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annotate roundup/test/memorydb.py @ 6747:d32d43e4a5ba

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wsgi can cache tracker instance enabled by feature flag. Patch by Marcus Priesch caches a loaded tracker instance and reuse it for future client sessions. It is enabled by a feature flag in wsgi.py since it arrived during the 2.2.0 beta period. The provided wsgi.py is modified to enable it. Testing is run with flag enabled and disabled. Ralf Schlatterbeck and Marcus tested it on one of their larger more complex trackers and it sped up the response time to a client request by a factor of 3 (270ms down to about 80-85ms).
author John Rouillard <rouilj@ieee.org>
date Sat, 02 Jul 2022 14:04:00 -0400
parents 408fd477761f
children 375d40a9e730
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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 roundupdb.Database.__init__(self)
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242
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243 # anydbm bits
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244 self.cache = {} # cache of nodes loaded or created
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245 self.dirtynodes = {} # keep track of the dirty nodes by class
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246 self.newnodes = {} # keep track of the new nodes by class
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247 self.destroyednodes = {}# keep track of the destroyed nodes by class
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248 self.transactions = []
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249 self.tx_Source = None
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250 # persistence across re-open
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251 self.items = self.__class__.memdb.get('items', {})
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252 self.ids = self.__class__.memdb.get('ids', {})
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253 self.journals = self.__class__.memdb.get('journals', {})
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254
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255 def filename(self, classname, nodeid, property=None, create=0):
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256 shutil.copyfile(__file__, __file__+'.dummy')
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257 return __file__+'.dummy'
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258
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259 def filesize(self, classname, nodeid, property=None, create=0):
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260 return len(self.getfile(classname, nodeid, property))
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261
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262 def post_init(self):
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263 super(Database, self).post_init()
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264
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265 def refresh_database(self):
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266 pass
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267
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268 def getSessionManager(self):
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269 return self.sessions
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270
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271 def getOTKManager(self):
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272 return self.otks
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273
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274 def reindex(self, classname=None, show_progress=False):
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275 pass
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276
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277 def __repr__(self):
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278 return '<memorydb instance at %x>'%id(self)
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279
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280 def storefile(self, classname, nodeid, property, content):
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diff changeset
281 if isinstance(content, str):
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282 content = s2b(content)
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283 self.tx_files[classname, nodeid, property] = content
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284 self.transactions.append((self.doStoreFile, (classname, nodeid,
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285 property)))
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286
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287 def getfile(self, classname, nodeid, property):
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288 if (classname, nodeid, property) in self.tx_files:
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289 return self.tx_files[classname, nodeid, property]
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290 return self.files[classname, nodeid, property]
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291
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292 def doStoreFile(self, classname, nodeid, property, **databases):
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293 self.files[classname, nodeid, property] = self.tx_files[classname, nodeid, property]
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294 return (classname, nodeid)
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295
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296 def rollbackStoreFile(self, classname, nodeid, property, **databases):
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297 del self.tx_files[classname, nodeid, property]
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298
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299 def numfiles(self):
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300 return len(self.files) + len(self.tx_files)
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301
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302 def close(self):
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303 self.clearCache()
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304 self.tx_files = {}
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305 # kill the schema too
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306 self.classes = {}
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307 # just keep the .items
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308 # persistence across re-open
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309 self.__class__.memdb['items'] = self.items
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310 self.__class__.memdb['ids'] = self.ids
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311 self.__class__.memdb['journals'] = self.journals
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312
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313 #
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314 # Classes
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315 #
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316 def __getattr__(self, classname):
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317 """A convenient way of calling self.getclass(classname)."""
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318 if classname in self.classes:
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319 return self.classes[classname]
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320 raise AttributeError(classname)
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321
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322 def addclass(self, cl):
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323 cn = cl.classname
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324 if cn in self.classes:
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1e53e3ad9e5c Remove translation markings. Not needed.
John Rouillard <rouilj@ieee.org>
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325 raise ValueError('Class "%s" already defined.'%cn)
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326 self.classes[cn] = cl
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327 if cn not in self.items:
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328 self.items[cn] = cldb()
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329 self.ids[cn] = 0
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330
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parents:
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331 # add default Edit and View permissions
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332 self.security.addPermission(name="Create", klass=cn,
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parents:
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333 description="User is allowed to create "+cn)
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334 self.security.addPermission(name="Edit", klass=cn,
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parents:
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335 description="User is allowed to edit "+cn)
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336 self.security.addPermission(name="View", klass=cn,
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337 description="User is allowed to access "+cn)
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338
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339 def getclasses(self):
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340 """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
341 return sorted(self.classes.keys())
4342
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342
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343 def getclass(self, classname):
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344 """Get the Class object representing a particular class.
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345
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diff changeset
346 If 'classname' is not a valid class name, a KeyError is raised.
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diff changeset
347 """
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348 try:
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349 return self.classes[classname]
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350 except KeyError:
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diff changeset
351 raise KeyError('There is no class called "%s"'%classname)
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352
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353 #
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diff changeset
354 # Class DBs
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355 #
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parents:
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356 def clear(self):
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357 self.items = {}
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358
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diff changeset
359 def getclassdb(self, classname, mode='r'):
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360 """ grab a connection to the class db that will be used for
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diff changeset
361 multiple actions
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diff changeset
362 """
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parents:
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363 return self.items[classname]
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364
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diff changeset
365 def getCachedJournalDB(self, classname):
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diff changeset
366 return self.journals.setdefault(classname, {})
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diff changeset
367
4342
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368 #
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parents:
diff changeset
369 # Node IDs
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parents:
diff changeset
370 #
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parents:
diff changeset
371 def newid(self, classname):
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parents:
diff changeset
372 self.ids[classname] += 1
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parents:
diff changeset
373 return str(self.ids[classname])
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parents: 4346
diff changeset
374 def setid(self, classname, id):
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diff changeset
375 self.ids[classname] = int(id)
4342
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parents:
diff changeset
376
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parents:
diff changeset
377 #
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parents:
diff changeset
378 # Journal
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parents:
diff changeset
379 #
4349
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diff changeset
380 def doSaveJournal(self, classname, nodeid, action, params, creator,
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diff changeset
381 creation):
4342
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parents:
diff changeset
382 if creator is None:
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parents:
diff changeset
383 creator = self.getuid()
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parents:
diff changeset
384 if creation is None:
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
385 creation = date.Date()
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parents:
diff changeset
386 self.journals.setdefault(classname, {}).setdefault(nodeid,
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parents:
diff changeset
387 []).append((nodeid, creation, creator, action, params))
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parents:
diff changeset
388
4349
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diff changeset
389 def doSetJournal(self, classname, nodeid, journal):
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parents:
diff changeset
390 self.journals.setdefault(classname, {})[nodeid] = journal
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parents:
diff changeset
391
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parents:
diff changeset
392 def getjournal(self, classname, nodeid):
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diff changeset
393 # our journal result
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diff changeset
394 res = []
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diff changeset
395
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diff changeset
396 # add any journal entries for transactions not committed to the
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diff changeset
397 # database
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diff changeset
398 for method, args in self.transactions:
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parents: 4347
diff changeset
399 if method != self.doSaveJournal:
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parents: 4347
diff changeset
400 continue
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parents: 4347
diff changeset
401 (cache_classname, cache_nodeid, cache_action, cache_params,
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parents: 4347
diff changeset
402 cache_creator, cache_creation) = args
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parents: 4347
diff changeset
403 if cache_classname == classname and cache_nodeid == nodeid:
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parents: 4347
diff changeset
404 if not cache_creator:
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parents: 4347
diff changeset
405 cache_creator = self.getuid()
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parents: 4347
diff changeset
406 if not cache_creation:
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parents: 4347
diff changeset
407 cache_creation = date.Date()
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parents: 4347
diff changeset
408 res.append((cache_nodeid, cache_creation, cache_creator,
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parents: 4347
diff changeset
409 cache_action, cache_params))
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parents: 4347
diff changeset
410 try:
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parents: 4347
diff changeset
411 res += self.journals.get(classname, {})[nodeid]
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parents: 4347
diff changeset
412 except KeyError:
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parents: 4347
diff changeset
413 if res: return res
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5317
diff changeset
414 raise IndexError(nodeid)
4349
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diff changeset
415 return res
4342
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parents:
diff changeset
416
94c992852f12 add in-memory hyperdb implementation to speed up testing
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parents:
diff changeset
417 def pack(self, pack_before):
4349
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diff changeset
418 """ Delete all journal entries except "create" before 'pack_before'.
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parents: 4347
diff changeset
419 """
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diff changeset
420 pack_before = pack_before.serialise()
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diff changeset
421 for classname in self.journals:
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parents: 4347
diff changeset
422 db = self.journals[classname]
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diff changeset
423 for key in db:
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diff changeset
424 # get the journal for this db entry
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diff changeset
425 l = []
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parents: 4347
diff changeset
426 last_set_entry = None
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parents: 4347
diff changeset
427 for entry in db[key]:
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parents: 4347
diff changeset
428 # unpack the entry
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parents: 4347
diff changeset
429 (nodeid, date_stamp, self.journaltag, action,
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parents: 4347
diff changeset
430 params) = entry
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431 date_stamp = date_stamp.serialise()
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432 # if the entry is after the pack date, _or_ the initial
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433 # create entry, then it stays
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434 if date_stamp > pack_before or action == 'create':
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435 l.append(entry)
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436 db[key] = l
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437
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438 class Class(back_anydbm.Class):
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439 pass
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440
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441 class FileClass(back_anydbm.FileClass):
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442 def __init__(self, db, classname, **properties):
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443 if 'content' not in properties:
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444 properties['content'] = hyperdb.String(indexme='yes')
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445 if 'type' not in properties:
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446 properties['type'] = hyperdb.String()
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447 back_anydbm.Class.__init__(self, db, classname, **properties)
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448
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449 def export_files(self, dirname, nodeid):
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450 dest = self.exportFilename(dirname, nodeid)
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451 ensureParentsExist(dest)
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452 f = open(dest, 'wb')
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453 f.write(self.db.files[self.classname, nodeid, None])
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454 f.close()
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455
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456 def import_files(self, dirname, nodeid):
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457 source = self.exportFilename(dirname, nodeid)
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458 f = open(source, 'rb')
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459 self.db.files[self.classname, nodeid, None] = f.read()
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460 f.close()
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461 mime_type = None
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462 props = self.getprops()
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463 if 'type' in props:
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464 mime_type = self.get(nodeid, 'type')
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465 if not mime_type:
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466 mime_type = self.default_mime_type
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467 if props['content'].indexme:
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468 self.db.indexer.add_text((self.classname, nodeid, 'content'),
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469 self.get(nodeid, 'content'), mime_type)
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470
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471 # deviation from spec - was called ItemClass
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472 class IssueClass(Class, roundupdb.IssueClass):
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473 # Overridden methods:
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474 def __init__(self, db, classname, **properties):
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475 """The newly-created class automatically includes the "messages",
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476 "files", "nosy", and "superseder" properties. If the 'properties'
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477 dictionary attempts to specify any of these properties or a
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478 "creation" or "activity" property, a ValueError is raised.
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479 """
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480 if 'title' not in properties:
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481 properties['title'] = hyperdb.String(indexme='yes')
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482 if 'messages' not in properties:
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483 properties['messages'] = hyperdb.Multilink("msg")
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484 if 'files' not in properties:
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485 properties['files'] = hyperdb.Multilink("file")
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486 if 'nosy' not in properties:
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487 # note: journalling is turned off as it really just wastes
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488 # space. this behaviour may be overridden in an instance
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489 properties['nosy'] = hyperdb.Multilink("user", do_journal="no")
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490 if 'superseder' not in properties:
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491 properties['superseder'] = hyperdb.Multilink(classname)
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492 Class.__init__(self, db, classname, **properties)
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493
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494 # Methods to check for existence and nuke the db
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495 # We don't support multiple named databases
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496
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497 def db_exists(name):
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498 return bool(Database.memdb)
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499
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500 def db_nuke(name):
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501 Database.memdb = {}
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502
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503 # vim: set et sts=4 sw=4 :
Roundup Issue Tracker: http://roundup-tracker.org/