Mercurial > kallithea

annotate rhodecode/model/scm.py @ 1042:ab0a2b69d082 beta

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bugfix for getting proper values from cache
author Marcin Kuzminski <marcin@python-works.com>
date Mon, 14 Feb 2011 15:16:45 +0100
parents 51b70569c330
children 3fc9183e05dd
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 """
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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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68
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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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88
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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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diff changeset
131 invalidation_list = [str(x.cache_key) for x in \
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diff changeset
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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diff changeset
138 r_dbr = self.get(r.repo_name, invalidation_list)
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139
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140 if r_dbr is not None:
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diff changeset
141 repo, dbrepo = r_dbr
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diff changeset
142 last_change = repo.last_change
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143 tip = h.get_changeset_safe(repo, 'tip')
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144
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diff changeset
145 tmp_d = {}
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diff changeset
146 tmp_d['name'] = r.repo_name
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147 tmp_d['name_sort'] = tmp_d['name'].lower()
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148 tmp_d['description'] = dbrepo.description
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diff changeset
149 tmp_d['description_sort'] = tmp_d['description']
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diff changeset
150 tmp_d['last_change'] = last_change
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diff changeset
151 tmp_d['last_change_sort'] = time.mktime(last_change.timetuple())
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diff changeset
152 tmp_d['tip'] = tip.raw_id
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diff changeset
153 tmp_d['tip_sort'] = tip.revision
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diff changeset
154 tmp_d['rev'] = tip.revision
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155 tmp_d['contact'] = dbrepo.user.full_contact
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156 tmp_d['contact_sort'] = tmp_d['contact']
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520e67cbb494 fixed sorting in maing page by owners
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diff changeset
157 tmp_d['owner_sort'] = tmp_d['contact']
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158 tmp_d['repo_archives'] = list(repo._get_archives())
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diff changeset
159 tmp_d['last_msg'] = tip.message
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160 tmp_d['repo'] = repo
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161 tmp_d['dbrepo'] = dbrepo
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diff changeset
162 yield tmp_d
74
cdf4fda66dd9 Started summary page. Added filters to templates. used by n,self.f.filtername prefixed by n to disable other filters. Few other fixes found
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163
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164 def get(self, repo_name, invalidation_list=None, retval='all'):
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165 """Returns a tuple of Repository,DbRepository,
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166 Get's repository from given name, creates BackendInstance and
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167 propagates it's data from database with all additional information
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168
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169 :param repo_name:
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170 :param invalidation_list: if a invalidation list is given the get
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171 method should not manually check if this repository needs
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172 invalidation and just invalidate the repositories in list
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173 :param retval: string specifing what to return one of 'repo','dbrepo',
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174 'all'if repo or dbrepo is given it'll just lazy load chosen type
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diff changeset
175 and return None as the second
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176 """
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diff changeset
177 if not HasRepoPermissionAny('repository.read', 'repository.write',
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diff changeset
178 'repository.admin')(repo_name, 'get repo check'):
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diff changeset
179 return
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diff changeset
180
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diff changeset
181 #======================================================================
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diff changeset
182 # CACHE FUNCTION
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183 #======================================================================
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diff changeset
184 @cache_region('long_term')
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diff changeset
185 def _get_repo(repo_name):
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diff changeset
186
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diff changeset
187 repo_path = os.path.join(self.repos_path, repo_name)
757
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diff changeset
188
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diff changeset
189 try:
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diff changeset
190 alias = get_scm(repo_path)[0]
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diff changeset
191 log.debug('Creating instance of %s repository', alias)
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diff changeset
192 backend = get_backend(alias)
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diff changeset
193 except VCSError:
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diff changeset
194 log.error(traceback.format_exc())
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diff changeset
195 log.error('Perhaps this repository is in db and not in '
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diff changeset
196 'filesystem run rescan repositories with '
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diff changeset
197 '"destroy old data " option from admin panel')
757
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diff changeset
198 return
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diff changeset
199
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diff changeset
200 if alias == 'hg':
1038
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diff changeset
201 repo = backend(repo_path, create=False, baseui=make_ui('db'))
690
4685f3eafd35 Fixed sumamry page description bug
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diff changeset
202 #skip hidden web repository
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diff changeset
203 if repo._get_hidden():
4685f3eafd35 Fixed sumamry page description bug
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diff changeset
204 return
4685f3eafd35 Fixed sumamry page description bug
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diff changeset
205 else:
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diff changeset
206 repo = backend(repo_path, create=False)
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diff changeset
207
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72778dda34cf some fixups in cache, added fallback and cache invalidation when key not found in cached repos list,
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diff changeset
208 return repo
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diff changeset
209
792
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diff changeset
210 pre_invalidate = True
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diff changeset
211 dbinvalidate = False
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diff changeset
212
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diff changeset
213 if invalidation_list is not None:
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diff changeset
214 pre_invalidate = repo_name in invalidation_list
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diff changeset
215
4c16ed1eb699 fixed bug introduced in latest commit
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diff changeset
216 if pre_invalidate:
1038
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diff changeset
217 #this returns object to invalidate
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diff changeset
218 invalidate = self._should_invalidate(repo_name)
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diff changeset
219 if invalidate:
4c16ed1eb699 fixed bug introduced in latest commit
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diff changeset
220 log.info('invalidating cache for repository %s', repo_name)
1039
51b70569c330 extended admin rescan to show what repositories was added and what removed
Marcin Kuzminski <marcin@python-works.com>
parents: 1038
diff changeset
221 region_invalidate(_get_repo, None, repo_name)
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diff changeset
222 self._mark_invalidated(invalidate)
1038
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diff changeset
223 dbinvalidate = True
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diff changeset
224
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diff changeset
225 r, dbr = None, None
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diff changeset
226 if retval == 'repo' or 'all':
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diff changeset
227 r = _get_repo(repo_name)
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diff changeset
228 if retval == 'dbrepo' or 'all':
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diff changeset
229 dbr = RepoModel(self.sa).get_full(repo_name, cache=True,
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diff changeset
230 invalidate=dbinvalidate)
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diff changeset
231
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diff changeset
232
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diff changeset
233 return r, dbr
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diff changeset
234
692
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diff changeset
235
cb0d9ce6ac5c #50 on point cache invalidation changes.
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diff changeset
236
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diff changeset
237 def mark_for_invalidation(self, repo_name):
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diff changeset
238 """Puts cache invalidation task into db for
692
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diff changeset
239 further global cache invalidation
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diff changeset
240
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diff changeset
241 :param repo_name: this repo that should invalidation take place
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diff changeset
242 """
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diff changeset
243
692
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diff changeset
244 log.debug('marking %s for invalidation', repo_name)
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diff changeset
245 cache = self.sa.query(CacheInvalidation)\
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diff changeset
246 .filter(CacheInvalidation.cache_key == repo_name).scalar()
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diff changeset
247
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diff changeset
248 if cache:
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diff changeset
249 #mark this cache as inactive
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diff changeset
250 cache.cache_active = False
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diff changeset
251 else:
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diff changeset
252 log.debug('cache key not found in invalidation db -> creating one')
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diff changeset
253 cache = CacheInvalidation(repo_name)
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diff changeset
254
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diff changeset
255 try:
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diff changeset
256 self.sa.add(cache)
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diff changeset
257 self.sa.commit()
758
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diff changeset
258 except (DatabaseError,):
692
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diff changeset
259 log.error(traceback.format_exc())
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diff changeset
260 self.sa.rollback()
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diff changeset
261
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diff changeset
262
734
49eb69d78988 implemented user dashboards, and following system.
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diff changeset
263 def toggle_following_repo(self, follow_repo_id, user_id):
692
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264
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265 f = self.sa.query(UserFollowing)\
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266 .filter(UserFollowing.follows_repo_id == follow_repo_id)\
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267 .filter(UserFollowing.user_id == user_id).scalar()
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268
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269 if f is not None:
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270
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271 try:
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272 self.sa.delete(f)
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273 self.sa.commit()
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274 action_logger(UserTemp(user_id),
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275 'stopped_following_repo',
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276 RepoTemp(follow_repo_id))
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277 return
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278 except:
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279 log.error(traceback.format_exc())
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280 self.sa.rollback()
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281 raise
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282
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283
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284 try:
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285 f = UserFollowing()
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286 f.user_id = user_id
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287 f.follows_repo_id = follow_repo_id
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288 self.sa.add(f)
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289 self.sa.commit()
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290 action_logger(UserTemp(user_id),
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291 'started_following_repo',
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292 RepoTemp(follow_repo_id))
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293 except:
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294 log.error(traceback.format_exc())
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295 self.sa.rollback()
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296 raise
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297
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298 def toggle_following_user(self, follow_user_id , user_id):
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299 f = self.sa.query(UserFollowing)\
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300 .filter(UserFollowing.follows_user_id == follow_user_id)\
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301 .filter(UserFollowing.user_id == user_id).scalar()
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302
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303 if f is not None:
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304 try:
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305 self.sa.delete(f)
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306 self.sa.commit()
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307 return
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308 except:
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309 log.error(traceback.format_exc())
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310 self.sa.rollback()
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311 raise
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312
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313 try:
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314 f = UserFollowing()
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315 f.user_id = user_id
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316 f.follows_user_id = follow_user_id
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317 self.sa.add(f)
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318 self.sa.commit()
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319 except:
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320 log.error(traceback.format_exc())
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321 self.sa.rollback()
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322 raise
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323
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324 def is_following_repo(self, repo_name, user_id, cache=False):
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325 r = self.sa.query(Repository)\
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326 .filter(Repository.repo_name == repo_name).scalar()
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327
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328 f = self.sa.query(UserFollowing)\
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329 .filter(UserFollowing.follows_repository == r)\
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330 .filter(UserFollowing.user_id == user_id).scalar()
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331
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332 return f is not None
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333
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334 def is_following_user(self, username, user_id, cache=False):
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335 u = UserModel(self.sa).get_by_username(username)
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336
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337 f = self.sa.query(UserFollowing)\
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338 .filter(UserFollowing.follows_user == u)\
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339 .filter(UserFollowing.user_id == user_id).scalar()
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340
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341 return f is not None
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342
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343 def get_followers(self, repo_id):
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344 return self.sa.query(UserFollowing)\
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345 .filter(UserFollowing.follows_repo_id == repo_id).count()
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346
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347 def get_forks(self, repo_id):
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348 return self.sa.query(Repository)\
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349 .filter(Repository.fork_id == repo_id).count()
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350
784
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351
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352 def get_unread_journal(self):
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353 return self.sa.query(UserLog).count()
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354
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355
692
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356 def _should_invalidate(self, repo_name):
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357 """Looks up database for invalidation signals for this repo_name
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358
692
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359 :param repo_name:
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360 """
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361
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362 ret = self.sa.query(CacheInvalidation)\
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363 .filter(CacheInvalidation.cache_key == repo_name)\
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364 .filter(CacheInvalidation.cache_active == False)\
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365 .scalar()
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366
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367 return ret
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368
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369 def _mark_invalidated(self, cache_key):
1038
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370 """ Marks all occurrences of cache to invalidation as already
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371 invalidated
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diff changeset
372
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diff changeset
373 :param cache_key:
692
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374 """
811
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diff changeset
375
692
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diff changeset
376 if cache_key:
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377 log.debug('marking %s as already invalidated', cache_key)
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diff changeset
378 try:
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379 cache_key.cache_active = True
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diff changeset
380 self.sa.add(cache_key)
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diff changeset
381 self.sa.commit()
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diff changeset
382 except (DatabaseError,):
692
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diff changeset
383 log.error(traceback.format_exc())
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diff changeset
384 self.sa.rollback()
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diff changeset
385