb.DEBUG, 'setnode', (self, classname, nodeid, node)
430
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diff changeset
233 self.dirtynodes.setdefault(classname, {})[nodeid] = 1
676
bc46480e2a2b Fixed serialisation problem...
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parents: 650
diff changeset
234
430
350685601f37 Database transactions.
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diff changeset
235 # can't set without having already loaded the node
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diff changeset
236 self.cache[classname][nodeid] = node
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diff changeset
237 self.savenode(classname, nodeid, node)
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parents: 394
diff changeset
238
350685601f37 Database transactions.
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parents: 394
diff changeset
239 def savenode(self, classname, nodeid, node):
350685601f37 Database transactions.
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parents: 394
diff changeset
240 ''' perform the saving of data specified by the set/addnode
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parents: 394
diff changeset
241 '''
719
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diff changeset
242 if __debug__:
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diff changeset
243 print >>hyperdb.DEBUG, 'savenode', (self, classname, nodeid, node)
891
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diff changeset
244 self.transactions.append((self.doSaveNode, (classname, nodeid, node)))
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
245
475
a1a44636bace Fix breakage caused by transaction changes.
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parents: 464
diff changeset
246 def getnode(self, classname, nodeid, db=None, cache=1):
460
9c895b44240a take a copy of the node dict...
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parents: 452
diff changeset
247 ''' get a node from the database
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
248 '''
719
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diff changeset
249 if __debug__:
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diff changeset
250 print >>hyperdb.DEBUG, 'getnode', (self, classname, nodeid, db)
475
a1a44636bace Fix breakage caused by transaction changes.
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parents: 464
diff changeset
251 if cache:
a1a44636bace Fix breakage caused by transaction changes.
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parents: 464
diff changeset
252 # try the cache
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diff changeset
253 cache_dict = self.cache.setdefault(classname, {})
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diff changeset
254 if cache_dict.has_key(nodeid):
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diff changeset
255 if __debug__:
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diff changeset
256 print >>hyperdb.TRACE, 'get %s %s cached'%(classname,
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diff changeset
257 nodeid)
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diff changeset
258 return cache_dict[nodeid]
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diff changeset
259
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diff changeset
260 if __debug__:
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diff changeset
261 print >>hyperdb.TRACE, 'get %s %s'%(classname, nodeid)
430
350685601f37 Database transactions.
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parents: 394
diff changeset
262
350685601f37 Database transactions.
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parents: 394
diff changeset
263 # get from the database and save in the cache
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
264 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
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parents: 444
diff changeset
265 db = self.getclassdb(classname)
46
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parents:
diff changeset
266 if not db.has_key(nodeid):
475
a1a44636bace Fix breakage caused by transaction changes.
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parents: 464
diff changeset
267 raise IndexError, "no such %s %s"%(classname, nodeid)
676
bc46480e2a2b Fixed serialisation problem...
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parents: 650
diff changeset
268
891
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diff changeset
269 # check the uncommitted, destroyed nodes
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diff changeset
270 if (self.destroyednodes.has_key(classname) and
974a4b94c5e3 Implemented the destroy() method needed by the session database...
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parents: 890
diff changeset
271 self.destroyednodes[classname].has_key(nodeid)):
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diff changeset
272 raise IndexError, "no such %s %s"%(classname, nodeid)
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273
676
bc46480e2a2b Fixed serialisation problem...
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diff changeset
274 # decode
48
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
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diff changeset
275 res = marshal.loads(db[nodeid])
676
bc46480e2a2b Fixed serialisation problem...
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276
bc46480e2a2b Fixed serialisation problem...
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diff changeset
277 # reverse the serialisation
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diff changeset
278 res = self.unserialise(classname, res)
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279
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280 # store off in the cache dict
475
a1a44636bace Fix breakage caused by transaction changes.
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diff changeset
281 if cache:
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282 cache_dict[nodeid] = res
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283
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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284 return res
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285
891
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286 def destroynode(self, classname, nodeid):
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287 '''Remove a node from the database. Called exclusively by the
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288 destroy() method on Class.
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289 '''
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290 if __debug__:
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291 print >>hyperdb.DEBUG, 'destroynode', (self, classname, nodeid)
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292
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293 # remove from cache and newnodes if it's there
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294 if (self.cache.has_key(classname) and
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295 self.cache[classname].has_key(nodeid)):
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296 del self.cache[classname][nodeid]
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297 if (self.newnodes.has_key(classname) and
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298 self.newnodes[classname].has_key(nodeid)):
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299 del self.newnodes[classname][nodeid]
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300
974a4b94c5e3 Implemented the destroy() method needed by the session database...
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diff changeset
301 # see if there's any obvious commit actions that we should get rid of
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302 for entry in self.transactions[:]:
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diff changeset
303 if entry[1][:2] == (classname, nodeid):
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304 self.transactions.remove(entry)
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305
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306 # add to the destroyednodes map
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307 self.destroyednodes.setdefault(classname, {})[nodeid] = 1
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308
974a4b94c5e3 Implemented the destroy() method needed by the session database...
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309 # add the destroy commit action
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310 self.transactions.append((self.doDestroyNode, (classname, nodeid)))
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311
858
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312 def serialise(self, classname, node):
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313 '''Copy the node contents, converting non-marshallable data into
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314 marshallable data.
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315 '''
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316 if __debug__:
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317 print >>hyperdb.DEBUG, 'serialise', classname, node
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318 properties = self.getclass(classname).getprops()
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319 d = {}
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320 for k, v in node.items():
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diff changeset
321 # if the property doesn't exist, or is the "retired" flag then
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322 # it won't be in the properties dict
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323 if not properties.has_key(k):
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diff changeset
324 d[k] = v
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325 continue
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326
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327 # get the property spec
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328 prop = properties[k]
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329
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330 if isinstance(prop, Password):
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331 d[k] = str(v)
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diff changeset
332 elif isinstance(prop, Date) and v is not None:
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333 d[k] = v.get_tuple()
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334 elif isinstance(prop, Interval) and v is not None:
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335 d[k] = v.get_tuple()
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336 else:
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337 d[k] = v
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338 return d
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339
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340 def unserialise(self, classname, node):
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341 '''Decode the marshalled node data
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342 '''
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343 if __debug__:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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344 print >>hyperdb.DEBUG, 'unserialise', classname, node
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345 properties = self.getclass(classname).getprops()
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346 d = {}
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347 for k, v in node.items():
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diff changeset
348 # if the property doesn't exist, or is the "retired" flag then
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349 # it won't be in the properties dict
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diff changeset
350 if not properties.has_key(k):
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diff changeset
351 d[k] = v
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
352 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
353
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
354 # get the property spec
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
355 prop = properties[k]
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diff changeset
356
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
357 if isinstance(prop, Date) and v is not None:
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diff changeset
358 d[k] = date.Date(v)
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diff changeset
359 elif isinstance(prop, Interval) and v is not None:
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diff changeset
360 d[k] = date.Interval(v)
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diff changeset
361 elif isinstance(prop, Password):
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parents: 843
diff changeset
362 p = password.Password()
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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parents: 843
diff changeset
363 p.unpack(v)
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parents: 843
diff changeset
364 d[k] = p
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
365 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
366 d[k] = v
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
367 return d
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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parents: 843
diff changeset
368
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
369 def hasnode(self, classname, nodeid, db=None):
460
9c895b44240a take a copy of the node dict...
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parents: 452
diff changeset
370 ''' 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
371 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
372 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
373 print >>hyperdb.DEBUG, 'hasnode', (self, classname, nodeid, db)
fed4c363a7f3 node caching now works, and gives a small boost in performance
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parents: 697
diff changeset
374
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
375 # try the cache
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
376 cache = self.cache.setdefault(classname, {})
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
377 if cache.has_key(nodeid):
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
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parents: 697
diff changeset
378 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
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parents: 697
diff changeset
379 print >>hyperdb.TRACE, 'has %s %s cached'%(classname, nodeid)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
380 return 1
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
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diff changeset
381 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
382 print >>hyperdb.TRACE, 'has %s %s'%(classname, nodeid)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
383
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
384 # 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
385 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
386 db = self.getclassdb(classname)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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parents:
diff changeset
387 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
388 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
389
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
390 def countnodes(self, classname, db=None):
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
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parents: 697
diff changeset
391 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
392 print >>hyperdb.DEBUG, 'countnodes', (self, classname, db)
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
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parents: 890
diff changeset
393
974a4b94c5e3 Implemented the destroy() method needed by the session database...
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parents: 890
diff changeset
394 count = 0
974a4b94c5e3 Implemented the destroy() method needed by the session database...
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parents: 890
diff changeset
395
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
396 # include the uncommitted nodes
974a4b94c5e3 Implemented the destroy() method needed by the session database...
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parents: 890
diff changeset
397 if self.newnodes.has_key(classname):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
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parents: 890
diff changeset
398 count += len(self.newnodes[classname])
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parents: 890
diff changeset
399 if self.destroyednodes.has_key(classname):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
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parents: 890
diff changeset
400 count -= len(self.destroyednodes[classname])
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
401
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
402 # and count those in the DB
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
403 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
404 db = self.getclassdb(classname)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
405 count = count + len(db.keys())
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
406 return count
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
407
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
408 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
409 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
410 print >>hyperdb.DEBUG, 'getnodeids', (self, classname, db)
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
411
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
412 res = []
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
413
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
414 # start off with the new nodes
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
415 if self.newnodes.has_key(classname):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
416 res += self.newnodes[classname].keys()
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
417
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
418 if db is None:
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
419 db = self.getclassdb(classname)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
420 res = res + db.keys()
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
421
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
422 # remove the uncommitted, destroyed nodes
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
423 if self.destroyednodes.has_key(classname):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
424 for nodeid in self.destroyednodes[classname].keys():
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
425 if db.has_key(nodeid):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
426 res.remove(nodeid)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
427
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
428 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
429
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
430
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
431 #
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
432 # 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
433 # inherited from FileStorage
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
434
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
435 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
436 # Journal
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
437 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
438 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
439 ''' Journal the Action
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
440 'action' may be:
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
441
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
442 '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
443 '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
444 'retire' -- 'params' is None
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
445 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
446 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
447 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
448 action, params)
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
449 self.transactions.append((self.doSaveJournal, (classname, nodeid,
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
450 action, params)))
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
451
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
452 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
453 ''' get the journal for id
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
454
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
455 Raise IndexError if the node doesn't exist (as per history()'s
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
456 API)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
457 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
458 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
459 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
460 # 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
461 # not exist
671203878652 Moved over to using marshal in the bsddb and anydbm backends.
Richard Jones <richard@users.sourceforge.net>
parents: 46
diff changeset
462 try:
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
463 db = self.opendb('journals.%s'%classname, 'r')
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
464 except anydbm.error, error:
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
465 if str(error) == "need 'c' or 'n' flag to open new db":
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
466 raise IndexError, 'no such %s %s'%(classname, nodeid)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
467 elif error.args[0] != 2:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
468 raise
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
469 raise IndexError, 'no such %s %s'%(classname, nodeid)
787
b6b0a92e0738 More informative error message
Richard Jones <richard@users.sourceforge.net>
parents: 778
diff changeset
470 try:
b6b0a92e0738 More informative error message
Richard Jones <richard@users.sourceforge.net>
parents: 778
diff changeset
471 journal = marshal.loads(db[nodeid])
b6b0a92e0738 More informative error message
Richard Jones <richard@users.sourceforge.net>
parents: 778
diff changeset
472 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
473 db.close()
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
474 raise IndexError, 'no such %s %s'%(classname, nodeid)
843
01f9d02faea1 ...except of course it's nice to use valid Python syntax
Richard Jones <richard@users.sourceforge.net>
parents: 842
diff changeset
475 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
476 res = []
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
477 for nodeid, date_stamp, user, action, params in journal:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
478 res.append((nodeid, date.Date(date_stamp), user, action, params))
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
479 return res
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
480
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
481 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
482 ''' 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
483 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
484 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
485
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
486 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
487
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
488 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
489
862
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
490 # figure the class db type
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
491
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
492 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
493 db_name = 'journals.%s'%classname
862
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
494 path = os.path.join(os.getcwd(), self.dir, classname)
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
495 db_type = self.determine_db_type(path)
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
496 db = self.opendb(db_name, 'w')
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
497
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
498 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
499 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
500 l = []
567
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
501 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
502 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
503 (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
504 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
505 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
506 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
507 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
508 # 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
509 # activity
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
510 last_set_entry = entry
567
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
511 if last_set_entry:
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
512 date_stamp = last_set_entry[1]
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
513 # 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
514 # 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
515 if date_stamp < pack_before:
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
516 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
517 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
518 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
519 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
520 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
521
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
522
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
523 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
524 # Basic transaction support
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
525 #
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
526 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
527 ''' 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
528 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
529 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
530 print >>hyperdb.DEBUG, 'commit', (self,)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
531 # TODO: lock the DB
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
532
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
533 # keep a handle to all the database files opened
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
534 self.databases = {}
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
535
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
536 # now, do all the transactions
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
537 reindex = {}
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
538 for method, args in self.transactions:
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
539 reindex[method(*args)] = 1
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
540
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
541 # now close all the database files
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
542 for db in self.databases.values():
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
543 db.close()
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
544 del self.databases
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
545 # 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
546
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
547 # reindex the nodes that request it
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
548 for classname, nodeid in filter(None, reindex.keys()):
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
549 print >>hyperdb.DEBUG, 'commit.reindex', (classname, nodeid)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
550 self.getclass(classname).index(nodeid)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
551
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
552 # save the indexer state
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
553 self.indexer.save_index()
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
554
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
555 # all transactions committed, back to normal
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
556 self.cache = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
557 self.dirtynodes = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
558 self.newnodes = {}
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
559 self.destroyednodes = {}
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
560 self.transactions = []
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
561
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
562 def getCachedClassDB(self, classname):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
563 ''' get the class db, looking in our cache of databases for commit
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
564 '''
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
565 # get the database handle
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
566 db_name = 'nodes.%s'%classname
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
567 if not self.databases.has_key(db_name):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
568 self.databases[db_name] = self.getclassdb(classname, 'c')
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
569 return self.databases[db_name]
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
570
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
571 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
572 if __debug__:
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
573 print >>hyperdb.DEBUG, 'doSaveNode', (self, classname, nodeid,
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
574 node)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
575
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
576 db = self.getCachedClassDB(classname)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
577
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
578 # now save the marshalled data
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
579 db[nodeid] = marshal.dumps(self.serialise(classname, node))
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
580
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
581 # return the classname, nodeid so we reindex this content
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
582 return (classname, nodeid)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
583
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
584 def getCachedJournalDB(self, classname):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
585 ''' get the journal db, looking in our cache of databases for commit
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
586 '''
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
587 # get the database handle
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
588 db_name = 'journals.%s'%classname
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
589 if not self.databases.has_key(db_name):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
590 self.databases[db_name] = self.opendb(db_name, 'c')
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
591 return self.databases[db_name]
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
592
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
593 def doSaveJournal(self, classname, nodeid, action, params):
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
594 # serialise first
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
595 if action in ('set', 'create'):
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
596 params = self.serialise(classname, params)
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
597
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
598 # create the journal entry
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
599 entry = (nodeid, date.Date().get_tuple(), self.journaltag, action,
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
600 params)
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
601
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
602 if __debug__:
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
603 print >>hyperdb.DEBUG, 'doSaveJournal', entry
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
604
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
605 db = self.getCachedJournalDB(classname)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
606
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
607 # now insert the journal entry
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
608 if db.has_key(nodeid):
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
609 # append to existing
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
610 s = db[nodeid]
650
9b2575610953 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 646
diff changeset
611 l = marshal.loads(s)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
612 l.append(entry)
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
613 else:
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
614 l = [entry]
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
615
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
616 db[nodeid] = marshal.dumps(l)
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
617
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
618 def doDestroyNode(self, classname, nodeid):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
619 if __debug__:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
620 print >>hyperdb.DEBUG, 'doDestroyNode', (self, classname, nodeid)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
621
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
622 # delete from the class database
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
623 db = self.getCachedClassDB(classname)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
624 if db.has_key(nodeid):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
625 del db[nodeid]
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
626
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
627 # delete from the database
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
628 db = self.getCachedJournalDB(classname)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
629 if db.has_key(nodeid):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
630 del db[nodeid]
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
631
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
632 # return the classname, nodeid so we reindex this content
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
633 return (classname, nodeid)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
634
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
635 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
636 ''' 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
637 '''
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
638 if __debug__:
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
639 print >>hyperdb.DEBUG, 'rollback', (self, )
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
640 for method, args in self.transactions:
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
641 # delete temporary files
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
642 if method == self.doStoreFile:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
643 self.rollbackStoreFile(*args)
430
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
644 self.cache = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
645 self.dirtynodes = {}
350685601f37 Database transactions.
Richard Jones <richard@users.sourceforge.net>
parents: 394
diff changeset
646 self.newnodes = {}
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
647 self.destroyednodes = {}
252
76c6994aa4e8 CGI interfaces now spit up a top-level index of all instances they can serve.
Richard Jones <richard@users.sourceforge.net>
parents: 224
diff changeset
648 self.transactions = []
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
649
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
650 _marker = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
651 class Class(hyperdb.Class):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
652 """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
653
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
654 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
655 """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
656
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
657 '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
658 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
659 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
660 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
661 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
662 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
663 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
664 'reserved'
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
665
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
666 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
667 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
668 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
669 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
670
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
671 # 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
672 self.do_journal = 1
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
673
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
674 # 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
675 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
676
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
677 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
678 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
679
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
680 def enableJournalling(self):
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
681 '''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
682 '''
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
683 self.do_journal = 1
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
684
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
685 def disableJournalling(self):
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
686 '''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
687 '''
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
688 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
689
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
690 # 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
691
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
692 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
693 """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
694
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
695 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
696
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
697 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
698 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
699
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
700 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
701 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
702
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
703 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
704 '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
705
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
706 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
707 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
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 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
710 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
711 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
712 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
713 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
714
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
715 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
716 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
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 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
719 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
720
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
721 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
722
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
723 # 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
724 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
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 # 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
727 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
728 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
729 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
730 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
731 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
732 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
733 pass
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
734 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
735 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
736
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
737 # 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
738 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
739 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
740 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
741 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
742 key)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
743
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
744 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
745 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
746 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
747 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
748 # 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
749 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
750 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
751 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
752 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
753 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
754 key, value, link_class)
902
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
755 elif not self.db.getclass(link_class).hasnode(value):
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
756 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
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 # 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
759 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
760
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
761 # 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
762 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
763 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
764 (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
765
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
766 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
767 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
768 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
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 # 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
771 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
772 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
773 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
774 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
775 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
776 '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
777 # 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
778 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
779 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
780 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
781 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
782 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
783 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
784 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
785 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
786 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
787
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
788 # handle additions
902
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
789 for nodeid in value:
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
790 if not self.db.getclass(link_class).hasnode(nodeid):
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
791 raise IndexError, '%s has no node %s'%(link_class,
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
792 nodeid)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
793 # 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
794 if self.do_journal and self.properties[key].do_journal:
902
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
795 self.db.addjournal(link_class, nodeid, 'link',
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
796 (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
797
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
798 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
799 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
800 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
801
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
802 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
803 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
804 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
805
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
806 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
807 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
808 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
809
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
810 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
811 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
812 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
813
887
e7169d6e6e45 added tests for number type too
Richard Jones <richard@users.sourceforge.net>
parents: 886
diff changeset
814 elif value is not None and isinstance(prop, Number):
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
815 try:
890
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
816 float(value)
887
e7169d6e6e45 added tests for number type too
Richard Jones <richard@users.sourceforge.net>
parents: 886
diff changeset
817 except ValueError:
890
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
818 raise TypeError, 'new property "%s" not numeric'%key
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
819
887
e7169d6e6e45 added tests for number type too
Richard Jones <richard@users.sourceforge.net>
parents: 886
diff changeset
820 elif value is not None and isinstance(prop, Boolean):
890
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
821 try:
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
822 int(value)
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
823 except ValueError:
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
824 raise TypeError, 'new property "%s" not boolean'%key
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
825
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
826 # 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
827 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
828 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
829 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
830 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
831 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
832 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
833 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
834 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
835 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
836
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
837 # done
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
838 self.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
839 if self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
840 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
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 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
843
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
844 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
845
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
846 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
847 """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
848
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
849 '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
850 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
851 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
852
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
853 '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
854 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
855 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
856 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
857
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
858 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
859 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
860 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
861 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
862 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
863
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
864 if propname == 'creation':
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
865 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
866 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
867 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
868 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
869 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
870 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
871 # 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
872 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
873 if propname == 'activity':
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
874 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
875 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
876 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
877 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
878 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
879 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
880 # 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
881 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
882 if propname == 'creator':
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
883 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
884 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
885 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
886 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
887 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
888 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
889 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
890 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
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 # 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
893 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
894
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
895 # 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
896 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
897
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
898 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
899 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
900 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
901 return []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
902 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
903 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
904 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
905 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
906
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
907 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
908
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
909 # 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
910 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
911 ''' 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
912
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
913 '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
914 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
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 '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
917 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
918 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
919 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
920 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
921 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
922
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
923 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
924 """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
925
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
926 '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
927 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
928
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
929 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
930 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
931
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
932 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
933 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
934
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
935 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
936 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
937
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
938 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
939 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
940
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
941 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
942 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
943 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
944 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
945 return
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
946
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
947 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
948 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
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 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
951 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
952
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
953 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
954 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
955
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
956 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
957 # 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
958 # 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
959 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
960 # 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
961 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
962 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
963 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
964 # 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
965 # 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
966 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
967
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
968 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
969 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
970 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
971 num_re = re.compile('^\d+$')
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
972
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
973 # if the journal value is to be different, store it in here
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
974 journalvalues = {}
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
975
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
976 for propname, value in propvalues.items():
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
977 # check to make sure we're not duplicating an existing key
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
978 if propname == self.key and node[propname] != value:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
979 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
980 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
981 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
982 pass
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
983 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
984 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
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 # 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
987 # ... 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
988 # the writeable properties.
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
989 prop = self.properties[propname]
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
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 # 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
992 # doing anything
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
993 if node.has_key(propname) and value == node[propname]:
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
994 del propvalues[propname]
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
995 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
996
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
997 # 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
998 if isinstance(prop, Link):
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
999 link_class = self.properties[propname].classname
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1000 # 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
1001 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
1002 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
1003 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
1004 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1005 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
1006 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
1007 raise IndexError, 'new property "%s": %s not a %s'%(
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1008 propname, value, self.properties[propname].classname)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1009
902
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
1010 if not self.db.getclass(link_class).hasnode(value):
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1011 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
1012
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1013 if self.do_journal and self.properties[propname].do_journal:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1014 # register the unlink with the old linked node
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1015 if node[propname] is not None:
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1016 self.db.addjournal(link_class, node[propname], 'unlink',
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1017 (self.classname, nodeid, propname))
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1018
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1019 # 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
1020 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
1021 self.db.addjournal(link_class, value, 'link',
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1022 (self.classname, nodeid, propname))
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
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 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
1025 if type(value) != type([]):
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1026 raise TypeError, 'new property "%s" not a list of'\
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1027 ' ids'%propname
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1028 link_class = self.properties[propname].classname
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1029 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1030 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
1031 # 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
1032 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
1033 raise ValueError, 'new property "%s" link value ' \
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1034 'must be a string'%propname
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1035 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
1036 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1037 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
1038 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
1039 raise IndexError, 'new property "%s": %s not a %s'%(
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1040 propname, entry,
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1041 self.properties[propname].classname)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1042 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
1043 value = l
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1044 propvalues[propname] = value
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1045
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1046 # figure the journal entry for this property
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1047 add = []
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1048 remove = []
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1049
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1050 # handle removals
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1051 if node.has_key(propname):
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1052 l = node[propname]
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1053 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1054 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1055 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
1056 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
1057 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1058 # register the unlink with the old linked node
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1059 if self.do_journal and self.properties[propname].do_journal:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1060 self.db.addjournal(link_class, id, 'unlink',
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1061 (self.classname, nodeid, propname))
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1062 l.remove(id)
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1063 remove.append(id)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1064
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1065 # 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
1066 for id in value:
902
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
1067 if not self.db.getclass(link_class).hasnode(id):
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1068 raise IndexError, '%s has no node %s'%(link_class, id)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1069 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
1070 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1071 # register the link with the newly linked node
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1072 if self.do_journal and self.properties[propname].do_journal:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1073 self.db.addjournal(link_class, id, 'link',
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1074 (self.classname, nodeid, propname))
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1075 l.append(id)
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1076 add.append(id)
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1077
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1078 # figure the journal entry
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1079 l = []
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1080 if add:
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1081 l.append(('add', add))
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1082 if remove:
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1083 l.append(('remove', remove))
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1084 if l:
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1085 journalvalues[propname] = tuple(l)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1086
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1087 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
1088 if value is not None and type(value) != type(''):
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1089 raise TypeError, 'new property "%s" not a string'%propname
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1090
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1091 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
1092 if not isinstance(value, password.Password):
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1093 raise TypeError, 'new property "%s" not a Password'%propname
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1094 propvalues[propname] = value
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1095
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1096 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
1097 if not isinstance(value, date.Date):
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1098 raise TypeError, 'new property "%s" not a Date'% propname
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1099 propvalues[propname] = value
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1100
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1101 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
1102 if not isinstance(value, date.Interval):
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1103 raise TypeError, 'new property "%s" not an '\
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1104 'Interval'%propname
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1105 propvalues[propname] = value
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1106
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1107 elif value is not None and isinstance(prop, Number):
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1108 try:
890
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
1109 float(value)
887
e7169d6e6e45 added tests for number type too
Richard Jones <richard@users.sourceforge.net>
parents: 886
diff changeset
1110 except ValueError:
890
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
1111 raise TypeError, 'new property "%s" not numeric'%propname
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1112
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1113 elif value is not None and isinstance(prop, Boolean):
890
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
1114 try:
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
1115 int(value)
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
1116 except ValueError:
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
1117 raise TypeError, 'new property "%s" not boolean'%propname
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1118
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1119 node[propname] = value
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
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 # 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
1122 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
1123 return
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1124
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1125 # 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
1126 self.db.setnode(self.classname, nodeid, node)
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1127
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1128 if self.do_journal:
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1129 propvalues.update(journalvalues)
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1130 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
1131
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1132 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
1133
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1134 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
1135 """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
1136
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1137 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
1138 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
1139
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1140 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
1141 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
1142
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1143 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
1144 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
1145 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1146 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
1147 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
1148
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1149 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
1150
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1151 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
1152 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
1153 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
1154 if self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1155 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
1156
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1157 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
1158
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1159 def destroy(self, nodeid):
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1160 """Destroy a node.
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1161
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1162 WARNING: this method should never be used except in extremely rare
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1163 situations where there could never be links to the node being
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1164 deleted
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1165 WARNING: use retire() instead
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1166 WARNING: the properties of this node will not be available ever again
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1167 WARNING: really, use retire() instead
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1168
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1169 Well, I think that's enough warnings. This method exists mostly to
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1170 support the session storage of the cgi interface.
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1171 """
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1172 if self.db.journaltag is None:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1173 raise DatabaseError, 'Database open read-only'
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1174 self.db.destroynode(self.classname, nodeid)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1175
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1176 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
1177 """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
1178
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1179 '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
1180 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
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 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
1183
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1184 (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
1185
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1186 '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
1187 '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
1188 """
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1189 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
1190 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
1191 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
1192
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1193 # 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
1194 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
1195 '''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
1196 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1197 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
1198
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1199 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
1200 """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
1201
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1202 '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
1203 None, or a TypeError is raised. The values of the key property on
862
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
1204 all existing nodes must be unique or a ValueError is raised. If the
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
1205 property doesn't exist, KeyError is raised.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1206 """
862
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
1207 prop = self.getprops()[propname]
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
1208 if not isinstance(prop, String):
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
1209 raise TypeError, 'key properties must be String'
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1210 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
1211
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1212 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
1213 """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
1214 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
1215
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1216 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
1217 ''' 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
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 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
1220 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
1221 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
1222 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
1223 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
1224 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
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 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
1227 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
1228 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
1229 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
1230 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
1231 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
1232 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
1233 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
1234 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
1235 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
1236 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
1237 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
1238 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
1239
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1240 # 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
1241 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
1242 """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
1243
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1244 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
1245 '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
1246 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
1247 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
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 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
1250 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1251 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
1252 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
1253 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
1254 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1255 if 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
1256 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
1257 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
1258 finally:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1259 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
1260 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
1261
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1262 # 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
1263 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
1264 """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
1265
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1266 '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
1267 '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
1268 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
1269 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
1270
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1271 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
1272 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
1273 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
1274 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
1275 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1276 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
1277 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
1278 # 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
1279 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
1280 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
1281 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
1282
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1283 # 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
1284 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
1285 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1286 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1287 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
1288 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
1289 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
1290 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1291 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
1292 # 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
1293 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
1294 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1295 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
1296 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
1297 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
1298 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
1299 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
1300 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
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 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
1303 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
1304 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
1305 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
1306 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
1307 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
1308 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1309 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
1310 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1311 finally:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1312 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
1313 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
1314
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1315 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
1316 """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
1317 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
1318
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1319 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
1320
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1321 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
1322 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1323 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
1324 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
1325 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
1326 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
1327 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
1328 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1329 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
1330 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1331 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
1332 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
1333 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
1334 continue
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 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
1336 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
1337 break
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 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
1340 finally:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1341 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
1342 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
1343
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1344 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
1345 """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
1346 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1347 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
1348 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
1349 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1350 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
1351 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
1352 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
1353 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1354 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
1355 finally:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1356 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
1357 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
1358 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
1359
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1360 # 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
1361 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
1362 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
1363 ''' 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
1364 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
1365 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
1366 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1367 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
1368
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1369 # 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
1370 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1371 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
1372 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
1373 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
1374 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
1375 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
1376 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
1377 # 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
1378 u = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1379 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
1380 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
1381 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
1382 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
1383 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1384 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
1385 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
1386 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
1387 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
1388 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
1389
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1390 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
1391 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
1392 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
1393 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
1394 # 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
1395 u = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1396 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
1397 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
1398 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
1399 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1400 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
1401 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
1402 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
1403 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
1404 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
1405 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
1406 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
1407 # 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
1408 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
1409 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
1410 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
1411 l.append((2, k, re.compile(v, re.I)))
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1412 elif isinstance(propclass, Boolean):
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1413 if type(v) is type(''):
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1414 bv = v.lower() in ('yes', 'true', 'on', '1')
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1415 else:
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1416 bv = v
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1417 l.append((6, k, bv))
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1418 elif isinstance(propclass, Number):
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1419 l.append((6, k, int(v)))
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1420 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1421 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
1422 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
1423
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1424 # 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
1425 l = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1426 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
1427 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1428 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
1429 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
1430 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
1431 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1432 # 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
1433 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
1434 # 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
1435 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
1436
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1437 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
1438 # 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
1439 # 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
1440 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1441 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
1442 # 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
1443 # 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
1444 # it
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1445 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
1446 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
1447 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1448 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1449 continue
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1450 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1451 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
1452 # 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
1453 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1454 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
1455 # 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
1456 break
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1457 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1458 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
1459 finally:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1460 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
1461 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
1462
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1463 # 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
1464 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
1465 k = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1466 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
1467 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
1468 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
1469 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
1470 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
1471 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
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 # 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
1474 m = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1475 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
1476 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
1477 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
1478 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1479 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
1480 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
1481
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1482 # 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
1483 m = []
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1484 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
1485 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
1486 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
1487 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1488 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
1489 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
1490 # 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
1491 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
1492 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
1493 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
1494 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
1495 # 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
1496 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
1497 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
1498 # 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
1499 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
1500
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1501 # 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
1502 # 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
1503 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1504 if 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
1505 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
1506 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
1507 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
1508 # 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
1509 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
1510 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
1511 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1512 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
1513 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
1514 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
1515 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
1516 # 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
1517 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
1518 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
1519
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1520 # 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
1521 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
1522 # 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
1523 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
1524 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
1525 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
1526 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
1527 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
1528 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
1529 # 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
1530 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1531 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
1532 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
1533 except:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1534 pass
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1535 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
1536 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
1537 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
1538 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
1539 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
1540 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
1541
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1542 # 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
1543 # 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
1544 # 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
1545 # 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
1546 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
1547 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
1548 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
1549 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
1550 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
1551 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
1552 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
1553 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
1554 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
1555 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
1556 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
1557 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
1558 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
1559 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
1560 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
1561 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
1562 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
1563 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
1564 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
1565 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
1566 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
1567 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
1568 else:
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 dir == '+':
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1570 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
1571 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
1572 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
1573 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
1574 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
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 # 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
1577 # 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
1578 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
1579 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
1580 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
1581 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
1582 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
1583 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
1584 if r != 0: return r
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1585 elif isinstance(propclass, Number) or isinstance(propclass, Boolean):
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1586 if dir == '+':
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1587 r = cmp(av, bv)
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1588 elif dir == '-':
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1589 r = cmp(bv, av)
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1590
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1591 # 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
1592 # 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
1593 # 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
1594 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
1595
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1596 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
1597 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
1598
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1599 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
1600 """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
1601
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1602 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
1603 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
1604 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
1605 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1606 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
1607
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1608 # 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
1609
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1610 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
1611 """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
1612 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
1613 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
1614
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1615 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
1616 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
1617 "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
1618 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
1619 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1620 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
1621 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
1622 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
1623 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
1624 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
1625 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
1626 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
1627
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1628 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
1629 """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
1630
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1631 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
1632 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
1633 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
1634 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
1635 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1636 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
1637 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
1638 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
1639 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
1640
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1641 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
1642 '''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
1643 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1644 # 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
1645 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
1646 if isinstance(propclass, String) and propclass.indexme:
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1647 try:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1648 value = str(self.get(nodeid, prop))
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1649 except IndexError:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1650 # node no longer exists - entry should be removed
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1651 self.db.indexer.purge_entry((self.classname, nodeid, prop))
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1652 else:
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1653 # and index them under (classname, nodeid, property)
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1654 self.db.indexer.add_text((self.classname, nodeid, prop),
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1655 value)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1656
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1657 #
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1658 # 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
1659 #
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1660 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
1661 """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
1662 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1663 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
1664 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
1665 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
1666
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1667 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
1668 """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
1669 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1670 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
1671 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
1672
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1673 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
1674 """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
1675 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1676 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
1677 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
1678 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
1679
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1680 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
1681 """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
1682 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1683 for 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
1684 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
1685
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1686 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
1687 '''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
1688 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
1689 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
1690
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1691 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
1692 "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
1693 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
1694 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1695 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
1696
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1697 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
1698 ''' 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
1699 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1700 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
1701 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
1702 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
1703 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
1704 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
1705
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1706 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
1707 ''' 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
1708 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1709
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1710 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
1711 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
1712 try:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1713 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
1714 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
1715 # 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
1716 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
1717 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
1718 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
1719 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
1720 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1721 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
1722
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1723 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
1724 ''' 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
1725 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
1726 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
1727 modified.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1728 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1729 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
1730 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
1731 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
1732 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
1733
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1734 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
1735 ''' 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
1736
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1737 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
1738 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
1739 '''
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1740 # 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
1741 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
1742
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1743 # 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
1744 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
1745
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1746 # 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
1747 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
1748 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
1749 else:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1750 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
1751
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1752 # 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
1753 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
1754 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
1755
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1756 # 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
1757 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
1758 # 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
1759 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
1760 """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
1761 "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
1762 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
1763 "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
1764 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1765 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
1766 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
1767 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
1768 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
1769 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
1770 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
1771 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
1772 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
1773 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
1774 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
1775 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
1776
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1777 #
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1778 #$Log: not supported by cvs2svn $
902
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
1779 #Revision 1.52 2002/07/19 03:36:34 richard
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
1780 #Implemented the destroy() method needed by the session database (and possibly
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
1781 #others). At the same time, I removed the leading underscores from the hyperdb
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
1782 #methods that Really Didn't Need Them.
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
1783 #The journal also raises IndexError now for all situations where there is a
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
1784 #request for the journal of a node that doesn't have one. It used to return
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
1785 #[] in _some_ situations, but not all. This _may_ break code, but the tests
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
1786 #pass...
b0d3d3535998 Bugger it. Here's the current shape of the new security implementation.
Richard Jones <richard@users.sourceforge.net>
parents: 891
diff changeset
1787 #
891
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1788 #Revision 1.51 2002/07/18 23:07:08 richard
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1789 #Unit tests and a few fixes.
974a4b94c5e3 Implemented the destroy() method needed by the session database...
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1790 #
890
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
1791 #Revision 1.50 2002/07/18 11:50:58 richard
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
1792 #added tests for number type too
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 887
diff changeset
1793 #
887
e7169d6e6e45 added tests for number type too
Richard Jones <richard@users.sourceforge.net>
parents: 886
diff changeset
1794 #Revision 1.49 2002/07/18 11:41:10 richard
e7169d6e6e45 added tests for number type too
Richard Jones <richard@users.sourceforge.net>
parents: 886
diff changeset
1795 #added tests for boolean type, and fixes to anydbm backend
e7169d6e6e45 added tests for number type too
Richard Jones <richard@users.sourceforge.net>
parents: 886
diff changeset
1796 #
886
816b593c755f added tests for boolean type, and fixes to anydbm backend
Richard Jones <richard@users.sourceforge.net>
parents: 880
diff changeset
1797 #Revision 1.48 2002/07/18 11:17:31 gmcm
816b593c755f added tests for boolean type, and fixes to anydbm backend
Richard Jones <richard@users.sourceforge.net>
parents: 880
diff changeset
1798 #Add Number and Boolean types to hyperdb.
816b593c755f added tests for boolean type, and fixes to anydbm backend
Richard Jones <richard@users.sourceforge.net>
parents: 880
diff changeset
1799 #Add conversion cases to web, mail & admin interfaces.
816b593c755f added tests for boolean type, and fixes to anydbm backend
Richard Jones <richard@users.sourceforge.net>
parents: 880
diff changeset
1800 #Add storage/serialization cases to back_anydbm & back_metakit.
816b593c755f added tests for boolean type, and fixes to anydbm backend
Richard Jones <richard@users.sourceforge.net>
parents: 880
diff changeset
1801 #
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1802 #Revision 1.47 2002/07/14 23:18:20 richard
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1803 #. fixed the journal bloat from multilink changes - we just log the add or
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1804 # remove operations, not the whole list
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 869
diff changeset
1805 #
869
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1806 #Revision 1.46 2002/07/14 06:06:34 richard
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1807 #Did some old TODOs
6d98bec4e52e fixed the journal bloat from multilink changes
Richard Jones <richard@users.sourceforge.net>
parents: 862
diff changeset
1808 #
862
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
1809 #Revision 1.45 2002/07/14 04:03:14 richard
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
1810 #Implemented a switch to disable journalling for a Class. CGI session
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
1811 #database now uses it.
37fb48c3a136 Did some old TODOs
Richard Jones <richard@users.sourceforge.net>
parents: 860
diff changeset
1812 #
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 858
diff changeset
1813 #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
1814 #. 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
1815 #
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 843
diff changeset
1816 #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
1817 #...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
1818 #
843
01f9d02faea1 ...except of course it's nice to use valid Python syntax
Richard Jones <richard@users.sourceforge.net>
parents: 842
diff changeset
1819 #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
1820 #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
1821 #
842
4c39d8b48fbd Be extra safe
Richard Jones <richard@users.sourceforge.net>
parents: 838
diff changeset
1822 #Revision 1.41 2002/07/10 00:21:45 richard
4c39d8b48fbd Be extra safe
Richard Jones <richard@users.sourceforge.net>
parents: 838
diff changeset
1823 #explicit database closing
4c39d8b48fbd Be extra safe
Richard Jones <richard@users.sourceforge.net>
parents: 838
diff changeset
1824 #
838
b31ac31ece69 explicit database closing
Richard Jones <richard@users.sourceforge.net>
parents: 826
diff changeset
1825 #Revision 1.40 2002/07/09 04:19:09 richard
b31ac31ece69 explicit database closing
Richard Jones <richard@users.sourceforge.net>
parents: 826
diff changeset
1826 #Added reindex command to roundup-admin.
b31ac31ece69 explicit database closing
Richard Jones <richard@users.sourceforge.net>
parents: 826
diff changeset
1827 #Fixed reindex on first access.
b31ac31ece69 explicit database closing
Richard Jones <richard@users.sourceforge.net>
parents: 826
diff changeset
1828 #Also fixed reindexing of entries that change.
b31ac31ece69 explicit database closing
Richard Jones <richard@users.sourceforge.net>
parents: 826
diff changeset
1829 #
826
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1830 #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
1831 #More indexer work:
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1832 #- 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
1833 # "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
1834 # addressed. In a nutshell:
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1835 # + 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
1836 # 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
1837 # comment=String(indexme="yes"))
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1838 # + 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
1839 # 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
1840 #- 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
1841 # 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
1842 # done in the default templates.
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1843 #- 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
1844 # set up in the dbinit.
6d7a45c8464a Added reindex command to roundup-admin.
Richard Jones <richard@users.sourceforge.net>
parents: 825
diff changeset
1845 #
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
1846 #Revision 1.38 2002/07/08 06:58:15 richard
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
1847 #cleaned up the indexer code:
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
1848 # - it splits more words out (much simpler, faster splitter)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
1849 # - 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
1850 # implementation, and replaces roundup.indexer)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
1851 # - 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
1852 # index are welcome)
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 818
diff changeset
1853 # - 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
1854 #
818
254b8d112eec cleaned up the indexer code:
Richard Jones <richard@users.sourceforge.net>
parents: 787
diff changeset
1855 #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
1856 #More informative error message
254b8d112eec cleaned up the indexer code:
Richard Jones <richard@users.sourceforge.net>
parents: 787
diff changeset
1857 #
787
b6b0a92e0738 More informative error message
Richard Jones <richard@users.sourceforge.net>
parents: 778
diff changeset
1858 #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
1859 #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
1860 #
778
fb2ce2b8b2ef Moved the file storage commit into blobfiles where it belongs.
Richard Jones <richard@users.sourceforge.net>
parents: 749
diff changeset
1861 #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
1862 #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
1863 #
749
51c425129b35 Merged search_indexing-branch with HEAD
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 719
diff changeset
1864 #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
1865 # . 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
1866 #
51c425129b35 Merged search_indexing-branch with HEAD
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 719
diff changeset
1867 #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
1868 #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
1869 #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
1870 #(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
1871 #
719
fed4c363a7f3 node caching now works, and gives a small boost in performance
Richard Jones <richard@users.sourceforge.net>
parents: 697
diff changeset
1872 #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
1873 #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
1874 #
697
210e1ae39ab1 All database files are now created group readable and writable.
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 690
diff changeset
1875 #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
1876 #. 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
1877 #
210e1ae39ab1 All database files are now created group readable and writable.
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 690
diff changeset
1878 #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
1879 #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
1880 #
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
1881 #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
1882 #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
1883 #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
1884 #
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
1885 #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
1886 #
509a101305da node ids are now generated from a lockable store - no more race conditions
Richard Jones <richard@users.sourceforge.net>
parents: 676
diff changeset
1887 #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
1888 #
749
51c425129b35 Merged search_indexing-branch with HEAD
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 719
diff changeset
1889 #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
1890 # . Added feature #526730 - search for messages capability
51c425129b35 Merged search_indexing-branch with HEAD
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 719
diff changeset
1891 #
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
1892 #Revision 1.30 2002/02/27 03:40:59 richard
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
1893 #Ran it through pychecker, made fixes
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 650
diff changeset
1894 #
650
9b2575610953 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 646
diff changeset
1895 #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
1896 # . 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
1897 # 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
1898 # ATTENTION: blobfiles now creates subdirectories for files.
9b2575610953 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 646
diff changeset
1899 #
646
07abfe8f0c01 use blobfiles in back_anydbm which is used in back_bsddb.
Engelbert Gruber <grubert@users.sourceforge.net>
parents: 624
diff changeset
1900 #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
1901 # . #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
1902 #
624
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
1903 #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
1904 #. 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
1905 #
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
1906 #... 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
1907 #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
1908 #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
1909 #process.
352d67e22d6d [SF#514854] History: "User" is always ticket creator
Richard Jones <richard@users.sourceforge.net>
parents: 570
diff changeset
1910 #
570
e346a9792335 fixed back_bsddb so it passed the journal tests
Richard Jones <richard@users.sourceforge.net>
parents: 567
diff changeset
1911 #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
1912 #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
1913 #
567
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
1914 #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
1915 #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
1916 #information on 'activity' for nodes.
9ca63f7332a7 last_set_entry was referenced before assignment
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 566
diff changeset
1917 #
566
73af3e54c309 We need to keep the last 'set' entry in the journal...
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 562
diff changeset
1918 #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
1919 #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
1920 #
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 553
diff changeset
1921 #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
1922 #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
1923 #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
1924 #
553
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
1925 #Revision 1.22 2002/01/14 02:20:15 richard
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
1926 # . 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
1927 # 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
1928 # 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
1929 # switching to a ConfigParser setup easier too, I hope.
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
1930 #
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
1931 #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
1932 #0.5.0 switch, I hope!)
10ee3427011f Rollback was breaking...
Richard Jones <richard@users.sourceforge.net>
parents: 524
diff changeset
1933 #
524
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
1934 #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
1935 #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
1936 #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
1937 # . modified ROUNDUPDBSENDMAILDEBUG to be SENDMAILDEBUG and hold a filename
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
1938 # 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
1939 # . 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
1940 # . 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
1941 #
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
1942 #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
1943 #on when I found that stuff :):
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
1944 # . #496356 ] Use threading in messages
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
1945 # . detectors were being registered multiple times
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
1946 # . added tests for mailgw
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
1947 # . 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
1948 #
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
1949 #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
1950 #Fixed bugs:
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
1951 # . 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
1952 # backend
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
1953 # . 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
1954 # . 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
1955 # . 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
1956 # omitted as an argument
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 464
diff changeset
1957 #
464
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
1958 #Revision 1.19 2001/12/17 03:52:48 richard
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
1959 #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
1960 #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
1961 #the file is called designator.property.
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
1962 #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
1963 #scheme - the FileClass just doesn't specify the property name.
29f5ac8a0d2b Fixed bugs:
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 461
diff changeset
1964 #
461
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
1965 #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
1966 #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
1967 #operation doesn't modify the oldvalues structure
b579418f7ed1 Implemented file store rollback.
Richard Jones <richard@users.sourceforge.net>
parents: 460
diff changeset
1968 #
460
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
1969 #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
1970 #yuck, a gdbm instance tests false :(
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
1971 #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
1972 #_really_ anal about performace :)
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 452
diff changeset
1973 #
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 444
diff changeset
1974 #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
1975 #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
1976 #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
1977 #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
1978 #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
1979 #
444
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
1980 #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
1981 #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
1982 #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
1983 #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
1984 #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
1985 #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
1986 #too!
3fa2268041a8 Cor blimey this anydbm/whichdb stuff is yecchy.
Richard Jones <richard@users.sourceforge.net>
parents: 443
diff changeset
1987 #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
1988 #
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
1989 #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
1990 #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
1991 #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
1992 #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
1993 #Also cleaned up some change note generation.
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
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1994 #Made the backends package work with pydoc too.
a0c598702f17 I fixed the problems with anydbm using the dbm module at the backend.
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1995 #
440
de5bf4191f11 Enabled transaction support in the bsddb backend.
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1996 #Revision 1.13 2001/12/02 05:06:16 richard
de5bf4191f11 Enabled transaction support in the bsddb backend.
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1997 #. We now use weakrefs in the Classes to keep the database reference, so
de5bf4191f11 Enabled transaction support in the bsddb backend.
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diff changeset
1998 # the close() method on the database is no longer needed.
de5bf4191f11 Enabled transaction support in the bsddb backend.
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diff changeset
1999 # I bumped the minimum python requirement up to 2.1 accordingly.
de5bf4191f11 Enabled transaction support in the bsddb backend.
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diff changeset
2000 #. #487480 ] roundup-server
de5bf4191f11 Enabled transaction support in the bsddb backend.
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diff changeset
2001 #. #487476 ] INSTALL.txt
de5bf4191f11 Enabled transaction support in the bsddb backend.
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diff changeset
2002 #
de5bf4191f11 Enabled transaction support in the bsddb backend.
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diff changeset
2003 #I also cleaned up the change message / post-edit stuff in the cgi client.
de5bf4191f11 Enabled transaction support in the bsddb backend.
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diff changeset
2004 #There's now a clearly marked "TODO: append the change note" where I believe
de5bf4191f11 Enabled transaction support in the bsddb backend.
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diff changeset
2005 #the change note should be added there. The "changes" list will obviously
de5bf4191f11 Enabled transaction support in the bsddb backend.
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diff changeset
2006 #have to be modified to be a dict of the changes, or somesuch.
de5bf4191f11 Enabled transaction support in the bsddb backend.
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diff changeset
2007 #
de5bf4191f11 Enabled transaction support in the bsddb backend.
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parents: 431
diff changeset
2008 #More testing needed.
de5bf4191f11 Enabled transaction support in the bsddb backend.
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parents: 431
diff changeset
2009 #
431
a28a80b714f9 Eliminate database close method by using weakrefs.
Richard Jones <richard@users.sourceforge.net>
parents: 430
diff changeset
2010 #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
2011 #. 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
2012 # the database when the commit() method is called. Only the anydbm
a28a80b714f9 Eliminate database close method by using weakrefs.
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parents: 430
diff changeset
2013 # 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
2014 # 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
2015 # 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
2016 #. 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
2017 # on a failure)
a28a80b714f9 Eliminate database close method by using weakrefs.
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parents: 430
diff changeset
2018 #
430
350685601f37 Database transactions.
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parents: 394
diff changeset
2019 #Revision 1.11 2001/11/21 02:34:18 richard
350685601f37 Database transactions.
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parents: 394
diff changeset
2020 #Added a target version field to the extended issue schema
350685601f37 Database transactions.
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diff changeset
2021 #
394
f43af1e97fdd Added a target version field to the extended issue schema
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diff changeset
2022 #Revision 1.10 2001/10/09 23:58:10 richard
f43af1e97fdd Added a target version field to the extended issue schema
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parents: 275
diff changeset
2023 #Moved the data stringification up into the hyperdb.Class class' get, set
f43af1e97fdd Added a target version field to the extended issue schema
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parents: 275
diff changeset
2024 #and create methods. This means that the data is also stringified for the
f43af1e97fdd Added a target version field to the extended issue schema
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parents: 275
diff changeset
2025 #journal call, and removes duplication of code from the backends. The
f43af1e97fdd Added a target version field to the extended issue schema
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parents: 275
diff changeset
2026 #backend code now only sees strings.
f43af1e97fdd Added a target version field to the extended issue schema
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parents: 275
diff changeset
2027 #
275
1cc866cec608 Moved the data stringification up into the hyperdb.Class class's...
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parents: 270
diff changeset
2028 #Revision 1.9 2001/10/09 07:25:59 richard
1cc866cec608 Moved the data stringification up into the hyperdb.Class class's...
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parents: 270
diff changeset
2029 #Added the Password property type. See "pydoc roundup.password" for
1cc866cec608 Moved the data stringification up into the hyperdb.Class class's...
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parents: 270
diff changeset
2030 #implementation details. Have updated some of the documentation too.
1cc866cec608 Moved the data stringification up into the hyperdb.Class class's...
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parents: 270
diff changeset
2031 #
270
a4241ddd22d7 Added the Password property type.
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parents: 252
diff changeset
2032 #Revision 1.8 2001/09/29 13:27:00 richard
a4241ddd22d7 Added the Password property type.
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parents: 252
diff changeset
2033 #CGI interfaces now spit up a top-level index of all the instances they can
a4241ddd22d7 Added the Password property type.
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parents: 252
diff changeset
2034 #serve.
a4241ddd22d7 Added the Password property type.
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parents: 252
diff changeset
2035 #
252
76c6994aa4e8 CGI interfaces now spit up a top-level index of all instances they can serve.
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parents: 224
diff changeset
2036 #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.
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parents: 224
diff changeset
2037 #using isinstance(blah, Foo) now instead of isFooType
76c6994aa4e8 CGI interfaces now spit up a top-level index of all instances they can serve.
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parents: 224
diff changeset
2038 #
224
ad2c98faec97 using isinstance(blah, Foo) now instead of isFooType
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diff changeset
2039 #Revision 1.6 2001/08/07 00:24:42 richard
ad2c98faec97 using isinstance(blah, Foo) now instead of isFooType
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parents: 214
diff changeset
2040 #stupid typo
ad2c98faec97 using isinstance(blah, Foo) now instead of isFooType
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parents: 214
diff changeset
2041 #
214
18134bffab37 stupid typo
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parents: 213
diff changeset
2042 #Revision 1.5 2001/08/07 00:15:51 richard
18134bffab37 stupid typo
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parents: 213
diff changeset
2043 #Added the copyright/license notice to (nearly) all files at request of
18134bffab37 stupid typo
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parents: 213
diff changeset
2044 #Bizar Software.
18134bffab37 stupid typo
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diff changeset
2045 #
213
d45384bc6420 Added the copyright/license notice to (nearly) all files...
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diff changeset
2046 #Revision 1.4 2001/07/30 01:41:36 richard
d45384bc6420 Added the copyright/license notice to (nearly) all files...
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parents: 149
diff changeset
2047 #Makes schema changes mucho easier.
d45384bc6420 Added the copyright/license notice to (nearly) all files...
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diff changeset
2048 #
149
fbc77ecf133b Makes schema changes mucho easier.
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diff changeset
2049 #Revision 1.3 2001/07/25 01:23:07 richard
fbc77ecf133b Makes schema changes mucho easier.
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parents: 71
diff changeset
2050 #Added the Roundup spec to the new documentation directory.
fbc77ecf133b Makes schema changes mucho easier.
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parents: 71
diff changeset
2051 #
71
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
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parents: 48
diff changeset
2052 #Revision 1.2 2001/07/23 08:20:44 richard
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
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parents: 48
diff changeset
2053 #Moved over to using marshal in the bsddb and anydbm backends.
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
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parents: 48
diff changeset
2054 #roundup-admin now has a "freshen" command that'll load/save all nodes (not
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
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parents: 48
diff changeset
2055 # retired - mod hyperdb.Class.list() so it lists retired nodes)
46
3c5920433866 *sigh* some databases have _foo.so as their underlying implementation.
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diff changeset
2056 #
71
5147b4c51fd5 Added the Roundup spec to the new documentation directory.
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diff changeset
2057 #
Roundup Issue Tracker: http://roundup-tracker.org/