Mercurial > p > roundup > code
annotate roundup/instance.py @ 4531:ddff9669361b
Fix matching of incoming email addresses to the alternate_addresses field...
...of a user -- this would match substrings, e.g. if the user has
discuss-support@example.com as an alternate email and an incoming mail
is addressed to support@example.com this would (wrongly) match.
Note: I *think* I've seen this discussed somewhere but couldn't find it,
neither in the tracker nor in recent discussions on the mailinglists.
So if someone remembers an issue which now should be closed, please
tell me :-)
| author | Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net> |
|---|---|
| date | Wed, 24 Aug 2011 14:43:52 +0000 |
| parents | 0fa45d39efee |
| children | 760483ce731e |
| rev | line source |
|---|---|
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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 # |
| 214 | 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 |
| 4388 | 19 """Top-level tracker interface. |
| 20 | |
| 21 Open a tracker with: | |
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22 |
| 4388 | 23 >>> from roundup import instance |
| 24 >>> db = instance.open('path to tracker home') | |
| 25 | |
| 26 The "db" handle you get back is the tracker's hyperdb which has the interface | |
| 4395 | 27 described in `roundup.hyperdb.Database`. |
| 4083 | 28 """ |
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29 __docformat__ = 'restructuredtext' |
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30 |
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31 import os |
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32 import sys |
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33 from roundup import configuration, mailgw |
| 4083 | 34 from roundup import hyperdb, backends, actions |
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35 from roundup.cgi import client, templating |
| 4083 | 36 from roundup.cgi import actions as cgi_actions |
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37 |
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38 class Vars: |
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39 def __init__(self, vars): |
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40 self.__dict__.update(vars) |
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41 |
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42 class Tracker: |
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43 def __init__(self, tracker_home, optimize=0): |
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44 """New-style tracker instance constructor |
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45 |
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46 Parameters: |
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47 tracker_home: |
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48 tracker home directory |
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49 optimize: |
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50 if set, precompile html templates |
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51 |
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52 """ |
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53 self.tracker_home = tracker_home |
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54 self.optimize = optimize |
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55 # if set, call schema_hook after executing schema.py will get |
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56 # same variables (in particular db) as schema.py main purpose is |
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57 # for regression tests |
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58 self.schema_hook = None |
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59 self.config = configuration.CoreConfig(tracker_home) |
| 4083 | 60 self.actions = {} |
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61 self.cgi_actions = {} |
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62 self.templating_utils = {} |
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63 self.load_interfaces() |
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64 self.templates = templating.Templates(self.config["TEMPLATES"]) |
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65 self.backend = backends.get_backend(self.get_backend_name()) |
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66 if self.optimize: |
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67 libdir = os.path.join(self.tracker_home, 'lib') |
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68 if os.path.isdir(libdir): |
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69 sys.path.insert(1, libdir) |
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70 self.templates.precompileTemplates() |
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71 # initialize tracker extensions |
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72 for extension in self.get_extensions('extensions'): |
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73 extension(self) |
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74 # load database schema |
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75 schemafilename = os.path.join(self.tracker_home, 'schema.py') |
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76 # Note: can't use built-in open() |
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77 # because of the global function with the same name |
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78 schemafile = file(schemafilename, 'rt') |
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79 self.schema = compile(schemafile.read(), schemafilename, 'exec') |
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80 schemafile.close() |
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81 # load database detectors |
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82 self.detectors = self.get_extensions('detectors') |
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83 # db_open is set to True after first open() |
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84 self.db_open = 0 |
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85 if libdir in sys.path: |
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86 sys.path.remove(libdir) |
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87 |
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88 def get_backend_name(self): |
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89 f = file(os.path.join(self.config.DATABASE, 'backend_name')) |
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90 name = f.readline().strip() |
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91 f.close() |
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92 return name |
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93 |
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94 def open(self, name=None): |
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95 # load the database schema |
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96 # we cannot skip this part even if self.optimize is set |
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97 # because the schema has security settings that must be |
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98 # applied to each database instance |
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99 backend = self.backend |
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100 vars = { |
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101 'Class': backend.Class, |
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102 'FileClass': backend.FileClass, |
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103 'IssueClass': backend.IssueClass, |
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104 'String': hyperdb.String, |
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105 'Password': hyperdb.Password, |
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106 'Date': hyperdb.Date, |
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107 'Link': hyperdb.Link, |
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108 'Multilink': hyperdb.Multilink, |
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109 'Interval': hyperdb.Interval, |
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110 'Boolean': hyperdb.Boolean, |
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111 'Number': hyperdb.Number, |
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112 'db': backend.Database(self.config, name) |
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113 } |
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114 |
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115 libdir = os.path.join(self.tracker_home, 'lib') |
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116 if os.path.isdir(libdir): |
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117 sys.path.insert(1, libdir) |
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118 if self.optimize: |
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119 # execute preloaded schema object |
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120 exec(self.schema, vars) |
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121 if callable (self.schema_hook): |
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122 self.schema_hook(**vars) |
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123 # use preloaded detectors |
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124 detectors = self.detectors |
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125 else: |
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126 # execute the schema file |
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127 self._load_python('schema.py', vars) |
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128 if callable (self.schema_hook): |
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129 self.schema_hook(**vars) |
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130 # reload extensions and detectors |
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131 for extension in self.get_extensions('extensions'): |
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132 extension(self) |
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133 detectors = self.get_extensions('detectors') |
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134 if libdir in sys.path: |
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135 sys.path.remove(libdir) |
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136 db = vars['db'] |
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137 # apply the detectors |
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138 for detector in detectors: |
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139 detector(db) |
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140 # if we are running in debug mode |
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141 # or this is the first time the database is opened, |
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142 # do database upgrade checks |
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143 if not (self.optimize and self.db_open): |
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144 # As a consistency check, ensure that every link property is |
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145 # pointing at a defined class. Otherwise, the schema is |
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146 # internally inconsistent. This is an important safety |
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147 # measure as it protects against an accidental schema change |
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148 # dropping a table while there are still links to the table; |
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149 # once the table has been dropped, there is no way to get it |
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150 # back, so it is important to drop it only if we are as sure |
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151 # as possible that it is no longer needed. |
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152 classes = db.getclasses() |
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153 for classname in classes: |
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154 cl = db.getclass(classname) |
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155 for propname, prop in cl.getprops().iteritems(): |
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156 if not isinstance(prop, (hyperdb.Link, |
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157 hyperdb.Multilink)): |
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158 continue |
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159 linkto = prop.classname |
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160 if linkto not in classes: |
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161 raise ValueError, \ |
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162 ("property %s.%s links to non-existent class %s" |
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163 % (classname, propname, linkto)) |
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164 |
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165 db.post_init() |
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166 self.db_open = 1 |
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167 return db |
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168 |
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169 def load_interfaces(self): |
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170 """load interfaces.py (if any), initialize Client and MailGW attrs""" |
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171 vars = {} |
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172 if os.path.isfile(os.path.join(self.tracker_home, 'interfaces.py')): |
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173 self._load_python('interfaces.py', vars) |
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174 self.Client = vars.get('Client', client.Client) |
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175 self.MailGW = vars.get('MailGW', mailgw.MailGW) |
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176 |
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177 def get_extensions(self, dirname): |
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178 """Load python extensions |
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179 |
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180 Parameters: |
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181 dirname: |
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182 extension directory name relative to tracker home |
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183 |
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184 Return value: |
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185 list of init() functions for each extension |
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186 |
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187 """ |
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188 extensions = [] |
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189 dirpath = os.path.join(self.tracker_home, dirname) |
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190 if os.path.isdir(dirpath): |
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191 sys.path.insert(1, dirpath) |
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192 for name in os.listdir(dirpath): |
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193 if not name.endswith('.py'): |
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194 continue |
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195 vars = {} |
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196 self._load_python(os.path.join(dirname, name), vars) |
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197 extensions.append(vars['init']) |
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198 sys.path.remove(dirpath) |
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199 return extensions |
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200 |
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201 def init(self, adminpw): |
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202 db = self.open('admin') |
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203 self._load_python('initial_data.py', {'db': db, 'adminpw': adminpw, |
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204 'admin_email': self.config['ADMIN_EMAIL']}) |
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205 db.commit() |
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206 db.close() |
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207 |
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208 def exists(self): |
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209 return self.backend.db_exists(self.config) |
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210 |
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211 def nuke(self): |
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212 self.backend.db_nuke(self.config) |
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213 |
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214 def _load_python(self, file, vars): |
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215 file = os.path.join(self.tracker_home, file) |
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216 execfile(file, vars) |
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217 return vars |
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218 |
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219 def registerAction(self, name, action): |
| 4083 | 220 |
| 221 # The logic here is this: | |
| 222 # * if `action` derives from actions.Action, | |
| 223 # it is executable as a generic action. | |
| 224 # * if, moreover, it also derives from cgi.actions.Bridge, | |
| 225 # it may in addition be called via CGI | |
| 226 # * in all other cases we register it as a CGI action, without | |
| 227 # any check (for backward compatibility). | |
| 228 if issubclass(action, actions.Action): | |
| 229 self.actions[name] = action | |
| 230 if issubclass(action, cgi_actions.Bridge): | |
| 231 self.cgi_actions[name] = action | |
| 232 else: | |
| 233 self.cgi_actions[name] = action | |
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234 |
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235 def registerUtil(self, name, function): |
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236 self.templating_utils[name] = function |
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237 |
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238 class TrackerError(Exception): |
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239 pass |
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240 |
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241 |
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242 class OldStyleTrackers: |
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243 def __init__(self): |
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244 self.number = 0 |
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245 self.trackers = {} |
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246 |
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247 def open(self, tracker_home, optimize=0): |
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248 """Open the tracker. |
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249 |
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250 Parameters: |
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251 tracker_home: |
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252 tracker home directory |
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253 optimize: |
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254 if set, precompile html templates |
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255 |
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256 Raise ValueError if the tracker home doesn't exist. |
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257 |
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258 """ |
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259 import imp |
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260 # sanity check existence of tracker home |
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261 if not os.path.exists(tracker_home): |
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262 raise ValueError, 'no such directory: "%s"'%tracker_home |
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263 |
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264 # sanity check tracker home contents |
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265 for reqd in 'config dbinit select_db interfaces'.split(): |
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266 if not os.path.exists(os.path.join(tracker_home, '%s.py'%reqd)): |
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267 raise TrackerError, 'File "%s.py" missing from tracker '\ |
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268 'home "%s"'%(reqd, tracker_home) |
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269 |
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270 if self.trackers.has_key(tracker_home): |
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271 return imp.load_package(self.trackers[tracker_home], |
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272 tracker_home) |
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273 # register all available backend modules |
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274 backends.list_backends() |
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275 self.number = self.number + 1 |
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276 modname = '_roundup_tracker_%s'%self.number |
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277 self.trackers[tracker_home] = modname |
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278 |
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279 # load the tracker |
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280 tracker = imp.load_package(modname, tracker_home) |
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281 |
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282 # ensure the tracker has all the required bits |
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283 for required in 'open init Client MailGW'.split(): |
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284 if not hasattr(tracker, required): |
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285 raise TrackerError, \ |
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286 'Required tracker attribute "%s" missing'%required |
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287 |
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288 # load and apply the config |
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289 tracker.config = configuration.CoreConfig(tracker_home) |
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290 tracker.dbinit.config = tracker.config |
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291 |
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292 tracker.optimize = optimize |
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293 tracker.templates = templating.Templates(tracker.config["TEMPLATES"]) |
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294 if optimize: |
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295 tracker.templates.precompileTemplates() |
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296 |
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297 return tracker |
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298 |
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299 OldStyleTrackers = OldStyleTrackers() |
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300 def open(tracker_home, optimize=0): |
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301 if os.path.exists(os.path.join(tracker_home, 'dbinit.py')): |
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302 # user should upgrade... |
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303 return OldStyleTrackers.open(tracker_home, optimize=optimize) |
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304 |
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305 return Tracker(tracker_home, optimize=optimize) |
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306 |
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307 # vim: set filetype=python sts=4 sw=4 et si : |