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annotate test/memorydb.py @ 5462:d0fd8bb64c3f

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fixed memorydb string encoding
author Christof Meerwald <cmeerw@cmeerw.org>
date Tue, 24 Jul 2018 22:41:39 +0100
parents 23b8e6067f7c
children c4f9a152258d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 '''Implement an in-memory hyperdb for testing purposes.
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2 '''
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3
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4 import shutil
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5 import os
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6
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7 from roundup import date
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8 from roundup import hyperdb
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9 from roundup import roundupdb
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10 from roundup import security
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11 from roundup import password
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12 from roundup import configuration
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13 from roundup.backends import back_anydbm
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14 from roundup.backends import indexer_dbm
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15 from roundup.backends import sessions_dbm
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16 from roundup.backends import indexer_common
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17 from roundup.support import ensureParentsExist
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18 from roundup.anypy.strings import s2b
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19
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20 def new_config(debug=False):
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21 config = configuration.CoreConfig()
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22 config.DATABASE = "db"
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23 #config.logging = MockNull()
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24 # these TRACKER_WEB and MAIL_DOMAIN values are used in mailgw tests
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25 if debug:
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26 config.LOGGING_LEVEL = "DEBUG"
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27 config.MAIL_DOMAIN = "your.tracker.email.domain.example"
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28 config.TRACKER_WEB = "http://tracker.example/cgi-bin/roundup.cgi/bugs/"
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29 return config
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30
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31 def create(journaltag, create=True, debug=False):
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32 db = Database(new_config(debug), journaltag)
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33
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34 # load standard schema
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35 schema = os.path.join(os.path.dirname(__file__),
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36 '../share/roundup/templates/classic/schema.py')
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37 vars = hyperdb.__dict__
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38 vars['Class'] = Class
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39 vars['FileClass'] = FileClass
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40 vars['IssueClass'] = IssueClass
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41 vars['db'] = db
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42 exec(compile(open(schema).read(), schema, 'exec'), vars)
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43 initial_data = os.path.join(os.path.dirname(__file__),
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44 '../share/roundup/templates/classic/initial_data.py')
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45 vars = dict(db=db, admin_email='admin@test.com',
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46 adminpw=password.Password('sekrit'))
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47 exec(compile(open(initial_data).read(), initial_data, 'exec'), vars)
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48
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49 # load standard detectors
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50 thisdir = os.path.dirname(__file__)
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51 dirname = os.path.join(thisdir,
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52 '../share/roundup/templates/classic/detectors')
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53 for fn in os.listdir(dirname):
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54 if not fn.endswith('.py'): continue
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55 vars = {}
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56 exec(compile(open(os.path.join(dirname, fn)).read(),
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57 os.path.join(dirname, fn), 'exec'), vars)
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58 vars['init'](db)
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59
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60 vars = {}
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61 exec(compile(open(os.path.join(thisdir, "tx_Source_detector.py")).read(),
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62 os.path.join(thisdir, "tx_Source_detector.py"), 'exec'), vars)
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63 vars['init'](db)
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64
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65 '''
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66 status = Class(db, "status", name=String())
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67 status.setkey("name")
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68 priority = Class(db, "priority", name=String(), order=String())
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69 priority.setkey("name")
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70 keyword = Class(db, "keyword", name=String(), order=String())
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71 keyword.setkey("name")
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72 user = Class(db, "user", username=String(), password=Password(),
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73 assignable=Boolean(), age=Number(), roles=String(), address=String(),
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74 supervisor=Link('user'),realname=String(),alternate_addresses=String())
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75 user.setkey("username")
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76 file = FileClass(db, "file", name=String(), type=String(),
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77 comment=String(indexme="yes"), fooz=Password())
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78 file_nidx = FileClass(db, "file_nidx", content=String(indexme='no'))
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79 issue = IssueClass(db, "issue", title=String(indexme="yes"),
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80 status=Link("status"), nosy=Multilink("user"), deadline=Date(),
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81 foo=Interval(), files=Multilink("file"), assignedto=Link('user'),
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82 priority=Link('priority'), spam=Multilink('msg'),
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83 feedback=Link('msg'))
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84 stuff = Class(db, "stuff", stuff=String())
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85 session = Class(db, 'session', title=String())
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86 msg = FileClass(db, "msg", date=Date(),
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87 author=Link("user", do_journal='no'),
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88 files=Multilink('file'), inreplyto=String(),
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89 messageid=String(), summary=String(),
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90 content=String(),
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91 recipients=Multilink("user", do_journal='no')
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92 )
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93 '''
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94 if create:
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95 db.user.create(username="fred", roles='User',
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96 password=password.Password('sekrit'), address='fred@example.com')
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97
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98 db.security.addPermissionToRole('User', 'Email Access')
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99 '''
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100 db.security.addPermission(name='Register', klass='user')
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101 db.security.addPermissionToRole('User', 'Web Access')
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102 db.security.addPermissionToRole('Anonymous', 'Email Access')
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103 db.security.addPermissionToRole('Anonymous', 'Register', 'user')
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104 for cl in 'issue', 'file', 'msg', 'keyword':
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105 db.security.addPermissionToRole('User', 'View', cl)
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106 db.security.addPermissionToRole('User', 'Edit', cl)
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107 db.security.addPermissionToRole('User', 'Create', cl)
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108 for cl in 'priority', 'status':
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109 db.security.addPermissionToRole('User', 'View', cl)
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110 '''
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111 return db
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112
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113 class cldb(dict):
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114 def __init__(self, **values):
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115 super(cldb, self).__init__()
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116 for key, value in values.items():
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117 super(cldb, self).__setitem__(s2b(key), value)
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118 def __getitem__(self, key):
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119 return super(cldb, self).__getitem__(s2b(key))
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120 def __setitem__(self, key, value):
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121 return super(cldb, self).__setitem__(s2b(key), value)
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122 def __delitem__(self, key):
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123 return super(cldb, self).__delitem__(s2b(key))
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124 def __contains__(self, key):
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125 return super(cldb, self).__contains__(s2b(key))
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126 def close(self):
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127 pass
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128
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129 class BasicDatabase(dict):
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130 ''' Provide a nice encapsulation of an anydbm store.
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131
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132 Keys are id strings, values are automatically marshalled data.
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133 '''
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134 def __init__(self, **values):
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135 super(BasicDatabase, self).__init__()
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136 for k, v in values.items():
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diff changeset
137 super(BasicDatabase, self).__setitem__(s2b(k), v)
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138 def __getitem__(self, key):
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139 if key not in self:
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140 d = self[key] = {}
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141 return d
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diff changeset
142 return super(BasicDatabase, self).__getitem__(s2b(key))
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diff changeset
143 def __setitem__(self, key, value):
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diff changeset
144 return super(BasicDatabase, self).__setitem__(s2b(key), value)
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145 def __delitem__(self, key):
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146 return super(BasicDatabase, self).__delitem__(s2b(key))
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147 def __contains__(self, key):
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148 return super(BasicDatabase, self).__contains__(s2b(key))
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149 def exists(self, infoid):
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150 return infoid in self
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151 def get(self, infoid, value, default=None):
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152 return self[infoid].get(value, default)
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153 def getall(self, infoid):
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diff changeset
154 if infoid not in self:
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155 raise KeyError(infoid)
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156 return self[infoid]
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157 def set(self, infoid, **newvalues):
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158 self[infoid].update(newvalues)
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159 def list(self):
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160 return list(self.keys())
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161 def destroy(self, infoid):
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162 del self[infoid]
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163 def commit(self):
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164 pass
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165 def close(self):
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166 pass
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167 def updateTimestamp(self, sessid):
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168 pass
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169 def clean(self):
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170 pass
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171
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172 class Sessions(BasicDatabase, sessions_dbm.Sessions):
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173 name = 'sessions'
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174
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175 class OneTimeKeys(BasicDatabase, sessions_dbm.Sessions):
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176 name = 'otks'
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177
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178 class Indexer(indexer_dbm.Indexer):
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179 def __init__(self, db):
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180 indexer_common.Indexer.__init__(self, db)
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181 self.reindex = 0
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182 self.quiet = 9
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183 self.changed = 0
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184
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185 def load_index(self, reload=0, wordlist=None):
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186 # Unless reload is indicated, do not load twice
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187 if self.index_loaded() and not reload:
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188 return 0
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189 self.words = {}
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190 self.files = {'_TOP':(0,None)}
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191 self.fileids = {}
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192 self.changed = 0
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193
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194 def save_index(self):
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195 pass
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196 def force_reindex(self):
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197 # TODO I'm concerned that force_reindex may not be tested by
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198 # testForcedReindexing if the functionality can just be removed
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199 pass
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200
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201 class Database(back_anydbm.Database):
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202 """A database for storing records containing flexible data types.
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203
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204 Transaction stuff TODO:
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205
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206 - check the timestamp of the class file and nuke the cache if it's
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207 modified. Do some sort of conflict checking on the dirty stuff.
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208 - perhaps detect write collisions (related to above)?
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209 """
5317
c0cda00af479 Fix tests for memorydb and anydbm backends
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210
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diff changeset
211 dbtype = "memorydb"
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212
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213 def __init__(self, config, journaltag=None):
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214 self.config, self.journaltag = config, journaltag
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215 self.classes = {}
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216 self.items = {}
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217 self.ids = {}
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218 self.journals = {}
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219 self.files = {}
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diff changeset
220 self.tx_files = {}
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221 self.security = security.Security(self)
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diff changeset
222 self.stats = {'cache_hits': 0, 'cache_misses': 0, 'get_items': 0,
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diff changeset
223 'filtering': 0}
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224 self.sessions = Sessions()
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225 self.otks = OneTimeKeys()
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226 self.indexer = Indexer(self)
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227
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228 # anydbm bits
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229 self.cache = {} # cache of nodes loaded or created
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230 self.dirtynodes = {} # keep track of the dirty nodes by class
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diff changeset
231 self.newnodes = {} # keep track of the new nodes by class
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diff changeset
232 self.destroyednodes = {}# keep track of the destroyed nodes by class
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diff changeset
233 self.transactions = []
4781
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diff changeset
234 self.tx_Source = None
4342
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235
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diff changeset
236 def filename(self, classname, nodeid, property=None, create=0):
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diff changeset
237 shutil.copyfile(__file__, __file__+'.dummy')
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238 return __file__+'.dummy'
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239
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diff changeset
240 def filesize(self, classname, nodeid, property=None, create=0):
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diff changeset
241 return len(self.getfile(classname, nodeid, property))
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diff changeset
242
4342
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diff changeset
243 def post_init(self):
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244 pass
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diff changeset
245
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diff changeset
246 def refresh_database(self):
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247 pass
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248
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249 def getSessionManager(self):
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250 return self.sessions
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251
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diff changeset
252 def getOTKManager(self):
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253 return self.otks
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254
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255 def reindex(self, classname=None, show_progress=False):
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256 pass
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257
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diff changeset
258 def __repr__(self):
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259 return '<memorydb instance at %x>'%id(self)
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260
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diff changeset
261 def storefile(self, classname, nodeid, property, content):
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diff changeset
262 self.tx_files[classname, nodeid, property] = content
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diff changeset
263 self.transactions.append((self.doStoreFile, (classname, nodeid,
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diff changeset
264 property)))
4342
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265
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diff changeset
266 def getfile(self, classname, nodeid, property):
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diff changeset
267 if (classname, nodeid, property) in self.tx_files:
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diff changeset
268 return self.tx_files[classname, nodeid, property]
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269 return self.files[classname, nodeid, property]
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diff changeset
270
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271 def doStoreFile(self, classname, nodeid, property, **databases):
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272 self.files[classname, nodeid, property] = self.tx_files[classname, nodeid, property]
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diff changeset
273 return (classname, nodeid)
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274
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275 def rollbackStoreFile(self, classname, nodeid, property, **databases):
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diff changeset
276 del self.tx_files[classname, nodeid, property]
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diff changeset
277
4342
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278 def numfiles(self):
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diff changeset
279 return len(self.files) + len(self.tx_files)
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diff changeset
280
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281 def close(self):
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diff changeset
282 self.clearCache()
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283 self.tx_files = {}
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284 # kill the schema too
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285 self.classes = {}
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286 # just keep the .items
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287
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288 #
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289 # Classes
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290 #
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291 def __getattr__(self, classname):
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292 """A convenient way of calling self.getclass(classname)."""
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293 if classname in self.classes:
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294 return self.classes[classname]
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295 raise AttributeError(classname)
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296
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297 def addclass(self, cl):
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298 cn = cl.classname
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299 if cn in self.classes:
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300 raise ValueError(cn)
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301 self.classes[cn] = cl
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302 if cn not in self.items:
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303 self.items[cn] = cldb()
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304 self.ids[cn] = 0
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305
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306 # add default Edit and View permissions
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307 self.security.addPermission(name="Create", klass=cn,
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308 description="User is allowed to create "+cn)
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309 self.security.addPermission(name="Edit", klass=cn,
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310 description="User is allowed to edit "+cn)
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311 self.security.addPermission(name="View", klass=cn,
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312 description="User is allowed to access "+cn)
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313
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314 def getclasses(self):
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315 """Return a list of the names of all existing classes."""
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316 return sorted(self.classes.keys())
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317
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318 def getclass(self, classname):
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319 """Get the Class object representing a particular class.
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320
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321 If 'classname' is not a valid class name, a KeyError is raised.
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322 """
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323 try:
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324 return self.classes[classname]
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325 except KeyError:
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326 raise KeyError('There is no class called "%s"'%classname)
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327
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328 #
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329 # Class DBs
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330 #
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331 def clear(self):
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332 self.items = {}
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333
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334 def getclassdb(self, classname, mode='r'):
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335 """ grab a connection to the class db that will be used for
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336 multiple actions
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337 """
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338 return self.items[classname]
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339
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340 def getCachedJournalDB(self, classname):
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341 return self.journals.setdefault(classname, {})
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342
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343 #
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344 # Node IDs
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345 #
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346 def newid(self, classname):
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347 self.ids[classname] += 1
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348 return str(self.ids[classname])
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349 def setid(self, classname, id):
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350 self.ids[classname] = int(id)
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351
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352 #
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353 # Journal
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354 #
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355 def doSaveJournal(self, classname, nodeid, action, params, creator,
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356 creation):
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357 if creator is None:
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358 creator = self.getuid()
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359 if creation is None:
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360 creation = date.Date()
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361 self.journals.setdefault(classname, {}).setdefault(nodeid,
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362 []).append((nodeid, creation, creator, action, params))
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363
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364 def doSetJournal(self, classname, nodeid, journal):
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365 self.journals.setdefault(classname, {})[nodeid] = journal
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366
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367 def getjournal(self, classname, nodeid):
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368 # our journal result
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369 res = []
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370
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371 # add any journal entries for transactions not committed to the
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diff changeset
372 # database
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373 for method, args in self.transactions:
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374 if method != self.doSaveJournal:
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375 continue
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376 (cache_classname, cache_nodeid, cache_action, cache_params,
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diff changeset
377 cache_creator, cache_creation) = args
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378 if cache_classname == classname and cache_nodeid == nodeid:
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379 if not cache_creator:
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380 cache_creator = self.getuid()
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381 if not cache_creation:
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382 cache_creation = date.Date()
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383 res.append((cache_nodeid, cache_creation, cache_creator,
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384 cache_action, cache_params))
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385 try:
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386 res += self.journals.get(classname, {})[nodeid]
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387 except KeyError:
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388 if res: return res
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389 raise IndexError(nodeid)
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390 return res
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391
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392 def pack(self, pack_before):
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393 """ Delete all journal entries except "create" before 'pack_before'.
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394 """
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395 pack_before = pack_before.serialise()
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396 for classname in self.journals:
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397 db = self.journals[classname]
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398 for key in db:
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399 # get the journal for this db entry
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400 l = []
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diff changeset
401 last_set_entry = None
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402 for entry in db[key]:
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diff changeset
403 # unpack the entry
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diff changeset
404 (nodeid, date_stamp, self.journaltag, action,
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diff changeset
405 params) = entry
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diff changeset
406 date_stamp = date_stamp.serialise()
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diff changeset
407 # if the entry is after the pack date, _or_ the initial
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diff changeset
408 # create entry, then it stays
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diff changeset
409 if date_stamp > pack_before or action == 'create':
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diff changeset
410 l.append(entry)
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diff changeset
411 db[key] = l
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diff changeset
412
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diff changeset
413 class Class(back_anydbm.Class):
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diff changeset
414 pass
4342
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415
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diff changeset
416 class FileClass(back_anydbm.FileClass):
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diff changeset
417 def __init__(self, db, classname, **properties):
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diff changeset
418 if 'content' not in properties:
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419 properties['content'] = hyperdb.String(indexme='yes')
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diff changeset
420 if 'type' not in properties:
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diff changeset
421 properties['type'] = hyperdb.String()
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diff changeset
422 back_anydbm.Class.__init__(self, db, classname, **properties)
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diff changeset
423
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diff changeset
424 def export_files(self, dirname, nodeid):
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diff changeset
425 dest = self.exportFilename(dirname, nodeid)
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diff changeset
426 ensureParentsExist(dest)
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diff changeset
427 f = open(dest, 'wb')
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diff changeset
428 f.write(self.db.files[self.classname, nodeid, None])
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diff changeset
429 f.close()
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diff changeset
430
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diff changeset
431 def import_files(self, dirname, nodeid):
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432 source = self.exportFilename(dirname, nodeid)
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433 f = open(source, 'rb')
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434 self.db.files[self.classname, nodeid, None] = f.read()
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435 f.close()
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436 mime_type = None
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437 props = self.getprops()
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438 if 'type' in props:
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439 mime_type = self.get(nodeid, 'type')
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440 if not mime_type:
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441 mime_type = self.default_mime_type
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442 if props['content'].indexme:
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443 self.db.indexer.add_text((self.classname, nodeid, 'content'),
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444 self.get(nodeid, 'content'), mime_type)
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445
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446 # deviation from spec - was called ItemClass
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447 class IssueClass(Class, roundupdb.IssueClass):
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448 # Overridden methods:
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449 def __init__(self, db, classname, **properties):
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450 """The newly-created class automatically includes the "messages",
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451 "files", "nosy", and "superseder" properties. If the 'properties'
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452 dictionary attempts to specify any of these properties or a
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453 "creation" or "activity" property, a ValueError is raised.
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454 """
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455 if 'title' not in properties:
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456 properties['title'] = hyperdb.String(indexme='yes')
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457 if 'messages' not in properties:
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458 properties['messages'] = hyperdb.Multilink("msg")
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459 if 'files' not in properties:
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460 properties['files'] = hyperdb.Multilink("file")
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461 if 'nosy' not in properties:
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462 # note: journalling is turned off as it really just wastes
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463 # space. this behaviour may be overridden in an instance
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464 properties['nosy'] = hyperdb.Multilink("user", do_journal="no")
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465 if 'superseder' not in properties:
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466 properties['superseder'] = hyperdb.Multilink(classname)
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467 Class.__init__(self, db, classname, **properties)
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468
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469 # vim: set et sts=4 sw=4 :
Roundup Issue Tracker: http://roundup-tracker.org/