Mercurial > kallithea

annotate rhodecode/model/scm.py @ 858:508b3976345e beta

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bumped development version
author Marcin Kuzminski <marcin@python-works.com>
date Sat, 18 Dec 2010 15:03:18 +0100
parents bcbc51db8e8c
children bc9a73adc216 93b980ebee55
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) 2009-2010 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 vcs import get_backend
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33 from vcs.utils.helpers import get_scm
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34 from vcs.exceptions import RepositoryError, VCSError
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35 from vcs.utils.lazy import LazyProperty
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36
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37 from mercurial import ui
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38
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39 from beaker.cache import cache_region, region_invalidate
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40
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41 from rhodecode import BACKENDS
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42 from rhodecode.lib import helpers as h
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43 from rhodecode.lib.auth import HasRepoPermissionAny
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44 from rhodecode.lib.utils import get_repos, make_ui, action_logger
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45 from rhodecode.model import BaseModel
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46 from rhodecode.model.user import UserModel
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47
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48 from rhodecode.model.db import Repository, RhodeCodeUi, CacheInvalidation, \
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49 UserFollowing, UserLog
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50 from rhodecode.model.caching_query import FromCache
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51
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52 from sqlalchemy.orm import joinedload
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53 from sqlalchemy.orm.session import make_transient
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54 from sqlalchemy.exc import DatabaseError
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55
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56 log = logging.getLogger(__name__)
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57
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58
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59 class UserTemp(object):
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60 def __init__(self, user_id):
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61 self.user_id = user_id
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62 class RepoTemp(object):
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63 def __init__(self, repo_id):
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64 self.repo_id = repo_id
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65
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66 class ScmModel(BaseModel):
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67 """Generic Scm Model
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68 """
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69
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70 @LazyProperty
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71 def repos_path(self):
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72 """Get's the repositories root path from database
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73 """
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74
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75 q = self.sa.query(RhodeCodeUi).filter(RhodeCodeUi.ui_key == '/').one()
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76
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77 return q.ui_value
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78
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79 def repo_scan(self, repos_path, baseui):
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80 """Listing of repositories in given path. This path should not be a
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81 repository itself. Return a dictionary of repository objects
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82
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83 :param repos_path: path to directory containing repositories
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84 :param baseui: baseui instance to instantiate MercurialRepostitory with
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85 """
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86
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87 log.info('scanning for repositories in %s', repos_path)
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88
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89 if not isinstance(baseui, ui.ui):
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90 baseui = make_ui('db')
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91 repos_list = {}
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92
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93 for name, path in get_repos(repos_path):
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94 try:
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95 if repos_list.has_key(name):
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96 raise RepositoryError('Duplicate repository name %s '
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97 'found in %s' % (name, path))
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98 else:
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99
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100 klass = get_backend(path[0])
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101
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102 if path[0] == 'hg' and path[0] in BACKENDS.keys():
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103 repos_list[name] = klass(path[1], baseui=baseui)
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104
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105 if path[0] == 'git' and path[0] in BACKENDS.keys():
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106 repos_list[name] = klass(path[1])
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107 except OSError:
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108 continue
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109
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110 return repos_list
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111
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112 def get_repos(self, all_repos=None):
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113 """Get all repos from db and for each repo create it's backend instance.
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114 and fill that backed with information from database
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115
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116 :param all_repos: give specific repositories list, good for filtering
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117 """
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118
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119 if all_repos is None:
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120 all_repos = self.sa.query(Repository)\
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121 .order_by(Repository.repo_name).all()
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122
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123 #get the repositories that should be invalidated
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124 invalidation_list = [str(x.cache_key) for x in \
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125 self.sa.query(CacheInvalidation.cache_key)\
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126 .filter(CacheInvalidation.cache_active == False)\
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127 .all()]
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128
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129 for r in all_repos:
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130
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131 repo = self.get(r.repo_name, invalidation_list)
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132
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133 if repo is not None:
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134 last_change = repo.last_change
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135 tip = h.get_changeset_safe(repo, 'tip')
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136
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137 tmp_d = {}
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138 tmp_d['name'] = repo.name
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139 tmp_d['name_sort'] = tmp_d['name'].lower()
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140 tmp_d['description'] = repo.dbrepo.description
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141 tmp_d['description_sort'] = tmp_d['description']
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142 tmp_d['last_change'] = last_change
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143 tmp_d['last_change_sort'] = time.mktime(last_change.timetuple())
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144 tmp_d['tip'] = tip.raw_id
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145 tmp_d['tip_sort'] = tip.revision
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146 tmp_d['rev'] = tip.revision
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147 tmp_d['contact'] = repo.dbrepo.user.full_contact
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148 tmp_d['contact_sort'] = tmp_d['contact']
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149 tmp_d['repo_archives'] = list(repo._get_archives())
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150 tmp_d['last_msg'] = tip.message
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151 tmp_d['repo'] = repo
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152 yield tmp_d
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153
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154 def get_repo(self, repo_name):
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155 return self.get(repo_name)
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156
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157 def get(self, repo_name, invalidation_list=None):
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158 """Get's repository from given name, creates BackendInstance and
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159 propagates it's data from database with all additional information
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160
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161 :param repo_name:
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162 :param invalidation_list: if a invalidation list is given the get
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163 method should not manually check if this repository needs
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164 invalidation and just invalidate the repositories in list
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165
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166 """
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167 if not HasRepoPermissionAny('repository.read', 'repository.write',
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168 'repository.admin')(repo_name, 'get repo check'):
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169 return
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170
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171 #======================================================================
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172 # CACHE FUNCTION
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173 #======================================================================
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174 @cache_region('long_term')
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175 def _get_repo(repo_name):
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176
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177 repo_path = os.path.join(self.repos_path, repo_name)
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178
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179 try:
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180 alias = get_scm(repo_path)[0]
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181
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182 log.debug('Creating instance of %s repository', alias)
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183 backend = get_backend(alias)
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184 except VCSError:
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185 log.error(traceback.format_exc())
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186 return
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187
690
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188 if alias == 'hg':
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189 from pylons import app_globals as g
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190 repo = backend(repo_path, create=False, baseui=g.baseui)
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191 #skip hidden web repository
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192 if repo._get_hidden():
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193 return
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194 else:
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195 repo = backend(repo_path, create=False)
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196
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197 dbrepo = self.sa.query(Repository)\
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198 .options(joinedload(Repository.fork))\
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199 .options(joinedload(Repository.user))\
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200 .filter(Repository.repo_name == repo_name)\
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201 .scalar()
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202
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diff changeset
203 make_transient(dbrepo)
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204 if dbrepo.user:
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diff changeset
205 make_transient(dbrepo.user)
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206 if dbrepo.fork:
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207 make_transient(dbrepo.fork)
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208
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diff changeset
209 repo.dbrepo = dbrepo
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diff changeset
210 return repo
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211
792
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diff changeset
212 pre_invalidate = True
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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
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diff changeset
216 if pre_invalidate:
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diff changeset
217 invalidate = self._should_invalidate(repo_name)
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diff changeset
218
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diff changeset
219 if invalidate:
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diff changeset
220 log.info('invalidating cache for repository %s', repo_name)
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diff changeset
221 region_invalidate(_get_repo, None, repo_name)
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diff changeset
222 self._mark_invalidated(invalidate)
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223
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224 return _get_repo(repo_name)
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225
692
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226
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diff changeset
227
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diff changeset
228 def mark_for_invalidation(self, repo_name):
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diff changeset
229 """Puts cache invalidation task into db for
692
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diff changeset
230 further global cache invalidation
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diff changeset
231
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diff changeset
232 :param repo_name: this repo that should invalidation take place
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diff changeset
233 """
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234
692
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diff changeset
235 log.debug('marking %s for invalidation', repo_name)
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diff changeset
236 cache = self.sa.query(CacheInvalidation)\
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diff changeset
237 .filter(CacheInvalidation.cache_key == repo_name).scalar()
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diff changeset
238
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diff changeset
239 if cache:
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diff changeset
240 #mark this cache as inactive
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diff changeset
241 cache.cache_active = False
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diff changeset
242 else:
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diff changeset
243 log.debug('cache key not found in invalidation db -> creating one')
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diff changeset
244 cache = CacheInvalidation(repo_name)
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diff changeset
245
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diff changeset
246 try:
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diff changeset
247 self.sa.add(cache)
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diff changeset
248 self.sa.commit()
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diff changeset
249 except (DatabaseError,):
692
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diff changeset
250 log.error(traceback.format_exc())
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diff changeset
251 self.sa.rollback()
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diff changeset
252
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diff changeset
253
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diff changeset
254 def toggle_following_repo(self, follow_repo_id, user_id):
692
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255
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diff changeset
256 f = self.sa.query(UserFollowing)\
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diff changeset
257 .filter(UserFollowing.follows_repo_id == follow_repo_id)\
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diff changeset
258 .filter(UserFollowing.user_id == user_id).scalar()
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diff changeset
259
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diff changeset
260 if f is not None:
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diff changeset
261
734
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diff changeset
262 try:
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diff changeset
263 self.sa.delete(f)
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diff changeset
264 self.sa.commit()
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diff changeset
265 action_logger(UserTemp(user_id),
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diff changeset
266 'stopped_following_repo',
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267 RepoTemp(follow_repo_id))
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268 return
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269 except:
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270 log.error(traceback.format_exc())
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271 self.sa.rollback()
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272 raise
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273
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274
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275 try:
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276 f = UserFollowing()
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277 f.user_id = user_id
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278 f.follows_repo_id = follow_repo_id
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279 self.sa.add(f)
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280 self.sa.commit()
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281 action_logger(UserTemp(user_id),
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282 'started_following_repo',
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283 RepoTemp(follow_repo_id))
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284 except:
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285 log.error(traceback.format_exc())
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286 self.sa.rollback()
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287 raise
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288
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289 def toggle_following_user(self, follow_user_id , user_id):
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290 f = self.sa.query(UserFollowing)\
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291 .filter(UserFollowing.follows_user_id == follow_user_id)\
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292 .filter(UserFollowing.user_id == user_id).scalar()
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293
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294 if f is not None:
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295 try:
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296 self.sa.delete(f)
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297 self.sa.commit()
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298 return
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299 except:
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300 log.error(traceback.format_exc())
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301 self.sa.rollback()
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302 raise
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303
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304 try:
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305 f = UserFollowing()
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306 f.user_id = user_id
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307 f.follows_user_id = follow_user_id
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308 self.sa.add(f)
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309 self.sa.commit()
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310 except:
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311 log.error(traceback.format_exc())
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312 self.sa.rollback()
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313 raise
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314
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315 def is_following_repo(self, repo_name, user_id):
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316 r = self.sa.query(Repository)\
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317 .filter(Repository.repo_name == repo_name).scalar()
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318
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319 f = self.sa.query(UserFollowing)\
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320 .filter(UserFollowing.follows_repository == r)\
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321 .filter(UserFollowing.user_id == user_id).scalar()
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322
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323 return f is not None
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324
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325 def is_following_user(self, username, user_id):
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326 u = UserModel(self.sa).get_by_username(username)
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327
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328 f = self.sa.query(UserFollowing)\
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329 .filter(UserFollowing.follows_user == u)\
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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 get_followers(self, repo_id):
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335 return self.sa.query(UserFollowing)\
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336 .filter(UserFollowing.follows_repo_id == repo_id).count()
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337
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338 def get_forks(self, repo_id):
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339 return self.sa.query(Repository)\
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340 .filter(Repository.fork_id == repo_id).count()
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341
784
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342
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343 def get_unread_journal(self):
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344 return self.sa.query(UserLog).count()
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345
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346
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347 def _should_invalidate(self, repo_name):
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348 """Looks up database for invalidation signals for this repo_name
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349
692
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350 :param repo_name:
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351 """
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352
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353 ret = self.sa.query(CacheInvalidation)\
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354 .options(FromCache('sql_cache_short',
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355 'get_invalidation_%s' % repo_name))\
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356 .filter(CacheInvalidation.cache_key == repo_name)\
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357 .filter(CacheInvalidation.cache_active == False)\
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358 .scalar()
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359
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360 return ret
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361
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diff changeset
362 def _mark_invalidated(self, cache_key):
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diff changeset
363 """ Marks all occurences of cache to invaldation as already invalidated
bb35ad076e2f docs updates
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diff changeset
364
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diff changeset
365 :param cache_key:
692
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366 """
811
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diff changeset
367
692
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diff changeset
368 if cache_key:
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diff changeset
369 log.debug('marking %s as already invalidated', cache_key)
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diff changeset
370 try:
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diff changeset
371 cache_key.cache_active = True
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diff changeset
372 self.sa.add(cache_key)
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diff changeset
373 self.sa.commit()
758
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diff changeset
374 except (DatabaseError,):
692
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diff changeset
375 log.error(traceback.format_exc())
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diff changeset
376 self.sa.rollback()
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diff changeset
377