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comparison pylons_app/lib/utils.py @ 297:a074dec6ee40

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restored utils, wrongly deleted
author Marcin Kuzminski <marcin@python-works.com>
date Fri, 25 Jun 2010 21:53:13 +0200
parents 248642ed1912
children 752675cdd167
comparison
equal deleted inserted replaced
296:29370bb76fa6 297:a074dec6ee40
1 #!/usr/bin/env python
2 # encoding: utf-8
3 # Utilities for hg app
4 # Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>
5 # This program is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU General Public License
7 # as published by the Free Software Foundation; version 2
8 # of the License or (at your opinion) any later version of the license.
9 #
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
14 #
15 # You should have received a copy of the GNU General Public License
16 # along with this program; if not, write to the Free Software
17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
18 # MA 02110-1301, USA.
19
20 """
21 Created on April 18, 2010
22 Utilities for hg app
23 @author: marcink
24 """
25
26 import os
27 import logging
28 from mercurial import ui, config, hg
29 from mercurial.error import RepoError
30 from pylons_app.model.db import Repository, User
31 log = logging.getLogger(__name__)
32
33
34 def get_repo_slug(request):
35 return request.environ['pylons.routes_dict'].get('repo_name')
36
37 def is_mercurial(environ):
38 """
39 Returns True if request's target is mercurial server - header
40 ``HTTP_ACCEPT`` of such request would start with ``application/mercurial``.
41 """
42 http_accept = environ.get('HTTP_ACCEPT')
43 if http_accept and http_accept.startswith('application/mercurial'):
44 return True
45 return False
46
47 def check_repo_dir(paths):
48 repos_path = paths[0][1].split('/')
49 if repos_path[-1] in ['*', '**']:
50 repos_path = repos_path[:-1]
51 if repos_path[0] != '/':
52 repos_path[0] = '/'
53 if not os.path.isdir(os.path.join(*repos_path)):
54 raise Exception('Not a valid repository in %s' % paths[0][1])
55
56 def check_repo(repo_name, base_path):
57
58 repo_path = os.path.join(base_path, repo_name)
59
60 try:
61 r = hg.repository(ui.ui(), repo_path)
62 hg.verify(r)
63 #here we hnow that repo exists it was verified
64 log.info('%s repo is already created', repo_name)
65 return False
66 #raise Exception('Repo exists')
67 except RepoError:
68 log.info('%s repo is free for creation', repo_name)
69 #it means that there is no valid repo there...
70 return True
71
72 def make_ui(path=None, checkpaths=True):
73 """
74 A funcion that will read python rc files and make an ui from read options
75
76 @param path: path to mercurial config file
77 """
78 if not path:
79 log.error('repos config path is empty !')
80
81 if not os.path.isfile(path):
82 log.warning('Unable to read config file %s' % path)
83 return False
84 #propagated from mercurial documentation
85 sections = [
86 'alias',
87 'auth',
88 'decode/encode',
89 'defaults',
90 'diff',
91 'email',
92 'extensions',
93 'format',
94 'merge-patterns',
95 'merge-tools',
96 'hooks',
97 'http_proxy',
98 'smtp',
99 'patch',
100 'paths',
101 'profiling',
102 'server',
103 'trusted',
104 'ui',
105 'web',
106 ]
107
108 baseui = ui.ui()
109 cfg = config.config()
110 cfg.read(path)
111 if checkpaths:check_repo_dir(cfg.items('paths'))
112
113 for section in sections:
114 for k, v in cfg.items(section):
115 baseui.setconfig(section, k, v)
116
117 return baseui
118
119 def invalidate_cache(name, *args):
120 """Invalidates given name cache"""
121
122 from beaker.cache import region_invalidate
123 log.info('INVALIDATING CACHE FOR %s', name)
124
125 """propagate our arguments to make sure invalidation works. First
126 argument has to be the name of cached func name give to cache decorator
127 without that the invalidation would not work"""
128 tmp = [name]
129 tmp.extend(args)
130 args = tuple(tmp)
131
132 if name == 'cached_repo_list':
133 from pylons_app.model.hg_model import _get_repos_cached
134 region_invalidate(_get_repos_cached, None, *args)
135
136 if name == 'full_changelog':
137 from pylons_app.model.hg_model import _full_changelog_cached
138 region_invalidate(_full_changelog_cached, None, *args)
139
140 from vcs.backends.base import BaseChangeset
141 from vcs.utils.lazy import LazyProperty
142 class EmptyChangeset(BaseChangeset):
143
144 revision = -1
145 message = ''
146
147 @LazyProperty
148 def raw_id(self):
149 """
150 Returns raw string identifing this changeset, useful for web
151 representation.
152 """
153 return '0' * 12
154
155
156 def repo2db_mapper(initial_repo_list):
157 """
158 maps all found repositories into db
159 """
160 from pylons_app.model.meta import Session
161 from pylons_app.model.repo_model import RepoModel
162
163 sa = Session()
164 user = sa.query(User).filter(User.admin == True).first()
165
166 rm = RepoModel()
167
168 for name, repo in initial_repo_list.items():
169 if not sa.query(Repository).get(name):
170 log.info('repository %s not found creating default', name)
171
172 form_data = {
173 'repo_name':name,
174 'description':repo.description if repo.description != 'unknown' else \
175 'auto description for %s' % name,
176 'private':False
177 }
178 rm.create(form_data, user, just_db=True)