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annotate roundup/test/memorydb.py @ 6808:375d40a9e730

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Add tests to BasicDatabase and merge implementations test/session_common.py: add new tests: * test set with bad __timestamps * test get on missing item with no default * test clear() method * test new lifetime() method everything below here was needed to get the tests to work across all db's. roundup/backends/sessions_dbm.py: make set() validate __timestamp as float. If invalid and item is new, set it to time.time(). If invalid and item exists keep original timestamp. add lifetime(key_lifetime) method. Given key_lifetime in seconds, generate a __timestamp that will be deleted after that many seconds. roundup/backends/sessions_rdbms.py: make set() behave the same as session_dbm. add lifetime method as above. roundup/backends/sessions_sqlite.py: import session_rdbms::BasicDatabase and override __init__. rather than cloning all the code. Kept a few logging and sql methods. roundup/test/memorydb.py: make get() on a missing key return KeyError make set() conform to dbm/rdbms implementations.
author John Rouillard <rouilj@ieee.org>
date Mon, 25 Jul 2022 21:21:26 -0400
parents 408fd477761f
children a4652d809ec5
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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 import time
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7
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8 from roundup import date
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9 from roundup import hyperdb
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10 from roundup import roundupdb
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11 from roundup import security
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12 from roundup import password
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13 from roundup import configuration
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14 from roundup.backends import back_anydbm
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15 from roundup.backends import indexer_dbm
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16 from roundup.backends import sessions_dbm
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17 from roundup.backends import indexer_common
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18 from roundup.support import ensureParentsExist
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19 from roundup.anypy.strings import s2b
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20 from roundup.test.tx_Source_detector import init as tx_Source_init
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21
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22 default_prefix = '../../share/roundup/templates/classic'
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23
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24 def new_config(debug=False, prefix=default_prefix):
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25 if not prefix.startswith('/'):
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26 prefix = os.path.join (os.path.dirname(__file__), prefix)
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27 config = configuration.CoreConfig()
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28 config.detectors = configuration.UserConfig(
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29 os.path.join(prefix, "detectors/config.ini"))
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30 config.ext = configuration.UserConfig(
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31 os.path.join(prefix, "extensions/config.ini"))
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32 config.DATABASE = "db"
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33 #config.logging = MockNull()
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34 # these TRACKER_WEB and MAIL_DOMAIN values are used in mailgw tests
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35 if debug:
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36 config.LOGGING_LEVEL = "DEBUG"
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37 config.MAIL_DOMAIN = "your.tracker.email.domain.example"
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38 config.TRACKER_WEB = "http://tracker.example/cgi-bin/roundup.cgi/bugs/"
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39 return config
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40
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41 def create(journaltag, create=True, debug=False, prefix=default_prefix):
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42 # "Nuke" in-memory db
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43 db_nuke('')
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44
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45 db = Database(new_config(debug), journaltag)
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46
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47 # load standard schema
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48 if not prefix.startswith('/'):
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49 prefix = os.path.join (os.path.dirname(__file__), prefix)
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50
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51 schema = os.path.join(prefix, 'schema.py')
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52 vars = hyperdb.__dict__
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53 vars['Class'] = Class
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54 vars['FileClass'] = FileClass
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55 vars['IssueClass'] = IssueClass
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56 vars['db'] = db
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57 fd = open(schema)
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58 exec(compile(fd.read(), schema, 'exec'), vars)
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59 fd.close()
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60
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61 initial_data = os.path.join(prefix, 'initial_data.py')
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62 vars = dict(db=db, admin_email='admin@test.com',
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63 adminpw=password.Password('sekrit'))
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64 fd = open(initial_data)
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65 exec(compile(fd.read(), initial_data, 'exec'), vars)
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66 fd.close()
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67
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68 # load standard detectors
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69 dirname = os.path.join(prefix, 'detectors')
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70 for fn in os.listdir(dirname):
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71 if not fn.endswith('.py'): continue
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72 vars = {}
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73 with open(os.path.join(dirname, fn)) as fd:
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74 exec(compile(fd.read(),
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75 os.path.join(dirname, fn), 'exec'), vars)
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76 vars['init'](db)
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77
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78 tx_Source_init(db)
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79
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80 '''
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81 status = Class(db, "status", name=String())
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82 status.setkey("name")
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83 priority = Class(db, "priority", name=String(), order=String())
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84 priority.setkey("name")
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85 keyword = Class(db, "keyword", name=String(), order=String())
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86 keyword.setkey("name")
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87 user = Class(db, "user", username=String(), password=Password(),
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88 assignable=Boolean(), age=Number(), roles=String(), address=String(),
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89 supervisor=Link('user'),realname=String(),alternate_addresses=String())
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90 user.setkey("username")
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91 file = FileClass(db, "file", name=String(), type=String(),
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92 comment=String(indexme="yes"), fooz=Password())
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93 file_nidx = FileClass(db, "file_nidx", content=String(indexme='no'))
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94 issue = IssueClass(db, "issue", title=String(indexme="yes"),
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95 status=Link("status"), nosy=Multilink("user"), deadline=Date(),
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96 foo=Interval(), files=Multilink("file"), assignedto=Link('user'),
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97 priority=Link('priority'), spam=Multilink('msg'),
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98 feedback=Link('msg'))
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99 stuff = Class(db, "stuff", stuff=String())
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100 session = Class(db, 'session', title=String())
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101 msg = FileClass(db, "msg", date=Date(),
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102 author=Link("user", do_journal='no'),
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103 files=Multilink('file'), inreplyto=String(),
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104 messageid=String(), summary=String(),
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105 content=String(),
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106 recipients=Multilink("user", do_journal='no')
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107 )
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108 '''
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109 if create:
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110 db.user.create(username="fred", roles='User',
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111 password=password.Password('sekrit'), address='fred@example.com')
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112
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113 db.security.addPermissionToRole('User', 'Email Access')
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114 '''
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115 db.security.addPermission(name='Register', klass='user')
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116 db.security.addPermissionToRole('User', 'Web Access')
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117 db.security.addPermissionToRole('Anonymous', 'Email Access')
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118 db.security.addPermissionToRole('Anonymous', 'Register', 'user')
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119 for cl in 'issue', 'file', 'msg', 'keyword':
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120 db.security.addPermissionToRole('User', 'View', cl)
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121 db.security.addPermissionToRole('User', 'Edit', cl)
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122 db.security.addPermissionToRole('User', 'Create', cl)
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123 for cl in 'priority', 'status':
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124 db.security.addPermissionToRole('User', 'View', cl)
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125 '''
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126 return db
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127
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128 class cldb(dict):
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129 def __init__(self, **values):
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130 super(cldb, self).__init__()
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131 for key, value in values.items():
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132 super(cldb, self).__setitem__(s2b(key), value)
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133 def __getitem__(self, key):
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134 return super(cldb, self).__getitem__(s2b(key))
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135 def __setitem__(self, key, value):
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136 return super(cldb, self).__setitem__(s2b(key), value)
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137 def __delitem__(self, key):
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138 return super(cldb, self).__delitem__(s2b(key))
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139 def __contains__(self, key):
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140 return super(cldb, self).__contains__(s2b(key))
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141 def close(self):
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142 pass
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143
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144 class BasicDatabase(dict):
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145 ''' Provide a nice encapsulation of an anydbm store.
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146
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147 Keys are id strings, values are automatically marshalled data.
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148 '''
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149 def __init__(self, **values):
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150 super(BasicDatabase, self).__init__()
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151 for k, v in values.items():
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152 super(BasicDatabase, self).__setitem__(s2b(k), v)
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153 def __getitem__(self, key):
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154 if key not in self:
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155 d = self[key] = {}
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156 return d
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157 return super(BasicDatabase, self).__getitem__(s2b(key))
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158 def __setitem__(self, key, value):
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159 return super(BasicDatabase, self).__setitem__(s2b(key), value)
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160 def __delitem__(self, key):
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161 return super(BasicDatabase, self).__delitem__(s2b(key))
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162 def __contains__(self, key):
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163 return super(BasicDatabase, self).__contains__(s2b(key))
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164 def exists(self, infoid):
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165 return infoid in self
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166 def get(self, infoid, value, default=None):
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167 if infoid not in self:
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168 raise KeyError
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169 return self[infoid].get(value, default)
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170 def getall(self, infoid):
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171 if infoid not in self:
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172 raise KeyError(infoid)
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173 return self[infoid]
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174 def set(self, infoid, **newvalues):
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175 if '__timestamp' in newvalues:
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176 try:
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177 float(newvalues['__timestamp'])
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178 except ValueError:
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179 if infoid in self:
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180 del(newvalues['__timestamp'])
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181 else:
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182 newvalues['__timestamp'] = time.time()
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183 self[infoid].update(newvalues)
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184 def list(self):
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185 return list(self.keys())
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186 def destroy(self, infoid):
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187 del self[infoid]
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188 def commit(self):
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189 pass
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190 def close(self):
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191 pass
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192 def updateTimestamp(self, sessid):
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193 pass
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194 def clean(self):
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195 pass
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196
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197 class Sessions(BasicDatabase, sessions_dbm.Sessions):
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198 name = 'sessions'
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199
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200 class OneTimeKeys(BasicDatabase, sessions_dbm.Sessions):
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201 name = 'otks'
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202
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203 class Indexer(indexer_dbm.Indexer):
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204 def __init__(self, db):
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205 indexer_common.Indexer.__init__(self, db)
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206 self.reindex = 0
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207 self.quiet = 9
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208 self.changed = 0
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209
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210 def load_index(self, reload=0, wordlist=None):
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211 # Unless reload is indicated, do not load twice
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212 if self.index_loaded() and not reload:
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213 return 0
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214 self.words = {}
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215 self.files = {'_TOP':(0,None)}
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216 self.fileids = {}
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217 self.changed = 0
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218
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219 def save_index(self):
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220 pass
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221 def force_reindex(self):
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222 # TODO I'm concerned that force_reindex may not be tested by
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223 # testForcedReindexing if the functionality can just be removed
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224 pass
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225
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226 class Database(back_anydbm.Database):
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227 """A database for storing records containing flexible data types.
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228
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229 Transaction stuff TODO:
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230
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231 - check the timestamp of the class file and nuke the cache if it's
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232 modified. Do some sort of conflict checking on the dirty stuff.
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233 - perhaps detect write collisions (related to above)?
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234 """
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235
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236 dbtype = "memorydb"
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237
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238 # Make it a little more persistent across re-open
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239 memdb = {}
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240
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241 def __init__(self, config, journaltag=None):
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242 self.config, self.journaltag = config, journaltag
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243 self.classes = {}
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244 self.files = {}
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245 self.tx_files = {}
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246 self.security = security.Security(self)
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247 self.stats = {'cache_hits': 0, 'cache_misses': 0, 'get_items': 0,
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248 'filtering': 0}
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249 self.sessions = Sessions()
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250 self.otks = OneTimeKeys()
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251 self.indexer = Indexer(self)
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252 roundupdb.Database.__init__(self)
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253
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254 # anydbm bits
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255 self.cache = {} # cache of nodes loaded or created
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256 self.dirtynodes = {} # keep track of the dirty nodes by class
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257 self.newnodes = {} # keep track of the new nodes by class
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258 self.destroyednodes = {}# keep track of the destroyed nodes by class
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259 self.transactions = []
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260 self.tx_Source = None
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261 # persistence across re-open
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262 self.items = self.__class__.memdb.get('items', {})
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263 self.ids = self.__class__.memdb.get('ids', {})
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264 self.journals = self.__class__.memdb.get('journals', {})
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265
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266 def filename(self, classname, nodeid, property=None, create=0):
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267 shutil.copyfile(__file__, __file__+'.dummy')
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268 return __file__+'.dummy'
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269
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270 def filesize(self, classname, nodeid, property=None, create=0):
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271 return len(self.getfile(classname, nodeid, property))
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272
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273 def post_init(self):
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274 super(Database, self).post_init()
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275
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276 def refresh_database(self):
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277 pass
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278
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279 def getSessionManager(self):
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280 return self.sessions
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281
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282 def getOTKManager(self):
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parents:
diff changeset
283 return self.otks
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284
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285 def reindex(self, classname=None, show_progress=False):
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286 pass
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287
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288 def __repr__(self):
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289 return '<memorydb instance at %x>'%id(self)
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290
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291 def storefile(self, classname, nodeid, property, content):
5465
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Christof Meerwald <cmeerw@cmeerw.org>
parents: 5462
diff changeset
292 if isinstance(content, str):
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parents: 5462
diff changeset
293 content = s2b(content)
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294 self.tx_files[classname, nodeid, property] = content
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diff changeset
295 self.transactions.append((self.doStoreFile, (classname, nodeid,
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diff changeset
296 property)))
4342
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297
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298 def getfile(self, classname, nodeid, property):
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299 if (classname, nodeid, property) in self.tx_files:
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300 return self.tx_files[classname, nodeid, property]
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301 return self.files[classname, nodeid, property]
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302
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303 def doStoreFile(self, classname, nodeid, property, **databases):
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304 self.files[classname, nodeid, property] = self.tx_files[classname, nodeid, property]
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diff changeset
305 return (classname, nodeid)
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306
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307 def rollbackStoreFile(self, classname, nodeid, property, **databases):
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308 del self.tx_files[classname, nodeid, property]
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309
4342
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310 def numfiles(self):
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311 return len(self.files) + len(self.tx_files)
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312
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313 def close(self):
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314 self.clearCache()
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315 self.tx_files = {}
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316 # kill the schema too
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317 self.classes = {}
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318 # just keep the .items
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319 # persistence across re-open
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320 self.__class__.memdb['items'] = self.items
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321 self.__class__.memdb['ids'] = self.ids
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diff changeset
322 self.__class__.memdb['journals'] = self.journals
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323
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324 #
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325 # Classes
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326 #
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327 def __getattr__(self, classname):
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328 """A convenient way of calling self.getclass(classname)."""
5381
0942fe89e82e Python 3 preparation: change "x.has_key(y)" to "y in x".
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
329 if classname in self.classes:
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330 return self.classes[classname]
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
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diff changeset
331 raise AttributeError(classname)
4342
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332
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333 def addclass(self, cl):
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334 cn = cl.classname
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parents: 5378
diff changeset
335 if cn in self.classes:
6243
1e53e3ad9e5c Remove translation markings. Not needed.
John Rouillard <rouilj@ieee.org>
parents: 6241
diff changeset
336 raise ValueError('Class "%s" already defined.'%cn)
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337 self.classes[cn] = cl
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diff changeset
338 if cn not in self.items:
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diff changeset
339 self.items[cn] = cldb()
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diff changeset
340 self.ids[cn] = 0
4342
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341
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parents:
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342 # add default Edit and View permissions
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parents:
diff changeset
343 self.security.addPermission(name="Create", klass=cn,
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parents:
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344 description="User is allowed to create "+cn)
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345 self.security.addPermission(name="Edit", klass=cn,
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parents:
diff changeset
346 description="User is allowed to edit "+cn)
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parents:
diff changeset
347 self.security.addPermission(name="View", klass=cn,
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parents:
diff changeset
348 description="User is allowed to access "+cn)
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parents:
diff changeset
349
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diff changeset
350 def getclasses(self):
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diff changeset
351 """Return a list of the names of all existing classes."""
5395
23b8e6067f7c Python 3 preparation: update calls to dict methods.
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parents: 5385
diff changeset
352 return sorted(self.classes.keys())
4342
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353
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diff changeset
354 def getclass(self, classname):
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parents:
diff changeset
355 """Get the Class object representing a particular class.
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parents:
diff changeset
356
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parents:
diff changeset
357 If 'classname' is not a valid class name, a KeyError is raised.
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parents:
diff changeset
358 """
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parents:
diff changeset
359 try:
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parents:
diff changeset
360 return self.classes[classname]
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parents:
diff changeset
361 except KeyError:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5317
diff changeset
362 raise KeyError('There is no class called "%s"'%classname)
4342
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parents:
diff changeset
363
94c992852f12 add in-memory hyperdb implementation to speed up testing
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parents:
diff changeset
364 #
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
365 # Class DBs
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parents:
diff changeset
366 #
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parents:
diff changeset
367 def clear(self):
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parents:
diff changeset
368 self.items = {}
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parents:
diff changeset
369
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diff changeset
370 def getclassdb(self, classname, mode='r'):
4342
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parents:
diff changeset
371 """ grab a connection to the class db that will be used for
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
372 multiple actions
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parents:
diff changeset
373 """
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parents:
diff changeset
374 return self.items[classname]
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parents:
diff changeset
375
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diff changeset
376 def getCachedJournalDB(self, classname):
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parents: 4347
diff changeset
377 return self.journals.setdefault(classname, {})
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diff changeset
378
4342
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parents:
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379 #
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parents:
diff changeset
380 # Node IDs
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parents:
diff changeset
381 #
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
382 def newid(self, classname):
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parents:
diff changeset
383 self.ids[classname] += 1
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parents:
diff changeset
384 return str(self.ids[classname])
4347
0e33bf5571dc make some more memorydb tests pass
Richard Jones <richard@users.sourceforge.net>
parents: 4346
diff changeset
385 def setid(self, classname, id):
4349
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parents: 4347
diff changeset
386 self.ids[classname] = int(id)
4342
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
387
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
388 #
94c992852f12 add in-memory hyperdb implementation to speed up testing
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parents:
diff changeset
389 # Journal
94c992852f12 add in-memory hyperdb implementation to speed up testing
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parents:
diff changeset
390 #
4349
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diff changeset
391 def doSaveJournal(self, classname, nodeid, action, params, creator,
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parents: 4347
diff changeset
392 creation):
4342
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parents:
diff changeset
393 if creator is None:
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parents:
diff changeset
394 creator = self.getuid()
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
395 if creation is None:
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
396 creation = date.Date()
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
397 self.journals.setdefault(classname, {}).setdefault(nodeid,
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
398 []).append((nodeid, creation, creator, action, params))
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
399
4349
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diff changeset
400 def doSetJournal(self, classname, nodeid, journal):
4342
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parents:
diff changeset
401 self.journals.setdefault(classname, {})[nodeid] = journal
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
402
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
403 def getjournal(self, classname, nodeid):
4349
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parents: 4347
diff changeset
404 # our journal result
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parents: 4347
diff changeset
405 res = []
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parents: 4347
diff changeset
406
f0faef4dd023 Make memorydb pass all tests;
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parents: 4347
diff changeset
407 # add any journal entries for transactions not committed to the
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parents: 4347
diff changeset
408 # database
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parents: 4347
diff changeset
409 for method, args in self.transactions:
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parents: 4347
diff changeset
410 if method != self.doSaveJournal:
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parents: 4347
diff changeset
411 continue
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parents: 4347
diff changeset
412 (cache_classname, cache_nodeid, cache_action, cache_params,
f0faef4dd023 Make memorydb pass all tests;
Richard Jones <richard@users.sourceforge.net>
parents: 4347
diff changeset
413 cache_creator, cache_creation) = args
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parents: 4347
diff changeset
414 if cache_classname == classname and cache_nodeid == nodeid:
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Richard Jones <richard@users.sourceforge.net>
parents: 4347
diff changeset
415 if not cache_creator:
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Richard Jones <richard@users.sourceforge.net>
parents: 4347
diff changeset
416 cache_creator = self.getuid()
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parents: 4347
diff changeset
417 if not cache_creation:
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Richard Jones <richard@users.sourceforge.net>
parents: 4347
diff changeset
418 cache_creation = date.Date()
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parents: 4347
diff changeset
419 res.append((cache_nodeid, cache_creation, cache_creator,
f0faef4dd023 Make memorydb pass all tests;
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parents: 4347
diff changeset
420 cache_action, cache_params))
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parents: 4347
diff changeset
421 try:
f0faef4dd023 Make memorydb pass all tests;
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parents: 4347
diff changeset
422 res += self.journals.get(classname, {})[nodeid]
f0faef4dd023 Make memorydb pass all tests;
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parents: 4347
diff changeset
423 except KeyError:
f0faef4dd023 Make memorydb pass all tests;
Richard Jones <richard@users.sourceforge.net>
parents: 4347
diff changeset
424 if res: return res
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5317
diff changeset
425 raise IndexError(nodeid)
4349
f0faef4dd023 Make memorydb pass all tests;
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parents: 4347
diff changeset
426 return res
4342
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
427
94c992852f12 add in-memory hyperdb implementation to speed up testing
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
428 def pack(self, pack_before):
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429 """ Delete all journal entries except "create" before 'pack_before'.
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430 """
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431 pack_before = pack_before.serialise()
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432 for classname in self.journals:
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433 db = self.journals[classname]
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434 for key in db:
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435 # get the journal for this db entry
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436 l = []
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437 last_set_entry = None
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438 for entry in db[key]:
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439 # unpack the entry
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440 (nodeid, date_stamp, self.journaltag, action,
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441 params) = entry
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442 date_stamp = date_stamp.serialise()
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443 # if the entry is after the pack date, _or_ the initial
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444 # create entry, then it stays
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445 if date_stamp > pack_before or action == 'create':
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446 l.append(entry)
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447 db[key] = l
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448
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449 class Class(back_anydbm.Class):
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450 pass
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451
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452 class FileClass(back_anydbm.FileClass):
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453 def __init__(self, db, classname, **properties):
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454 if 'content' not in properties:
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455 properties['content'] = hyperdb.String(indexme='yes')
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456 if 'type' not in properties:
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457 properties['type'] = hyperdb.String()
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458 back_anydbm.Class.__init__(self, db, classname, **properties)
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459
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460 def export_files(self, dirname, nodeid):
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461 dest = self.exportFilename(dirname, nodeid)
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462 ensureParentsExist(dest)
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463 f = open(dest, 'wb')
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464 f.write(self.db.files[self.classname, nodeid, None])
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465 f.close()
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466
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467 def import_files(self, dirname, nodeid):
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468 source = self.exportFilename(dirname, nodeid)
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469 f = open(source, 'rb')
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470 self.db.files[self.classname, nodeid, None] = f.read()
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471 f.close()
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472 mime_type = None
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473 props = self.getprops()
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474 if 'type' in props:
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475 mime_type = self.get(nodeid, 'type')
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476 if not mime_type:
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477 mime_type = self.default_mime_type
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478 if props['content'].indexme:
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479 self.db.indexer.add_text((self.classname, nodeid, 'content'),
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480 self.get(nodeid, 'content'), mime_type)
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481
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482 # deviation from spec - was called ItemClass
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483 class IssueClass(Class, roundupdb.IssueClass):
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484 # Overridden methods:
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485 def __init__(self, db, classname, **properties):
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486 """The newly-created class automatically includes the "messages",
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487 "files", "nosy", and "superseder" properties. If the 'properties'
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488 dictionary attempts to specify any of these properties or a
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489 "creation" or "activity" property, a ValueError is raised.
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490 """
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491 if 'title' not in properties:
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492 properties['title'] = hyperdb.String(indexme='yes')
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493 if 'messages' not in properties:
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494 properties['messages'] = hyperdb.Multilink("msg")
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495 if 'files' not in properties:
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496 properties['files'] = hyperdb.Multilink("file")
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497 if 'nosy' not in properties:
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498 # note: journalling is turned off as it really just wastes
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499 # space. this behaviour may be overridden in an instance
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500 properties['nosy'] = hyperdb.Multilink("user", do_journal="no")
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501 if 'superseder' not in properties:
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502 properties['superseder'] = hyperdb.Multilink(classname)
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503 Class.__init__(self, db, classname, **properties)
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504
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505 # Methods to check for existence and nuke the db
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506 # We don't support multiple named databases
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507
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508 def db_exists(name):
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509 return bool(Database.memdb)
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510
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511 def db_nuke(name):
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512 Database.memdb = {}
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513
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514 # vim: set et sts=4 sw=4 :
Roundup Issue Tracker: http://roundup-tracker.org/