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annotate test/memorydb.py @ 4509:0fa45d39efee

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Removed superfluous import.
author Bernhard Reiter <Bernhard.Reiter@intevation.de>
date Thu, 23 Jun 2011 08:26:14 +0000
parents 355cd8fdeb32
children 6e3e4f24c753
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # $Id: test_memorydb.py,v 1.4 2004-11-03 01:34:21 richard Exp $
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2 '''Implement an in-memory hyperdb for testing purposes.
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3 '''
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4
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5 import shutil
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6
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7 from roundup import hyperdb
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8 from roundup import roundupdb
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9 from roundup import security
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10 from roundup import password
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11 from roundup import configuration
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12 from roundup.backends import back_anydbm
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13 from roundup.backends import indexer_dbm
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14 from roundup.backends import sessions_dbm
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15 from roundup.backends import indexer_common
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16 from roundup.hyperdb import *
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17 from roundup.support import ensureParentsExist
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18
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19 def new_config(debug=False):
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20 config = configuration.CoreConfig()
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21 config.DATABASE = "db"
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22 #config.logging = MockNull()
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23 # these TRACKER_WEB and MAIL_DOMAIN values are used in mailgw tests
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24 if debug:
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25 config.LOGGING_LEVEL = "DEBUG"
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26 config.MAIL_DOMAIN = "your.tracker.email.domain.example"
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27 config.TRACKER_WEB = "http://tracker.example/cgi-bin/roundup.cgi/bugs/"
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28 return config
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29
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30 def create(journaltag, create=True, debug=False):
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31 db = Database(new_config(debug), journaltag)
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32
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33 # load standard schema
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34 schema = os.path.join(os.path.dirname(__file__),
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35 '../share/roundup/templates/classic/schema.py')
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36 vars = dict(globals())
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37 vars['db'] = db
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38 execfile(schema, vars)
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39 initial_data = os.path.join(os.path.dirname(__file__),
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40 '../share/roundup/templates/classic/initial_data.py')
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41 vars = dict(db=db, admin_email='admin@test.com',
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42 adminpw=password.Password('sekrit'))
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43 execfile(initial_data, vars)
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44
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45 # load standard detectors
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46 dirname = os.path.join(os.path.dirname(__file__),
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47 '../share/roundup/templates/classic/detectors')
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48 for fn in os.listdir(dirname):
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49 if not fn.endswith('.py'): continue
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50 vars = {}
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51 execfile(os.path.join(dirname, fn), vars)
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52 vars['init'](db)
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53
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54 '''
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55 status = Class(db, "status", name=String())
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56 status.setkey("name")
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57 priority = Class(db, "priority", name=String(), order=String())
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58 priority.setkey("name")
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59 keyword = Class(db, "keyword", name=String(), order=String())
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60 keyword.setkey("name")
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61 user = Class(db, "user", username=String(), password=Password(),
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62 assignable=Boolean(), age=Number(), roles=String(), address=String(),
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63 supervisor=Link('user'),realname=String(),alternate_addresses=String())
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64 user.setkey("username")
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65 file = FileClass(db, "file", name=String(), type=String(),
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66 comment=String(indexme="yes"), fooz=Password())
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67 file_nidx = FileClass(db, "file_nidx", content=String(indexme='no'))
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68 issue = IssueClass(db, "issue", title=String(indexme="yes"),
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69 status=Link("status"), nosy=Multilink("user"), deadline=Date(),
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70 foo=Interval(), files=Multilink("file"), assignedto=Link('user'),
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71 priority=Link('priority'), spam=Multilink('msg'),
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72 feedback=Link('msg'))
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73 stuff = Class(db, "stuff", stuff=String())
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74 session = Class(db, 'session', title=String())
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75 msg = FileClass(db, "msg", date=Date(),
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76 author=Link("user", do_journal='no'),
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77 files=Multilink('file'), inreplyto=String(),
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78 messageid=String(), summary=String(),
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79 content=String(),
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80 recipients=Multilink("user", do_journal='no')
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81 )
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82 '''
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83 if create:
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84 db.user.create(username="fred", roles='User',
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85 password=password.Password('sekrit'), address='fred@example.com')
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86
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87 db.security.addPermissionToRole('User', 'Email Access')
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88 '''
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89 db.security.addPermission(name='Register', klass='user')
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90 db.security.addPermissionToRole('User', 'Web Access')
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91 db.security.addPermissionToRole('Anonymous', 'Email Access')
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92 db.security.addPermissionToRole('Anonymous', 'Register', 'user')
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93 for cl in 'issue', 'file', 'msg', 'keyword':
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94 db.security.addPermissionToRole('User', 'View', cl)
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95 db.security.addPermissionToRole('User', 'Edit', cl)
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96 db.security.addPermissionToRole('User', 'Create', cl)
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97 for cl in 'priority', 'status':
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98 db.security.addPermissionToRole('User', 'View', cl)
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99 '''
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100 return db
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101
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102 class cldb(dict):
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103 def close(self):
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104 pass
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105
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106 class BasicDatabase(dict):
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107 ''' Provide a nice encapsulation of an anydbm store.
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108
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109 Keys are id strings, values are automatically marshalled data.
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110 '''
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111 def __getitem__(self, key):
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112 if key not in self:
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113 d = self[key] = {}
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114 return d
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115 return super(BasicDatabase, self).__getitem__(key)
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116 def exists(self, infoid):
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117 return infoid in self
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118 def get(self, infoid, value, default=None):
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119 return self[infoid].get(value, default)
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120 def getall(self, infoid):
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121 if infoid not in self:
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122 raise KeyError(infoid)
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123 return self[infoid]
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124 def set(self, infoid, **newvalues):
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125 self[infoid].update(newvalues)
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126 def list(self):
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127 return self.keys()
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128 def destroy(self, infoid):
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129 del self[infoid]
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130 def commit(self):
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131 pass
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132 def close(self):
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133 pass
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134 def updateTimestamp(self, sessid):
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135 pass
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136 def clean(self):
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137 pass
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138
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139 class Sessions(BasicDatabase, sessions_dbm.Sessions):
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140 name = 'sessions'
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141
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142 class OneTimeKeys(BasicDatabase, sessions_dbm.Sessions):
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143 name = 'otks'
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144
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145 class Indexer(indexer_dbm.Indexer):
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146 def __init__(self, db):
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147 indexer_common.Indexer.__init__(self, db)
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148 self.reindex = 0
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149 self.quiet = 9
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150 self.changed = 0
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151
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152 def load_index(self, reload=0, wordlist=None):
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153 # Unless reload is indicated, do not load twice
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154 if self.index_loaded() and not reload:
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155 return 0
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156 self.words = {}
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157 self.files = {'_TOP':(0,None)}
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158 self.fileids = {}
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159 self.changed = 0
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160
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161 def save_index(self):
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162 pass
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163 def force_reindex(self):
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164 # TODO I'm concerned that force_reindex may not be tested by
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165 # testForcedReindexing if the functionality can just be removed
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166 pass
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167
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168 class Database(back_anydbm.Database):
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169 """A database for storing records containing flexible data types.
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170
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171 Transaction stuff TODO:
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172
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173 - check the timestamp of the class file and nuke the cache if it's
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174 modified. Do some sort of conflict checking on the dirty stuff.
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175 - perhaps detect write collisions (related to above)?
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176 """
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177 def __init__(self, config, journaltag=None):
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178 self.config, self.journaltag = config, journaltag
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179 self.classes = {}
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180 self.items = {}
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181 self.ids = {}
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182 self.journals = {}
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183 self.files = {}
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184 self.tx_files = {}
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185 self.security = security.Security(self)
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186 self.stats = {'cache_hits': 0, 'cache_misses': 0, 'get_items': 0,
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187 'filtering': 0}
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188 self.sessions = Sessions()
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189 self.otks = OneTimeKeys()
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190 self.indexer = Indexer(self)
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191
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192 # anydbm bits
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193 self.cache = {} # cache of nodes loaded or created
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194 self.dirtynodes = {} # keep track of the dirty nodes by class
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195 self.newnodes = {} # keep track of the new nodes by class
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196 self.destroyednodes = {}# keep track of the destroyed nodes by class
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197 self.transactions = []
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198
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199 def filename(self, classname, nodeid, property=None, create=0):
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200 shutil.copyfile(__file__, __file__+'.dummy')
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201 return __file__+'.dummy'
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202
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203 def filesize(self, classname, nodeid, property=None, create=0):
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204 return len(self.getfile(classname, nodeid, property))
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205
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206 def post_init(self):
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207 pass
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208
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209 def refresh_database(self):
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210 pass
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211
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212 def getSessionManager(self):
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213 return self.sessions
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214
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215 def getOTKManager(self):
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216 return self.otks
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217
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218 def reindex(self, classname=None, show_progress=False):
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219 pass
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220
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221 def __repr__(self):
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222 return '<memorydb instance at %x>'%id(self)
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223
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224 def storefile(self, classname, nodeid, property, content):
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225 self.tx_files[classname, nodeid, property] = content
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226 self.transactions.append((self.doStoreFile, (classname, nodeid,
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227 property)))
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228
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229 def getfile(self, classname, nodeid, property):
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230 if (classname, nodeid, property) in self.tx_files:
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231 return self.tx_files[classname, nodeid, property]
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232 return self.files[classname, nodeid, property]
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233
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234 def doStoreFile(self, classname, nodeid, property, **databases):
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235 self.files[classname, nodeid, property] = self.tx_files[classname, nodeid, property]
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236 return (classname, nodeid)
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237
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238 def rollbackStoreFile(self, classname, nodeid, property, **databases):
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239 del self.tx_files[classname, nodeid, property]
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240
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241 def numfiles(self):
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242 return len(self.files) + len(self.tx_files)
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243
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244 def close(self):
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245 self.clearCache()
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246 self.tx_files = {}
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247 # kill the schema too
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248 self.classes = {}
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249 # just keep the .items
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250
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251 #
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252 # Classes
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253 #
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254 def __getattr__(self, classname):
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255 """A convenient way of calling self.getclass(classname)."""
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256 if self.classes.has_key(classname):
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257 return self.classes[classname]
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258 raise AttributeError, classname
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259
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260 def addclass(self, cl):
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261 cn = cl.classname
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262 if self.classes.has_key(cn):
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263 raise ValueError, cn
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264 self.classes[cn] = cl
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265 if cn not in self.items:
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266 self.items[cn] = cldb()
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267 self.ids[cn] = 0
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268
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269 # add default Edit and View permissions
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270 self.security.addPermission(name="Create", klass=cn,
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271 description="User is allowed to create "+cn)
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272 self.security.addPermission(name="Edit", klass=cn,
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273 description="User is allowed to edit "+cn)
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274 self.security.addPermission(name="View", klass=cn,
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275 description="User is allowed to access "+cn)
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276
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277 def getclasses(self):
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278 """Return a list of the names of all existing classes."""
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279 l = self.classes.keys()
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280 l.sort()
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281 return l
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282
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283 def getclass(self, classname):
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284 """Get the Class object representing a particular class.
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285
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286 If 'classname' is not a valid class name, a KeyError is raised.
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287 """
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288 try:
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289 return self.classes[classname]
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290 except KeyError:
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291 raise KeyError, 'There is no class called "%s"'%classname
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292
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293 #
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294 # Class DBs
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295 #
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296 def clear(self):
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297 self.items = {}
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298
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299 def getclassdb(self, classname, mode='r'):
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300 """ grab a connection to the class db that will be used for
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301 multiple actions
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302 """
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303 return self.items[classname]
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304
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305 def getCachedJournalDB(self, classname):
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306 return self.journals.setdefault(classname, {})
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307
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308 #
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309 # Node IDs
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310 #
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311 def newid(self, classname):
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312 self.ids[classname] += 1
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313 return str(self.ids[classname])
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314 def setid(self, classname, id):
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315 self.ids[classname] = int(id)
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316
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317 #
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318 # Journal
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319 #
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320 def doSaveJournal(self, classname, nodeid, action, params, creator,
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321 creation):
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322 if creator is None:
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323 creator = self.getuid()
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324 if creation is None:
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325 creation = date.Date()
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326 self.journals.setdefault(classname, {}).setdefault(nodeid,
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327 []).append((nodeid, creation, creator, action, params))
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328
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329 def doSetJournal(self, classname, nodeid, journal):
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330 self.journals.setdefault(classname, {})[nodeid] = journal
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331
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332 def getjournal(self, classname, nodeid):
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333 # our journal result
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334 res = []
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335
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336 # add any journal entries for transactions not committed to the
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337 # database
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338 for method, args in self.transactions:
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339 if method != self.doSaveJournal:
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340 continue
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341 (cache_classname, cache_nodeid, cache_action, cache_params,
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342 cache_creator, cache_creation) = args
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343 if cache_classname == classname and cache_nodeid == nodeid:
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344 if not cache_creator:
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345 cache_creator = self.getuid()
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346 if not cache_creation:
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347 cache_creation = date.Date()
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348 res.append((cache_nodeid, cache_creation, cache_creator,
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349 cache_action, cache_params))
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350 try:
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351 res += self.journals.get(classname, {})[nodeid]
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352 except KeyError:
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353 if res: return res
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354 raise IndexError, nodeid
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355 return res
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356
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357 def pack(self, pack_before):
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358 """ Delete all journal entries except "create" before 'pack_before'.
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359 """
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360 pack_before = pack_before.serialise()
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361 for classname in self.journals:
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362 db = self.journals[classname]
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363 for key in db:
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364 # get the journal for this db entry
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365 l = []
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366 last_set_entry = None
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367 for entry in db[key]:
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368 # unpack the entry
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369 (nodeid, date_stamp, self.journaltag, action,
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370 params) = entry
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371 date_stamp = date_stamp.serialise()
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372 # if the entry is after the pack date, _or_ the initial
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373 # create entry, then it stays
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374 if date_stamp > pack_before or action == 'create':
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375 l.append(entry)
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376 db[key] = l
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377
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378 class Class(back_anydbm.Class):
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379 pass
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380
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381 class FileClass(back_anydbm.FileClass):
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382 def __init__(self, db, classname, **properties):
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383 if not properties.has_key('content'):
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384 properties['content'] = hyperdb.String(indexme='yes')
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385 if not properties.has_key('type'):
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386 properties['type'] = hyperdb.String()
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387 back_anydbm.Class.__init__(self, db, classname, **properties)
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388
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389 def export_files(self, dirname, nodeid):
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390 dest = self.exportFilename(dirname, nodeid)
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391 ensureParentsExist(dest)
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392 f = open(dest, 'wb')
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393 f.write(self.db.files[self.classname, nodeid, None])
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394 f.close()
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395
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396 def import_files(self, dirname, nodeid):
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397 source = self.exportFilename(dirname, nodeid)
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398 f = open(source, 'rb')
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399 self.db.files[self.classname, nodeid, None] = f.read()
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400 f.close()
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401 mime_type = None
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402 props = self.getprops()
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403 if props.has_key('type'):
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404 mime_type = self.get(nodeid, 'type')
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405 if not mime_type:
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406 mime_type = self.default_mime_type
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407 if props['content'].indexme:
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408 self.db.indexer.add_text((self.classname, nodeid, 'content'),
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409 self.get(nodeid, 'content'), mime_type)
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410
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411 # deviation from spec - was called ItemClass
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412 class IssueClass(Class, roundupdb.IssueClass):
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413 # Overridden methods:
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414 def __init__(self, db, classname, **properties):
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415 """The newly-created class automatically includes the "messages",
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416 "files", "nosy", and "superseder" properties. If the 'properties'
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417 dictionary attempts to specify any of these properties or a
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418 "creation" or "activity" property, a ValueError is raised.
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419 """
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420 if not properties.has_key('title'):
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421 properties['title'] = hyperdb.String(indexme='yes')
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422 if not properties.has_key('messages'):
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423 properties['messages'] = hyperdb.Multilink("msg")
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424 if not properties.has_key('files'):
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425 properties['files'] = hyperdb.Multilink("file")
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426 if not properties.has_key('nosy'):
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427 # note: journalling is turned off as it really just wastes
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diff changeset
428 # space. this behaviour may be overridden in an instance
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diff changeset
429 properties['nosy'] = hyperdb.Multilink("user", do_journal="no")
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430 if not properties.has_key('superseder'):
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431 properties['superseder'] = hyperdb.Multilink(classname)
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432 Class.__init__(self, db, classname, **properties)
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433
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diff changeset
434 # vim: set et sts=4 sw=4 :
Roundup Issue Tracker: http://roundup-tracker.org/