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annotate roundup/backends/back_metakit.py @ 2163:791c66a3b738

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fixed CSV export and CGI actions returning results
author Richard Jones <richard@users.sourceforge.net>
date Tue, 30 Mar 2004 06:43:08 +0000
parents f376437cd35c
children 723098a10677
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # $Id: back_metakit.py,v 1.69 2004-03-24 05:39:47 richard Exp $
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2 '''Metakit backend for Roundup, originally by Gordon McMillan.
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3
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4 Known Current Bugs:
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5
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6 - You can't change a class' key properly. This shouldn't be too hard to fix.
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7 - Some unit tests are overridden.
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8
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9 Notes by Richard:
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10
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11 This backend has some behaviour specific to metakit:
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12
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13 - there's no concept of an explicit "unset" in metakit, so all types
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14 have some "unset" value:
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15
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16 ========= ===== ======================================================
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17 Type Value Action when fetching from mk
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18 ========= ===== ======================================================
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19 Strings '' convert to None
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20 Date 0 (seconds since 1970-01-01.00:00:00) convert to None
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21 Interval '' convert to None
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22 Number 0 ambiguious :( - do nothing (see BACKWARDS_COMPATIBLE)
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23 Boolean 0 ambiguious :( - do nothing (see BACKWARDS_COMPATABILE)
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24 Link 0 convert to None
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25 Multilink [] actually, mk can handle this one ;)
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26 Password '' convert to None
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27 ========= ===== ======================================================
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28
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29 The get/set routines handle these values accordingly by converting
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30 to/from None where they can. The Number/Boolean types are not able
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31 to handle an "unset" at all, so they default the "unset" to 0.
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32 - Metakit relies in reference counting to close the database, there is
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33 no explicit close call. This can cause issues if a metakit
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34 database is referenced multiple times, one might not actually be
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35 closing the db.
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36 - probably a bunch of stuff that I'm not aware of yet because I haven't
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37 fully read through the source. One of these days....
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38 '''
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39 __docformat__ = 'restructuredtext'
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40 # Enable this flag to break backwards compatibility (i.e. can't read old
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41 # databases) but comply with more roundup features, like adding NULL support.
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42 BACKWARDS_COMPATIBLE = 1
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43
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44 from roundup import hyperdb, date, password, roundupdb, security
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45 import metakit
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46 from sessions_dbm import Sessions, OneTimeKeys
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47 import re, marshal, os, sys, time, calendar
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48 from indexer_dbm import Indexer
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49 import locking
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50 from roundup.date import Range
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51 from blobfiles import files_in_dir
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52
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53 # view modes for opening
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54 # XXX FIXME BPK -> these don't do anything, they are ignored
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55 # should we just get rid of them for simplicities sake?
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56 READ = 0
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57 READWRITE = 1
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58
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59 # general metakit error
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60 class MKBackendError(Exception):
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61 pass
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62
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63 _dbs = {}
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64
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65 def Database(config, journaltag=None):
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66 ''' Only have a single instance of the Database class for each instance
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67 '''
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68 db = _dbs.get(config.DATABASE, None)
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69 if db is None or db._db is None:
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70 db = _Database(config, journaltag)
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71 _dbs[config.DATABASE] = db
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72 else:
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73 db.journaltag = journaltag
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74 return db
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75
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76 class _Database(hyperdb.Database, roundupdb.Database):
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77 def __init__(self, config, journaltag=None):
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78 self.config = config
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79 self.journaltag = journaltag
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80 self.classes = {}
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81 self.dirty = 0
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82 self.lockfile = None
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83 self._db = self.__open()
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84 self.indexer = Indexer(self.config.DATABASE, self._db)
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85 self.security = security.Security(self)
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86
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87 os.umask(0002)
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88
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89 def post_init(self):
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90 if self.indexer.should_reindex():
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91 self.reindex()
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92
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93 def refresh_database(self):
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94 # XXX handle refresh
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95 self.reindex()
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96
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97 def reindex(self):
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98 for klass in self.classes.values():
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99 for nodeid in klass.list():
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100 klass.index(nodeid)
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101 self.indexer.save_index()
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102
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103 def getSessionManager(self):
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104 return Sessions(self)
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105
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106 def getOTKManager(self):
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107 return OneTimeKeys(self)
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108
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109 # --- defined in ping's spec
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110 def __getattr__(self, classname):
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111 if classname == 'transactions':
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112 return self.dirty
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113 # fall back on the classes
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114 try:
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115 return self.getclass(classname)
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116 except KeyError, msg:
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117 # KeyError's not appropriate here
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118 raise AttributeError, str(msg)
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119 def getclass(self, classname):
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120 try:
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121 return self.classes[classname]
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122 except KeyError:
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123 raise KeyError, 'There is no class called "%s"'%classname
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124 def getclasses(self):
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125 return self.classes.keys()
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126 # --- end of ping's spec
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127
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128 # --- exposed methods
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129 def commit(self):
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130 '''commit all changes to the database'''
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131 if self.dirty:
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132 self._db.commit()
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133 for cl in self.classes.values():
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134 cl._commit()
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135 self.indexer.save_index()
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136 self.dirty = 0
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137 def rollback(self):
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138 '''roll back all changes since the last commit'''
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139 if self.dirty:
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140 for cl in self.classes.values():
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141 cl._rollback()
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142 self._db.rollback()
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143 self._db = None
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144 self._db = metakit.storage(self.dbnm, 1)
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145 self.hist = self._db.view('history')
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146 self.tables = self._db.view('tables')
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diff changeset
147 self.indexer.rollback()
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148 self.indexer.datadb = self._db
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149 self.dirty = 0
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150 def clearCache(self):
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151 '''clear the internal cache by committing all pending database changes'''
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152 for cl in self.classes.values():
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153 cl._commit()
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154 def clear(self):
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diff changeset
155 '''clear the internal cache but don't commit any changes'''
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156 for cl in self.classes.values():
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157 cl._clear()
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158 def hasnode(self, classname, nodeid):
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159 '''does a particular class contain a nodeid?'''
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160 return self.getclass(classname).hasnode(nodeid)
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161 def pack(self, pack_before):
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162 ''' Delete all journal entries except "create" before 'pack_before'.
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163 '''
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164 mindate = int(calendar.timegm(pack_before.get_tuple()))
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165 i = 0
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166 while i < len(self.hist):
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167 if self.hist[i].date < mindate and self.hist[i].action != _CREATE:
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168 self.hist.delete(i)
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169 else:
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170 i = i + 1
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171 def addclass(self, cl):
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172 ''' Add a Class to the hyperdatabase.
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173 '''
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174 self.classes[cl.classname] = cl
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175 if self.tables.find(name=cl.classname) < 0:
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176 self.tables.append(name=cl.classname)
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177
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178 # add default Edit and View permissions
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179 self.security.addPermission(name="Edit", klass=cl.classname,
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180 description="User is allowed to edit "+cl.classname)
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181 self.security.addPermission(name="View", klass=cl.classname,
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diff changeset
182 description="User is allowed to access "+cl.classname)
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183
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184 def addjournal(self, tablenm, nodeid, action, params, creator=None,
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diff changeset
185 creation=None):
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186 ''' Journal the Action
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187 'action' may be:
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diff changeset
188
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diff changeset
189 'create' or 'set' -- 'params' is a dictionary of property values
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190 'link' or 'unlink' -- 'params' is (classname, nodeid, propname)
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191 'retire' -- 'params' is None
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192 '''
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193 tblid = self.tables.find(name=tablenm)
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194 if tblid == -1:
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195 tblid = self.tables.append(name=tablenm)
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diff changeset
196 if creator is None:
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diff changeset
197 creator = int(self.getuid())
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198 else:
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199 try:
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200 creator = int(creator)
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201 except TypeError:
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202 creator = int(self.getclass('user').lookup(creator))
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diff changeset
203 if creation is None:
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diff changeset
204 creation = int(time.time())
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diff changeset
205 elif isinstance(creation, date.Date):
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diff changeset
206 creation = int(calendar.timegm(creation.get_tuple()))
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207 # tableid:I,nodeid:I,date:I,user:I,action:I,params:B
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208 self.hist.append(tableid=tblid,
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209 nodeid=int(nodeid),
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diff changeset
210 date=creation,
820
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211 action=action,
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diff changeset
212 user = creator,
820
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diff changeset
213 params = marshal.dumps(params))
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diff changeset
214 def getjournal(self, tablenm, nodeid):
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215 ''' get the journal for id
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216 '''
820
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217 rslt = []
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218 tblid = self.tables.find(name=tablenm)
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219 if tblid == -1:
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220 return rslt
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221 q = self.hist.select(tableid=tblid, nodeid=int(nodeid))
1177
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diff changeset
222 if len(q) == 0:
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diff changeset
223 raise IndexError, "no history for id %s in %s" % (nodeid, tablenm)
820
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224 i = 0
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diff changeset
225 #userclass = self.getclass('user')
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226 for row in q:
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227 try:
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228 params = marshal.loads(row.params)
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229 except ValueError:
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230 print "history couldn't unmarshal %r" % row.params
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231 params = {}
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232 #usernm = userclass.get(str(row.user), 'username')
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233 dt = date.Date(time.gmtime(row.date))
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diff changeset
234 #rslt.append((nodeid, dt, usernm, _actionnames[row.action], params))
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diff changeset
235 rslt.append((nodeid, dt, str(row.user), _actionnames[row.action],
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diff changeset
236 params))
820
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diff changeset
237 return rslt
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diff changeset
238
1177
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diff changeset
239 def destroyjournal(self, tablenm, nodeid):
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diff changeset
240 nodeid = int(nodeid)
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diff changeset
241 tblid = self.tables.find(name=tablenm)
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diff changeset
242 if tblid == -1:
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diff changeset
243 return
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diff changeset
244 i = 0
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diff changeset
245 hist = self.hist
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diff changeset
246 while i < len(hist):
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diff changeset
247 if hist[i].tableid == tblid and hist[i].nodeid == nodeid:
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diff changeset
248 hist.delete(i)
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diff changeset
249 else:
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diff changeset
250 i = i + 1
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diff changeset
251 self.dirty = 1
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diff changeset
252
820
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diff changeset
253 def close(self):
2039
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diff changeset
254 ''' Close off the connection.
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diff changeset
255 '''
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diff changeset
256 # de-reference count the metakit databases,
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diff changeset
257 # as this is the only way they will be closed
820
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diff changeset
258 for cl in self.classes.values():
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diff changeset
259 cl.db = None
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260 self._db = None
1143
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diff changeset
261 if self.lockfile is not None:
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diff changeset
262 locking.release_lock(self.lockfile)
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diff changeset
263 if _dbs.has_key(self.config.DATABASE):
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diff changeset
264 del _dbs[self.config.DATABASE]
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diff changeset
265 if self.lockfile is not None:
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266 self.lockfile.close()
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267 self.lockfile = None
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268 self.classes = {}
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269
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270 # force the indexer to close
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271 self.indexer.close()
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272 self.indexer = None
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273
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274 # --- internal
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275 def __open(self):
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276 ''' Open the metakit database
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277 '''
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278 # make the database dir if it doesn't exist
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279 if not os.path.exists(self.config.DATABASE):
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280 os.makedirs(self.config.DATABASE)
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281
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282 # figure the file names
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283 self.dbnm = db = os.path.join(self.config.DATABASE, 'tracker.mk4')
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284 lockfilenm = db[:-3]+'lck'
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285
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286 # get the database lock
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287 self.lockfile = locking.acquire_lock(lockfilenm)
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288 self.lockfile.write(str(os.getpid()))
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289 self.lockfile.flush()
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290
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291 # see if the schema has changed since last db access
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292 self.fastopen = 0
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293 if os.path.exists(db):
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294 dbtm = os.path.getmtime(db)
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295 pkgnm = self.config.__name__.split('.')[0]
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296 schemamod = sys.modules.get(pkgnm+'.dbinit', None)
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297 if schemamod:
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298 if os.path.exists(schemamod.__file__):
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299 schematm = os.path.getmtime(schemamod.__file__)
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300 if schematm < dbtm:
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301 # found schema mod - it's older than the db
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302 self.fastopen = 1
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diff changeset
303 else:
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304 # can't find schemamod - must be frozen
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305 self.fastopen = 1
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306
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307 # open the db
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308 db = metakit.storage(db, 1)
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309 hist = db.view('history')
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310 tables = db.view('tables')
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311 if not self.fastopen:
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diff changeset
312 # create the database if it's brand new
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313 if not hist.structure():
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diff changeset
314 hist = db.getas('history[tableid:I,nodeid:I,date:I,user:I,action:I,params:B]')
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diff changeset
315 if not tables.structure():
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diff changeset
316 tables = db.getas('tables[name:S]')
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
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parents: 1176
diff changeset
317 db.commit()
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diff changeset
318
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319 # we now have an open, initialised database
820
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320 self.tables = tables
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diff changeset
321 self.hist = hist
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322 return db
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323
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diff changeset
324 def setid(self, classname, maxid):
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325 ''' No-op in metakit
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diff changeset
326 '''
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327 pass
2103
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diff changeset
328
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diff changeset
329 def numfiles(self):
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330 '''Get number of files in storage, even across subdirectories.
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331 '''
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diff changeset
332 files_dir = os.path.join(self.config.DATABASE, 'files')
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parents: 2098
diff changeset
333 return files_in_dir(files_dir)
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diff changeset
334
820
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335 _STRINGTYPE = type('')
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336 _LISTTYPE = type([])
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337 _CREATE, _SET, _RETIRE, _LINK, _UNLINK, _RESTORE = range(6)
820
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338
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339 _actionnames = {
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340 _CREATE : 'create',
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341 _SET : 'set',
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342 _RETIRE : 'retire',
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343 _RESTORE : 'restore',
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344 _LINK : 'link',
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345 _UNLINK : 'unlink',
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diff changeset
346 }
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347
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diff changeset
348 _marker = []
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349
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diff changeset
350 _ALLOWSETTINGPRIVATEPROPS = 0
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diff changeset
351
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1eba6b6ca159 fix more metakit dumbness
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parents: 1920
diff changeset
352 class Class(hyperdb.Class):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
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parents: 2005
diff changeset
353 ''' The handle to a particular class of nodes in a hyperdatabase.
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diff changeset
354
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parents: 2005
diff changeset
355 All methods except __repr__ and getnode must be implemented by a
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parents: 2005
diff changeset
356 concrete backend Class of which this is one.
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diff changeset
357 '''
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diff changeset
358
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359 privateprops = None
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360 def __init__(self, db, classname, **properties):
1994
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parents: 1990
diff changeset
361 if (properties.has_key('creation') or properties.has_key('activity')
2090
ad1ef1d9f5a1 This is my attempt to include the "actor" property in the metakit backend...
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parents: 2089
diff changeset
362 or properties.has_key('creator') or properties.has_key('actor')):
1994
bd82a76c48ff Many database-interface improvements.
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parents: 1990
diff changeset
363 raise ValueError, '"creation", "activity" and "creator" are '\
bd82a76c48ff Many database-interface improvements.
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parents: 1990
diff changeset
364 'reserved'
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parents: 1990
diff changeset
365 if hasattr(db, classname):
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parents: 1990
diff changeset
366 raise ValueError, "Class %s already exists"%classname
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parents: 1990
diff changeset
367
918
fd95d395060f Lock the database, which means another round of making sure there's only one.
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parents: 916
diff changeset
368 self.db = db
831
9a4aa0b107de Updates to use Richard's cool new indexer.
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parents: 822
diff changeset
369 self.classname = classname
1994
bd82a76c48ff Many database-interface improvements.
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parents: 1990
diff changeset
370 self.key = None
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
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diff changeset
371 self.ruprops = properties
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diff changeset
372 self.privateprops = { 'id' : hyperdb.String(),
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diff changeset
373 'activity' : hyperdb.Date(),
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ad1ef1d9f5a1 This is my attempt to include the "actor" property in the metakit backend...
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diff changeset
374 'actor' : hyperdb.Link('user'),
820
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parents:
diff changeset
375 'creation' : hyperdb.Date(),
1176
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1175
diff changeset
376 'creator' : hyperdb.Link('user') }
1333
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diff changeset
377
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
378 # event -> list of callables
1519
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Andrey Lebedev <kedder@users.sourceforge.net>
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diff changeset
379 self.auditors = {'create': [], 'set': [], 'retire': [], 'restore': []}
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diff changeset
380 self.reactors = {'create': [], 'set': [], 'retire': [], 'restore': []}
1333
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diff changeset
381
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
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diff changeset
382 view = self.__getview()
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parents:
diff changeset
383 self.maxid = 1
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parents:
diff changeset
384 if view:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
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parents:
diff changeset
385 self.maxid = view[-1].id + 1
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parents:
diff changeset
386 self.uncommitted = {}
2103
8c6c0d40f9c8 more metakit fixes
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parents: 2098
diff changeset
387 self.comactions = []
820
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parents:
diff changeset
388 self.rbactions = []
1333
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diff changeset
389
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
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parents:
diff changeset
390 # people reach inside!!
d75ce81534db Metakit backend. Metakit's home is equi4.com.
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parents:
diff changeset
391 self.properties = self.ruprops
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parents:
diff changeset
392 self.db.addclass(self)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
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parents:
diff changeset
393 self.idcache = {}
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
394
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
395 # default is to journal changes
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
396 self.do_journal = 1
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
397
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
398 def enableJournalling(self):
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
399 '''Turn journalling on for this class
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
400 '''
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
401 self.do_journal = 1
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
402
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
403 def disableJournalling(self):
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
404 '''Turn journalling off for this class
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
405 '''
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
406 self.do_journal = 0
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
407
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
408 #
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
409 # Detector/reactor interface
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
410 #
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
411 def audit(self, event, detector):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
412 '''Register a detector
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
413 '''
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
414 l = self.auditors[event]
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
415 if detector not in l:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
416 self.auditors[event].append(detector)
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
417
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
418 def fireAuditors(self, action, nodeid, newvalues):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
419 '''Fire all registered auditors.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
420 '''
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
421 for audit in self.auditors[action]:
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
422 audit(self.db, self, nodeid, newvalues)
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
423
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
424 def react(self, event, detector):
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
425 '''Register a reactor
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
426 '''
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
427 l = self.reactors[event]
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
428 if detector not in l:
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
429 self.reactors[event].append(detector)
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
430
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
431 def fireReactors(self, action, nodeid, oldvalues):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
432 '''Fire all registered reactors.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
433 '''
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
434 for react in self.reactors[action]:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
435 react(self.db, self, nodeid, oldvalues)
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
436
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
437 # --- the hyperdb.Class methods
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
438 def create(self, **propvalues):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
439 ''' Create a new node of this class and return its id.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
440
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
441 The keyword arguments in 'propvalues' map property names to values.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
442
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
443 The values of arguments must be acceptable for the types of their
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
444 corresponding properties or a TypeError is raised.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
445
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
446 If this class has a key property, it must be present and its value
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
447 must not collide with other key strings or a ValueError is raised.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
448
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
449 Any other properties on this class that are missing from the
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
450 'propvalues' dictionary are set to None.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
451
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
452 If an id in a link or multilink property does not refer to a valid
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
453 node, an IndexError is raised.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
454 '''
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
455 if not propvalues:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
456 raise ValueError, "Need something to create!"
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
457 self.fireAuditors('create', None, propvalues)
1431
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1417
diff changeset
458 newid = self.create_inner(**propvalues)
2091
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
459 self.fireReactors('create', newid, None)
1431
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1417
diff changeset
460 return newid
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1417
diff changeset
461
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1417
diff changeset
462 def create_inner(self, **propvalues):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
463 ''' Called by create, in-between the audit and react calls.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
464 '''
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
465 rowdict = {}
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
466 rowdict['id'] = newid = self.maxid
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
467 self.maxid += 1
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
468 ndx = self.getview(READWRITE).append(rowdict)
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
469 propvalues['#ISNEW'] = 1
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
470 try:
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
471 self.set(str(newid), **propvalues)
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
472 except Exception:
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
473 self.maxid -= 1
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
474 raise
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
475 return str(newid)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
476
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
477 def get(self, nodeid, propname, default=_marker, cache=1):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
478 '''Get the value of a property on an existing node of this class.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
479
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
480 'nodeid' must be the id of an existing node of this class or an
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
481 IndexError is raised. 'propname' must be the name of a property
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
482 of this class or a KeyError is raised.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
483
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
484 'cache' exists for backwards compatibility, and is not used.
1780
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1751
diff changeset
485 '''
1995
b7c9867aca19 Changed to 1.56
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1994
diff changeset
486 view = self.getview()
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
487 id = int(nodeid)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
488 if cache == 0:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
489 oldnode = self.uncommitted.get(id, None)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
490 if oldnode and oldnode.has_key(propname):
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
491 raw = oldnode[propname]
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
492 converter = _converters.get(rutyp.__class__, None)
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
493 if converter:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
494 return converter(raw)
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
495 return raw
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
496 ndx = self.idcache.get(id, None)
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
497
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
498 if ndx is None:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
499 ndx = view.find(id=id)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
500 if ndx < 0:
831
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
501 raise IndexError, "%s has no node %s" % (self.classname, nodeid)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
502 self.idcache[id] = ndx
854
3cdfa5d86cec Added metakit backend to the db tests...
Richard Jones <richard@users.sourceforge.net>
parents: 832
diff changeset
503 try:
3cdfa5d86cec Added metakit backend to the db tests...
Richard Jones <richard@users.sourceforge.net>
parents: 832
diff changeset
504 raw = getattr(view[ndx], propname)
3cdfa5d86cec Added metakit backend to the db tests...
Richard Jones <richard@users.sourceforge.net>
parents: 832
diff changeset
505 except AttributeError:
3cdfa5d86cec Added metakit backend to the db tests...
Richard Jones <richard@users.sourceforge.net>
parents: 832
diff changeset
506 raise KeyError, propname
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
507 rutyp = self.ruprops.get(propname, None)
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
508
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
509 if rutyp is None:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
510 rutyp = self.privateprops[propname]
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
511
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
512 converter = _converters.get(rutyp.__class__, None)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
513 if converter:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
514 raw = converter(raw)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
515 return raw
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
516
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
517 def set(self, nodeid, **propvalues):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
518 '''Modify a property on an existing node of this class.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
519
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
520 'nodeid' must be the id of an existing node of this class or an
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
521 IndexError is raised.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
522
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
523 Each key in 'propvalues' must be the name of a property of this
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
524 class or a KeyError is raised.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
525
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
526 All values in 'propvalues' must be acceptable types for their
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
527 corresponding properties or a TypeError is raised.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
528
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
529 If the value of the key property is set, it must not collide with
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
530 other key strings or a ValueError is raised.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
531
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
532 If the value of a Link or Multilink property contains an invalid
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
533 node id, a ValueError is raised.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
534 '''
2091
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
535 self.fireAuditors('set', nodeid, propvalues)
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
536 propvalues, oldnode = self.set_inner(nodeid, **propvalues)
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
537 self.fireReactors('set', nodeid, oldnode)
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
538
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
539 def set_inner(self, nodeid, **propvalues):
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
540 '''Called outside of auditors'''
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
541 isnew = 0
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
542 if propvalues.has_key('#ISNEW'):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
543 isnew = 1
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
544 del propvalues['#ISNEW']
2091
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
545
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
546 if propvalues.has_key('id'):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
547 raise KeyError, '"id" is reserved'
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
548 if self.db.journaltag is None:
1176
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1175
diff changeset
549 raise hyperdb.DatabaseError, 'Database open read-only'
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
550 view = self.getview(READWRITE)
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
551
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
552 # node must exist & not be retired
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
553 id = int(nodeid)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
554 ndx = view.find(id=id)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
555 if ndx < 0:
831
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
556 raise IndexError, "%s has no node %s" % (self.classname, nodeid)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
557 row = view[ndx]
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
558 if row._isdel:
831
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
559 raise IndexError, "%s has no node %s" % (self.classname, nodeid)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
560 oldnode = self.uncommitted.setdefault(id, {})
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
561 changes = {}
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
562
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
563 for key, value in propvalues.items():
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
564 # this will raise the KeyError if the property isn't valid
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
565 # ... we don't use getprops() here because we only care about
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
566 # the writeable properties.
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
567 if _ALLOWSETTINGPRIVATEPROPS:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
568 prop = self.ruprops.get(key, None)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
569 if not prop:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
570 prop = self.privateprops[key]
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
571 else:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
572 prop = self.ruprops[key]
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
573 converter = _converters.get(prop.__class__, lambda v: v)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
574 # if the value's the same as the existing value, no sense in
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
575 # doing anything
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
576 oldvalue = converter(getattr(row, key))
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
577 if value == oldvalue:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
578 del propvalues[key]
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
579 continue
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
580
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
581 # check to make sure we're not duplicating an existing key
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
582 if key == self.key:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
583 iv = self.getindexview(READWRITE)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
584 ndx = iv.find(k=value)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
585 if ndx == -1:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
586 iv.append(k=value, i=row.id)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
587 if not isnew:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
588 ndx = iv.find(k=oldvalue)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
589 if ndx > -1:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
590 iv.delete(ndx)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
591 else:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
592 raise ValueError, 'node with key "%s" exists'%value
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
593
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
594 # do stuff based on the prop type
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
595 if isinstance(prop, hyperdb.Link):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
596 link_class = prop.classname
927
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 926
diff changeset
597 # must be a string or None
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 926
diff changeset
598 if value is not None and not isinstance(value, type('')):
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 926
diff changeset
599 raise ValueError, 'property "%s" link value be a string'%(
1176
bd3b57859c37 On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents: 1175
diff changeset
600 key)
930
3c344e942055 Use same regex to split search terms as used to index text.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 927
diff changeset
601 # Roundup sets to "unselected" by passing None
3c344e942055 Use same regex to split search terms as used to index text.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 927
diff changeset
602 if value is None:
3c344e942055 Use same regex to split search terms as used to index text.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 927
diff changeset
603 value = 0
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
604 # if it isn't a number, it's a key
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
605 try:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
606 int(value)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
607 except ValueError:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
608 try:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
609 value = self.db.getclass(link_class).lookup(value)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
610 except (TypeError, KeyError):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
611 raise IndexError, 'new property "%s": %s not a %s'%(
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
612 key, value, prop.classname)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
613
927
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 926
diff changeset
614 if (value is not None and
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 926
diff changeset
615 not self.db.getclass(link_class).hasnode(value)):
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
616 raise IndexError, '%s has no node %s'%(link_class, value)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
617
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
618 setattr(row, key, int(value))
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
619 changes[key] = oldvalue
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
620
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
621 if self.do_journal and prop.do_journal:
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
622 # register the unlink with the old linked node
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
623 if oldvalue:
1392
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
624 self.db.addjournal(link_class, oldvalue, _UNLINK,
927
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 926
diff changeset
625 (self.classname, str(row.id), key))
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
626
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
627 # register the link with the newly linked node
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
628 if value:
927
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 926
diff changeset
629 self.db.addjournal(link_class, value, _LINK,
51519406b73e web forms may now unset Link values (like assignedto)
Richard Jones <richard@users.sourceforge.net>
parents: 926
diff changeset
630 (self.classname, str(row.id), key))
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
631
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
632 elif isinstance(prop, hyperdb.Multilink):
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
633 if value is not None and type(value) != _LISTTYPE:
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
634 raise TypeError, 'new property "%s" not a list of ids'%key
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
635 link_class = prop.classname
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
636 l = []
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
637 if value is None:
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
638 value = []
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
639 for entry in value:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
640 if type(entry) != _STRINGTYPE:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
641 raise ValueError, 'new property "%s" link value ' \
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
642 'must be a string'%key
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
643 # if it isn't a number, it's a key
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
644 try:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
645 int(entry)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
646 except ValueError:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
647 try:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
648 entry = self.db.getclass(link_class).lookup(entry)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
649 except (TypeError, KeyError):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
650 raise IndexError, 'new property "%s": %s not a %s'%(
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
651 key, entry, prop.classname)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
652 l.append(entry)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
653 propvalues[key] = value = l
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
654
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
655 # handle removals
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
656 rmvd = []
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
657 for id in oldvalue:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
658 if id not in value:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
659 rmvd.append(id)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
660 # register the unlink with the old linked node
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
661 if self.do_journal and prop.do_journal:
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
662 self.db.addjournal(link_class, id, _UNLINK,
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
663 (self.classname, str(row.id), key))
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
664
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
665 # handle additions
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
666 adds = []
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
667 for id in value:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
668 if id not in oldvalue:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
669 if not self.db.getclass(link_class).hasnode(id):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
670 raise IndexError, '%s has no node %s'%(
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
671 link_class, id)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
672 adds.append(id)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
673 # 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: 859
diff changeset
674 if self.do_journal and prop.do_journal:
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
675 self.db.addjournal(link_class, id, _LINK,
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
676 (self.classname, str(row.id), key))
1385
2bd4822f96a6 - more fixes to CGI form handling
Richard Jones <richard@users.sourceforge.net>
parents: 1351
diff changeset
677
2bd4822f96a6 - more fixes to CGI form handling
Richard Jones <richard@users.sourceforge.net>
parents: 1351
diff changeset
678 # perform the modifications on the actual property value
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
679 sv = getattr(row, key)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
680 i = 0
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
681 while i < len(sv):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
682 if str(sv[i].fid) in rmvd:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
683 sv.delete(i)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
684 else:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
685 i += 1
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
686 for id in adds:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
687 sv.append(fid=int(id))
1385
2bd4822f96a6 - more fixes to CGI form handling
Richard Jones <richard@users.sourceforge.net>
parents: 1351
diff changeset
688
2bd4822f96a6 - more fixes to CGI form handling
Richard Jones <richard@users.sourceforge.net>
parents: 1351
diff changeset
689 # figure the journal entry
2bd4822f96a6 - more fixes to CGI form handling
Richard Jones <richard@users.sourceforge.net>
parents: 1351
diff changeset
690 l = []
2bd4822f96a6 - more fixes to CGI form handling
Richard Jones <richard@users.sourceforge.net>
parents: 1351
diff changeset
691 if adds:
2bd4822f96a6 - more fixes to CGI form handling
Richard Jones <richard@users.sourceforge.net>
parents: 1351
diff changeset
692 l.append(('+', adds))
2bd4822f96a6 - more fixes to CGI form handling
Richard Jones <richard@users.sourceforge.net>
parents: 1351
diff changeset
693 if rmvd:
2bd4822f96a6 - more fixes to CGI form handling
Richard Jones <richard@users.sourceforge.net>
parents: 1351
diff changeset
694 l.append(('-', rmvd))
2bd4822f96a6 - more fixes to CGI form handling
Richard Jones <richard@users.sourceforge.net>
parents: 1351
diff changeset
695 if l:
2bd4822f96a6 - more fixes to CGI form handling
Richard Jones <richard@users.sourceforge.net>
parents: 1351
diff changeset
696 changes[key] = tuple(l)
2bd4822f96a6 - more fixes to CGI form handling
Richard Jones <richard@users.sourceforge.net>
parents: 1351
diff changeset
697 #changes[key] = oldvalue
2bd4822f96a6 - more fixes to CGI form handling
Richard Jones <richard@users.sourceforge.net>
parents: 1351
diff changeset
698
930
3c344e942055 Use same regex to split search terms as used to index text.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 927
diff changeset
699 if not rmvd and not adds:
3c344e942055 Use same regex to split search terms as used to index text.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 927
diff changeset
700 del propvalues[key]
1389
7f9bd5b1e798 *** empty log message ***
Richard Jones <richard@users.sourceforge.net>
parents: 1385
diff changeset
701
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
702 elif isinstance(prop, hyperdb.String):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
703 if value is not None and type(value) != _STRINGTYPE:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
704 raise TypeError, 'new property "%s" not a string'%key
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
705 if value is None:
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
706 value = ''
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
707 setattr(row, key, value)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
708 changes[key] = oldvalue
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
709 if hasattr(prop, 'isfilename') and prop.isfilename:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
710 propvalues[key] = os.path.basename(value)
1243
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
711 if prop.indexme:
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
712 self.db.indexer.add_text((self.classname, nodeid, key),
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
713 value, 'text/plain')
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
714
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
715 elif isinstance(prop, hyperdb.Password):
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
716 if value is not None and not isinstance(value, password.Password):
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
717 raise TypeError, 'new property "%s" not a Password'% key
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
718 if value is None:
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
719 value = ''
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
720 setattr(row, key, str(value))
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
721 changes[key] = str(oldvalue)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
722 propvalues[key] = str(value)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
723
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
724 elif isinstance(prop, hyperdb.Date):
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
725 if value is not None and not isinstance(value, date.Date):
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
726 raise TypeError, 'new property "%s" not a Date'% key
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
727 if value is None:
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
728 setattr(row, key, 0)
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
729 else:
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
730 setattr(row, key, int(calendar.timegm(value.get_tuple())))
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
731 changes[key] = str(oldvalue)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
732 propvalues[key] = str(value)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
733
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
734 elif isinstance(prop, hyperdb.Interval):
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
735 if value is not None and not isinstance(value, date.Interval):
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
736 raise TypeError, 'new property "%s" not an Interval'% key
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
737 if value is None:
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
738 setattr(row, key, '')
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
739 else:
1596
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
740 # kedder: we should store interval values serialized
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
741 setattr(row, key, value.serialise())
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
742 changes[key] = str(oldvalue)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
743 propvalues[key] = str(value)
1596
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
744
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
745 elif isinstance(prop, hyperdb.Number):
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
746 if value is None:
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
747 v = 0
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
748 else:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
749 try:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
750 v = int(value)
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
751 except ValueError:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
752 raise TypeError, "%s (%s) is not numeric"%(key, repr(value))
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
753 if not BACKWARDS_COMPATIBLE:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
754 if v >=0:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
755 v = v + 1
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
756 setattr(row, key, v)
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 874
diff changeset
757 changes[key] = oldvalue
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 874
diff changeset
758 propvalues[key] = value
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
759
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
760 elif isinstance(prop, hyperdb.Boolean):
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
761 if value is None:
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
762 bv = 0
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
763 elif value not in (0,1):
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
764 raise TypeError, "%s (%s) is not boolean"%(key, repr(value))
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
765 else:
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
766 bv = value
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
767 if not BACKWARDS_COMPATIBLE:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
768 bv += 1
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 874
diff changeset
769 setattr(row, key, bv)
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 874
diff changeset
770 changes[key] = oldvalue
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 874
diff changeset
771 propvalues[key] = value
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
772
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
773 oldnode[key] = oldvalue
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
774
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
775 # nothing to do?
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
776 if not propvalues:
2091
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
777 return propvalues, oldnode
874
b9da8729d8ff Fix bug in setting activity.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 872
diff changeset
778 if not propvalues.has_key('activity'):
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
779 row.activity = int(time.time())
2090
ad1ef1d9f5a1 This is my attempt to include the "actor" property in the metakit backend...
Richard Jones <richard@users.sourceforge.net>
parents: 2089
diff changeset
780 if not propvalues.has_key('actor'):
ad1ef1d9f5a1 This is my attempt to include the "actor" property in the metakit backend...
Richard Jones <richard@users.sourceforge.net>
parents: 2089
diff changeset
781 row.actor = int(self.db.getuid())
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
782 if isnew:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
783 if not row.creation:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
784 row.creation = int(time.time())
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
785 if not row.creator:
1912
2b0ab61db194 fixes for [SF#818339]
Richard Jones <richard@users.sourceforge.net>
parents: 1840
diff changeset
786 row.creator = int(self.db.getuid())
1431
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1417
diff changeset
787
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
788 self.db.dirty = 1
2091
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
789
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
790 if self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
791 if isnew:
2104
f376437cd35c more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2103
diff changeset
792 self.db.addjournal(self.classname, nodeid, _CREATE, {})
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
793 else:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
794 self.db.addjournal(self.classname, nodeid, _SET, changes)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
795
2091
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
796 return propvalues, oldnode
930
3c344e942055 Use same regex to split search terms as used to index text.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 927
diff changeset
797
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
798 def retire(self, nodeid):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
799 '''Retire a node.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
800
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
801 The properties on the node remain available from the get() method,
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
802 and the node's id is never reused.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
803
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
804 Retired nodes are not returned by the find(), list(), or lookup()
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
805 methods, and other nodes may reuse the values of their key properties.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
806 '''
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
807 if self.db.journaltag is None:
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
808 raise hyperdb.DatabaseError, 'Database open read-only'
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
809 self.fireAuditors('retire', nodeid, None)
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
810 view = self.getview(READWRITE)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
811 ndx = view.find(id=int(nodeid))
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
812 if ndx < 0:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
813 raise KeyError, "nodeid %s not found" % nodeid
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
814
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
815 row = view[ndx]
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
816 oldvalues = self.uncommitted.setdefault(row.id, {})
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
817 oldval = oldvalues['_isdel'] = row._isdel
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
818 row._isdel = 1
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
819
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
820 if self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
821 self.db.addjournal(self.classname, nodeid, _RETIRE, {})
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
822 if self.key:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
823 iv = self.getindexview(READWRITE)
1995
b7c9867aca19 Changed to 1.56
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1994
diff changeset
824 ndx = iv.find(k=getattr(row, self.key))
b7c9867aca19 Changed to 1.56
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1994
diff changeset
825 # find is broken with multiple attribute lookups
b7c9867aca19 Changed to 1.56
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1994
diff changeset
826 # on ordered views
b7c9867aca19 Changed to 1.56
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1994
diff changeset
827 #ndx = iv.find(k=getattr(row, self.key),i=row.id)
b7c9867aca19 Changed to 1.56
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1994
diff changeset
828 if ndx > -1 and iv[ndx].i == row.id:
926
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
829 iv.delete(ndx)
1995
b7c9867aca19 Changed to 1.56
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1994
diff changeset
830
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
831 self.db.dirty = 1
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
832 self.fireReactors('retire', nodeid, None)
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
833
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
834 def restore(self, nodeid):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
835 '''Restore a retired node.
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
836
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
837 Make node available for all operations like it was before retirement.
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
838 '''
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
839 if self.db.journaltag is None:
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
840 raise hyperdb.DatabaseError, 'Database open read-only'
1523
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1519
diff changeset
841
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1519
diff changeset
842 # check if key property was overrided
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1519
diff changeset
843 key = self.getkey()
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1519
diff changeset
844 keyvalue = self.get(nodeid, key)
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
845
1523
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1519
diff changeset
846 try:
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1519
diff changeset
847 id = self.lookup(keyvalue)
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1519
diff changeset
848 except KeyError:
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1519
diff changeset
849 pass
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1519
diff changeset
850 else:
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1519
diff changeset
851 raise KeyError, "Key property (%s) of retired node clashes with \
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1519
diff changeset
852 existing one (%s)" % (key, keyvalue)
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1519
diff changeset
853 # Now we can safely restore node
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
854 self.fireAuditors('restore', nodeid, None)
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
855 view = self.getview(READWRITE)
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
856 ndx = view.find(id=int(nodeid))
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
857 if ndx < 0:
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
858 raise KeyError, "nodeid %s not found" % nodeid
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
859
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
860 row = view[ndx]
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
861 oldvalues = self.uncommitted.setdefault(row.id, {})
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
862 oldval = oldvalues['_isdel'] = row._isdel
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
863 row._isdel = 0
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
864
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
865 if self.do_journal:
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
866 self.db.addjournal(self.classname, nodeid, _RESTORE, {})
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
867 if self.key:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
868 iv = self.getindexview(READWRITE)
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
869 ndx = iv.find(k=getattr(row, self.key),i=row.id)
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
870 if ndx > -1:
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
871 iv.delete(ndx)
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
872 self.db.dirty = 1
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
873 self.fireReactors('restore', nodeid, None)
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1508
diff changeset
874
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
875 def is_retired(self, nodeid):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
876 '''Return true if the node is retired
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
877 '''
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
878 view = self.getview(READWRITE)
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
879 # node must exist & not be retired
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
880 id = int(nodeid)
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
881 ndx = view.find(id=id)
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
882 if ndx < 0:
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
883 raise IndexError, "%s has no node %s" % (self.classname, nodeid)
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
884 row = view[ndx]
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
885 return row._isdel
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
886
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
887 def history(self, nodeid):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
888 '''Retrieve the journal of edits on a particular node.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
889
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
890 'nodeid' must be the id of an existing node of this class or an
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
891 IndexError is raised.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
892
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
893 The returned list contains tuples of the form
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
894
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
895 (nodeid, date, tag, action, params)
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
896
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
897 'date' is a Timestamp object specifying the time of the change and
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
898 'tag' is the journaltag specified when the database was opened.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
899 '''
860
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
900 if not self.do_journal:
2df32a73eb45 Implemented a switch to disable journalling for a Class.
Richard Jones <richard@users.sourceforge.net>
parents: 859
diff changeset
901 raise ValueError, 'Journalling is disabled for this class'
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
902 return self.db.getjournal(self.classname, nodeid)
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
903
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
904 def setkey(self, propname):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
905 '''Select a String property of this class to be the key property.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
906
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
907 'propname' must be the name of a String property of this class or
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
908 None, or a TypeError is raised. The values of the key property on
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
909 all existing nodes must be unique or a ValueError is raised.
2040
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
910 '''
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
911 if self.key:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
912 if propname == self.key:
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
913 return
2040
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
914 else:
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
915 # drop the old key table
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
916 tablename = "_%s.%s"%(self.classname, self.key)
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
917 self.db._db.getas(tablename)
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
918
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
919 #raise ValueError, "%s already indexed on %s"%(self.classname,
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
920 # self.key)
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
921
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
922 prop = self.properties.get(propname, None)
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
923 if prop is None:
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
924 prop = self.privateprops.get(propname, None)
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
925 if prop is None:
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
926 raise KeyError, "no property %s" % propname
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
927 if not isinstance(prop, hyperdb.String):
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
928 raise TypeError, "%s is not a String" % propname
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
929
2040
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
930 # the way he index on properties is by creating a
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
931 # table named _%(classname)s.%(key)s, if this table
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
932 # exists then everything is okay. If this table
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
933 # doesn't exist, then generate a new table on the
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
934 # key value.
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
935
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
936 # first setkey for this run or key has been changed
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
937 self.key = propname
2040
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
938 tablename = "_%s.%s"%(self.classname, self.key)
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
939
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
940 iv = self.db._db.view(tablename)
872
bd6211d39328 Saving, running & editing queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 860
diff changeset
941 if self.db.fastopen and iv.structure():
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
942 return
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
943
2040
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
944 # very first setkey ever or the key has changed
872
bd6211d39328 Saving, running & editing queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 860
diff changeset
945 self.db.dirty = 1
2040
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
946 iv = self.db._db.getas('_%s[k:S,i:I]' % tablename)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
947 iv = iv.ordered(1)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
948 for row in self.getview():
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
949 iv.append(k=getattr(row, propname), i=row.id)
872
bd6211d39328 Saving, running & editing queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 860
diff changeset
950 self.db.commit()
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
951
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
952 def getkey(self):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
953 '''Return the name of the key property for this class or None.'''
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
954 return self.key
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
955
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
956 def lookup(self, keyvalue):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
957 '''Locate a particular node by its key property and return its id.
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
958
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
959 If this class has no key property, a TypeError is raised. If the
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
960 keyvalue matches one of the values for the key property among
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
961 the nodes in this class, the matching node's id is returned;
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
962 otherwise a KeyError is raised.
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
963 '''
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
964 if not self.key:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
965 raise TypeError, 'No key property set for class %s'%self.classname
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
966
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
967 if type(keyvalue) is not _STRINGTYPE:
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
968 raise TypeError, '%r is not a string'%keyvalue
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
969
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
970 # XXX FIX ME -> this is a bit convoluted
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
971 # First we search the index view to get the id
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
972 # which is a quicker look up.
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
973 # Then we lookup the row with id=id
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
974 # if the _isdel property of the row is 0, return the
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
975 # string version of the id. (Why string version???)
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
976 #
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
977 # Otherwise, just lookup the non-indexed key
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
978 # in the non-index table and check the _isdel property
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
979 iv = self.getindexview()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
980 if iv:
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
981 # look up the index view for the id,
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
982 # then instead of looking up the keyvalue, lookup the
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
983 # quicker id
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
984 ndx = iv.find(k=keyvalue)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
985 if ndx > -1:
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
986 view = self.getview()
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
987 ndx = view.find(id=iv[ndx].i)
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
988 if ndx > -1:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
989 row = view[ndx]
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
990 if not row._isdel:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
991 return str(row.id)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
992 else:
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
993 # perform the slower query
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
994 view = self.getview()
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
995 ndx = view.find({self.key:keyvalue})
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
996 if ndx > -1:
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
997 row = view[ndx]
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
998 if not row._isdel:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
999 return str(row.id)
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1000
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1001 raise KeyError, keyvalue
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1002
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1003 def destroy(self, id):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1004 '''Destroy a node.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1005
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1006 WARNING: this method should never be used except in extremely rare
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1007 situations where there could never be links to the node being
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1008 deleted
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1009
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1010 WARNING: use retire() instead
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1011
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1012 WARNING: the properties of this node will not be available ever again
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1013
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1014 WARNING: really, use retire() instead
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1015
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1016 Well, I think that's enough warnings. This method exists mostly to
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1017 support the session storage of the cgi interface.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1018
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1019 The node is completely removed from the hyperdb, including all journal
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1020 entries. It will no longer be available, and will generally break code
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1021 if there are any references to the node.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1022 '''
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1023 view = self.getview(READWRITE)
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1024 ndx = view.find(id=int(id))
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1025 if ndx > -1:
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1026 if self.key:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1027 keyvalue = getattr(view[ndx], self.key)
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1028 iv = self.getindexview(READWRITE)
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1029 if iv:
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1030 ivndx = iv.find(k=keyvalue)
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1031 if ivndx > -1:
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1032 iv.delete(ivndx)
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1033 view.delete(ndx)
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1034 self.db.destroyjournal(self.classname, id)
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1035 self.db.dirty = 1
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1036
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1037 def find(self, **propspec):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1038 '''Get the ids of nodes in this class which link to the given nodes.
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1039
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1995
diff changeset
1040 'propspec'
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1995
diff changeset
1041 consists of keyword args propname={nodeid:1,}
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1995
diff changeset
1042 'propname'
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1995
diff changeset
1043 must be the name of a property in this class, or a
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1995
diff changeset
1044 KeyError is raised. That property must be a Link or
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1995
diff changeset
1045 Multilink property, or a TypeError is raised.
854
3cdfa5d86cec Added metakit backend to the db tests...
Richard Jones <richard@users.sourceforge.net>
parents: 832
diff changeset
1046
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1047 Any node in this class whose propname property links to any of the
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1048 nodeids will be returned. Used by the full text indexing, which knows
854
3cdfa5d86cec Added metakit backend to the db tests...
Richard Jones <richard@users.sourceforge.net>
parents: 832
diff changeset
1049 that "foo" occurs in msg1, msg3 and file7; so we have hits on these
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1995
diff changeset
1050 issues::
854
3cdfa5d86cec Added metakit backend to the db tests...
Richard Jones <richard@users.sourceforge.net>
parents: 832
diff changeset
1051
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1052 db.issue.find(messages={'1':1,'3':1}, files={'7':1})
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1053 '''
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1054 propspec = propspec.items()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1055 for propname, nodeid in propspec:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1056 # check the prop is OK
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1057 prop = self.ruprops[propname]
854
3cdfa5d86cec Added metakit backend to the db tests...
Richard Jones <richard@users.sourceforge.net>
parents: 832
diff changeset
1058 if (not isinstance(prop, hyperdb.Link) and
3cdfa5d86cec Added metakit backend to the db tests...
Richard Jones <richard@users.sourceforge.net>
parents: 832
diff changeset
1059 not isinstance(prop, hyperdb.Multilink)):
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1060 raise TypeError, "'%s' not a Link/Multilink property"%propname
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1061
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1062 vws = []
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1063 for propname, ids in propspec:
831
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1064 if type(ids) is _STRINGTYPE:
1243
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1065 ids = {int(ids):1}
1563
e2a8ce4d2317 Class.find() may now find unset Links [SF#700620]
Richard Jones <richard@users.sourceforge.net>
parents: 1561
diff changeset
1066 elif ids is None:
e2a8ce4d2317 Class.find() may now find unset Links [SF#700620]
Richard Jones <richard@users.sourceforge.net>
parents: 1561
diff changeset
1067 ids = {0:1}
1243
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1068 else:
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1069 d = {}
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1070 for id in ids.keys():
1912
2b0ab61db194 fixes for [SF#818339]
Richard Jones <richard@users.sourceforge.net>
parents: 1840
diff changeset
1071 if id is None:
2b0ab61db194 fixes for [SF#818339]
Richard Jones <richard@users.sourceforge.net>
parents: 1840
diff changeset
1072 d[0] = 1
2b0ab61db194 fixes for [SF#818339]
Richard Jones <richard@users.sourceforge.net>
parents: 1840
diff changeset
1073 else:
2b0ab61db194 fixes for [SF#818339]
Richard Jones <richard@users.sourceforge.net>
parents: 1840
diff changeset
1074 d[int(id)] = 1
1243
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1075 ids = d
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1076 prop = self.ruprops[propname]
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1077 view = self.getview()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1078 if isinstance(prop, hyperdb.Multilink):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1079 def ff(row, nm=propname, ids=ids):
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1080 if not row._isdel:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1081 sv = getattr(row, nm)
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1082 for sr in sv:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1083 if ids.has_key(sr.fid):
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1084 return 1
1243
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1085 return 0
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1086 else:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1087 def ff(row, nm=propname, ids=ids):
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1088 return not row._isdel and ids.has_key(getattr(row, nm))
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1089 ndxview = view.filter(ff)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1090 vws.append(ndxview.unique())
854
3cdfa5d86cec Added metakit backend to the db tests...
Richard Jones <richard@users.sourceforge.net>
parents: 832
diff changeset
1091
3cdfa5d86cec Added metakit backend to the db tests...
Richard Jones <richard@users.sourceforge.net>
parents: 832
diff changeset
1092 # handle the empty match case
3cdfa5d86cec Added metakit backend to the db tests...
Richard Jones <richard@users.sourceforge.net>
parents: 832
diff changeset
1093 if not vws:
3cdfa5d86cec Added metakit backend to the db tests...
Richard Jones <richard@users.sourceforge.net>
parents: 832
diff changeset
1094 return []
3cdfa5d86cec Added metakit backend to the db tests...
Richard Jones <richard@users.sourceforge.net>
parents: 832
diff changeset
1095
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1096 ndxview = vws[0]
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1097 for v in vws[1:]:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1098 ndxview = ndxview.union(v)
1243
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1099 view = self.getview().remapwith(ndxview)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1100 rslt = []
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1101 for row in view:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1102 rslt.append(str(row.id))
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1103 return rslt
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1104
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1105
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1106 def list(self):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1107 ''' Return a list of the ids of the active nodes in this class.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1108 '''
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1109 l = []
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1110 for row in self.getview().select(_isdel=0):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1111 l.append(str(row.id))
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1112 return l
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1113
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1114 def getnodeids(self):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1115 ''' Retrieve all the ids of the nodes for a particular Class.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1116
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1117 Set retired=None to get all nodes. Otherwise it'll get all the
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1118 retired or non-retired nodes, depending on the flag.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1119 '''
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1120 l = []
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1121 for row in self.getview():
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1122 l.append(str(row.id))
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1123 return l
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1124
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1125 def count(self):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1126 return len(self.getview())
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1127
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1128 def getprops(self, protected=1):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1129 # protected is not in ping's spec
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1130 allprops = self.ruprops.copy()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1131 if protected and self.privateprops is not None:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1132 allprops.update(self.privateprops)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1133 return allprops
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1134
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1135 def addprop(self, **properties):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1136 for key in properties.keys():
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1137 if self.ruprops.has_key(key):
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1138 raise ValueError, "%s is already a property of %s"%(key,
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1139 self.classname)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1140 self.ruprops.update(properties)
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1141 # Class structure has changed
872
bd6211d39328 Saving, running & editing queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 860
diff changeset
1142 self.db.fastopen = 0
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1143 view = self.__getview()
872
bd6211d39328 Saving, running & editing queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 860
diff changeset
1144 self.db.commit()
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1145 # ---- end of ping's spec
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1146
1249
6c24a86a12ae Fixes for SourceForge tracker bugs.
Richard Jones <richard@users.sourceforge.net>
parents: 1243
diff changeset
1147 def filter(self, search_matches, filterspec, sort=(None,None),
6c24a86a12ae Fixes for SourceForge tracker bugs.
Richard Jones <richard@users.sourceforge.net>
parents: 1243
diff changeset
1148 group=(None,None)):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1149 '''Return a list of the ids of the active nodes in this class that
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1150 match the 'filter' spec, sorted by the group spec and then the
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1151 sort spec
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1152
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1153 "filterspec" is {propname: value(s)}
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1154
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1155 "sort" and "group" are (dir, prop) where dir is '+', '-' or None
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1156 and prop is a prop name or None
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1157
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1158 "search_matches" is {nodeid: marker}
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1159
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1160 The filter must match all properties specificed - but if the
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1161 property value to match is a list, any one of the values in the
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1162 list may match for that property to match.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1163 '''
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1164 # search_matches is None or a set (dict of {nodeid: {propname:[nodeid,...]}})
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1165 # filterspec is a dict {propname:value}
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 930
diff changeset
1166 # sort and group are (dir, prop) where dir is '+', '-' or None
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 930
diff changeset
1167 # and prop is a prop name or None
1508
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1168
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1169 timezone = self.db.getUserTimezone()
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1170
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1171 where = {'_isdel':0}
1508
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1172 wherehigh = {}
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1173 mlcriteria = {}
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1174 regexes = {}
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1175 orcriteria = {}
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1176 for propname, value in filterspec.items():
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1177 prop = self.ruprops.get(propname, None)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1178 if prop is None:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1179 prop = self.privateprops[propname]
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1180 if isinstance(prop, hyperdb.Multilink):
1561
cf5a5357a7ea match empty multilinks implemented for metakit
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
1181 if value in ('-1', ['-1']):
cf5a5357a7ea match empty multilinks implemented for metakit
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
1182 value = []
cf5a5357a7ea match empty multilinks implemented for metakit
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
1183 elif type(value) is not _LISTTYPE:
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1184 value = [value]
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1185 # transform keys to ids
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1186 u = []
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1187 for item in value:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1188 try:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1189 item = int(item)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1190 except (TypeError, ValueError):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1191 item = int(self.db.getclass(prop.classname).lookup(item))
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1192 if item == -1:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1193 item = 0
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1194 u.append(item)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1195 mlcriteria[propname] = u
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1196 elif isinstance(prop, hyperdb.Link):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1197 if type(value) is not _LISTTYPE:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1198 value = [value]
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1199 # transform keys to ids
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1200 u = []
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1201 for item in value:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1202 try:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1203 item = int(item)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1204 except (TypeError, ValueError):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1205 item = int(self.db.getclass(prop.classname).lookup(item))
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1206 if item == -1:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1207 item = 0
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1208 u.append(item)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1209 if len(u) == 1:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1210 where[propname] = u[0]
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1211 else:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1212 orcriteria[propname] = u
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1213 elif isinstance(prop, hyperdb.String):
1631
8a908bbad1ef A couple of form value handling changes:
Richard Jones <richard@users.sourceforge.net>
parents: 1596
diff changeset
1214 if type(value) is not type([]):
8a908bbad1ef A couple of form value handling changes:
Richard Jones <richard@users.sourceforge.net>
parents: 1596
diff changeset
1215 value = [value]
8a908bbad1ef A couple of form value handling changes:
Richard Jones <richard@users.sourceforge.net>
parents: 1596
diff changeset
1216 m = []
8a908bbad1ef A couple of form value handling changes:
Richard Jones <richard@users.sourceforge.net>
parents: 1596
diff changeset
1217 for v in value:
8a908bbad1ef A couple of form value handling changes:
Richard Jones <richard@users.sourceforge.net>
parents: 1596
diff changeset
1218 # simple glob searching
8a908bbad1ef A couple of form value handling changes:
Richard Jones <richard@users.sourceforge.net>
parents: 1596
diff changeset
1219 v = re.sub(r'([\|\{\}\\\.\+\[\]\(\)])', r'\\\1', v)
8a908bbad1ef A couple of form value handling changes:
Richard Jones <richard@users.sourceforge.net>
parents: 1596
diff changeset
1220 v = v.replace('?', '.')
8a908bbad1ef A couple of form value handling changes:
Richard Jones <richard@users.sourceforge.net>
parents: 1596
diff changeset
1221 v = v.replace('*', '.*?')
8a908bbad1ef A couple of form value handling changes:
Richard Jones <richard@users.sourceforge.net>
parents: 1596
diff changeset
1222 m.append(v)
8a908bbad1ef A couple of form value handling changes:
Richard Jones <richard@users.sourceforge.net>
parents: 1596
diff changeset
1223 regexes[propname] = re.compile('(%s)'%('|'.join(m)), re.I)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1224 elif propname == 'id':
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1225 where[propname] = int(value)
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 874
diff changeset
1226 elif isinstance(prop, hyperdb.Boolean):
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 874
diff changeset
1227 if type(value) is _STRINGTYPE:
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 874
diff changeset
1228 bv = value.lower() in ('yes', 'true', 'on', '1')
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 874
diff changeset
1229 else:
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 874
diff changeset
1230 bv = value
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 874
diff changeset
1231 where[propname] = bv
1351
d1bfb479e527 fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents: 1333
diff changeset
1232 elif isinstance(prop, hyperdb.Date):
1508
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1233 try:
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1234 # Try to filter on range of dates
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1235 date_rng = Range(value, date.Date, offset=timezone)
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1236 if date_rng.from_value:
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1237 t = date_rng.from_value.get_tuple()
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1238 where[propname] = int(calendar.timegm(t))
1596
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1239 else:
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1240 # use minimum possible value to exclude items without
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1241 # 'prop' property
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1242 where[propname] = 0
1508
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1243 if date_rng.to_value:
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1244 t = date_rng.to_value.get_tuple()
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1245 wherehigh[propname] = int(calendar.timegm(t))
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1246 else:
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1247 wherehigh[propname] = None
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1248 except ValueError:
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1249 # If range creation fails - ignore that search parameter
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1250 pass
1351
d1bfb479e527 fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents: 1333
diff changeset
1251 elif isinstance(prop, hyperdb.Interval):
1596
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1252 try:
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1253 # Try to filter on range of intervals
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1254 date_rng = Range(value, date.Interval)
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1255 if date_rng.from_value:
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1256 #t = date_rng.from_value.get_tuple()
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1257 where[propname] = date_rng.from_value.serialise()
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1258 else:
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1259 # use minimum possible value to exclude items without
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1260 # 'prop' property
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1261 where[propname] = '-99999999999999'
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1262 if date_rng.to_value:
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1263 #t = date_rng.to_value.get_tuple()
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1264 wherehigh[propname] = date_rng.to_value.serialise()
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1265 else:
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1266 wherehigh[propname] = None
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1267 except ValueError:
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1268 # If range creation fails - ignore that search parameter
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1269 pass
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 874
diff changeset
1270 elif isinstance(prop, hyperdb.Number):
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 874
diff changeset
1271 where[propname] = int(value)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1272 else:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1273 where[propname] = str(value)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1274 v = self.getview()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1275 #print "filter start at %s" % time.time()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1276 if where:
1508
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1277 where_higherbound = where.copy()
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1278 where_higherbound.update(wherehigh)
5c58ccad41ee Searches on range of dates for metakit
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1496
diff changeset
1279 v = v.select(where, where_higherbound)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1280 #print "filter where at %s" % time.time()
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1281
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1282 if mlcriteria:
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1283 # multilink - if any of the nodeids required by the
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1284 # filterspec aren't in this node's property, then skip it
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1285 def ff(row, ml=mlcriteria):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1286 for propname, values in ml.items():
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1287 sv = getattr(row, propname)
1561
cf5a5357a7ea match empty multilinks implemented for metakit
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
1288 if not values and sv:
cf5a5357a7ea match empty multilinks implemented for metakit
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
1289 return 0
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1290 for id in values:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1291 if sv.find(fid=id) == -1:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1292 return 0
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1293 return 1
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1294 iv = v.filter(ff)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1295 v = v.remapwith(iv)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1296
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1297 #print "filter mlcrit at %s" % time.time()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1298
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1299 if orcriteria:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1300 def ff(row, crit=orcriteria):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1301 for propname, allowed in crit.items():
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1302 val = getattr(row, propname)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1303 if val not in allowed:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1304 return 0
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1305 return 1
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1306
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1307 iv = v.filter(ff)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1308 v = v.remapwith(iv)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1309
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1310 #print "filter orcrit at %s" % time.time()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1311 if regexes:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1312 def ff(row, r=regexes):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1313 for propname, regex in r.items():
1392
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1314 val = str(getattr(row, propname))
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1315 if not regex.search(val):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1316 return 0
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1317 return 1
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1318
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1319 iv = v.filter(ff)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1320 v = v.remapwith(iv)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1321 #print "filter regexs at %s" % time.time()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1322
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1323 if sort or group:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1324 sortspec = []
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1325 rev = []
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 930
diff changeset
1326 for dir, propname in group, sort:
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 930
diff changeset
1327 if propname is None: continue
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1328 isreversed = 0
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 930
diff changeset
1329 if dir == '-':
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1330 isreversed = 1
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1331 try:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1332 prop = getattr(v, propname)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1333 except AttributeError:
926
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1334 print "MK has no property %s" % propname
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1335 continue
926
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1336 propclass = self.ruprops.get(propname, None)
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1337 if propclass is None:
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1338 propclass = self.privateprops.get(propname, None)
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1339 if propclass is None:
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1340 print "Schema has no property %s" % propname
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1341 continue
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1342 if isinstance(propclass, hyperdb.Link):
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1343 linkclass = self.db.getclass(propclass.classname)
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1344 lv = linkclass.getview()
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1345 lv = lv.rename('id', propname)
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1346 v = v.join(lv, prop, 1)
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1347 if linkclass.getprops().has_key('order'):
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1348 propname = 'order'
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1349 else:
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1350 propname = linkclass.labelprop()
3216c4f06ec4 Fixes to the search form and saving queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 919
diff changeset
1351 prop = getattr(v, propname)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1352 if isreversed:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1353 rev.append(prop)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1354 sortspec.append(prop)
874
b9da8729d8ff Fix bug in setting activity.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 872
diff changeset
1355 v = v.sortrev(sortspec, rev)[:] #XXX Metakit bug
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1356 #print "filter sort at %s" % time.time()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1357
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1358 rslt = []
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1359 for row in v:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1360 id = str(row.id)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1361 if search_matches is not None:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1362 if search_matches.has_key(id):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1363 rslt.append(id)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1364 else:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1365 rslt.append(id)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1366 return rslt
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1367
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1368 def hasnode(self, nodeid):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1369 '''Determine if the given nodeid actually exists
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1370 '''
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1371 return int(nodeid) < self.maxid
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1372
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1373 def labelprop(self, default_to_id=0):
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1995
diff changeset
1374 '''Return the property name for a label for the given node.
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1375
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1376 This method attempts to generate a consistent label for the node.
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1377 It tries the following in order:
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1995
diff changeset
1378
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1995
diff changeset
1379 1. key property
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1995
diff changeset
1380 2. "name" property
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1995
diff changeset
1381 3. "title" property
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1995
diff changeset
1382 4. first property from the sorted property name list
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1383 '''
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1384 k = self.getkey()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1385 if k:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1386 return k
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1387 props = self.getprops()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1388 if props.has_key('name'):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1389 return 'name'
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1390 elif props.has_key('title'):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1391 return 'title'
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1392 if default_to_id:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1393 return 'id'
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1394 props = props.keys()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1395 props.sort()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1396 return props[0]
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1397
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1398 def stringFind(self, **requirements):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1399 '''Locate a particular node by matching a set of its String
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1400 properties in a caseless search.
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1401
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1402 If the property is not a String property, a TypeError is raised.
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1403
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1404 The return is a list of the id of all nodes that match.
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1405 '''
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1406 for propname in requirements.keys():
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1407 prop = self.properties[propname]
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1408 if isinstance(not prop, hyperdb.String):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1409 raise TypeError, "'%s' not a String property"%propname
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1410 requirements[propname] = requirements[propname].lower()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1411 requirements['_isdel'] = 0
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1412
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1413 l = []
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1414 for row in self.getview().select(requirements):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1415 l.append(str(row.id))
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1416 return l
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1417
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1418 def addjournal(self, nodeid, action, params):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1419 '''Add a journal to the given nodeid,
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1420 'action' may be:
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1421
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1422 'create' or 'set' -- 'params' is a dictionary of property values
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1423 'link' or 'unlink' -- 'params' is (classname, nodeid, propname)
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1424 'retire' -- 'params' is None
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1425 '''
831
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1426 self.db.addjournal(self.classname, nodeid, action, params)
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1427
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1428 def index(self, nodeid):
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1429 ''' Add (or refresh) the node to search indexes '''
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1430 # find all the String properties that have indexme
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1431 for prop, propclass in self.getprops().items():
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1432 if isinstance(propclass, hyperdb.String) and propclass.indexme:
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1433 # index them under (classname, nodeid, property)
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1434 self.db.indexer.add_text((self.classname, nodeid, prop),
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1435 str(self.get(nodeid, prop)))
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1436
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1437 def export_list(self, propnames, nodeid):
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1438 ''' Export a node - generate a list of CSV-able data in the order
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1439 specified by propnames for the given node.
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1440 '''
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1441 properties = self.getprops()
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1442 l = []
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1443 for prop in propnames:
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1444 proptype = properties[prop]
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1445 value = self.get(nodeid, prop)
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1446 # "marshal" data where needed
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1447 if value is None:
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1448 pass
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1449 elif isinstance(proptype, hyperdb.Date):
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1450 value = value.get_tuple()
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1451 elif isinstance(proptype, hyperdb.Interval):
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1452 value = value.get_tuple()
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1453 elif isinstance(proptype, hyperdb.Password):
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1454 value = str(value)
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1455 l.append(repr(value))
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1456
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1457 # append retired flag
1920
f9316d2cd5ba Fixed retirement of items in rdbms imports [SF#841355]
Richard Jones <richard@users.sourceforge.net>
parents: 1912
diff changeset
1458 l.append(repr(self.is_retired(nodeid)))
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1459
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1460 return l
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1461
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1462 def import_list(self, propnames, proplist):
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1463 ''' Import a node - all information including "id" is present and
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1464 should not be sanity checked. Triggers are not triggered. The
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1465 journal should be initialised using the "creator" and "creation"
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1466 information.
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1467
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1468 Return the nodeid of the node imported.
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1469 '''
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1470 if self.db.journaltag is None:
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1471 raise hyperdb.DatabaseError, 'Database open read-only'
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1472 properties = self.getprops()
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1473
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1474 d = {}
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1475 view = self.getview(READWRITE)
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1476 for i in range(len(propnames)):
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1477 value = eval(proplist[i])
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1478 if not value:
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1479 continue
1496
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1480
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1481 propname = propnames[i]
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1482 if propname == 'id':
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1483 newid = value = int(value)
1496
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1484 elif propname == 'is retired':
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1485 # is the item retired?
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1486 if int(value):
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1487 d['_isdel'] = 1
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1488 continue
1751
ab7760caf6ff Importing wasn't setting None values explicitly when it should have been
Richard Jones <richard@users.sourceforge.net>
parents: 1631
diff changeset
1489 elif value is None:
ab7760caf6ff Importing wasn't setting None values explicitly when it should have been
Richard Jones <richard@users.sourceforge.net>
parents: 1631
diff changeset
1490 d[propname] = None
ab7760caf6ff Importing wasn't setting None values explicitly when it should have been
Richard Jones <richard@users.sourceforge.net>
parents: 1631
diff changeset
1491 continue
1496
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1492
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1493 prop = properties[propname]
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1494 if isinstance(prop, hyperdb.Date):
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1495 value = int(calendar.timegm(value))
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1496 elif isinstance(prop, hyperdb.Interval):
1596
33a0d94c7658 searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1563
diff changeset
1497 value = date.Interval(value).serialise()
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1498 elif isinstance(prop, hyperdb.Number):
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1499 value = int(value)
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1500 elif isinstance(prop, hyperdb.Boolean):
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1501 value = int(value)
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1502 elif isinstance(prop, hyperdb.Link) and value:
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1503 value = int(value)
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1504 elif isinstance(prop, hyperdb.Multilink):
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1505 # we handle multilinks separately
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1506 continue
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1507 d[propname] = value
1496
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1508
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1509 # possibly make a new node
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1510 if not d.has_key('id'):
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1511 d['id'] = newid = self.maxid
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1512 self.maxid += 1
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1513
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1514 # save off the node
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1515 view.append(d)
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1516
1496
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1517 # fix up multilinks
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1518 ndx = view.find(id=newid)
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1519 row = view[ndx]
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1520 for i in range(len(propnames)):
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1521 value = eval(proplist[i])
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1522 propname = propnames[i]
1496
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1523 if propname == 'is retired':
e6ac4e074acb relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents: 1484
diff changeset
1524 continue
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1525 prop = properties[propname]
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1526 if not isinstance(prop, hyperdb.Multilink):
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1527 continue
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1528 sv = getattr(row, propname)
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1529 for entry in value:
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1530 sv.append((int(entry),))
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1531
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1532 self.db.dirty = 1
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1533 creator = d.get('creator', 0)
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1534 creation = d.get('creation', 0)
1484
b3f2484babce fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents: 1476
diff changeset
1535 self.db.addjournal(self.classname, str(newid), _CREATE, {}, creator,
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1536 creation)
1177
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1537 return newid
24a1a5de1203 Fix as many of the unit test cases as possible.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1176
diff changeset
1538
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1539 # --- used by Database
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1540 def _commit(self):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1541 ''' called post commit of the DB.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1542 interested subclasses may override '''
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1543 self.uncommitted = {}
2103
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1544 for action in self.comactions:
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1545 action()
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1546 self.comactions = []
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1547 self.rbactions = []
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1548 self.idcache = {}
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1549 def _rollback(self):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1550 ''' called pre rollback of the DB.
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1551 interested subclasses may override '''
2103
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1552 self.comactions = []
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1553 for action in self.rbactions:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1554 action()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1555 self.rbactions = []
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1556 self.uncommitted = {}
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1557 self.idcache = {}
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1558 def _clear(self):
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1559 view = self.getview(READWRITE)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1560 if len(view):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1561 view[:] = []
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1562 self.db.dirty = 1
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1563 iv = self.getindexview(READWRITE)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1564 if iv:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1565 iv[:] = []
2103
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1566 def commitaction(self, action):
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1567 ''' call this to register a callback called on commit
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1568 callback is removed on end of transaction '''
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1569 self.comactions.append(action)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1570 def rollbackaction(self, action):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1571 ''' call this to register a callback called on rollback
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1572 callback is removed on end of transaction '''
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1573 self.rbactions.append(action)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1574 # --- internal
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1575 def __getview(self):
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1576 ''' Find the interface for a specific Class in the hyperdb.
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1577
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1578 This method checks to see whether the schema has changed and
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1579 re-works the underlying metakit structure if it has.
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1580 '''
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1581 db = self.db._db
831
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1582 view = db.view(self.classname)
872
bd6211d39328 Saving, running & editing queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 860
diff changeset
1583 mkprops = view.structure()
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1584
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1585 # if we have structure in the database, and the structure hasn't
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1586 # changed
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1587 # note on view.ordered ->
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1588 # return a metakit view ordered on the id column
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1589 # id is always the first column. This speeds up
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1590 # look-ups on the id column.
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1591
872
bd6211d39328 Saving, running & editing queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 860
diff changeset
1592 if mkprops and self.db.fastopen:
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1593 return view.ordered(1)
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1594
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1595 # is the definition the same?
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1596 for nm, rutyp in self.ruprops.items():
831
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1597 for mkprop in mkprops:
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1598 if mkprop.name == nm:
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1599 break
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1600 else:
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1601 mkprop = None
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1602 if mkprop is None:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1603 break
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1604 if _typmap[rutyp.__class__] != mkprop.type:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1605 break
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1606 else:
2090
ad1ef1d9f5a1 This is my attempt to include the "actor" property in the metakit backend...
Richard Jones <richard@users.sourceforge.net>
parents: 2089
diff changeset
1607 # make sure we have the 'actor' property too
ad1ef1d9f5a1 This is my attempt to include the "actor" property in the metakit backend...
Richard Jones <richard@users.sourceforge.net>
parents: 2089
diff changeset
1608 for mkprop in mkprops:
ad1ef1d9f5a1 This is my attempt to include the "actor" property in the metakit backend...
Richard Jones <richard@users.sourceforge.net>
parents: 2089
diff changeset
1609 if mkprop.name == 'actor':
ad1ef1d9f5a1 This is my attempt to include the "actor" property in the metakit backend...
Richard Jones <richard@users.sourceforge.net>
parents: 2089
diff changeset
1610 return view.ordered(1)
ad1ef1d9f5a1 This is my attempt to include the "actor" property in the metakit backend...
Richard Jones <richard@users.sourceforge.net>
parents: 2089
diff changeset
1611
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1612 # The schema has changed. We need to create or restructure the mk view
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1613 # id comes first, so we can use view.ordered(1) so that
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1614 # MK will order it for us to allow binary-search quick lookups on
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1615 # the id column
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1616 self.db.dirty = 1
831
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1617 s = ["%s[id:I" % self.classname]
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1618
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1619 # these columns will always be added, we can't trample them :)
2090
ad1ef1d9f5a1 This is my attempt to include the "actor" property in the metakit backend...
Richard Jones <richard@users.sourceforge.net>
parents: 2089
diff changeset
1620 _columns = {"id":"I", "_isdel":"I", "activity":"I", "actor": "I",
ad1ef1d9f5a1 This is my attempt to include the "actor" property in the metakit backend...
Richard Jones <richard@users.sourceforge.net>
parents: 2089
diff changeset
1621 "creation":"I", "creator":"I"}
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1622
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1623 for nm, rutyp in self.ruprops.items():
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1624 mktyp = _typmap[rutyp.__class__].upper()
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1625 if nm in _columns and _columns[nm] != mktyp:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1626 # oops, two columns with the same name and different properties
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1627 raise MKBackendError("column %s for table %sis defined with multiple types"%(nm, self.classname))
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1628 _columns[nm] = mktyp
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1629 s.append('%s:%s' % (nm, mktyp))
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1630 if mktyp == 'V':
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1631 s[-1] += ('[fid:I]')
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1632
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1633 # XXX FIX ME -> in some tests, creation:I becomes creation:S is this
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1634 # okay? Does this need to be supported?
2090
ad1ef1d9f5a1 This is my attempt to include the "actor" property in the metakit backend...
Richard Jones <richard@users.sourceforge.net>
parents: 2089
diff changeset
1635 s.append('_isdel:I,activity:I,actor:I,creation:I,creator:I]')
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1636 view = self.db._db.getas(','.join(s))
872
bd6211d39328 Saving, running & editing queries.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 860
diff changeset
1637 self.db.commit()
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1638 return view.ordered(1)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1639 def getview(self, RW=0):
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1640 # XXX FIX ME -> The RW flag doesn't do anything.
831
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1641 return self.db._db.view(self.classname).ordered(1)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1642 def getindexview(self, RW=0):
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1643 # XXX FIX ME -> The RW flag doesn't do anything.
2040
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
1644 tablename = "_%s.%s"%(self.classname, self.key)
db66443e1463 A classes key can now be changed in the metakit backend.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2039
diff changeset
1645 return self.db._db.view("_%s" % tablename).ordered(1)
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1646
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1647 def _fetchML(sv):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1648 l = []
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1649 for row in sv:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1650 if row.fid:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1651 l.append(str(row.fid))
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1652 return l
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1653
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1654 def _fetchPW(s):
1392
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1655 ''' Convert to a password.Password unless the password is '' which is
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1656 our sentinel for "unset".
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1657 '''
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1658 if s == '':
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1659 return None
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1660 p = password.Password()
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1661 p.unpack(s)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1662 return p
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1663
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1664 def _fetchLink(n):
1476
5a01e90b7dc9 fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents: 1467
diff changeset
1665 ''' Return None if the link is 0 - otherwise strify it.
1392
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1666 '''
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1667 return n and str(n) or None
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1668
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1669 def _fetchDate(n):
1392
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1670 ''' Convert the timestamp to a date.Date instance - unless it's 0 which
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1671 is our sentinel for "unset".
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1672 '''
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1673 if n == 0:
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1674 return None
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1675 return date.Date(time.gmtime(n))
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1676
1392
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1677 def _fetchInterval(n):
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1678 ''' Convert to a date.Interval unless the interval is '' which is our
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1679 sentinel for "unset".
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1680 '''
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1681 if n == '':
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1682 return None
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1683 return date.Interval(n)
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1684
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1685 # Converters for boolean and numbers to properly
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1686 # return None values.
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1687 # These are in conjunction with the setters above
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1688 # look for hyperdb.Boolean and hyperdb.Number
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1689 if BACKWARDS_COMPATIBLE:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1690 def getBoolean(bool): return bool
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1691 def getNumber(number): return number
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1692 else:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1693 def getBoolean(bool):
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1694 if not bool: res = None
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1695 else: res = bool - 1
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1696 return res
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1697
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1698 def getNumber(number):
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1699 if number == 0: res = None
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1700 elif number < 0: res = number
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1701 else: res = number - 1
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1702 return res
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1703
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1704 _converters = {
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1705 hyperdb.Date : _fetchDate,
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1706 hyperdb.Link : _fetchLink,
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1707 hyperdb.Multilink : _fetchML,
1392
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1708 hyperdb.Interval : _fetchInterval,
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1709 hyperdb.Password : _fetchPW,
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1710 hyperdb.Boolean : getBoolean,
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1711 hyperdb.Number : getNumber,
1392
083cce7840aa Metakit now passes all unit tests! w00t! (except the Number/Boolean unset)
Richard Jones <richard@users.sourceforge.net>
parents: 1389
diff changeset
1712 hyperdb.String : lambda s: s and str(s) or None,
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1713 }
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1714
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1715 class FileName(hyperdb.String):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1716 isfilename = 1
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1717
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1718 _typmap = {
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1719 FileName : 'S',
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1720 hyperdb.String : 'S',
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1721 hyperdb.Date : 'I',
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1722 hyperdb.Link : 'I',
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1723 hyperdb.Multilink : 'V',
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1724 hyperdb.Interval : 'S',
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1725 hyperdb.Password : 'S',
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 874
diff changeset
1726 hyperdb.Boolean : 'I',
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 874
diff changeset
1727 hyperdb.Number : 'I',
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1728 }
1442
b42fa71754c9 don't attempt to create FileClass items if no content is supplied
Richard Jones <richard@users.sourceforge.net>
parents: 1431
diff changeset
1729 class FileClass(Class, hyperdb.FileClass):
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1730 ''' like Class but with a content property
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1731 '''
831
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1732 default_mime_type = 'text/plain'
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1733 def __init__(self, db, classname, **properties):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1734 properties['content'] = FileName()
831
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1735 if not properties.has_key('type'):
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1736 properties['type'] = hyperdb.String()
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1737 Class.__init__(self, db, classname, **properties)
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1738
2091
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1739 def gen_filename(self, nodeid):
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1740 nm = '%s%s' % (self.classname, nodeid)
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1741 sd = str(int(int(nodeid) / 1000))
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1742 d = os.path.join(self.db.config.DATABASE, 'files', self.classname, sd)
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1743 if not os.path.exists(d):
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1744 os.makedirs(d)
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1745 return os.path.join(d, nm)
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1746
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1747 def get(self, nodeid, propname, default=_marker, cache=1):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1748 if propname == 'content':
2091
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1749 poss_msg = 'Possibly an access right configuration problem.'
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1750 fnm = self.gen_filename(nodeid)
2103
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1751 if not os.path.exists(fnm):
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1752 fnm = fnm + '.tmp'
2091
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1753 try:
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1754 f = open(fnm, 'rb')
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1755 except IOError, (strerror):
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1756 # XXX by catching this we donot see an error in the log.
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1757 return 'ERROR reading file: %s%s\n%s\n%s'%(
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1758 self.classname, nodeid, poss_msg, strerror)
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1759 x = f.read()
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1760 f.close()
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1761 else:
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1762 x = Class.get(self, nodeid, propname, default)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1763 return x
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1764
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1765 def create(self, **propvalues):
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1766 if not propvalues:
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1767 raise ValueError, "Need something to create!"
1431
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1417
diff changeset
1768 self.fireAuditors('create', None, propvalues)
2091
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1769
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1770 content = propvalues['content']
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1771 del propvalues['content']
2091
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1772
1431
c70068162e64 Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents: 1417
diff changeset
1773 newid = Class.create_inner(self, **propvalues)
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1774 if not content:
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1775 return newid
2091
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1776
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1777 # figure a filename
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1778 nm = self.gen_filename(newid)
2103
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1779 f = open(nm + '.tmp', 'wb')
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1780 f.write(content)
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1781 f.close()
2091
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1782
831
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1783 mimetype = propvalues.get('type', self.default_mime_type)
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1784 self.db.indexer.add_text((self.classname, newid, 'content'), content,
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1785 mimetype)
2103
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1786
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1787 # register commit and rollback actions
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1788 def commit(fnm=nm):
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1789 os.rename(fnm + '.tmp', fnm)
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1790 self.commitaction(commit)
2091
0e6db4462896 Part-way to having the metakit backend handle "content" property changes.
Richard Jones <richard@users.sourceforge.net>
parents: 2090
diff changeset
1791 def undo(fnm=nm):
2103
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1792 os.remove(fnm + '.tmp')
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1793 self.rollbackaction(undo)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1794 return newid
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1795
2103
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1796 def set(self, itemid, **propvalues):
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1797 if not propvalues:
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1798 return
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1799 self.fireAuditors('set', None, propvalues)
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1800
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1801 content = propvalues.get('content', None)
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1802 if content is not None:
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1803 del propvalues['content']
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1804
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1805 propvalues, oldnode = Class.set_inner(self, itemid, **propvalues)
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1806
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1807 # figure a filename
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1808 if content is not None:
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1809 nm = self.gen_filename(itemid)
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1810 f = open(nm + '.tmp', 'wb')
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1811 f.write(content)
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1812 f.close()
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1813 mimetype = propvalues.get('type', self.default_mime_type)
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1814 self.db.indexer.add_text((self.classname, itemid, 'content'),
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1815 content, mimetype)
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1816
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1817 # register commit and rollback actions
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1818 def commit(fnm=nm):
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1819 if os.path.exists(fnm):
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1820 os.remove(fnm)
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1821 os.rename(fnm + '.tmp', fnm)
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1822 self.commitaction(commit)
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1823 def undo(fnm=nm):
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1824 os.remove(fnm + '.tmp')
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1825 self.rollbackaction(undo)
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1826
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1827 self.fireReactors('set', oldnode, propvalues)
8c6c0d40f9c8 more metakit fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
1828
831
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1829 def index(self, nodeid):
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1830 Class.index(self, nodeid)
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1831 mimetype = self.get(nodeid, 'type')
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1832 if not mimetype:
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1833 mimetype = self.default_mime_type
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1834 self.db.indexer.add_text((self.classname, nodeid, 'content'),
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1835 self.get(nodeid, 'content'), mimetype)
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1836
859
eb924e614934 Fixes for the metakit backend
Richard Jones <richard@users.sourceforge.net>
parents: 854
diff changeset
1837 class IssueClass(Class, roundupdb.IssueClass):
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1838 ''' The newly-created class automatically includes the "messages",
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1839 "files", "nosy", and "superseder" properties. If the 'properties'
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1840 dictionary attempts to specify any of these properties or a
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1841 "creation" or "activity" property, a ValueError is raised.
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1842 '''
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1843 def __init__(self, db, classname, **properties):
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1844 if not properties.has_key('title'):
831
9a4aa0b107de Updates to use Richard's cool new indexer.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 822
diff changeset
1845 properties['title'] = hyperdb.String(indexme='yes')
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1846 if not properties.has_key('messages'):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1847 properties['messages'] = hyperdb.Multilink("msg")
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1848 if not properties.has_key('files'):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1849 properties['files'] = hyperdb.Multilink("file")
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1850 if not properties.has_key('nosy'):
1002
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 930
diff changeset
1851 # note: journalling is turned off as it really just wastes
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 930
diff changeset
1852 # space. this behaviour may be overridden in an instance
1798d2fa9fec Hack hack...
Richard Jones <richard@users.sourceforge.net>
parents: 930
diff changeset
1853 properties['nosy'] = hyperdb.Multilink("user", do_journal="no")
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1854 if not properties.has_key('superseder'):
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1855 properties['superseder'] = hyperdb.Multilink(classname)
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1856 Class.__init__(self, db, classname, **properties)
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1857
1243
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1858 CURVERSION = 2
820
d75ce81534db Metakit backend. Metakit's home is equi4.com.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents:
diff changeset
1859
2089
93f03c6714d8 A few big changes in this commit:
Richard Jones <richard@users.sourceforge.net>
parents: 2082
diff changeset
1860 class Indexer(Indexer):
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1861 disallows = {'THE':1, 'THIS':1, 'ZZZ':1, 'THAT':1, 'WITH':1}
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1862 def __init__(self, path, datadb):
1243
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1863 self.path = os.path.join(path, 'index.mk4')
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1864 self.db = metakit.storage(self.path, 1)
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1865 self.datadb = datadb
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1866 self.reindex = 0
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1867 v = self.db.view('version')
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1868 if not v.structure():
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1869 v = self.db.getas('version[vers:I]')
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1870 self.db.commit()
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1871 v.append(vers=CURVERSION)
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1872 self.reindex = 1
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1873 elif v[0].vers != CURVERSION:
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1874 v[0].vers = CURVERSION
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1875 self.reindex = 1
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1876 if self.reindex:
1243
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1877 self.db.getas('ids[tblid:I,nodeid:I,propid:I,ignore:I]')
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1878 self.db.getas('index[word:S,hits[pos:I]]')
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1879 self.db.commit()
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1880 self.reindex = 1
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1881 self.changed = 0
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1882 self.propcache = {}
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1883
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1884 def close(self):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1885 '''close the indexing database'''
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1886 del self.db
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1887 self.db = None
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1888
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1889 def force_reindex(self):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1890 '''Force a reindexing of the database. This essentially
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1891 empties the tables ids and index and sets a flag so
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1892 that the databases are reindexed'''
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1893 v = self.db.view('ids')
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1894 v[:] = []
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1895 v = self.db.view('index')
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1896 v[:] = []
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1897 self.db.commit()
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1898 self.reindex = 1
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1899
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1900 def should_reindex(self):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1901 '''returns True if the indexes need to be rebuilt'''
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1902 return self.reindex
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1903
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1904 def _getprops(self, classname):
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1905 props = self.propcache.get(classname, None)
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1906 if props is None:
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1907 props = self.datadb.view(classname).structure()
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1908 props = [prop.name for prop in props]
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1909 self.propcache[classname] = props
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1910 return props
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1911
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1912 def _getpropid(self, classname, propname):
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1913 return self._getprops(classname).index(propname)
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1914
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1915 def _getpropname(self, classname, propid):
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1916 return self._getprops(classname)[propid]
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
1917
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1918 def add_text(self, identifier, text, mime_type='text/plain'):
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1919 if mime_type != 'text/plain':
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1920 return
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1921 classname, nodeid, property = identifier
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1922 tbls = self.datadb.view('tables')
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1923 tblid = tbls.find(name=classname)
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1924 if tblid < 0:
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1925 raise KeyError, "unknown class %r"%classname
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1926 nodeid = int(nodeid)
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1927 propid = self._getpropid(classname, property)
1243
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1928 ids = self.db.view('ids')
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1929 oldpos = ids.find(tblid=tblid,nodeid=nodeid,propid=propid,ignore=0)
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1930 if oldpos > -1:
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1931 ids[oldpos].ignore = 1
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1932 self.changed = 1
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1933 pos = ids.append(tblid=tblid,nodeid=nodeid,propid=propid)
2093
3f6024ab2c7a That's the last of the RDBMS migration steps done! Yay!
Richard Jones <richard@users.sourceforge.net>
parents: 2091
diff changeset
1934
1243
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1935 wordlist = re.findall(r'\b\w{2,25}\b', text.upper())
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1936 words = {}
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1937 for word in wordlist:
2093
3f6024ab2c7a That's the last of the RDBMS migration steps done! Yay!
Richard Jones <richard@users.sourceforge.net>
parents: 2091
diff changeset
1938 if not self.disallows.has_key(word):
3f6024ab2c7a That's the last of the RDBMS migration steps done! Yay!
Richard Jones <richard@users.sourceforge.net>
parents: 2091
diff changeset
1939 words[word] = 1
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1940 words = words.keys()
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1941
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1942 index = self.db.view('index').ordered(1)
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1943 for word in words:
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1944 ndx = index.find(word=word)
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1945 if ndx < 0:
1243
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1946 index.append(word=word)
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1947 ndx = index.find(word=word)
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1948 index[ndx].hits.append(pos=pos)
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1949 self.changed = 1
1143
Richard Jones <richard@users.sourceforge.net>
parents: 1131
diff changeset
1950
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1951 def find(self, wordlist):
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1952 '''look up all the words in the wordlist.
1994
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1953 If none are found return an empty dictionary
bd82a76c48ff Many database-interface improvements.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 1990
diff changeset
1954 * more rules here
2039
4b0b365317f7 Added __doc__ strings to back_metakit.
Brian Kelley <wc2so1@users.sourceforge.net>
parents: 2005
diff changeset
1955 '''
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1956 hits = None
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1957 index = self.db.view('index').ordered(1)
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1958 for word in wordlist:
1243
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1959 word = word.upper()
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1960 if not 2 < len(word) < 26:
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1961 continue
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1962 ndx = index.find(word=word)
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1963 if ndx < 0:
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1964 return {}
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1965 if hits is None:
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1966 hits = index[ndx].hits
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1967 else:
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1968 hits = hits.intersect(index[ndx].hits)
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1969 if len(hits) == 0:
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1970 return {}
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1971 if hits is None:
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1972 return {}
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1973 rslt = {}
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1974 ids = self.db.view('ids').remapwith(hits)
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1975 tbls = self.datadb.view('tables')
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1976 for i in range(len(ids)):
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1977 hit = ids[i]
1243
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1978 if not hit.ignore:
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1979 classname = tbls[hit.tblid].name
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1980 nodeid = str(hit.nodeid)
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1981 property = self._getpropname(classname, hit.propid)
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1982 rslt[i] = (classname, nodeid, property)
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1983 return rslt
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1984
892
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1985 def save_index(self):
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1986 if self.changed:
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1987 self.db.commit()
44eb237a8b3e An indexer that uses Metakit for storage.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 880
diff changeset
1988 self.changed = 0
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1989
1243
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1990 def rollback(self):
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1991 if self.changed:
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1992 self.db.rollback()
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1993 self.db = metakit.storage(self.path, 1)
3a028d2f7830 Fix (re)indexing & find in back_metakit.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1232
diff changeset
1994 self.changed = 0
1333
80d27b7d6db5 implemented whole-database locking
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1995
Roundup Issue Tracker: http://roundup-tracker.org/