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annotate roundup/instance.py @ 2806:845e87d5e3ba

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translator objects now have the following search path: - selected locale messages in the tracker locale dir - selected locale messages in the system locale dir - english messages in the tracker locale dir - english messages in the system locale dir automatically compile .mo files if needed (found .po file and .mo is missing or .po mtime is greater that .mo mtime) removed support for python < 2.0. gettext module is now required. get_translation: removed 'domain' argument, added 'tracker_home' argument
author Alexander Smishlajev <a1s@users.sourceforge.net>
date Sat, 23 Oct 2004 14:03:34 +0000
parents 7f1e17aeca1b
children 473d2323bc9d
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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 1.25 2004-10-20 05:28:51 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 from roundup import configuration, mailgw, rlog
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28 from roundup import hyperdb, backends
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29 from roundup.cgi import client
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30
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31 class Vars:
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32 def __init__(self, vars):
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33 self.__dict__.update(vars)
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34
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35 class Tracker:
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36 def __init__(self, tracker_home):
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37 self.tracker_home = tracker_home
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38 self.config = configuration.CoreConfig(tracker_home)
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39 self.cgi_actions = {}
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40 self.templating_utils = {}
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41
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42 def get_backend_name(self):
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43 o = __builtins__['open']
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44 f = o(os.path.join(self.tracker_home, 'db', 'backend_name'))
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45 name = f.readline().strip()
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46 f.close()
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47 return name
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48
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49 def get_backend(self):
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50 name = self.get_backend_name()
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51 return getattr(backends, name)
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52
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53 def open(self, name=None):
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54 backend = self.get_backend()
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55 vars = {
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56 'Class': backend.Class,
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57 'FileClass': backend.FileClass,
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58 'IssueClass': backend.IssueClass,
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59 'String': hyperdb.String,
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60 'Password': hyperdb.Password,
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61 'Date': hyperdb.Date,
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62 'Link': hyperdb.Link,
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63 'Multilink': hyperdb.Multilink,
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64 'Interval': hyperdb.Interval,
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65 'Boolean': hyperdb.Boolean,
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66 'Number': hyperdb.Number,
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67 'db': backend.Database(self.config, name)
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68 }
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69 self._load_python('schema.py', vars)
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70 db = vars['db']
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71
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72 self.load_interfaces()
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73 self.load_extensions(db, 'detectors')
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74 self.load_extensions(self, 'extensions')
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75
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76 db.post_init()
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77 return db
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78
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79 def load_interfaces(self):
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80 """load interfaces.py (if any), initialize Client and MailGW attrs"""
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81 vars = {}
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82 if os.path.isfile(os.path.join(self.tracker_home, 'interfaces.py')):
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83 self._load_python('interfaces.py', vars)
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84 self.Client = vars.get('Client', client.Client)
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85 self.MailGW = vars.get('MailGW', mailgw.MailGW)
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86
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87 def load_extensions(self, parent, dirname):
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88 dirpath = os.path.join(self.tracker_home, dirname)
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89 if os.path.isdir(dirpath):
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90 for name in os.listdir(dirpath):
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91 if not name.endswith('.py'):
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92 continue
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93 vars = {}
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94 self._load_python(os.path.join(dirname, name), vars)
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95 vars['init'](parent)
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96
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97 def init(self, adminpw):
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98 db = self.open('admin')
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99 self._load_python('initial_data.py', {'db': db, 'adminpw': adminpw,
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100 'admin_email': self.config['ADMIN_EMAIL']})
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101 db.commit()
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102 db.close()
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103
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104 def exists(self):
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105 backend = self.get_backend()
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106 return backend.db_exists(self.config)
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107
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108 def nuke(self):
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109 backend = self.get_backend()
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110 backend.db_nuke(self.config)
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111
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112 def _load_python(self, file, vars):
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113 file = os.path.join(self.tracker_home, file)
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114 execfile(file, vars)
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115 return vars
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116
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117 def registerAction(self, name, action):
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118 self.cgi_actions[name] = action
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119
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120 def registerUtil(self, name, function):
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121 self.templating_utils[name] = function
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122
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123 class TrackerError(Exception):
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124 pass
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125
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126
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127 class OldStyleTrackers:
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128 def __init__(self):
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129 self.number = 0
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130 self.trackers = {}
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131
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132 def open(self, tracker_home):
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133 ''' Open the tracker.
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134
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135 Raise ValueError if the tracker home doesn't exist.
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136 '''
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137 import imp
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138 # sanity check existence of tracker home
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139 if not os.path.exists(tracker_home):
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140 raise ValueError, 'no such directory: "%s"'%tracker_home
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141
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142 # sanity check tracker home contents
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143 for reqd in 'config dbinit select_db interfaces'.split():
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144 if not os.path.exists(os.path.join(tracker_home, '%s.py'%reqd)):
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145 raise TrackerError, 'File "%s.py" missing from tracker '\
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146 'home "%s"'%(reqd, tracker_home)
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147
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148 if self.trackers.has_key(tracker_home):
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149 return imp.load_package(self.trackers[tracker_home],
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150 tracker_home)
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151 self.number = self.number + 1
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152 modname = '_roundup_tracker_%s'%self.number
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153 self.trackers[tracker_home] = modname
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154
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155 # load the tracker
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156 tracker = imp.load_package(modname, tracker_home)
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157
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158 # ensure the tracker has all the required bits
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159 for required in 'open init Client MailGW'.split():
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160 if not hasattr(tracker, required):
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161 raise TrackerError, \
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162 'Required tracker attribute "%s" missing'%required
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163
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164 # load and apply the config
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165 tracker.config = configuration.CoreConfig(tracker_home)
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166 # FIXME! dbinit does "import config".
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167 # What would be the upgrade plan for existing trackers?
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168 tracker.dbinit.config = tracker.config
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169
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170 return tracker
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171
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172 OldStyleTrackers = OldStyleTrackers()
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173 def open(tracker_home):
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174 if os.path.exists(os.path.join(tracker_home, 'dbinit.py')):
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175 # user should upgrade...
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176 return OldStyleTrackers.open(tracker_home)
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177
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178 return Tracker(tracker_home)
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179
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180 # vim: set filetype=python sts=4 sw=4 et si :
Roundup Issue Tracker: http://roundup-tracker.org/