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annotate pylons_app/lib/utils.py @ 140:b5e59e2b5cfe

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moved cache invalidating to utils, as seperate function. Implemented invalidating in
author Marcin Kuzminski <marcin@python-works.com>
date Sun, 09 May 2010 15:06:00 +0200
parents 36102488d634
children 52bbeb1e813f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 import os
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2 import logging
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3 from mercurial import ui, config, hg
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4 from mercurial.error import RepoError
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5 log = logging.getLogger(__name__)
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6
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7
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8 def get_repo_slug(request):
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9 path_info = request.environ.get('PATH_INFO')
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10 uri_lst = path_info.split('/')
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11 repo_name = uri_lst[1]
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12 return repo_name
96
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13
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14 def is_mercurial(environ):
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15 """
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16 Returns True if request's target is mercurial server - header
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17 ``HTTP_ACCEPT`` of such request would start with ``application/mercurial``.
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18 """
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19 http_accept = environ.get('HTTP_ACCEPT')
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20 if http_accept and http_accept.startswith('application/mercurial'):
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21 return True
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22 return False
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23
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24 def check_repo_dir(paths):
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25 repos_path = paths[0][1].split('/')
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26 if repos_path[-1] in ['*', '**']:
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27 repos_path = repos_path[:-1]
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28 if repos_path[0] != '/':
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29 repos_path[0] = '/'
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30 if not os.path.isdir(os.path.join(*repos_path)):
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31 raise Exception('Not a valid repository in %s' % paths[0][1])
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32
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33 def check_repo(repo_name, base_path):
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34
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35 repo_path = os.path.join(base_path, repo_name)
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36
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37 try:
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38 r = hg.repository(ui.ui(), repo_path)
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39 hg.verify(r)
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40 #here we hnow that repo exists it was verified
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41 log.info('%s repo is already created', repo_name)
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42 return False
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43 #raise Exception('Repo exists')
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44 except RepoError:
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45 log.info('%s repo is free for creation', repo_name)
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46 #it means that there is no valid repo there...
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47 return True
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48
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49 def make_ui(path='hgwebdir.config', checkpaths=True):
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50 """
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51 A funcion that will read python rc files and make an ui from read options
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52
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53 @param path: path to mercurial config file
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54 """
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55 if not os.path.isfile(path):
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56 log.error('Unable to read config file %s' % path)
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57 return False
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58 #propagated from mercurial documentation
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59 sections = [
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60 'alias',
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61 'auth',
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62 'decode/encode',
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63 'defaults',
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64 'diff',
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65 'email',
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66 'extensions',
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67 'format',
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68 'merge-patterns',
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69 'merge-tools',
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70 'hooks',
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71 'http_proxy',
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72 'smtp',
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73 'patch',
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74 'paths',
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75 'profiling',
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76 'server',
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77 'trusted',
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78 'ui',
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79 'web',
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80 ]
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81
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82 baseui = ui.ui()
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83 cfg = config.config()
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84 cfg.read(path)
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85 if checkpaths:check_repo_dir(cfg.items('paths'))
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86
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87 for section in sections:
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88 for k, v in cfg.items(section):
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89 baseui.setconfig(section, k, v)
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90
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91 return baseui
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92
140
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93 def invalidate_cache(name):
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94 from beaker.cache import region_invalidate
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95 if name == 'repo_list_2':
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96 log.info('INVALIDATING CACHE FOR %s', name)
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97 from pylons_app.lib.base import _get_repos
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98 #clear our cached list for refresh with new repo
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99 region_invalidate(_get_repos, None, 'repo_list_2')
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100
136
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101 from vcs.backends.base import BaseChangeset
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102 from vcs.utils.lazy import LazyProperty
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103 class EmptyChangeset(BaseChangeset):
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104
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105 revision = -1
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106
136
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107 @LazyProperty
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108 def raw_id(self):
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109 """
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110 Returns raw string identifing this changeset, useful for web
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111 representation.
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112 """
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113 return '0' * 12
114
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114