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annotate pylons_app/lib/utils.py @ 265:0e5455fda8fd

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Implemented basic repository managment. Implemented repo2db mappings, model, helpers updates and code cleanups
author Marcin Kuzminski <marcin@python-works.com>
date Mon, 07 Jun 2010 00:18:33 +0200
parents 3782a6d698af
children cd2ee462fc2c
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1 #!/usr/bin/env python
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2 # encoding: utf-8
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3 # Utilities for hg app
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4 # Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>
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5
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6 # This program is free software; you can redistribute it and/or
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7 # modify it under the terms of the GNU General Public License
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8 # as published by the Free Software Foundation; version 2
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9 # of the License or (at your opinion) any later version of the license.
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10 #
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU General Public License for more details.
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15 #
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16 # You should have received a copy of the GNU General Public License
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17 # along with this program; if not, write to the Free Software
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18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 # MA 02110-1301, USA.
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20
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21 """
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22 Created on April 18, 2010
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23 Utilities for hg app
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24 @author: marcink
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25 """
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26
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27 import os
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28 import logging
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29 from mercurial import ui, config, hg
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30 from mercurial.error import RepoError
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31 from pylons_app.model.db import Repository, User
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32 log = logging.getLogger(__name__)
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33
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34
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35 def get_repo_slug(request):
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36 return request.environ['pylons.routes_dict'].get('repo_name')
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37
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38 def is_mercurial(environ):
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39 """
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40 Returns True if request's target is mercurial server - header
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41 ``HTTP_ACCEPT`` of such request would start with ``application/mercurial``.
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42 """
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43 http_accept = environ.get('HTTP_ACCEPT')
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44 if http_accept and http_accept.startswith('application/mercurial'):
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45 return True
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46 return False
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47
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48 def check_repo_dir(paths):
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49 repos_path = paths[0][1].split('/')
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50 if repos_path[-1] in ['*', '**']:
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51 repos_path = repos_path[:-1]
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52 if repos_path[0] != '/':
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53 repos_path[0] = '/'
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54 if not os.path.isdir(os.path.join(*repos_path)):
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55 raise Exception('Not a valid repository in %s' % paths[0][1])
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56
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57 def check_repo(repo_name, base_path):
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58
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59 repo_path = os.path.join(base_path, repo_name)
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61 try:
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62 r = hg.repository(ui.ui(), repo_path)
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63 hg.verify(r)
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64 #here we hnow that repo exists it was verified
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65 log.info('%s repo is already created', repo_name)
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66 return False
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67 #raise Exception('Repo exists')
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68 except RepoError:
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69 log.info('%s repo is free for creation', repo_name)
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70 #it means that there is no valid repo there...
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71 return True
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72
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73 def make_ui(path=None, checkpaths=True):
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74 """
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75 A funcion that will read python rc files and make an ui from read options
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76
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77 @param path: path to mercurial config file
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78 """
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79 if not path:
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80 log.error('repos config path is empty !')
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81
114
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82 if not os.path.isfile(path):
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83 log.warning('Unable to read config file %s' % path)
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84 return False
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85 #propagated from mercurial documentation
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86 sections = [
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87 'alias',
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88 'auth',
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89 'decode/encode',
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90 'defaults',
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91 'diff',
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92 'email',
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93 'extensions',
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94 'format',
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95 'merge-patterns',
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96 'merge-tools',
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97 'hooks',
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98 'http_proxy',
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99 'smtp',
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100 'patch',
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101 'paths',
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102 'profiling',
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103 'server',
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104 'trusted',
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105 'ui',
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106 'web',
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107 ]
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108
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109 baseui = ui.ui()
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110 cfg = config.config()
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111 cfg.read(path)
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112 if checkpaths:check_repo_dir(cfg.items('paths'))
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113
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114 for section in sections:
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115 for k, v in cfg.items(section):
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116 baseui.setconfig(section, k, v)
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117
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118 return baseui
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119
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120 def invalidate_cache(name, *args):
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121 """Invalidates given name cache"""
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122
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123 from beaker.cache import region_invalidate
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124 log.info('INVALIDATING CACHE FOR %s', name)
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125
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126 """propagate our arguments to make sure invalidation works. First
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127 argument has to be the name of cached func name give to cache decorator
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128 without that the invalidation would not work"""
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129 tmp = [name]
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130 tmp.extend(args)
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131 args = tuple(tmp)
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132
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133 if name == 'cached_repo_list':
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134 from pylons_app.model.hg_model import _get_repos_cached
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135 region_invalidate(_get_repos_cached, None, *args)
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136
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137 if name == 'full_changelog':
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138 from pylons_app.model.hg_model import _full_changelog_cached
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139 region_invalidate(_full_changelog_cached, None, *args)
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140
136
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141 from vcs.backends.base import BaseChangeset
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142 from vcs.utils.lazy import LazyProperty
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143 class EmptyChangeset(BaseChangeset):
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144
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145 revision = -1
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146
136
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147 @LazyProperty
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148 def raw_id(self):
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149 """
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150 Returns raw string identifing this changeset, useful for web
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151 representation.
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152 """
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153 return '0' * 12
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154
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155
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156 def repo2db_mapper(initial_repo_list):
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157 """
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158 maps all found repositories into db
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159 """
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160 from pylons_app.model.meta import Session
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161 sa = Session()
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162 user = sa.query(User).filter(User.admin == True).first()
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163 for name, repo in initial_repo_list.items():
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164 if not sa.query(Repository).get(name):
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165 log.info('%s not found creating default', name)
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166 try:
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167
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168 new_repo = Repository()
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169 new_repo.repo_name = name
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170 desc = repo.description if repo.description != 'unknown' else \
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171 'auto description for %s' % name
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172 new_repo.description = desc
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173 new_repo.user_id = user.user_id
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174 new_repo.private = False
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175 sa.add(new_repo)
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176 sa.commit()
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177 except:
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178 sa.rollback()
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179 raise
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180