Mercurial > kallithea

annotate rhodecode/model/scm.py @ 1039:51b70569c330 beta

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extended admin rescan to show what repositories was added and what removed fixed found bugs, added expunge to cached getter since it introduce some more problems. Added some relationship to properly clean related objects from database.
author Marcin Kuzminski <marcin@python-works.com>
date Sun, 13 Feb 2011 01:38:39 +0100
parents 5554aa9c2480
children ab0a2b69d082
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # -*- coding: utf-8 -*-
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2 """
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3 rhodecode.model.scm
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4 ~~~~~~~~~~~~~~~~~~~
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5
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6 Scm model for RhodeCode
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7
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8 :created_on: Apr 9, 2010
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9 :author: marcink
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10 :copyright: (C) 2009-2011 Marcin Kuzminski <marcin@python-works.com>
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11 :license: GPLv3, see COPYING for more details.
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12 """
252
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13 # This program is free software; you can redistribute it and/or
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14 # modify it under the terms of the GNU General Public License
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15 # as published by the Free Software Foundation; version 2
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16 # of the License or (at your opinion) any later version of the license.
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17 #
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18 # This program is distributed in the hope that it will be useful,
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19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 # GNU General Public License for more details.
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22 #
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23 # You should have received a copy of the GNU General Public License
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24 # along with this program; if not, write to the Free Software
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25 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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26 # MA 02110-1301, USA.
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27 import os
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28 import time
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29 import traceback
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30 import logging
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31
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32 from mercurial import ui
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33
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34 from sqlalchemy.exc import DatabaseError
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35
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36 from beaker.cache import cache_region, region_invalidate
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37
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38 from vcs import get_backend
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39 from vcs.utils.helpers import get_scm
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40 from vcs.exceptions import RepositoryError, VCSError
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41 from vcs.utils.lazy import LazyProperty
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42
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43 from rhodecode import BACKENDS
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44 from rhodecode.lib import helpers as h
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45 from rhodecode.lib.auth import HasRepoPermissionAny
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46 from rhodecode.lib.utils import get_repos as get_filesystem_repos, make_ui, \
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47 action_logger
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48 from rhodecode.model import BaseModel
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49 from rhodecode.model.user import UserModel
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50 from rhodecode.model.repo import RepoModel
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51 from rhodecode.model.db import Repository, RhodeCodeUi, CacheInvalidation, \
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52 UserFollowing, UserLog
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53 from rhodecode.model.caching_query import FromCache
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54
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55 log = logging.getLogger(__name__)
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56
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57
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58 class UserTemp(object):
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59 def __init__(self, user_id):
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60 self.user_id = user_id
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61
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62 def __repr__(self):
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63 return "<%s('id:%s')>" % (self.__class__.__name__, self.user_id)
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64
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65 class RepoTemp(object):
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66 def __init__(self, repo_id):
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67 self.repo_id = repo_id
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69 def __repr__(self):
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70 return "<%s('id:%s')>" % (self.__class__.__name__, self.repo_id)
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71
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72 class ScmModel(BaseModel):
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73 """Generic Scm Model
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74 """
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75
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76 @LazyProperty
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77 def repos_path(self):
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78 """Get's the repositories root path from database
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79 """
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80
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81 q = self.sa.query(RhodeCodeUi).filter(RhodeCodeUi.ui_key == '/').one()
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82
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83 return q.ui_value
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84
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85 def repo_scan(self, repos_path=None):
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86 """Listing of repositories in given path. This path should not be a
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87 repository itself. Return a dictionary of repository objects
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89 :param repos_path: path to directory containing repositories
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90 """
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91
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92 log.info('scanning for repositories in %s', repos_path)
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93
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94 if repos_path is None:
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95 repos_path = self.repos_path
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96
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97 baseui = make_ui('db')
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98 repos_list = {}
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99
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100 for name, path in get_filesystem_repos(repos_path, recursive=True):
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101 try:
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102 if repos_list.has_key(name):
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103 raise RepositoryError('Duplicate repository name %s '
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104 'found in %s' % (name, path))
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105 else:
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106
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107 klass = get_backend(path[0])
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108
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109 if path[0] == 'hg' and path[0] in BACKENDS.keys():
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110 repos_list[name] = klass(path[1], baseui=baseui)
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111
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112 if path[0] == 'git' and path[0] in BACKENDS.keys():
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113 repos_list[name] = klass(path[1])
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114 except OSError:
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115 continue
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116
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117 return repos_list
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118
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119 def get_repos(self, all_repos=None):
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120 """Get all repos from db and for each repo create it's backend instance.
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121 and fill that backed with information from database
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122
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123 :param all_repos: give specific repositories list, good for filtering
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124 """
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125
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126 if all_repos is None:
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127 all_repos = self.sa.query(Repository)\
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128 .order_by(Repository.repo_name).all()
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129
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130 #get the repositories that should be invalidated
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131 invalidation_list = [str(x.cache_key) for x in \
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132 self.sa.query(CacheInvalidation.cache_key)\
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133 .filter(CacheInvalidation.cache_active == False)\
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134 .all()]
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135
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136 for r in all_repos:
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137
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138 repo, dbrepo = self.get(r.repo_name, invalidation_list)
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139
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140 if repo is not None:
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141 last_change = repo.last_change
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142 tip = h.get_changeset_safe(repo, 'tip')
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143
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144 tmp_d = {}
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145 tmp_d['name'] = r.repo_name
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146 tmp_d['name_sort'] = tmp_d['name'].lower()
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147 tmp_d['description'] = dbrepo.description
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148 tmp_d['description_sort'] = tmp_d['description']
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149 tmp_d['last_change'] = last_change
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150 tmp_d['last_change_sort'] = time.mktime(last_change.timetuple())
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151 tmp_d['tip'] = tip.raw_id
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152 tmp_d['tip_sort'] = tip.revision
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153 tmp_d['rev'] = tip.revision
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154 tmp_d['contact'] = dbrepo.user.full_contact
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155 tmp_d['contact_sort'] = tmp_d['contact']
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156 tmp_d['owner_sort'] = tmp_d['contact']
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157 tmp_d['repo_archives'] = list(repo._get_archives())
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158 tmp_d['last_msg'] = tip.message
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159 tmp_d['repo'] = repo
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160 tmp_d['dbrepo'] = dbrepo
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161 yield tmp_d
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162
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163 def get(self, repo_name, invalidation_list=None, retval='all'):
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164 """Returns a tuple of Repository,DbRepository,
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165 Get's repository from given name, creates BackendInstance and
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166 propagates it's data from database with all additional information
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167
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168 :param repo_name:
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169 :param invalidation_list: if a invalidation list is given the get
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170 method should not manually check if this repository needs
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171 invalidation and just invalidate the repositories in list
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172 :param retval: string specifing what to return one of 'repo','dbrepo',
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173 'all'if repo or dbrepo is given it'll just lazy load chosen type
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174 and return None as the second
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175 """
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176 if not HasRepoPermissionAny('repository.read', 'repository.write',
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177 'repository.admin')(repo_name, 'get repo check'):
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178 return
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179
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180 #======================================================================
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181 # CACHE FUNCTION
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182 #======================================================================
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183 @cache_region('long_term')
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184 def _get_repo(repo_name):
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185
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186 repo_path = os.path.join(self.repos_path, repo_name)
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187
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188 try:
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189 alias = get_scm(repo_path)[0]
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190 log.debug('Creating instance of %s repository', alias)
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191 backend = get_backend(alias)
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192 except VCSError:
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193 log.error(traceback.format_exc())
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194 log.error('Perhaps this repository is in db and not in '
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195 'filesystem run rescan repositories with '
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diff changeset
196 '"destroy old data " option from admin panel')
757
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197 return
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198
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199 if alias == 'hg':
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200 repo = backend(repo_path, create=False, baseui=make_ui('db'))
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diff changeset
201 #skip hidden web repository
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diff changeset
202 if repo._get_hidden():
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diff changeset
203 return
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diff changeset
204 else:
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diff changeset
205 repo = backend(repo_path, create=False)
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diff changeset
206
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diff changeset
207 return repo
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208
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209 pre_invalidate = True
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diff changeset
210 dbinvalidate = False
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diff changeset
211
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diff changeset
212 if invalidation_list is not None:
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diff changeset
213 pre_invalidate = repo_name in invalidation_list
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diff changeset
214
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diff changeset
215 if pre_invalidate:
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diff changeset
216 #this returns object to invalidate
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diff changeset
217 invalidate = self._should_invalidate(repo_name)
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diff changeset
218 if invalidate:
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diff changeset
219 log.info('invalidating cache for repository %s', repo_name)
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diff changeset
220 region_invalidate(_get_repo, None, repo_name)
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diff changeset
221 self._mark_invalidated(invalidate)
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222 dbinvalidate = True
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diff changeset
223
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224 r, dbr = None, None
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diff changeset
225 if retval == 'repo' or 'all':
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diff changeset
226 r = _get_repo(repo_name)
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diff changeset
227 if retval == 'dbrepo' or 'all':
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diff changeset
228 dbr = RepoModel(self.sa).get_full(repo_name, cache=True,
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diff changeset
229 invalidate=dbinvalidate)
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diff changeset
230
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diff changeset
231
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diff changeset
232 return r, dbr
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diff changeset
233
692
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234
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diff changeset
235
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236 def mark_for_invalidation(self, repo_name):
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diff changeset
237 """Puts cache invalidation task into db for
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diff changeset
238 further global cache invalidation
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diff changeset
239
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diff changeset
240 :param repo_name: this repo that should invalidation take place
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diff changeset
241 """
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diff changeset
242
692
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diff changeset
243 log.debug('marking %s for invalidation', repo_name)
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244 cache = self.sa.query(CacheInvalidation)\
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diff changeset
245 .filter(CacheInvalidation.cache_key == repo_name).scalar()
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diff changeset
246
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diff changeset
247 if cache:
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diff changeset
248 #mark this cache as inactive
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diff changeset
249 cache.cache_active = False
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diff changeset
250 else:
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diff changeset
251 log.debug('cache key not found in invalidation db -> creating one')
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252 cache = CacheInvalidation(repo_name)
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diff changeset
253
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diff changeset
254 try:
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255 self.sa.add(cache)
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diff changeset
256 self.sa.commit()
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diff changeset
257 except (DatabaseError,):
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diff changeset
258 log.error(traceback.format_exc())
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diff changeset
259 self.sa.rollback()
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diff changeset
260
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diff changeset
261
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diff changeset
262 def toggle_following_repo(self, follow_repo_id, user_id):
692
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diff changeset
263
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264 f = self.sa.query(UserFollowing)\
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265 .filter(UserFollowing.follows_repo_id == follow_repo_id)\
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266 .filter(UserFollowing.user_id == user_id).scalar()
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267
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268 if f is not None:
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269
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270 try:
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271 self.sa.delete(f)
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272 self.sa.commit()
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273 action_logger(UserTemp(user_id),
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274 'stopped_following_repo',
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275 RepoTemp(follow_repo_id))
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276 return
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277 except:
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278 log.error(traceback.format_exc())
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279 self.sa.rollback()
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280 raise
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281
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282
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283 try:
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284 f = UserFollowing()
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285 f.user_id = user_id
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286 f.follows_repo_id = follow_repo_id
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287 self.sa.add(f)
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288 self.sa.commit()
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289 action_logger(UserTemp(user_id),
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290 'started_following_repo',
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291 RepoTemp(follow_repo_id))
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292 except:
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293 log.error(traceback.format_exc())
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294 self.sa.rollback()
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295 raise
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296
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297 def toggle_following_user(self, follow_user_id , user_id):
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298 f = self.sa.query(UserFollowing)\
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299 .filter(UserFollowing.follows_user_id == follow_user_id)\
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300 .filter(UserFollowing.user_id == user_id).scalar()
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301
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302 if f is not None:
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303 try:
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304 self.sa.delete(f)
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305 self.sa.commit()
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306 return
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307 except:
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308 log.error(traceback.format_exc())
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309 self.sa.rollback()
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310 raise
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311
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312 try:
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313 f = UserFollowing()
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314 f.user_id = user_id
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315 f.follows_user_id = follow_user_id
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316 self.sa.add(f)
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317 self.sa.commit()
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318 except:
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319 log.error(traceback.format_exc())
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320 self.sa.rollback()
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321 raise
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322
999
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323 def is_following_repo(self, repo_name, user_id, cache=False):
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324 r = self.sa.query(Repository)\
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325 .filter(Repository.repo_name == repo_name).scalar()
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326
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327 f = self.sa.query(UserFollowing)\
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328 .filter(UserFollowing.follows_repository == r)\
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329 .filter(UserFollowing.user_id == user_id).scalar()
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330
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331 return f is not None
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332
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333 def is_following_user(self, username, user_id, cache=False):
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334 u = UserModel(self.sa).get_by_username(username)
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335
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336 f = self.sa.query(UserFollowing)\
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337 .filter(UserFollowing.follows_user == u)\
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338 .filter(UserFollowing.user_id == user_id).scalar()
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339
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340 return f is not None
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341
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342 def get_followers(self, repo_id):
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343 return self.sa.query(UserFollowing)\
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344 .filter(UserFollowing.follows_repo_id == repo_id).count()
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345
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346 def get_forks(self, repo_id):
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347 return self.sa.query(Repository)\
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348 .filter(Repository.fork_id == repo_id).count()
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349
784
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350
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diff changeset
351 def get_unread_journal(self):
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diff changeset
352 return self.sa.query(UserLog).count()
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353
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354
692
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diff changeset
355 def _should_invalidate(self, repo_name):
811
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diff changeset
356 """Looks up database for invalidation signals for this repo_name
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357
692
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358 :param repo_name:
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359 """
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360
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diff changeset
361 ret = self.sa.query(CacheInvalidation)\
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diff changeset
362 .filter(CacheInvalidation.cache_key == repo_name)\
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diff changeset
363 .filter(CacheInvalidation.cache_active == False)\
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diff changeset
364 .scalar()
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diff changeset
365
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366 return ret
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367
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diff changeset
368 def _mark_invalidated(self, cache_key):
1038
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diff changeset
369 """ Marks all occurrences of cache to invalidation as already
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diff changeset
370 invalidated
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diff changeset
371
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diff changeset
372 :param cache_key:
692
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diff changeset
373 """
811
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diff changeset
374
692
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diff changeset
375 if cache_key:
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diff changeset
376 log.debug('marking %s as already invalidated', cache_key)
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diff changeset
377 try:
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diff changeset
378 cache_key.cache_active = True
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diff changeset
379 self.sa.add(cache_key)
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diff changeset
380 self.sa.commit()
758
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diff changeset
381 except (DatabaseError,):
692
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diff changeset
382 log.error(traceback.format_exc())
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diff changeset
383 self.sa.rollback()
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diff changeset
384