Mercurial > p > roundup > code

annotate roundup/instance.py @ 2872:d530b68e4b42

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don't index common words [SF#1046612]
author Richard Jones <richard@users.sourceforge.net>
date Fri, 05 Nov 2004 05:10:07 +0000
parents adec352e2ce0
children 938915fbcb49
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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 1.28 2004-11-03 01:34:21 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, templating
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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, optimize=0):
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37 """New-style tracker instance constructor
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38
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39 Parameters:
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40 tracker_home:
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41 tracker home directory
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42 optimize:
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43 if set, precompile html templates
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44
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45 """
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46 self.tracker_home = tracker_home
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47 self.optimize = optimize
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48 self.config = configuration.CoreConfig(tracker_home)
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49 self.cgi_actions = {}
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50 self.templating_utils = {}
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51 self.load_interfaces()
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52 self.templates = templating.Templates(self.config["TEMPLATES"])
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53 if self.optimize:
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54 self.templates.precompileTemplates()
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55
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56 def get_backend_name(self):
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57 o = __builtins__['open']
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58 f = o(os.path.join(self.tracker_home, 'db', 'backend_name'))
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59 name = f.readline().strip()
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60 f.close()
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61 return name
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62
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63 def get_backend(self):
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64 return backends.get_backend(self.get_backend_name())
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65
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66 def open(self, name=None):
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67 backend = self.get_backend()
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68 vars = {
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69 'Class': backend.Class,
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70 'FileClass': backend.FileClass,
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71 'IssueClass': backend.IssueClass,
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72 'String': hyperdb.String,
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73 'Password': hyperdb.Password,
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74 'Date': hyperdb.Date,
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75 'Link': hyperdb.Link,
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76 'Multilink': hyperdb.Multilink,
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77 'Interval': hyperdb.Interval,
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78 'Boolean': hyperdb.Boolean,
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79 'Number': hyperdb.Number,
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80 'db': backend.Database(self.config, name)
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81 }
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82 self._load_python('schema.py', vars)
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83 db = vars['db']
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84
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85 self.load_extensions(db, 'detectors')
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86 self.load_extensions(self, 'extensions')
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87
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88 db.post_init()
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89 return db
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90
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91 def load_interfaces(self):
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92 """load interfaces.py (if any), initialize Client and MailGW attrs"""
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93 vars = {}
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94 if os.path.isfile(os.path.join(self.tracker_home, 'interfaces.py')):
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95 self._load_python('interfaces.py', vars)
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96 self.Client = vars.get('Client', client.Client)
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97 self.MailGW = vars.get('MailGW', mailgw.MailGW)
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98
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99 def load_extensions(self, parent, dirname):
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100 dirpath = os.path.join(self.tracker_home, dirname)
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101 if os.path.isdir(dirpath):
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102 for name in os.listdir(dirpath):
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103 if not name.endswith('.py'):
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104 continue
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105 vars = {}
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106 self._load_python(os.path.join(dirname, name), vars)
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107 vars['init'](parent)
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108
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109 def init(self, adminpw):
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110 db = self.open('admin')
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111 self._load_python('initial_data.py', {'db': db, 'adminpw': adminpw,
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112 'admin_email': self.config['ADMIN_EMAIL']})
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113 db.commit()
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114 db.close()
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115
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116 def exists(self):
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117 backend = self.get_backend()
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118 return backend.db_exists(self.config)
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119
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120 def nuke(self):
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121 backend = self.get_backend()
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122 backend.db_nuke(self.config)
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123
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124 def _load_python(self, file, vars):
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125 file = os.path.join(self.tracker_home, file)
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126 execfile(file, vars)
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127 return vars
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128
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129 def registerAction(self, name, action):
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130 self.cgi_actions[name] = action
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131
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132 def registerUtil(self, name, function):
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133 self.templating_utils[name] = function
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134
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135 class TrackerError(Exception):
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136 pass
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137
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138
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139 class OldStyleTrackers:
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140 def __init__(self):
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141 self.number = 0
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142 self.trackers = {}
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143
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144 def open(self, tracker_home, optimize=0):
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145 """Open the tracker.
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146
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147 Parameters:
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148 tracker_home:
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149 tracker home directory
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150 optimize:
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151 if set, precompile html templates
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152
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153 Raise ValueError if the tracker home doesn't exist.
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154
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155 """
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156 import imp
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157 # sanity check existence of tracker home
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158 if not os.path.exists(tracker_home):
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159 raise ValueError, 'no such directory: "%s"'%tracker_home
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160
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161 # sanity check tracker home contents
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162 for reqd in 'config dbinit select_db interfaces'.split():
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163 if not os.path.exists(os.path.join(tracker_home, '%s.py'%reqd)):
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164 raise TrackerError, 'File "%s.py" missing from tracker '\
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165 'home "%s"'%(reqd, tracker_home)
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166
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167 if self.trackers.has_key(tracker_home):
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168 return imp.load_package(self.trackers[tracker_home],
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169 tracker_home)
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170 self.number = self.number + 1
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171 modname = '_roundup_tracker_%s'%self.number
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172 self.trackers[tracker_home] = modname
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173
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174 # load the tracker
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175 tracker = imp.load_package(modname, tracker_home)
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176
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177 # ensure the tracker has all the required bits
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178 for required in 'open init Client MailGW'.split():
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179 if not hasattr(tracker, required):
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180 raise TrackerError, \
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181 'Required tracker attribute "%s" missing'%required
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182
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183 # load and apply the config
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184 tracker.config = configuration.CoreConfig(tracker_home)
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185 # FIXME! dbinit does "import config".
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186 # What would be the upgrade plan for existing trackers?
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187 tracker.dbinit.config = tracker.config
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188
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189 tracker.optimize = optimize
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190 tracker.templates = templating.Templates(tracker.config["TEMPLATES"])
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191 if optimize:
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192 tracker.templates.precompileTemplates()
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193
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194 return tracker
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195
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196 OldStyleTrackers = OldStyleTrackers()
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197 def open(tracker_home, optimize=0):
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198 if os.path.exists(os.path.join(tracker_home, 'dbinit.py')):
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199 # user should upgrade...
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200 return OldStyleTrackers.open(tracker_home, optimize=optimize)
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201
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202 return Tracker(tracker_home, optimize=optimize)
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203
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204 # vim: set filetype=python sts=4 sw=4 et si :
Roundup Issue Tracker: http://roundup-tracker.org/