annotate test/memorydb.py @ 5385:e9fb7c539a52

Python 3 preparation: use exec(compile(open().read())) instead of execfile(). Tool-assisted patch.
author Joseph Myers <jsm@polyomino.org.uk>
date Tue, 24 Jul 2018 22:18:30 +0000
parents 0942fe89e82e
children 23b8e6067f7c
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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 import os
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6
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7 from roundup import date
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8 from roundup import hyperdb
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9 from roundup import roundupdb
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10 from roundup import security
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11 from roundup import password
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12 from roundup import configuration
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13 from roundup.backends import back_anydbm
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14 from roundup.backends import indexer_dbm
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15 from roundup.backends import sessions_dbm
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16 from roundup.backends import indexer_common
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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 = hyperdb.__dict__
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37 vars['Class'] = Class
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38 vars['FileClass'] = FileClass
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39 vars['IssueClass'] = IssueClass
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40 vars['db'] = db
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41 exec(compile(open(schema).read(), schema, 'exec'), vars)
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42 initial_data = os.path.join(os.path.dirname(__file__),
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43 '../share/roundup/templates/classic/initial_data.py')
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44 vars = dict(db=db, admin_email='admin@test.com',
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45 adminpw=password.Password('sekrit'))
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46 exec(compile(open(initial_data).read(), initial_data, 'exec'), vars)
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47
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48 # load standard detectors
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49 thisdir = os.path.dirname(__file__)
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50 dirname = os.path.join(thisdir,
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51 '../share/roundup/templates/classic/detectors')
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52 for fn in os.listdir(dirname):
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53 if not fn.endswith('.py'): continue
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54 vars = {}
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55 exec(compile(open(os.path.join(dirname, fn)).read(),
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56 os.path.join(dirname, fn), 'exec'), vars)
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57 vars['init'](db)
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58
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59 vars = {}
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60 exec(compile(open(os.path.join(thisdir, "tx_Source_detector.py")).read(),
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61 os.path.join(thisdir, "tx_Source_detector.py"), 'exec'), vars)
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62 vars['init'](db)
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63
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64 '''
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65 status = Class(db, "status", name=String())
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66 status.setkey("name")
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67 priority = Class(db, "priority", name=String(), order=String())
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68 priority.setkey("name")
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69 keyword = Class(db, "keyword", name=String(), order=String())
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70 keyword.setkey("name")
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71 user = Class(db, "user", username=String(), password=Password(),
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72 assignable=Boolean(), age=Number(), roles=String(), address=String(),
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73 supervisor=Link('user'),realname=String(),alternate_addresses=String())
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74 user.setkey("username")
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75 file = FileClass(db, "file", name=String(), type=String(),
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76 comment=String(indexme="yes"), fooz=Password())
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77 file_nidx = FileClass(db, "file_nidx", content=String(indexme='no'))
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78 issue = IssueClass(db, "issue", title=String(indexme="yes"),
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79 status=Link("status"), nosy=Multilink("user"), deadline=Date(),
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80 foo=Interval(), files=Multilink("file"), assignedto=Link('user'),
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81 priority=Link('priority'), spam=Multilink('msg'),
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82 feedback=Link('msg'))
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83 stuff = Class(db, "stuff", stuff=String())
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84 session = Class(db, 'session', title=String())
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85 msg = FileClass(db, "msg", date=Date(),
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86 author=Link("user", do_journal='no'),
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87 files=Multilink('file'), inreplyto=String(),
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88 messageid=String(), summary=String(),
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89 content=String(),
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90 recipients=Multilink("user", do_journal='no')
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91 )
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92 '''
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93 if create:
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94 db.user.create(username="fred", roles='User',
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95 password=password.Password('sekrit'), address='fred@example.com')
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96
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97 db.security.addPermissionToRole('User', 'Email Access')
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98 '''
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99 db.security.addPermission(name='Register', klass='user')
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100 db.security.addPermissionToRole('User', 'Web Access')
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101 db.security.addPermissionToRole('Anonymous', 'Email Access')
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102 db.security.addPermissionToRole('Anonymous', 'Register', 'user')
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103 for cl in 'issue', 'file', 'msg', 'keyword':
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104 db.security.addPermissionToRole('User', 'View', cl)
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105 db.security.addPermissionToRole('User', 'Edit', cl)
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106 db.security.addPermissionToRole('User', 'Create', cl)
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107 for cl in 'priority', 'status':
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108 db.security.addPermissionToRole('User', 'View', cl)
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109 '''
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110 return db
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111
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112 class cldb(dict):
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113 def close(self):
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114 pass
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115
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116 class BasicDatabase(dict):
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117 ''' Provide a nice encapsulation of an anydbm store.
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118
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119 Keys are id strings, values are automatically marshalled data.
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120 '''
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121 def __getitem__(self, key):
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122 if key not in self:
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123 d = self[key] = {}
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124 return d
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125 return super(BasicDatabase, self).__getitem__(key)
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126 def exists(self, infoid):
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127 return infoid in self
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128 def get(self, infoid, value, default=None):
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129 return self[infoid].get(value, default)
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130 def getall(self, infoid):
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131 if infoid not in self:
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132 raise KeyError(infoid)
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133 return self[infoid]
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134 def set(self, infoid, **newvalues):
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135 self[infoid].update(newvalues)
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136 def list(self):
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137 return self.keys()
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138 def destroy(self, infoid):
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139 del self[infoid]
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140 def commit(self):
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141 pass
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142 def close(self):
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143 pass
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144 def updateTimestamp(self, sessid):
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145 pass
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146 def clean(self):
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147 pass
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148
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149 class Sessions(BasicDatabase, sessions_dbm.Sessions):
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150 name = 'sessions'
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151
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152 class OneTimeKeys(BasicDatabase, sessions_dbm.Sessions):
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153 name = 'otks'
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154
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155 class Indexer(indexer_dbm.Indexer):
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156 def __init__(self, db):
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157 indexer_common.Indexer.__init__(self, db)
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158 self.reindex = 0
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159 self.quiet = 9
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160 self.changed = 0
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161
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162 def load_index(self, reload=0, wordlist=None):
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163 # Unless reload is indicated, do not load twice
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164 if self.index_loaded() and not reload:
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165 return 0
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166 self.words = {}
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167 self.files = {'_TOP':(0,None)}
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168 self.fileids = {}
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169 self.changed = 0
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170
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171 def save_index(self):
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172 pass
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173 def force_reindex(self):
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174 # TODO I'm concerned that force_reindex may not be tested by
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175 # testForcedReindexing if the functionality can just be removed
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176 pass
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177
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178 class Database(back_anydbm.Database):
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179 """A database for storing records containing flexible data types.
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180
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181 Transaction stuff TODO:
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182
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183 - check the timestamp of the class file and nuke the cache if it's
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184 modified. Do some sort of conflict checking on the dirty stuff.
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185 - perhaps detect write collisions (related to above)?
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186 """
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187
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188 dbtype = "memorydb"
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189
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190 def __init__(self, config, journaltag=None):
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191 self.config, self.journaltag = config, journaltag
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192 self.classes = {}
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193 self.items = {}
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194 self.ids = {}
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195 self.journals = {}
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196 self.files = {}
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197 self.tx_files = {}
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198 self.security = security.Security(self)
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199 self.stats = {'cache_hits': 0, 'cache_misses': 0, 'get_items': 0,
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200 'filtering': 0}
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201 self.sessions = Sessions()
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202 self.otks = OneTimeKeys()
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203 self.indexer = Indexer(self)
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204
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205 # anydbm bits
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206 self.cache = {} # cache of nodes loaded or created
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207 self.dirtynodes = {} # keep track of the dirty nodes by class
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208 self.newnodes = {} # keep track of the new nodes by class
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209 self.destroyednodes = {}# keep track of the destroyed nodes by class
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210 self.transactions = []
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211 self.tx_Source = None
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212
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213 def filename(self, classname, nodeid, property=None, create=0):
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214 shutil.copyfile(__file__, __file__+'.dummy')
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215 return __file__+'.dummy'
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216
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217 def filesize(self, classname, nodeid, property=None, create=0):
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218 return len(self.getfile(classname, nodeid, property))
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219
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220 def post_init(self):
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221 pass
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222
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223 def refresh_database(self):
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224 pass
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225
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226 def getSessionManager(self):
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227 return self.sessions
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228
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229 def getOTKManager(self):
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230 return self.otks
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231
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232 def reindex(self, classname=None, show_progress=False):
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233 pass
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234
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235 def __repr__(self):
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236 return '<memorydb instance at %x>'%id(self)
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237
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238 def storefile(self, classname, nodeid, property, content):
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239 self.tx_files[classname, nodeid, property] = content
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240 self.transactions.append((self.doStoreFile, (classname, nodeid,
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241 property)))
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242
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243 def getfile(self, classname, nodeid, property):
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244 if (classname, nodeid, property) in self.tx_files:
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245 return self.tx_files[classname, nodeid, property]
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246 return self.files[classname, nodeid, property]
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247
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248 def doStoreFile(self, classname, nodeid, property, **databases):
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249 self.files[classname, nodeid, property] = self.tx_files[classname, nodeid, property]
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250 return (classname, nodeid)
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251
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252 def rollbackStoreFile(self, classname, nodeid, property, **databases):
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253 del self.tx_files[classname, nodeid, property]
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254
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255 def numfiles(self):
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256 return len(self.files) + len(self.tx_files)
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257
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258 def close(self):
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259 self.clearCache()
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260 self.tx_files = {}
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261 # kill the schema too
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262 self.classes = {}
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263 # just keep the .items
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264
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265 #
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266 # Classes
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267 #
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268 def __getattr__(self, classname):
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269 """A convenient way of calling self.getclass(classname)."""
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270 if classname in self.classes:
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271 return self.classes[classname]
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272 raise AttributeError(classname)
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273
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274 def addclass(self, cl):
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275 cn = cl.classname
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276 if cn in self.classes:
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277 raise ValueError(cn)
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278 self.classes[cn] = cl
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279 if cn not in self.items:
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280 self.items[cn] = cldb()
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281 self.ids[cn] = 0
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282
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283 # add default Edit and View permissions
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284 self.security.addPermission(name="Create", klass=cn,
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285 description="User is allowed to create "+cn)
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286 self.security.addPermission(name="Edit", klass=cn,
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287 description="User is allowed to edit "+cn)
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288 self.security.addPermission(name="View", klass=cn,
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289 description="User is allowed to access "+cn)
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290
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291 def getclasses(self):
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292 """Return a list of the names of all existing classes."""
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293 l = self.classes.keys()
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294 l.sort()
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295 return l
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296
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297 def getclass(self, classname):
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298 """Get the Class object representing a particular class.
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299
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300 If 'classname' is not a valid class name, a KeyError is raised.
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301 """
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302 try:
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303 return self.classes[classname]
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304 except KeyError:
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305 raise KeyError('There is no class called "%s"'%classname)
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306
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307 #
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308 # Class DBs
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309 #
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310 def clear(self):
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311 self.items = {}
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312
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313 def getclassdb(self, classname, mode='r'):
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314 """ grab a connection to the class db that will be used for
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315 multiple actions
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316 """
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317 return self.items[classname]
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318
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319 def getCachedJournalDB(self, classname):
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320 return self.journals.setdefault(classname, {})
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321
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322 #
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323 # Node IDs
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324 #
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325 def newid(self, classname):
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326 self.ids[classname] += 1
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327 return str(self.ids[classname])
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328 def setid(self, classname, id):
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329 self.ids[classname] = int(id)
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330
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331 #
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332 # Journal
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333 #
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334 def doSaveJournal(self, classname, nodeid, action, params, creator,
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335 creation):
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336 if creator is None:
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337 creator = self.getuid()
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338 if creation is None:
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339 creation = date.Date()
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340 self.journals.setdefault(classname, {}).setdefault(nodeid,
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341 []).append((nodeid, creation, creator, action, params))
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342
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343 def doSetJournal(self, classname, nodeid, journal):
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344 self.journals.setdefault(classname, {})[nodeid] = journal
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345
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346 def getjournal(self, classname, nodeid):
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347 # our journal result
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348 res = []
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349
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350 # add any journal entries for transactions not committed to the
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351 # database
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352 for method, args in self.transactions:
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353 if method != self.doSaveJournal:
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354 continue
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355 (cache_classname, cache_nodeid, cache_action, cache_params,
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356 cache_creator, cache_creation) = args
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357 if cache_classname == classname and cache_nodeid == nodeid:
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358 if not cache_creator:
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359 cache_creator = self.getuid()
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360 if not cache_creation:
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361 cache_creation = date.Date()
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362 res.append((cache_nodeid, cache_creation, cache_creator,
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363 cache_action, cache_params))
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364 try:
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365 res += self.journals.get(classname, {})[nodeid]
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366 except KeyError:
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367 if res: return res
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368 raise IndexError(nodeid)
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369 return res
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370
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371 def pack(self, pack_before):
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372 """ Delete all journal entries except "create" before 'pack_before'.
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373 """
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374 pack_before = pack_before.serialise()
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375 for classname in self.journals:
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376 db = self.journals[classname]
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377 for key in db:
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378 # get the journal for this db entry
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379 l = []
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diff changeset
380 last_set_entry = None
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diff changeset
381 for entry in db[key]:
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diff changeset
382 # unpack the entry
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diff changeset
383 (nodeid, date_stamp, self.journaltag, action,
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diff changeset
384 params) = entry
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diff changeset
385 date_stamp = date_stamp.serialise()
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diff changeset
386 # if the entry is after the pack date, _or_ the initial
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diff changeset
387 # create entry, then it stays
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diff changeset
388 if date_stamp > pack_before or action == 'create':
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diff changeset
389 l.append(entry)
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diff changeset
390 db[key] = l
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391
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392 class Class(back_anydbm.Class):
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diff changeset
393 pass
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394
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395 class FileClass(back_anydbm.FileClass):
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396 def __init__(self, db, classname, **properties):
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diff changeset
397 if 'content' not in properties:
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398 properties['content'] = hyperdb.String(indexme='yes')
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399 if 'type' not in properties:
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400 properties['type'] = hyperdb.String()
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diff changeset
401 back_anydbm.Class.__init__(self, db, classname, **properties)
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diff changeset
402
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diff changeset
403 def export_files(self, dirname, nodeid):
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diff changeset
404 dest = self.exportFilename(dirname, nodeid)
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diff changeset
405 ensureParentsExist(dest)
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diff changeset
406 f = open(dest, 'wb')
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diff changeset
407 f.write(self.db.files[self.classname, nodeid, None])
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diff changeset
408 f.close()
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diff changeset
409
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diff changeset
410 def import_files(self, dirname, nodeid):
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diff changeset
411 source = self.exportFilename(dirname, nodeid)
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diff changeset
412 f = open(source, 'rb')
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diff changeset
413 self.db.files[self.classname, nodeid, None] = f.read()
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diff changeset
414 f.close()
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diff changeset
415 mime_type = None
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diff changeset
416 props = self.getprops()
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diff changeset
417 if 'type' in props:
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diff changeset
418 mime_type = self.get(nodeid, 'type')
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diff changeset
419 if not mime_type:
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diff changeset
420 mime_type = self.default_mime_type
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diff changeset
421 if props['content'].indexme:
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diff changeset
422 self.db.indexer.add_text((self.classname, nodeid, 'content'),
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diff changeset
423 self.get(nodeid, 'content'), mime_type)
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424
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diff changeset
425 # deviation from spec - was called ItemClass
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diff changeset
426 class IssueClass(Class, roundupdb.IssueClass):
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parents:
diff changeset
427 # Overridden methods:
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diff changeset
428 def __init__(self, db, classname, **properties):
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diff changeset
429 """The newly-created class automatically includes the "messages",
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diff changeset
430 "files", "nosy", and "superseder" properties. If the 'properties'
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parents:
diff changeset
431 dictionary attempts to specify any of these properties or a
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diff changeset
432 "creation" or "activity" property, a ValueError is raised.
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parents:
diff changeset
433 """
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diff changeset
434 if 'title' not in properties:
4342
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parents:
diff changeset
435 properties['title'] = hyperdb.String(indexme='yes')
5381
0942fe89e82e Python 3 preparation: change "x.has_key(y)" to "y in x".
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
436 if 'messages' not in properties:
4342
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
437 properties['messages'] = hyperdb.Multilink("msg")
5381
0942fe89e82e Python 3 preparation: change "x.has_key(y)" to "y in x".
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
438 if 'files' not in properties:
4342
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
439 properties['files'] = hyperdb.Multilink("file")
5381
0942fe89e82e Python 3 preparation: change "x.has_key(y)" to "y in x".
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
440 if 'nosy' not in properties:
4342
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
441 # note: journalling is turned off as it really just wastes
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
442 # space. this behaviour may be overridden in an instance
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
443 properties['nosy'] = hyperdb.Multilink("user", do_journal="no")
5381
0942fe89e82e Python 3 preparation: change "x.has_key(y)" to "y in x".
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
444 if 'superseder' not in properties:
4342
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
445 properties['superseder'] = hyperdb.Multilink(classname)
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
446 Class.__init__(self, db, classname, **properties)
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
447
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
448 # vim: set et sts=4 sw=4 :

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