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annotate test/memorydb.py @ 4346:4dc575b33712

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minor fix to memorydb
author Richard Jones <richard@users.sourceforge.net>
date Fri, 05 Feb 2010 04:10:06 +0000
parents 94c992852f12
children 0e33bf5571dc
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rev   line source
4346
4dc575b33712 minor fix to memorydb
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parents: 4342
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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 indexer_common
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15 from roundup.hyperdb import *
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16
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17 def new_config():
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18 config = configuration.CoreConfig()
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19 config.DATABASE = "db"
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20 #config.logging = MockNull()
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21 # these TRACKER_WEB and MAIL_DOMAIN values are used in mailgw tests
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22 config.MAIL_DOMAIN = "your.tracker.email.domain.example"
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23 config.TRACKER_WEB = "http://tracker.example/cgi-bin/roundup.cgi/bugs/"
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24 return config
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25
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26 def create(journaltag, create=True):
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27 db = Database(new_config(), journaltag)
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28
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29 # load standard schema
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30 schema = os.path.join(os.path.dirname(__file__),
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31 '../share/roundup/templates/classic/schema.py')
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32 vars = dict(globals())
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33 vars['db'] = db
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34 execfile(schema, vars)
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35 initial_data = os.path.join(os.path.dirname(__file__),
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36 '../share/roundup/templates/classic/initial_data.py')
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37 vars = dict(db=db, admin_email='admin@test.com',
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38 adminpw=password.Password('sekrit'))
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39 execfile(initial_data, vars)
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40
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41 # load standard detectors
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42 dirname = os.path.join(os.path.dirname(__file__),
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43 '../share/roundup/templates/classic/detectors')
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44 for fn in os.listdir(dirname):
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45 if not fn.endswith('.py'): continue
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46 vars = {}
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47 execfile(os.path.join(dirname, fn), vars)
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48 vars['init'](db)
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49
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50 '''
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51 status = Class(db, "status", name=String())
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52 status.setkey("name")
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53 priority = Class(db, "priority", name=String(), order=String())
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54 priority.setkey("name")
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55 keyword = Class(db, "keyword", name=String(), order=String())
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56 keyword.setkey("name")
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57 user = Class(db, "user", username=String(), password=Password(),
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58 assignable=Boolean(), age=Number(), roles=String(), address=String(),
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59 supervisor=Link('user'),realname=String(),alternate_addresses=String())
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60 user.setkey("username")
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61 file = FileClass(db, "file", name=String(), type=String(),
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62 comment=String(indexme="yes"), fooz=Password())
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63 file_nidx = FileClass(db, "file_nidx", content=String(indexme='no'))
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64 issue = IssueClass(db, "issue", title=String(indexme="yes"),
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65 status=Link("status"), nosy=Multilink("user"), deadline=Date(),
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66 foo=Interval(), files=Multilink("file"), assignedto=Link('user'),
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67 priority=Link('priority'), spam=Multilink('msg'),
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68 feedback=Link('msg'))
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69 stuff = Class(db, "stuff", stuff=String())
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70 session = Class(db, 'session', title=String())
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71 msg = FileClass(db, "msg", date=Date(),
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72 author=Link("user", do_journal='no'),
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73 files=Multilink('file'), inreplyto=String(),
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74 messageid=String(), summary=String(),
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75 content=String(),
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76 recipients=Multilink("user", do_journal='no')
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77 )
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78 '''
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79 if create:
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80 db.user.create(username="fred", roles='User',
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81 password=password.Password('sekrit'), address='fred@example.com')
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82
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83 db.security.addPermissionToRole('User', 'Email Access')
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84 '''
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85 db.security.addPermission(name='Register', klass='user')
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86 db.security.addPermissionToRole('User', 'Web Access')
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87 db.security.addPermissionToRole('Anonymous', 'Email Access')
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88 db.security.addPermissionToRole('Anonymous', 'Register', 'user')
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89 for cl in 'issue', 'file', 'msg', 'keyword':
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90 db.security.addPermissionToRole('User', 'View', cl)
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91 db.security.addPermissionToRole('User', 'Edit', cl)
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92 db.security.addPermissionToRole('User', 'Create', cl)
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93 for cl in 'priority', 'status':
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94 db.security.addPermissionToRole('User', 'View', cl)
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95 '''
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96 return db
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97
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98 class cldb(dict):
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99 def close(self):
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100 pass
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101
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102 class BasicDatabase(dict):
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103 ''' Provide a nice encapsulation of an anydbm store.
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104
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105 Keys are id strings, values are automatically marshalled data.
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106 '''
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107 def __getitem__(self, key):
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108 if key not in self:
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109 d = self[key] = {}
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110 return d
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111 return super(BasicDatabase, self).__getitem__(key)
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112 def exists(self, infoid):
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113 return infoid in self
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114 def get(self, infoid, value, default=None):
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115 return self[infoid].get(value, default)
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116 def getall(self, infoid):
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117 return self[infoid]
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118 def set(self, infoid, **newvalues):
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119 self[infoid].update(newvalues)
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120 def list(self):
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121 return self.keys()
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122 def destroy(self, infoid):
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123 del self[infoid]
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124 def commit(self):
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125 pass
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126 def close(self):
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127 pass
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128 def updateTimestamp(self, sessid):
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129 pass
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130 def clean(self):
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131 pass
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132
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133 class Sessions(BasicDatabase):
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134 name = 'sessions'
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135
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136 class OneTimeKeys(BasicDatabase):
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137 name = 'otks'
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138
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139 class Indexer(indexer_dbm.Indexer):
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140 def __init__(self, db):
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141 indexer_common.Indexer.__init__(self, db)
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142 self.reindex = 0
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143 self.quiet = 9
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144 self.changed = 0
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145
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146 def load_index(self, reload=0, wordlist=None):
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147 # Unless reload is indicated, do not load twice
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148 if self.index_loaded() and not reload:
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149 return 0
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150 self.words = {}
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151 self.files = {'_TOP':(0,None)}
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152 self.fileids = {}
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153 self.changed = 0
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154
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155 def save_index(self):
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156 pass
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157
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158 class Database(hyperdb.Database, roundupdb.Database):
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159 """A database for storing records containing flexible data types.
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160
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161 Transaction stuff TODO:
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162
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163 - check the timestamp of the class file and nuke the cache if it's
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164 modified. Do some sort of conflict checking on the dirty stuff.
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165 - perhaps detect write collisions (related to above)?
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166 """
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167 def __init__(self, config, journaltag=None):
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168 self.config, self.journaltag = config, journaltag
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169 self.classes = {}
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170 self.items = {}
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171 self.ids = {}
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172 self.journals = {}
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173 self.files = {}
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174 self.security = security.Security(self)
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175 self.stats = {'cache_hits': 0, 'cache_misses': 0, 'get_items': 0,
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176 'filtering': 0}
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177 self.sessions = Sessions()
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178 self.otks = OneTimeKeys()
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179 self.indexer = Indexer(self)
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180
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181
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182 def filename(self, classname, nodeid, property=None, create=0):
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183 shutil.copyfile(__file__, __file__+'.dummy')
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184 return __file__+'.dummy'
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185
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186 def post_init(self):
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187 pass
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188
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189 def refresh_database(self):
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190 pass
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191
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192 def getSessionManager(self):
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193 return self.sessions
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194
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195 def getOTKManager(self):
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196 return self.otks
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197
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198 def reindex(self, classname=None, show_progress=False):
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199 pass
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200
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201 def __repr__(self):
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202 return '<memorydb instance at %x>'%id(self)
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203
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204 def storefile(self, classname, nodeid, property, content):
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205 self.files[classname, nodeid, property] = content
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206
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207 def getfile(self, classname, nodeid, property):
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208 return self.files[classname, nodeid, property]
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209
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210 def numfiles(self):
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211 return len(self.files)
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212
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213 #
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214 # Classes
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215 #
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216 def __getattr__(self, classname):
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217 """A convenient way of calling self.getclass(classname)."""
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218 if self.classes.has_key(classname):
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219 return self.classes[classname]
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220 raise AttributeError, classname
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221
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222 def addclass(self, cl):
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223 cn = cl.classname
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224 if self.classes.has_key(cn):
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225 raise ValueError, cn
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226 self.classes[cn] = cl
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227 self.items[cn] = cldb()
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228 self.ids[cn] = 0
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229
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230 # add default Edit and View permissions
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231 self.security.addPermission(name="Create", klass=cn,
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232 description="User is allowed to create "+cn)
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233 self.security.addPermission(name="Edit", klass=cn,
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234 description="User is allowed to edit "+cn)
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235 self.security.addPermission(name="View", klass=cn,
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236 description="User is allowed to access "+cn)
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237
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238 def getclasses(self):
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239 """Return a list of the names of all existing classes."""
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240 l = self.classes.keys()
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241 l.sort()
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242 return l
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243
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244 def getclass(self, classname):
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245 """Get the Class object representing a particular class.
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246
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247 If 'classname' is not a valid class name, a KeyError is raised.
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248 """
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249 try:
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250 return self.classes[classname]
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251 except KeyError:
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252 raise KeyError, 'There is no class called "%s"'%classname
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253
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254 #
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255 # Class DBs
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256 #
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257 def clear(self):
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258 self.items = {}
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259
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260 def getclassdb(self, classname):
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261 """ grab a connection to the class db that will be used for
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262 multiple actions
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263 """
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264 return self.items[classname]
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265
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266 #
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267 # Node IDs
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268 #
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269 def newid(self, classname):
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270 self.ids[classname] += 1
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271 return str(self.ids[classname])
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272
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273 #
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274 # Nodes
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275 #
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276 def addnode(self, classname, nodeid, node):
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277 self.getclassdb(classname)[nodeid] = node
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278
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279 def setnode(self, classname, nodeid, node):
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280 self.getclassdb(classname)[nodeid] = node
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281
4346
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282 def getnode(self, classname, nodeid, db=None):
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283 if db is not None:
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284 return db[nodeid]
4342
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285 return self.getclassdb(classname)[nodeid]
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286
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287 def destroynode(self, classname, nodeid):
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288 del self.getclassdb(classname)[nodeid]
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289
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290 def hasnode(self, classname, nodeid):
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291 return nodeid in self.getclassdb(classname)
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292
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293 def countnodes(self, classname, db=None):
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294 return len(self.getclassdb(classname))
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295
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296 #
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297 # Journal
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298 #
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299 def addjournal(self, classname, nodeid, action, params, creator=None,
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300 creation=None):
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301 if creator is None:
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302 creator = self.getuid()
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303 if creation is None:
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304 creation = date.Date()
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305 self.journals.setdefault(classname, {}).setdefault(nodeid,
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306 []).append((nodeid, creation, creator, action, params))
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307
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308 def setjournal(self, classname, nodeid, journal):
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309 self.journals.setdefault(classname, {})[nodeid] = journal
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310
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311 def getjournal(self, classname, nodeid):
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312 return self.journals.get(classname, {}).get(nodeid, [])
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313
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314 def pack(self, pack_before):
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315 TODO
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316
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317 #
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318 # Basic transaction support
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319 #
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320 def commit(self, fail_ok=False):
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321 pass
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322
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323 def rollback(self):
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324 TODO
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325
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326 def close(self):
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327 pass
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328
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329 class Class(back_anydbm.Class):
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330 def getnodeids(self, db=None, retired=None):
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331 return self.db.getclassdb(self.classname).keys()
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332
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333 class FileClass(back_anydbm.Class):
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334 def __init__(self, db, classname, **properties):
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335 if not properties.has_key('content'):
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336 properties['content'] = hyperdb.String(indexme='yes')
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337 if not properties.has_key('type'):
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338 properties['type'] = hyperdb.String()
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339 back_anydbm.Class.__init__(self, db, classname, **properties)
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340
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341 def getnodeids(self, db=None, retired=None):
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342 return self.db.getclassdb(self.classname).keys()
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343
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344 # deviation from spec - was called ItemClass
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345 class IssueClass(Class, roundupdb.IssueClass):
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346 # Overridden methods:
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347 def __init__(self, db, classname, **properties):
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348 """The newly-created class automatically includes the "messages",
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349 "files", "nosy", and "superseder" properties. If the 'properties'
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350 dictionary attempts to specify any of these properties or a
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351 "creation" or "activity" property, a ValueError is raised.
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352 """
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353 if not properties.has_key('title'):
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354 properties['title'] = hyperdb.String(indexme='yes')
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355 if not properties.has_key('messages'):
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356 properties['messages'] = hyperdb.Multilink("msg")
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357 if not properties.has_key('files'):
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358 properties['files'] = hyperdb.Multilink("file")
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359 if not properties.has_key('nosy'):
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360 # note: journalling is turned off as it really just wastes
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361 # space. this behaviour may be overridden in an instance
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362 properties['nosy'] = hyperdb.Multilink("user", do_journal="no")
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363 if not properties.has_key('superseder'):
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364 properties['superseder'] = hyperdb.Multilink(classname)
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365 Class.__init__(self, db, classname, **properties)
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366
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367 # vim: set et sts=4 sw=4 :
Roundup Issue Tracker: http://roundup-tracker.org/