annotate roundup/instance.py @ 3854:f4e8dc583256

Restored subject parser regexp to the string it was before the... ...implementation of customization of it, i.e., the version from CVS revision 1.184 of mailgw.py. This makes 'testFollowupTitleMatchMultiRe' work again.
author Erik Forsberg <forsberg@users.sourceforge.net>
date Sat, 12 May 2007 16:14:54 +0000
parents 74aebbbea305
children bbab97f8ffb2
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1 #
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2 # Copyright (c) 2001 Bizar Software Pty Ltd (http://www.bizarsoftware.com.au/)
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3 # This module is free software, and you may redistribute it and/or modify
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4 # under the same terms as Python, so long as this copyright message and
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5 # disclaimer are retained in their original form.
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6 #
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7 # IN NO EVENT SHALL BIZAR SOFTWARE PTY LTD BE LIABLE TO ANY PARTY FOR
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8 # DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING
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9 # OUT OF THE USE OF THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE
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10 # POSSIBILITY OF SUCH DAMAGE.
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11 #
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12 # BIZAR SOFTWARE PTY LTD SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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13 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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14 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS"
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15 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
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16 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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17 #
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18 # $Id: instance.py,v 1.37 2006-12-11 23:36:15 richard Exp $
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19
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20 '''Tracker handling (open tracker).
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21
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22 Backwards compatibility for the old-style "imported" trackers.
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23 '''
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24 __docformat__ = 'restructuredtext'
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25
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26 import os
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27 import sys
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28 from roundup import configuration, mailgw
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29 from roundup import hyperdb, backends
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30 from roundup.cgi import client, templating
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31
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32 class Vars:
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33 def __init__(self, vars):
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34 self.__dict__.update(vars)
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35
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36 class Tracker:
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37 def __init__(self, tracker_home, optimize=0):
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38 """New-style tracker instance constructor
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39
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40 Parameters:
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41 tracker_home:
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42 tracker home directory
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43 optimize:
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44 if set, precompile html templates
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45
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46 """
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47 self.tracker_home = tracker_home
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48 self.optimize = optimize
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49 self.config = configuration.CoreConfig(tracker_home)
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50 self.cgi_actions = {}
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51 self.templating_utils = {}
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52 self.load_interfaces()
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53 self.templates = templating.Templates(self.config["TEMPLATES"])
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54 self.backend = backends.get_backend(self.get_backend_name())
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55 if self.optimize:
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56 libdir = os.path.join(self.tracker_home, 'lib')
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57 if os.path.isdir(libdir):
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58 sys.path.insert(1, libdir)
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59 self.templates.precompileTemplates()
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60 # initialize tracker extensions
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61 for extension in self.get_extensions('extensions'):
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62 extension(self)
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63 # load database schema
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64 schemafilename = os.path.join(self.tracker_home, 'schema.py')
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65 # Note: can't use built-in open()
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66 # because of the global function with the same name
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67 schemafile = file(schemafilename, 'rt')
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68 self.schema = compile(schemafile.read(), schemafilename, 'exec')
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69 schemafile.close()
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70 # load database detectors
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71 self.detectors = self.get_extensions('detectors')
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72 # db_open is set to True after first open()
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73 self.db_open = 0
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74 if libdir in sys.path:
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75 sys.path.remove(libdir)
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76
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77 def get_backend_name(self):
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78 o = __builtins__['open']
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79 f = o(os.path.join(self.tracker_home, 'db', 'backend_name'))
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80 name = f.readline().strip()
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81 f.close()
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82 return name
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83
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84 def open(self, name=None):
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85 # load the database schema
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86 # we cannot skip this part even if self.optimize is set
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87 # because the schema has security settings that must be
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88 # applied to each database instance
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89 backend = self.backend
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90 vars = {
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91 'Class': backend.Class,
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92 'FileClass': backend.FileClass,
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93 'IssueClass': backend.IssueClass,
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94 'String': hyperdb.String,
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95 'Password': hyperdb.Password,
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96 'Date': hyperdb.Date,
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97 'Link': hyperdb.Link,
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98 'Multilink': hyperdb.Multilink,
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99 'Interval': hyperdb.Interval,
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100 'Boolean': hyperdb.Boolean,
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101 'Number': hyperdb.Number,
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102 'db': backend.Database(self.config, name)
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103 }
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104
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105 if self.optimize:
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106 # execute preloaded schema object
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107 exec(self.schema, vars)
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108 # use preloaded detectors
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109 detectors = self.detectors
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110 else:
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111 libdir = os.path.join(self.tracker_home, 'lib')
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112 if os.path.isdir(libdir):
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113 sys.path.insert(1, libdir)
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114 # execute the schema file
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115 self._load_python('schema.py', vars)
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116 # reload extensions and detectors
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117 for extension in self.get_extensions('extensions'):
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118 extension(self)
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119 detectors = self.get_extensions('detectors')
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120 if libdir in sys.path:
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121 sys.path.remove(libdir)
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122 db = vars['db']
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123 # apply the detectors
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124 for detector in detectors:
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125 detector(db)
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126 # if we are running in debug mode
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127 # or this is the first time the database is opened,
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128 # do database upgrade checks
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129 if not (self.optimize and self.db_open):
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130 db.post_init()
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131 self.db_open = 1
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132 return db
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133
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134 def load_interfaces(self):
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135 """load interfaces.py (if any), initialize Client and MailGW attrs"""
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136 vars = {}
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137 if os.path.isfile(os.path.join(self.tracker_home, 'interfaces.py')):
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138 self._load_python('interfaces.py', vars)
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139 self.Client = vars.get('Client', client.Client)
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140 self.MailGW = vars.get('MailGW', mailgw.MailGW)
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141
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142 def get_extensions(self, dirname):
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143 """Load python extensions
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144
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145 Parameters:
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146 dirname:
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147 extension directory name relative to tracker home
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148
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149 Return value:
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150 list of init() functions for each extension
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151
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152 """
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153 extensions = []
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154 dirpath = os.path.join(self.tracker_home, dirname)
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155 if os.path.isdir(dirpath):
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156 sys.path.insert(1, dirpath)
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157 for name in os.listdir(dirpath):
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158 if not name.endswith('.py'):
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159 continue
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160 vars = {}
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161 self._load_python(os.path.join(dirname, name), vars)
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162 extensions.append(vars['init'])
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163 sys.path.remove(dirpath)
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164 return extensions
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165
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166 def init(self, adminpw):
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167 db = self.open('admin')
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168 self._load_python('initial_data.py', {'db': db, 'adminpw': adminpw,
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169 'admin_email': self.config['ADMIN_EMAIL']})
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170 db.commit()
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171 db.close()
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172
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173 def exists(self):
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174 return self.backend.db_exists(self.config)
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175
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176 def nuke(self):
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177 self.backend.db_nuke(self.config)
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178
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179 def _load_python(self, file, vars):
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180 file = os.path.join(self.tracker_home, file)
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181 execfile(file, vars)
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182 return vars
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183
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184 def registerAction(self, name, action):
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185 self.cgi_actions[name] = action
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186
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187 def registerUtil(self, name, function):
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188 self.templating_utils[name] = function
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189
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190 class TrackerError(Exception):
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191 pass
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192
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193
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194 class OldStyleTrackers:
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195 def __init__(self):
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196 self.number = 0
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197 self.trackers = {}
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198
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199 def open(self, tracker_home, optimize=0):
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200 """Open the tracker.
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201
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202 Parameters:
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203 tracker_home:
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204 tracker home directory
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205 optimize:
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206 if set, precompile html templates
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207
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208 Raise ValueError if the tracker home doesn't exist.
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209
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210 """
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211 import imp
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212 # sanity check existence of tracker home
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213 if not os.path.exists(tracker_home):
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214 raise ValueError, 'no such directory: "%s"'%tracker_home
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215
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216 # sanity check tracker home contents
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217 for reqd in 'config dbinit select_db interfaces'.split():
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218 if not os.path.exists(os.path.join(tracker_home, '%s.py'%reqd)):
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219 raise TrackerError, 'File "%s.py" missing from tracker '\
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220 'home "%s"'%(reqd, tracker_home)
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221
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222 if self.trackers.has_key(tracker_home):
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223 return imp.load_package(self.trackers[tracker_home],
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224 tracker_home)
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225 # register all available backend modules
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226 backends.list_backends()
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227 self.number = self.number + 1
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228 modname = '_roundup_tracker_%s'%self.number
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229 self.trackers[tracker_home] = modname
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230
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231 # load the tracker
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232 tracker = imp.load_package(modname, tracker_home)
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233
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234 # ensure the tracker has all the required bits
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235 for required in 'open init Client MailGW'.split():
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236 if not hasattr(tracker, required):
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237 raise TrackerError, \
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238 'Required tracker attribute "%s" missing'%required
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239
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240 # load and apply the config
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241 tracker.config = configuration.CoreConfig(tracker_home)
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242 tracker.dbinit.config = tracker.config
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243
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244 tracker.optimize = optimize
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245 tracker.templates = templating.Templates(tracker.config["TEMPLATES"])
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246 if optimize:
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247 tracker.templates.precompileTemplates()
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248
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249 return tracker
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250
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251 OldStyleTrackers = OldStyleTrackers()
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252 def open(tracker_home, optimize=0):
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253 if os.path.exists(os.path.join(tracker_home, 'dbinit.py')):
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254 # user should upgrade...
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255 return OldStyleTrackers.open(tracker_home, optimize=optimize)
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256
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257 return Tracker(tracker_home, optimize=optimize)
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258
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259 # vim: set filetype=python sts=4 sw=4 et si :

Roundup Issue Tracker: http://roundup-tracker.org/