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annotate roundup/test/memorydb.py @ 6365:7f00fc5958ca

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Make memorydb persistent across re-open This allows memorydb to be used for more tests, in particular re-opening with another user for checking permissions.
author Ralf Schlatterbeck <rsc@runtux.com>
date Wed, 31 Mar 2021 12:49:28 +0200
parents 58817c3bf471
children 087cae2fbcea
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 from roundup.anypy.strings import s2b
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19 from roundup.test.tx_Source_detector import init as tx_Source_init
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20
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21 default_prefix = '../../share/roundup/templates/classic'
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22
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23 def new_config(debug=False, prefix=default_prefix):
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24 if not prefix.startswith('/'):
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25 prefix = os.path.join (os.path.dirname(__file__), prefix)
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26 config = configuration.CoreConfig()
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27 config.detectors = configuration.UserConfig(
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28 os.path.join(prefix, "detectors/config.ini"))
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29 config.ext = configuration.UserConfig(
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30 os.path.join(prefix, "extensions/config.ini"))
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31 config.DATABASE = "db"
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32 #config.logging = MockNull()
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33 # these TRACKER_WEB and MAIL_DOMAIN values are used in mailgw tests
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34 if debug:
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35 config.LOGGING_LEVEL = "DEBUG"
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36 config.MAIL_DOMAIN = "your.tracker.email.domain.example"
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37 config.TRACKER_WEB = "http://tracker.example/cgi-bin/roundup.cgi/bugs/"
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38 return config
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39
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40 def create(journaltag, create=True, debug=False, prefix=default_prefix):
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41 # "Nuke" in-memory db
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42 db_nuke('')
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43
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44 db = Database(new_config(debug), journaltag)
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45
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46 # load standard schema
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47 if not prefix.startswith('/'):
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48 prefix = os.path.join (os.path.dirname(__file__), prefix)
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49 schema = os.path.join(prefix, 'schema.py')
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50 vars = hyperdb.__dict__
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51 vars['Class'] = Class
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52 vars['FileClass'] = FileClass
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53 vars['IssueClass'] = IssueClass
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54 vars['db'] = db
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55 exec(compile(open(schema).read(), schema, 'exec'), vars)
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56 initial_data = os.path.join(prefix, 'initial_data.py')
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57 vars = dict(db=db, admin_email='admin@test.com',
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58 adminpw=password.Password('sekrit'))
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59 exec(compile(open(initial_data).read(), initial_data, 'exec'), vars)
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60
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61 # load standard detectors
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62 dirname = os.path.join(prefix, 'detectors')
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63 for fn in os.listdir(dirname):
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64 if not fn.endswith('.py'): continue
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65 vars = {}
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66 exec(compile(open(os.path.join(dirname, fn)).read(),
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67 os.path.join(dirname, fn), 'exec'), vars)
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68 vars['init'](db)
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69
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70 tx_Source_init(db)
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71
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72 '''
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73 status = Class(db, "status", name=String())
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74 status.setkey("name")
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75 priority = Class(db, "priority", name=String(), order=String())
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76 priority.setkey("name")
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77 keyword = Class(db, "keyword", name=String(), order=String())
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78 keyword.setkey("name")
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79 user = Class(db, "user", username=String(), password=Password(),
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80 assignable=Boolean(), age=Number(), roles=String(), address=String(),
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81 supervisor=Link('user'),realname=String(),alternate_addresses=String())
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82 user.setkey("username")
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83 file = FileClass(db, "file", name=String(), type=String(),
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84 comment=String(indexme="yes"), fooz=Password())
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85 file_nidx = FileClass(db, "file_nidx", content=String(indexme='no'))
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86 issue = IssueClass(db, "issue", title=String(indexme="yes"),
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87 status=Link("status"), nosy=Multilink("user"), deadline=Date(),
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88 foo=Interval(), files=Multilink("file"), assignedto=Link('user'),
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89 priority=Link('priority'), spam=Multilink('msg'),
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90 feedback=Link('msg'))
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91 stuff = Class(db, "stuff", stuff=String())
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92 session = Class(db, 'session', title=String())
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93 msg = FileClass(db, "msg", date=Date(),
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94 author=Link("user", do_journal='no'),
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95 files=Multilink('file'), inreplyto=String(),
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96 messageid=String(), summary=String(),
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97 content=String(),
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98 recipients=Multilink("user", do_journal='no')
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99 )
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100 '''
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101 if create:
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102 db.user.create(username="fred", roles='User',
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103 password=password.Password('sekrit'), address='fred@example.com')
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104
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105 db.security.addPermissionToRole('User', 'Email Access')
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106 '''
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107 db.security.addPermission(name='Register', klass='user')
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108 db.security.addPermissionToRole('User', 'Web Access')
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109 db.security.addPermissionToRole('Anonymous', 'Email Access')
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110 db.security.addPermissionToRole('Anonymous', 'Register', 'user')
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111 for cl in 'issue', 'file', 'msg', 'keyword':
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112 db.security.addPermissionToRole('User', 'View', cl)
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113 db.security.addPermissionToRole('User', 'Edit', cl)
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114 db.security.addPermissionToRole('User', 'Create', cl)
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115 for cl in 'priority', 'status':
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116 db.security.addPermissionToRole('User', 'View', cl)
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117 '''
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118 return db
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119
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120 class cldb(dict):
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121 def __init__(self, **values):
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122 super(cldb, self).__init__()
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123 for key, value in values.items():
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124 super(cldb, self).__setitem__(s2b(key), value)
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125 def __getitem__(self, key):
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126 return super(cldb, self).__getitem__(s2b(key))
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127 def __setitem__(self, key, value):
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128 return super(cldb, self).__setitem__(s2b(key), value)
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129 def __delitem__(self, key):
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130 return super(cldb, self).__delitem__(s2b(key))
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131 def __contains__(self, key):
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132 return super(cldb, self).__contains__(s2b(key))
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133 def close(self):
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134 pass
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135
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136 class BasicDatabase(dict):
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137 ''' Provide a nice encapsulation of an anydbm store.
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138
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139 Keys are id strings, values are automatically marshalled data.
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140 '''
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141 def __init__(self, **values):
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142 super(BasicDatabase, self).__init__()
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143 for k, v in values.items():
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144 super(BasicDatabase, self).__setitem__(s2b(k), v)
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145 def __getitem__(self, key):
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146 if key not in self:
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147 d = self[key] = {}
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148 return d
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149 return super(BasicDatabase, self).__getitem__(s2b(key))
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150 def __setitem__(self, key, value):
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151 return super(BasicDatabase, self).__setitem__(s2b(key), value)
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152 def __delitem__(self, key):
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153 return super(BasicDatabase, self).__delitem__(s2b(key))
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154 def __contains__(self, key):
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155 return super(BasicDatabase, self).__contains__(s2b(key))
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156 def exists(self, infoid):
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157 return infoid in self
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158 def get(self, infoid, value, default=None):
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159 return self[infoid].get(value, default)
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160 def getall(self, infoid):
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161 if infoid not in self:
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162 raise KeyError(infoid)
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163 return self[infoid]
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164 def set(self, infoid, **newvalues):
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165 self[infoid].update(newvalues)
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166 def list(self):
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167 return list(self.keys())
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168 def destroy(self, infoid):
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169 del self[infoid]
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170 def commit(self):
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171 pass
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172 def close(self):
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173 pass
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174 def updateTimestamp(self, sessid):
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175 pass
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176 def clean(self):
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177 pass
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178
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179 class Sessions(BasicDatabase, sessions_dbm.Sessions):
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180 name = 'sessions'
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181
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182 class OneTimeKeys(BasicDatabase, sessions_dbm.Sessions):
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183 name = 'otks'
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184
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185 class Indexer(indexer_dbm.Indexer):
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186 def __init__(self, db):
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187 indexer_common.Indexer.__init__(self, db)
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188 self.reindex = 0
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189 self.quiet = 9
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190 self.changed = 0
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191
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192 def load_index(self, reload=0, wordlist=None):
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193 # Unless reload is indicated, do not load twice
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194 if self.index_loaded() and not reload:
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195 return 0
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196 self.words = {}
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197 self.files = {'_TOP':(0,None)}
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198 self.fileids = {}
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199 self.changed = 0
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200
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201 def save_index(self):
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202 pass
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203 def force_reindex(self):
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204 # TODO I'm concerned that force_reindex may not be tested by
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205 # testForcedReindexing if the functionality can just be removed
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206 pass
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207
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208 class Database(back_anydbm.Database):
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209 """A database for storing records containing flexible data types.
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210
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211 Transaction stuff TODO:
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212
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213 - check the timestamp of the class file and nuke the cache if it's
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214 modified. Do some sort of conflict checking on the dirty stuff.
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215 - perhaps detect write collisions (related to above)?
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216 """
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217
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218 dbtype = "memorydb"
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219
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220 # Make it a little more persistent across re-open
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221 memdb = {}
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222
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223 def __init__(self, config, journaltag=None):
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224 self.config, self.journaltag = config, journaltag
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225 self.classes = {}
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226 self.files = {}
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227 self.tx_files = {}
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228 self.security = security.Security(self)
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229 self.stats = {'cache_hits': 0, 'cache_misses': 0, 'get_items': 0,
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230 'filtering': 0}
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231 self.sessions = Sessions()
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232 self.otks = OneTimeKeys()
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233 self.indexer = Indexer(self)
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234
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235 # anydbm bits
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236 self.cache = {} # cache of nodes loaded or created
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237 self.dirtynodes = {} # keep track of the dirty nodes by class
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238 self.newnodes = {} # keep track of the new nodes by class
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239 self.destroyednodes = {}# keep track of the destroyed nodes by class
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240 self.transactions = []
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241 self.tx_Source = None
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242 # persistence across re-open
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243 self.items = self.__class__.memdb.get('items', {})
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244 self.ids = self.__class__.memdb.get('ids', {})
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245 self.journals = self.__class__.memdb.get('journals', {})
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246
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247 def filename(self, classname, nodeid, property=None, create=0):
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248 shutil.copyfile(__file__, __file__+'.dummy')
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249 return __file__+'.dummy'
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250
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251 def filesize(self, classname, nodeid, property=None, create=0):
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252 return len(self.getfile(classname, nodeid, property))
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253
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254 def post_init(self):
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255 super(Database, self).post_init()
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256
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257 def refresh_database(self):
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258 pass
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259
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260 def getSessionManager(self):
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261 return self.sessions
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262
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263 def getOTKManager(self):
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264 return self.otks
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265
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266 def reindex(self, classname=None, show_progress=False):
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267 pass
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268
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269 def __repr__(self):
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270 return '<memorydb instance at %x>'%id(self)
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271
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272 def storefile(self, classname, nodeid, property, content):
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273 if isinstance(content, str):
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274 content = s2b(content)
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275 self.tx_files[classname, nodeid, property] = content
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276 self.transactions.append((self.doStoreFile, (classname, nodeid,
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277 property)))
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278
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279 def getfile(self, classname, nodeid, property):
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280 if (classname, nodeid, property) in self.tx_files:
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281 return self.tx_files[classname, nodeid, property]
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282 return self.files[classname, nodeid, property]
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283
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284 def doStoreFile(self, classname, nodeid, property, **databases):
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285 self.files[classname, nodeid, property] = self.tx_files[classname, nodeid, property]
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diff changeset
286 return (classname, nodeid)
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287
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288 def rollbackStoreFile(self, classname, nodeid, property, **databases):
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289 del self.tx_files[classname, nodeid, property]
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290
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291 def numfiles(self):
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292 return len(self.files) + len(self.tx_files)
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293
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294 def close(self):
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295 self.clearCache()
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296 self.tx_files = {}
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297 # kill the schema too
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298 self.classes = {}
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299 # just keep the .items
6365
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300 # persistence across re-open
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301 self.__class__.memdb['items'] = self.items
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302 self.__class__.memdb['ids'] = self.ids
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303 self.__class__.memdb['journals'] = self.journals
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304
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305 #
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306 # Classes
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307 #
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308 def __getattr__(self, classname):
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309 """A convenient way of calling self.getclass(classname)."""
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310 if classname in self.classes:
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311 return self.classes[classname]
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312 raise AttributeError(classname)
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313
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314 def addclass(self, cl):
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315 cn = cl.classname
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316 if cn in self.classes:
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1e53e3ad9e5c Remove translation markings. Not needed.
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317 raise ValueError('Class "%s" already defined.'%cn)
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318 self.classes[cn] = cl
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319 if cn not in self.items:
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320 self.items[cn] = cldb()
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321 self.ids[cn] = 0
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322
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parents:
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323 # add default Edit and View permissions
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324 self.security.addPermission(name="Create", klass=cn,
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325 description="User is allowed to create "+cn)
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326 self.security.addPermission(name="Edit", klass=cn,
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parents:
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327 description="User is allowed to edit "+cn)
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328 self.security.addPermission(name="View", klass=cn,
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parents:
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329 description="User is allowed to access "+cn)
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parents:
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330
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331 def getclasses(self):
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332 """Return a list of the names of all existing classes."""
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23b8e6067f7c Python 3 preparation: update calls to dict methods.
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diff changeset
333 return sorted(self.classes.keys())
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334
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335 def getclass(self, classname):
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336 """Get the Class object representing a particular class.
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337
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diff changeset
338 If 'classname' is not a valid class name, a KeyError is raised.
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339 """
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340 try:
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341 return self.classes[classname]
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342 except KeyError:
5378
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diff changeset
343 raise KeyError('There is no class called "%s"'%classname)
4342
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344
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345 #
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diff changeset
346 # Class DBs
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347 #
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parents:
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348 def clear(self):
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349 self.items = {}
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350
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diff changeset
351 def getclassdb(self, classname, mode='r'):
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352 """ grab a connection to the class db that will be used for
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diff changeset
353 multiple actions
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diff changeset
354 """
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355 return self.items[classname]
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356
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diff changeset
357 def getCachedJournalDB(self, classname):
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diff changeset
358 return self.journals.setdefault(classname, {})
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diff changeset
359
4342
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360 #
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parents:
diff changeset
361 # Node IDs
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parents:
diff changeset
362 #
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parents:
diff changeset
363 def newid(self, classname):
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parents:
diff changeset
364 self.ids[classname] += 1
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parents:
diff changeset
365 return str(self.ids[classname])
4347
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diff changeset
366 def setid(self, classname, id):
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diff changeset
367 self.ids[classname] = int(id)
4342
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parents:
diff changeset
368
94c992852f12 add in-memory hyperdb implementation to speed up testing
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parents:
diff changeset
369 #
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parents:
diff changeset
370 # Journal
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parents:
diff changeset
371 #
4349
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diff changeset
372 def doSaveJournal(self, classname, nodeid, action, params, creator,
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diff changeset
373 creation):
4342
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parents:
diff changeset
374 if creator is None:
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parents:
diff changeset
375 creator = self.getuid()
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
376 if creation is None:
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
377 creation = date.Date()
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parents:
diff changeset
378 self.journals.setdefault(classname, {}).setdefault(nodeid,
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parents:
diff changeset
379 []).append((nodeid, creation, creator, action, params))
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parents:
diff changeset
380
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diff changeset
381 def doSetJournal(self, classname, nodeid, journal):
4342
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parents:
diff changeset
382 self.journals.setdefault(classname, {})[nodeid] = journal
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parents:
diff changeset
383
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parents:
diff changeset
384 def getjournal(self, classname, nodeid):
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diff changeset
385 # our journal result
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diff changeset
386 res = []
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diff changeset
387
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diff changeset
388 # add any journal entries for transactions not committed to the
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diff changeset
389 # database
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diff changeset
390 for method, args in self.transactions:
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parents: 4347
diff changeset
391 if method != self.doSaveJournal:
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parents: 4347
diff changeset
392 continue
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parents: 4347
diff changeset
393 (cache_classname, cache_nodeid, cache_action, cache_params,
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parents: 4347
diff changeset
394 cache_creator, cache_creation) = args
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parents: 4347
diff changeset
395 if cache_classname == classname and cache_nodeid == nodeid:
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parents: 4347
diff changeset
396 if not cache_creator:
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parents: 4347
diff changeset
397 cache_creator = self.getuid()
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parents: 4347
diff changeset
398 if not cache_creation:
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parents: 4347
diff changeset
399 cache_creation = date.Date()
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parents: 4347
diff changeset
400 res.append((cache_nodeid, cache_creation, cache_creator,
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parents: 4347
diff changeset
401 cache_action, cache_params))
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parents: 4347
diff changeset
402 try:
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parents: 4347
diff changeset
403 res += self.journals.get(classname, {})[nodeid]
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parents: 4347
diff changeset
404 except KeyError:
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parents: 4347
diff changeset
405 if res: return res
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5317
diff changeset
406 raise IndexError(nodeid)
4349
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diff changeset
407 return res
4342
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parents:
diff changeset
408
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
409 def pack(self, pack_before):
4349
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parents: 4347
diff changeset
410 """ Delete all journal entries except "create" before 'pack_before'.
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parents: 4347
diff changeset
411 """
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parents: 4347
diff changeset
412 pack_before = pack_before.serialise()
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parents: 4347
diff changeset
413 for classname in self.journals:
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parents: 4347
diff changeset
414 db = self.journals[classname]
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parents: 4347
diff changeset
415 for key in db:
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diff changeset
416 # get the journal for this db entry
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diff changeset
417 l = []
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parents: 4347
diff changeset
418 last_set_entry = None
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parents: 4347
diff changeset
419 for entry in db[key]:
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parents: 4347
diff changeset
420 # unpack the entry
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parents: 4347
diff changeset
421 (nodeid, date_stamp, self.journaltag, action,
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parents: 4347
diff changeset
422 params) = entry
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parents: 4347
diff changeset
423 date_stamp = date_stamp.serialise()
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parents: 4347
diff changeset
424 # if the entry is after the pack date, _or_ the initial
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parents: 4347
diff changeset
425 # create entry, then it stays
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parents: 4347
diff changeset
426 if date_stamp > pack_before or action == 'create':
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parents: 4347
diff changeset
427 l.append(entry)
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parents: 4347
diff changeset
428 db[key] = l
4342
94c992852f12 add in-memory hyperdb implementation to speed up testing
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parents:
diff changeset
429
94c992852f12 add in-memory hyperdb implementation to speed up testing
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parents:
diff changeset
430 class Class(back_anydbm.Class):
4349
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431 pass
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432
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433 class FileClass(back_anydbm.FileClass):
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434 def __init__(self, db, classname, **properties):
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435 if 'content' not in properties:
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436 properties['content'] = hyperdb.String(indexme='yes')
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437 if 'type' not in properties:
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438 properties['type'] = hyperdb.String()
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439 back_anydbm.Class.__init__(self, db, classname, **properties)
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440
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441 def export_files(self, dirname, nodeid):
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442 dest = self.exportFilename(dirname, nodeid)
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443 ensureParentsExist(dest)
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444 f = open(dest, 'wb')
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445 f.write(self.db.files[self.classname, nodeid, None])
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446 f.close()
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447
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448 def import_files(self, dirname, nodeid):
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449 source = self.exportFilename(dirname, nodeid)
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450 f = open(source, 'rb')
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451 self.db.files[self.classname, nodeid, None] = f.read()
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452 f.close()
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453 mime_type = None
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454 props = self.getprops()
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455 if 'type' in props:
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456 mime_type = self.get(nodeid, 'type')
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457 if not mime_type:
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458 mime_type = self.default_mime_type
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459 if props['content'].indexme:
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460 self.db.indexer.add_text((self.classname, nodeid, 'content'),
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461 self.get(nodeid, 'content'), mime_type)
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462
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463 # deviation from spec - was called ItemClass
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464 class IssueClass(Class, roundupdb.IssueClass):
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465 # Overridden methods:
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466 def __init__(self, db, classname, **properties):
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467 """The newly-created class automatically includes the "messages",
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468 "files", "nosy", and "superseder" properties. If the 'properties'
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469 dictionary attempts to specify any of these properties or a
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470 "creation" or "activity" property, a ValueError is raised.
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471 """
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472 if 'title' not in properties:
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473 properties['title'] = hyperdb.String(indexme='yes')
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474 if 'messages' not in properties:
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475 properties['messages'] = hyperdb.Multilink("msg")
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476 if 'files' not in properties:
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477 properties['files'] = hyperdb.Multilink("file")
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478 if 'nosy' not in properties:
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479 # note: journalling is turned off as it really just wastes
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480 # space. this behaviour may be overridden in an instance
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481 properties['nosy'] = hyperdb.Multilink("user", do_journal="no")
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482 if 'superseder' not in properties:
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483 properties['superseder'] = hyperdb.Multilink(classname)
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484 Class.__init__(self, db, classname, **properties)
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485
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486 # Methods to check for existence and nuke the db
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487 # We don't support multiple named databases
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488
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489 def db_exists(name):
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490 return bool(Database.memdb)
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491
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492 def db_nuke(name):
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493 Database.memdb = {}
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494
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495 # vim: set et sts=4 sw=4 :
Roundup Issue Tracker: http://roundup-tracker.org/