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annotate roundup/test/memorydb.py @ 6493:a7072cf4ad7e

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Actually call close().
author John Rouillard <rouilj@ieee.org>
date Mon, 06 Sep 2021 16:35:22 -0400
parents 4351c95faace
children 408fd477761f
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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
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50 schema = os.path.join(prefix, 'schema.py')
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51 vars = hyperdb.__dict__
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52 vars['Class'] = Class
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53 vars['FileClass'] = FileClass
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54 vars['IssueClass'] = IssueClass
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55 vars['db'] = db
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56 fd = open(schema)
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57 exec(compile(fd.read(), schema, 'exec'), vars)
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58 fd.close()
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59
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60 initial_data = os.path.join(prefix, 'initial_data.py')
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61 vars = dict(db=db, admin_email='admin@test.com',
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62 adminpw=password.Password('sekrit'))
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63 fd = open(initial_data)
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64 exec(compile(fd.read(), initial_data, 'exec'), vars)
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65 fd.close()
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66
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67 # load standard detectors
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68 dirname = os.path.join(prefix, 'detectors')
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69 for fn in os.listdir(dirname):
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70 if not fn.endswith('.py'): continue
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71 vars = {}
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72 with open(os.path.join(dirname, fn)) as fd:
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73 exec(compile(fd.read(),
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74 os.path.join(dirname, fn), 'exec'), vars)
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75 vars['init'](db)
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76
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77 tx_Source_init(db)
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78
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79 '''
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80 status = Class(db, "status", name=String())
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81 status.setkey("name")
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82 priority = Class(db, "priority", name=String(), order=String())
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83 priority.setkey("name")
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84 keyword = Class(db, "keyword", name=String(), order=String())
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85 keyword.setkey("name")
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86 user = Class(db, "user", username=String(), password=Password(),
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87 assignable=Boolean(), age=Number(), roles=String(), address=String(),
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88 supervisor=Link('user'),realname=String(),alternate_addresses=String())
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89 user.setkey("username")
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90 file = FileClass(db, "file", name=String(), type=String(),
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91 comment=String(indexme="yes"), fooz=Password())
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92 file_nidx = FileClass(db, "file_nidx", content=String(indexme='no'))
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93 issue = IssueClass(db, "issue", title=String(indexme="yes"),
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94 status=Link("status"), nosy=Multilink("user"), deadline=Date(),
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95 foo=Interval(), files=Multilink("file"), assignedto=Link('user'),
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96 priority=Link('priority'), spam=Multilink('msg'),
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97 feedback=Link('msg'))
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98 stuff = Class(db, "stuff", stuff=String())
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99 session = Class(db, 'session', title=String())
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100 msg = FileClass(db, "msg", date=Date(),
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101 author=Link("user", do_journal='no'),
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102 files=Multilink('file'), inreplyto=String(),
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103 messageid=String(), summary=String(),
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104 content=String(),
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105 recipients=Multilink("user", do_journal='no')
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106 )
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107 '''
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108 if create:
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109 db.user.create(username="fred", roles='User',
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110 password=password.Password('sekrit'), address='fred@example.com')
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111
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112 db.security.addPermissionToRole('User', 'Email Access')
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113 '''
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114 db.security.addPermission(name='Register', klass='user')
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115 db.security.addPermissionToRole('User', 'Web Access')
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116 db.security.addPermissionToRole('Anonymous', 'Email Access')
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117 db.security.addPermissionToRole('Anonymous', 'Register', 'user')
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118 for cl in 'issue', 'file', 'msg', 'keyword':
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119 db.security.addPermissionToRole('User', 'View', cl)
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120 db.security.addPermissionToRole('User', 'Edit', cl)
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121 db.security.addPermissionToRole('User', 'Create', cl)
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122 for cl in 'priority', 'status':
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123 db.security.addPermissionToRole('User', 'View', cl)
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124 '''
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125 return db
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126
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127 class cldb(dict):
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128 def __init__(self, **values):
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129 super(cldb, self).__init__()
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130 for key, value in values.items():
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131 super(cldb, self).__setitem__(s2b(key), value)
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132 def __getitem__(self, key):
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133 return super(cldb, self).__getitem__(s2b(key))
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134 def __setitem__(self, key, value):
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135 return super(cldb, self).__setitem__(s2b(key), value)
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136 def __delitem__(self, key):
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137 return super(cldb, self).__delitem__(s2b(key))
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138 def __contains__(self, key):
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139 return super(cldb, self).__contains__(s2b(key))
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140 def close(self):
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141 pass
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142
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143 class BasicDatabase(dict):
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144 ''' Provide a nice encapsulation of an anydbm store.
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145
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146 Keys are id strings, values are automatically marshalled data.
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147 '''
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148 def __init__(self, **values):
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149 super(BasicDatabase, self).__init__()
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150 for k, v in values.items():
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151 super(BasicDatabase, self).__setitem__(s2b(k), v)
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152 def __getitem__(self, key):
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153 if key not in self:
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154 d = self[key] = {}
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155 return d
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156 return super(BasicDatabase, self).__getitem__(s2b(key))
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157 def __setitem__(self, key, value):
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158 return super(BasicDatabase, self).__setitem__(s2b(key), value)
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159 def __delitem__(self, key):
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160 return super(BasicDatabase, self).__delitem__(s2b(key))
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161 def __contains__(self, key):
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162 return super(BasicDatabase, self).__contains__(s2b(key))
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163 def exists(self, infoid):
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164 return infoid in self
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165 def get(self, infoid, value, default=None):
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166 return self[infoid].get(value, default)
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167 def getall(self, infoid):
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168 if infoid not in self:
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169 raise KeyError(infoid)
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170 return self[infoid]
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171 def set(self, infoid, **newvalues):
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172 self[infoid].update(newvalues)
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173 def list(self):
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174 return list(self.keys())
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175 def destroy(self, infoid):
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176 del self[infoid]
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177 def commit(self):
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178 pass
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179 def close(self):
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180 pass
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181 def updateTimestamp(self, sessid):
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182 pass
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183 def clean(self):
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184 pass
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185
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186 class Sessions(BasicDatabase, sessions_dbm.Sessions):
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187 name = 'sessions'
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188
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189 class OneTimeKeys(BasicDatabase, sessions_dbm.Sessions):
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190 name = 'otks'
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191
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192 class Indexer(indexer_dbm.Indexer):
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193 def __init__(self, db):
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194 indexer_common.Indexer.__init__(self, db)
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195 self.reindex = 0
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196 self.quiet = 9
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197 self.changed = 0
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198
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199 def load_index(self, reload=0, wordlist=None):
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200 # Unless reload is indicated, do not load twice
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201 if self.index_loaded() and not reload:
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202 return 0
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203 self.words = {}
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204 self.files = {'_TOP':(0,None)}
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205 self.fileids = {}
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206 self.changed = 0
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207
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208 def save_index(self):
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209 pass
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210 def force_reindex(self):
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211 # TODO I'm concerned that force_reindex may not be tested by
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212 # testForcedReindexing if the functionality can just be removed
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213 pass
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214
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215 class Database(back_anydbm.Database):
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216 """A database for storing records containing flexible data types.
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217
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218 Transaction stuff TODO:
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219
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220 - check the timestamp of the class file and nuke the cache if it's
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221 modified. Do some sort of conflict checking on the dirty stuff.
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222 - perhaps detect write collisions (related to above)?
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223 """
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224
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225 dbtype = "memorydb"
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226
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227 # Make it a little more persistent across re-open
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228 memdb = {}
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229
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230 def __init__(self, config, journaltag=None):
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231 self.config, self.journaltag = config, journaltag
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232 self.classes = {}
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233 self.files = {}
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234 self.tx_files = {}
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235 self.security = security.Security(self)
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236 self.stats = {'cache_hits': 0, 'cache_misses': 0, 'get_items': 0,
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237 'filtering': 0}
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238 self.sessions = Sessions()
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239 self.otks = OneTimeKeys()
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240 self.indexer = Indexer(self)
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241
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242 # anydbm bits
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243 self.cache = {} # cache of nodes loaded or created
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244 self.dirtynodes = {} # keep track of the dirty nodes by class
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245 self.newnodes = {} # keep track of the new nodes by class
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246 self.destroyednodes = {}# keep track of the destroyed nodes by class
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247 self.transactions = []
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248 self.tx_Source = None
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249 # persistence across re-open
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250 self.items = self.__class__.memdb.get('items', {})
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251 self.ids = self.__class__.memdb.get('ids', {})
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252 self.journals = self.__class__.memdb.get('journals', {})
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253
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254 def filename(self, classname, nodeid, property=None, create=0):
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255 shutil.copyfile(__file__, __file__+'.dummy')
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256 return __file__+'.dummy'
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257
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258 def filesize(self, classname, nodeid, property=None, create=0):
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259 return len(self.getfile(classname, nodeid, property))
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260
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261 def post_init(self):
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262 super(Database, self).post_init()
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263
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264 def refresh_database(self):
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265 pass
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266
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267 def getSessionManager(self):
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268 return self.sessions
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269
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270 def getOTKManager(self):
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271 return self.otks
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272
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273 def reindex(self, classname=None, show_progress=False):
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274 pass
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275
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276 def __repr__(self):
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277 return '<memorydb instance at %x>'%id(self)
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278
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279 def storefile(self, classname, nodeid, property, content):
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280 if isinstance(content, str):
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281 content = s2b(content)
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282 self.tx_files[classname, nodeid, property] = content
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283 self.transactions.append((self.doStoreFile, (classname, nodeid,
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284 property)))
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285
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286 def getfile(self, classname, nodeid, property):
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287 if (classname, nodeid, property) in self.tx_files:
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288 return self.tx_files[classname, nodeid, property]
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289 return self.files[classname, nodeid, property]
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290
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291 def doStoreFile(self, classname, nodeid, property, **databases):
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292 self.files[classname, nodeid, property] = self.tx_files[classname, nodeid, property]
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293 return (classname, nodeid)
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294
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295 def rollbackStoreFile(self, classname, nodeid, property, **databases):
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296 del self.tx_files[classname, nodeid, property]
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297
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298 def numfiles(self):
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299 return len(self.files) + len(self.tx_files)
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300
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301 def close(self):
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302 self.clearCache()
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303 self.tx_files = {}
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304 # kill the schema too
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305 self.classes = {}
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306 # just keep the .items
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307 # persistence across re-open
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308 self.__class__.memdb['items'] = self.items
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309 self.__class__.memdb['ids'] = self.ids
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310 self.__class__.memdb['journals'] = self.journals
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311
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312 #
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313 # Classes
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314 #
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315 def __getattr__(self, classname):
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316 """A convenient way of calling self.getclass(classname)."""
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317 if classname in self.classes:
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318 return self.classes[classname]
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319 raise AttributeError(classname)
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320
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321 def addclass(self, cl):
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322 cn = cl.classname
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323 if cn in self.classes:
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1e53e3ad9e5c Remove translation markings. Not needed.
John Rouillard <rouilj@ieee.org>
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324 raise ValueError('Class "%s" already defined.'%cn)
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325 self.classes[cn] = cl
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326 if cn not in self.items:
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327 self.items[cn] = cldb()
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328 self.ids[cn] = 0
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329
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parents:
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330 # add default Edit and View permissions
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331 self.security.addPermission(name="Create", klass=cn,
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332 description="User is allowed to create "+cn)
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333 self.security.addPermission(name="Edit", klass=cn,
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parents:
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334 description="User is allowed to edit "+cn)
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335 self.security.addPermission(name="View", klass=cn,
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parents:
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336 description="User is allowed to access "+cn)
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parents:
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337
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338 def getclasses(self):
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339 """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
340 return sorted(self.classes.keys())
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341
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342 def getclass(self, classname):
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diff changeset
343 """Get the Class object representing a particular class.
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344
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diff changeset
345 If 'classname' is not a valid class name, a KeyError is raised.
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346 """
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347 try:
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348 return self.classes[classname]
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349 except KeyError:
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diff changeset
350 raise KeyError('There is no class called "%s"'%classname)
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351
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352 #
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diff changeset
353 # Class DBs
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354 #
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parents:
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355 def clear(self):
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356 self.items = {}
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357
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diff changeset
358 def getclassdb(self, classname, mode='r'):
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359 """ grab a connection to the class db that will be used for
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diff changeset
360 multiple actions
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diff changeset
361 """
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parents:
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362 return self.items[classname]
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363
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diff changeset
364 def getCachedJournalDB(self, classname):
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diff changeset
365 return self.journals.setdefault(classname, {})
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diff changeset
366
4342
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367 #
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parents:
diff changeset
368 # Node IDs
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parents:
diff changeset
369 #
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parents:
diff changeset
370 def newid(self, classname):
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parents:
diff changeset
371 self.ids[classname] += 1
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parents:
diff changeset
372 return str(self.ids[classname])
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parents: 4346
diff changeset
373 def setid(self, classname, id):
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diff changeset
374 self.ids[classname] = int(id)
4342
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parents:
diff changeset
375
94c992852f12 add in-memory hyperdb implementation to speed up testing
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parents:
diff changeset
376 #
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parents:
diff changeset
377 # Journal
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parents:
diff changeset
378 #
4349
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diff changeset
379 def doSaveJournal(self, classname, nodeid, action, params, creator,
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diff changeset
380 creation):
4342
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diff changeset
381 if creator is None:
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parents:
diff changeset
382 creator = self.getuid()
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parents:
diff changeset
383 if creation is None:
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
384 creation = date.Date()
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parents:
diff changeset
385 self.journals.setdefault(classname, {}).setdefault(nodeid,
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parents:
diff changeset
386 []).append((nodeid, creation, creator, action, params))
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parents:
diff changeset
387
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diff changeset
388 def doSetJournal(self, classname, nodeid, journal):
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parents:
diff changeset
389 self.journals.setdefault(classname, {})[nodeid] = journal
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parents:
diff changeset
390
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parents:
diff changeset
391 def getjournal(self, classname, nodeid):
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diff changeset
392 # our journal result
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diff changeset
393 res = []
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diff changeset
394
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diff changeset
395 # add any journal entries for transactions not committed to the
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diff changeset
396 # database
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parents: 4347
diff changeset
397 for method, args in self.transactions:
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parents: 4347
diff changeset
398 if method != self.doSaveJournal:
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parents: 4347
diff changeset
399 continue
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parents: 4347
diff changeset
400 (cache_classname, cache_nodeid, cache_action, cache_params,
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parents: 4347
diff changeset
401 cache_creator, cache_creation) = args
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parents: 4347
diff changeset
402 if cache_classname == classname and cache_nodeid == nodeid:
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parents: 4347
diff changeset
403 if not cache_creator:
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parents: 4347
diff changeset
404 cache_creator = self.getuid()
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parents: 4347
diff changeset
405 if not cache_creation:
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parents: 4347
diff changeset
406 cache_creation = date.Date()
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parents: 4347
diff changeset
407 res.append((cache_nodeid, cache_creation, cache_creator,
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parents: 4347
diff changeset
408 cache_action, cache_params))
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parents: 4347
diff changeset
409 try:
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parents: 4347
diff changeset
410 res += self.journals.get(classname, {})[nodeid]
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parents: 4347
diff changeset
411 except KeyError:
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parents: 4347
diff changeset
412 if res: return res
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5317
diff changeset
413 raise IndexError(nodeid)
4349
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diff changeset
414 return res
4342
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parents:
diff changeset
415
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
416 def pack(self, pack_before):
4349
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diff changeset
417 """ Delete all journal entries except "create" before 'pack_before'.
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parents: 4347
diff changeset
418 """
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parents: 4347
diff changeset
419 pack_before = pack_before.serialise()
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diff changeset
420 for classname in self.journals:
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parents: 4347
diff changeset
421 db = self.journals[classname]
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parents: 4347
diff changeset
422 for key in db:
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diff changeset
423 # get the journal for this db entry
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diff changeset
424 l = []
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parents: 4347
diff changeset
425 last_set_entry = None
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parents: 4347
diff changeset
426 for entry in db[key]:
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parents: 4347
diff changeset
427 # unpack the entry
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parents: 4347
diff changeset
428 (nodeid, date_stamp, self.journaltag, action,
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parents: 4347
diff changeset
429 params) = entry
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parents: 4347
diff changeset
430 date_stamp = date_stamp.serialise()
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parents: 4347
diff changeset
431 # if the entry is after the pack date, _or_ the initial
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parents: 4347
diff changeset
432 # create entry, then it stays
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433 if date_stamp > pack_before or action == 'create':
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434 l.append(entry)
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435 db[key] = l
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436
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437 class Class(back_anydbm.Class):
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438 pass
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439
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440 class FileClass(back_anydbm.FileClass):
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441 def __init__(self, db, classname, **properties):
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442 if 'content' not in properties:
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443 properties['content'] = hyperdb.String(indexme='yes')
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444 if 'type' not in properties:
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445 properties['type'] = hyperdb.String()
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446 back_anydbm.Class.__init__(self, db, classname, **properties)
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447
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448 def export_files(self, dirname, nodeid):
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449 dest = self.exportFilename(dirname, nodeid)
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450 ensureParentsExist(dest)
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451 f = open(dest, 'wb')
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452 f.write(self.db.files[self.classname, nodeid, None])
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453 f.close()
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454
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455 def import_files(self, dirname, nodeid):
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456 source = self.exportFilename(dirname, nodeid)
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457 f = open(source, 'rb')
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458 self.db.files[self.classname, nodeid, None] = f.read()
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459 f.close()
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460 mime_type = None
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461 props = self.getprops()
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462 if 'type' in props:
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463 mime_type = self.get(nodeid, 'type')
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464 if not mime_type:
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465 mime_type = self.default_mime_type
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466 if props['content'].indexme:
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467 self.db.indexer.add_text((self.classname, nodeid, 'content'),
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468 self.get(nodeid, 'content'), mime_type)
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469
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470 # deviation from spec - was called ItemClass
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471 class IssueClass(Class, roundupdb.IssueClass):
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472 # Overridden methods:
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473 def __init__(self, db, classname, **properties):
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474 """The newly-created class automatically includes the "messages",
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475 "files", "nosy", and "superseder" properties. If the 'properties'
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476 dictionary attempts to specify any of these properties or a
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477 "creation" or "activity" property, a ValueError is raised.
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478 """
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479 if 'title' not in properties:
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480 properties['title'] = hyperdb.String(indexme='yes')
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481 if 'messages' not in properties:
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482 properties['messages'] = hyperdb.Multilink("msg")
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483 if 'files' not in properties:
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484 properties['files'] = hyperdb.Multilink("file")
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485 if 'nosy' not in properties:
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486 # note: journalling is turned off as it really just wastes
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487 # space. this behaviour may be overridden in an instance
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488 properties['nosy'] = hyperdb.Multilink("user", do_journal="no")
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489 if 'superseder' not in properties:
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490 properties['superseder'] = hyperdb.Multilink(classname)
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491 Class.__init__(self, db, classname, **properties)
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492
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493 # Methods to check for existence and nuke the db
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494 # We don't support multiple named databases
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495
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496 def db_exists(name):
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497 return bool(Database.memdb)
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498
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499 def db_nuke(name):
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500 Database.memdb = {}
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501
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502 # vim: set et sts=4 sw=4 :
Roundup Issue Tracker: http://roundup-tracker.org/