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annotate test/memorydb.py @ 4342:94c992852f12

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add in-memory hyperdb implementation to speed up testing
author Richard Jones <richard@users.sourceforge.net>
date Tue, 02 Feb 2010 04:44:18 +0000
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children 4dc575b33712
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4342
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1 '''Implement an in-memory hyperdb for testing purposes.
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2 '''
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3
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4 import shutil
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5
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6 from roundup import hyperdb
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7 from roundup import roundupdb
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8 from roundup import security
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9 from roundup import password
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10 from roundup import configuration
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11 from roundup.backends import back_anydbm
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12 from roundup.backends import indexer_dbm
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13 from roundup.backends import indexer_common
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14 from roundup.hyperdb import *
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15
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16 def new_config():
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17 config = configuration.CoreConfig()
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18 config.DATABASE = "db"
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19 #config.logging = MockNull()
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20 # these TRACKER_WEB and MAIL_DOMAIN values are used in mailgw tests
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21 config.MAIL_DOMAIN = "your.tracker.email.domain.example"
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22 config.TRACKER_WEB = "http://tracker.example/cgi-bin/roundup.cgi/bugs/"
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23 return config
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24
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25 def create(journaltag, create=True):
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26 db = Database(new_config(), journaltag)
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27
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28 # load standard schema
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29 schema = os.path.join(os.path.dirname(__file__),
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30 '../share/roundup/templates/classic/schema.py')
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31 vars = dict(globals())
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32 vars['db'] = db
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33 execfile(schema, vars)
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34 initial_data = os.path.join(os.path.dirname(__file__),
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35 '../share/roundup/templates/classic/initial_data.py')
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36 vars = dict(db=db, admin_email='admin@test.com',
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37 adminpw=password.Password('sekrit'))
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38 execfile(initial_data, vars)
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39
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40 # load standard detectors
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41 dirname = os.path.join(os.path.dirname(__file__),
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42 '../share/roundup/templates/classic/detectors')
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43 for fn in os.listdir(dirname):
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44 if not fn.endswith('.py'): continue
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45 vars = {}
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46 execfile(os.path.join(dirname, fn), vars)
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47 vars['init'](db)
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48
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49 '''
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50 status = Class(db, "status", name=String())
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51 status.setkey("name")
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52 priority = Class(db, "priority", name=String(), order=String())
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53 priority.setkey("name")
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54 keyword = Class(db, "keyword", name=String(), order=String())
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55 keyword.setkey("name")
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56 user = Class(db, "user", username=String(), password=Password(),
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57 assignable=Boolean(), age=Number(), roles=String(), address=String(),
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58 supervisor=Link('user'),realname=String(),alternate_addresses=String())
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59 user.setkey("username")
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60 file = FileClass(db, "file", name=String(), type=String(),
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61 comment=String(indexme="yes"), fooz=Password())
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62 file_nidx = FileClass(db, "file_nidx", content=String(indexme='no'))
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63 issue = IssueClass(db, "issue", title=String(indexme="yes"),
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64 status=Link("status"), nosy=Multilink("user"), deadline=Date(),
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65 foo=Interval(), files=Multilink("file"), assignedto=Link('user'),
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66 priority=Link('priority'), spam=Multilink('msg'),
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67 feedback=Link('msg'))
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68 stuff = Class(db, "stuff", stuff=String())
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69 session = Class(db, 'session', title=String())
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70 msg = FileClass(db, "msg", date=Date(),
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71 author=Link("user", do_journal='no'),
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72 files=Multilink('file'), inreplyto=String(),
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73 messageid=String(), summary=String(),
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74 content=String(),
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75 recipients=Multilink("user", do_journal='no')
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76 )
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77 '''
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78 if create:
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79 db.user.create(username="fred", roles='User',
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80 password=password.Password('sekrit'), address='fred@example.com')
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81
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82 db.security.addPermissionToRole('User', 'Email Access')
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83 '''
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84 db.security.addPermission(name='Register', klass='user')
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85 db.security.addPermissionToRole('User', 'Web Access')
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86 db.security.addPermissionToRole('Anonymous', 'Email Access')
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87 db.security.addPermissionToRole('Anonymous', 'Register', 'user')
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88 for cl in 'issue', 'file', 'msg', 'keyword':
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89 db.security.addPermissionToRole('User', 'View', cl)
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90 db.security.addPermissionToRole('User', 'Edit', cl)
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91 db.security.addPermissionToRole('User', 'Create', cl)
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92 for cl in 'priority', 'status':
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93 db.security.addPermissionToRole('User', 'View', cl)
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94 '''
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95 return db
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96
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97 class cldb(dict):
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98 def close(self):
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99 pass
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100
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101 class BasicDatabase(dict):
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102 ''' Provide a nice encapsulation of an anydbm store.
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103
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104 Keys are id strings, values are automatically marshalled data.
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105 '''
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106 def __getitem__(self, key):
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107 if key not in self:
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108 d = self[key] = {}
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109 return d
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110 return super(BasicDatabase, self).__getitem__(key)
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111 def exists(self, infoid):
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112 return infoid in self
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113 def get(self, infoid, value, default=None):
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114 return self[infoid].get(value, default)
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115 def getall(self, infoid):
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116 return self[infoid]
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117 def set(self, infoid, **newvalues):
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118 self[infoid].update(newvalues)
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119 def list(self):
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120 return self.keys()
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121 def destroy(self, infoid):
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122 del self[infoid]
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123 def commit(self):
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124 pass
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125 def close(self):
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126 pass
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127 def updateTimestamp(self, sessid):
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128 pass
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129 def clean(self):
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130 pass
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131
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132 class Sessions(BasicDatabase):
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133 name = 'sessions'
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134
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135 class OneTimeKeys(BasicDatabase):
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136 name = 'otks'
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137
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138 class Indexer(indexer_dbm.Indexer):
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139 def __init__(self, db):
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140 indexer_common.Indexer.__init__(self, db)
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141 self.reindex = 0
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142 self.quiet = 9
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143 self.changed = 0
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144
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145 def load_index(self, reload=0, wordlist=None):
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146 # Unless reload is indicated, do not load twice
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147 if self.index_loaded() and not reload:
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148 return 0
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149 self.words = {}
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150 self.files = {'_TOP':(0,None)}
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151 self.fileids = {}
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152 self.changed = 0
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153
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154 def save_index(self):
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155 pass
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156
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157 class Database(hyperdb.Database, roundupdb.Database):
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158 """A database for storing records containing flexible data types.
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159
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160 Transaction stuff TODO:
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161
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162 - check the timestamp of the class file and nuke the cache if it's
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163 modified. Do some sort of conflict checking on the dirty stuff.
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164 - perhaps detect write collisions (related to above)?
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165 """
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166 def __init__(self, config, journaltag=None):
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167 self.config, self.journaltag = config, journaltag
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168 self.classes = {}
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169 self.items = {}
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170 self.ids = {}
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171 self.journals = {}
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172 self.files = {}
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173 self.security = security.Security(self)
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174 self.stats = {'cache_hits': 0, 'cache_misses': 0, 'get_items': 0,
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175 'filtering': 0}
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176 self.sessions = Sessions()
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177 self.otks = OneTimeKeys()
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178 self.indexer = Indexer(self)
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179
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180
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181 def filename(self, classname, nodeid, property=None, create=0):
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182 shutil.copyfile(__file__, __file__+'.dummy')
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183 return __file__+'.dummy'
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184
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185 def post_init(self):
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186 pass
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187
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188 def refresh_database(self):
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189 pass
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190
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191 def getSessionManager(self):
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192 return self.sessions
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193
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194 def getOTKManager(self):
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195 return self.otks
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196
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197 def reindex(self, classname=None, show_progress=False):
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198 pass
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199
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200 def __repr__(self):
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201 return '<memorydb instance at %x>'%id(self)
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202
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203 def storefile(self, classname, nodeid, property, content):
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204 self.files[classname, nodeid, property] = content
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205
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206 def getfile(self, classname, nodeid, property):
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207 return self.files[classname, nodeid, property]
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208
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209 def numfiles(self):
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210 return len(self.files)
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211
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212 #
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213 # Classes
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214 #
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215 def __getattr__(self, classname):
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216 """A convenient way of calling self.getclass(classname)."""
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217 if self.classes.has_key(classname):
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218 return self.classes[classname]
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219 raise AttributeError, classname
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220
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221 def addclass(self, cl):
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222 cn = cl.classname
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223 if self.classes.has_key(cn):
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224 raise ValueError, cn
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225 self.classes[cn] = cl
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226 self.items[cn] = cldb()
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227 self.ids[cn] = 0
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228
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229 # add default Edit and View permissions
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230 self.security.addPermission(name="Create", klass=cn,
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231 description="User is allowed to create "+cn)
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232 self.security.addPermission(name="Edit", klass=cn,
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233 description="User is allowed to edit "+cn)
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234 self.security.addPermission(name="View", klass=cn,
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235 description="User is allowed to access "+cn)
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236
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237 def getclasses(self):
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238 """Return a list of the names of all existing classes."""
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239 l = self.classes.keys()
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240 l.sort()
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241 return l
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242
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243 def getclass(self, classname):
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244 """Get the Class object representing a particular class.
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245
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246 If 'classname' is not a valid class name, a KeyError is raised.
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247 """
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248 try:
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249 return self.classes[classname]
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250 except KeyError:
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251 raise KeyError, 'There is no class called "%s"'%classname
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252
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253 #
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254 # Class DBs
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255 #
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256 def clear(self):
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257 self.items = {}
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258
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259 def getclassdb(self, classname):
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260 """ grab a connection to the class db that will be used for
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261 multiple actions
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262 """
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263 return self.items[classname]
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264
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265 #
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266 # Node IDs
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267 #
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268 def newid(self, classname):
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269 self.ids[classname] += 1
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270 return str(self.ids[classname])
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271
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272 #
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273 # Nodes
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274 #
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275 def addnode(self, classname, nodeid, node):
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276 self.getclassdb(classname)[nodeid] = node
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277
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278 def setnode(self, classname, nodeid, node):
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279 self.getclassdb(classname)[nodeid] = node
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280
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281 def getnode(self, classname, nodeid, cldb=None):
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282 if cldb is not None:
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283 return cldb[nodeid]
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284 return self.getclassdb(classname)[nodeid]
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285
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286 def destroynode(self, classname, nodeid):
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287 del self.getclassdb(classname)[nodeid]
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288
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289 def hasnode(self, classname, nodeid):
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290 return nodeid in self.getclassdb(classname)
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291
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292 def countnodes(self, classname, db=None):
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293 return len(self.getclassdb(classname))
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294
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295 #
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296 # Journal
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297 #
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298 def addjournal(self, classname, nodeid, action, params, creator=None,
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299 creation=None):
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300 if creator is None:
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301 creator = self.getuid()
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302 if creation is None:
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303 creation = date.Date()
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304 self.journals.setdefault(classname, {}).setdefault(nodeid,
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305 []).append((nodeid, creation, creator, action, params))
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306
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307 def setjournal(self, classname, nodeid, journal):
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308 self.journals.setdefault(classname, {})[nodeid] = journal
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309
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310 def getjournal(self, classname, nodeid):
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311 return self.journals.get(classname, {}).get(nodeid, [])
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312
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313 def pack(self, pack_before):
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314 TODO
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315
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316 #
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317 # Basic transaction support
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318 #
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319 def commit(self, fail_ok=False):
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320 pass
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321
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322 def rollback(self):
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323 TODO
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324
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325 def close(self):
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326 pass
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327
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328 class Class(back_anydbm.Class):
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329 def getnodeids(self, db=None, retired=None):
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330 return self.db.getclassdb(self.classname).keys()
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331
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332 class FileClass(back_anydbm.Class):
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333 def __init__(self, db, classname, **properties):
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334 if not properties.has_key('content'):
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335 properties['content'] = hyperdb.String(indexme='yes')
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336 if not properties.has_key('type'):
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337 properties['type'] = hyperdb.String()
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338 back_anydbm.Class.__init__(self, db, classname, **properties)
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339
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340 def getnodeids(self, db=None, retired=None):
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341 return self.db.getclassdb(self.classname).keys()
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342
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343 # deviation from spec - was called ItemClass
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344 class IssueClass(Class, roundupdb.IssueClass):
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345 # Overridden methods:
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346 def __init__(self, db, classname, **properties):
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347 """The newly-created class automatically includes the "messages",
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348 "files", "nosy", and "superseder" properties. If the 'properties'
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349 dictionary attempts to specify any of these properties or a
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350 "creation" or "activity" property, a ValueError is raised.
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351 """
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352 if not properties.has_key('title'):
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353 properties['title'] = hyperdb.String(indexme='yes')
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354 if not properties.has_key('messages'):
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355 properties['messages'] = hyperdb.Multilink("msg")
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356 if not properties.has_key('files'):
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357 properties['files'] = hyperdb.Multilink("file")
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358 if not properties.has_key('nosy'):
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359 # note: journalling is turned off as it really just wastes
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360 # space. this behaviour may be overridden in an instance
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361 properties['nosy'] = hyperdb.Multilink("user", do_journal="no")
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362 if not properties.has_key('superseder'):
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363 properties['superseder'] = hyperdb.Multilink(classname)
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364 Class.__init__(self, db, classname, **properties)
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365
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366 # vim: set et sts=4 sw=4 :
Roundup Issue Tracker: http://roundup-tracker.org/