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annotate pylons_app/controllers/files.py @ 252:3782a6d698af

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licensing updates, code cleanups
author Marcin Kuzminski <marcin@python-works.com>
date Fri, 04 Jun 2010 13:08:29 +0200
parents a83a1799480c
children c3661cf28bec
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rev   line source
252
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1 #!/usr/bin/env python
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2 # encoding: utf-8
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3 # files controller for pylons
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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 Created on April 21, 2010
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22 files controller for pylons
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23 @author: marcink
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24 """
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25 from mercurial import archival
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26 from pylons import request, response, session, tmpl_context as c, url
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27 from pylons_app.lib.auth import LoginRequired
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28 from pylons_app.lib.base import BaseController, render
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29 from pylons_app.model.hg_model import HgModel
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30 from vcs.exceptions import RepositoryError, ChangesetError
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31 from vcs.utils import diffs as differ
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32 import logging
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33 import tempfile
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34
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35
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36 log = logging.getLogger(__name__)
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37
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38 class FilesController(BaseController):
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39
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40 @LoginRequired()
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41 def __before__(self):
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42 super(FilesController, self).__before__()
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43
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44 def index(self, repo_name, revision, f_path):
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45 hg_model = HgModel()
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46 c.repo = repo = hg_model.get_repo(c.repo_name)
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47 revision = request.POST.get('at_rev', None) or revision
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48
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49 def get_next_rev(cur):
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50 max_rev = len(c.repo.revisions) - 1
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51 r = cur + 1
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52 if r > max_rev:
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53 r = max_rev
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54 return r
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55
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56 def get_prev_rev(cur):
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57 r = cur - 1
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58 return r
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59
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60 c.f_path = f_path
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61
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62
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63 try:
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64 cur_rev = repo.get_changeset(revision).revision
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65 prev_rev = repo.get_changeset(get_prev_rev(cur_rev)).raw_id
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66 next_rev = repo.get_changeset(get_next_rev(cur_rev)).raw_id
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67
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68 c.url_prev = url('files_home', repo_name=c.repo_name,
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69 revision=prev_rev, f_path=f_path)
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70 c.url_next = url('files_home', repo_name=c.repo_name,
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71 revision=next_rev, f_path=f_path)
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72
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73 c.changeset = repo.get_changeset(revision)
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74 try:
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75 c.file_msg = c.changeset.get_file_message(f_path)
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76 except:
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77 c.file_msg = None
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78
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79 c.cur_rev = c.changeset.raw_id
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80 c.rev_nr = c.changeset.revision
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81 c.files_list = c.changeset.get_node(f_path)
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82 c.file_history = self._get_history(repo, c.files_list, f_path)
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83
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84 except (RepositoryError, ChangesetError):
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85 c.files_list = None
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86
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87 return render('files/files.html')
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88
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89 def rawfile(self, repo_name, revision, f_path):
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90 hg_model = HgModel()
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91 c.repo = hg_model.get_repo(c.repo_name)
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92 file_node = c.repo.get_changeset(revision).get_node(f_path)
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93 response.content_type = file_node.mimetype
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94 response.content_disposition = 'attachment; filename=%s' \
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95 % f_path.split('/')[-1]
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96 return file_node.content
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97
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98 def annotate(self, repo_name, revision, f_path):
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99 hg_model = HgModel()
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100 c.repo = hg_model.get_repo(c.repo_name)
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101 cs = c.repo.get_changeset(revision)
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102 c.file = cs.get_node(f_path)
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103 c.file_msg = cs.get_file_message(f_path)
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104 c.cur_rev = cs.raw_id
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105 c.f_path = f_path
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106 c.annotate = cs.get_file_annotate(f_path)
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107 return render('files/files_annotate.html')
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108
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109 def archivefile(self, repo_name, revision, fileformat):
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110 archive_specs = {
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111 '.tar.bz2': ('application/x-tar', 'tbz2'),
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112 '.tar.gz': ('application/x-tar', 'tgz'),
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113 '.zip': ('application/zip', 'zip'),
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114 }
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115 if not archive_specs.has_key(fileformat):
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116 return 'Unknown archive type %s' % fileformat
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117
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118 def read_in_chunks(file_object, chunk_size=1024 * 40):
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119 """Lazy function (generator) to read a file piece by piece.
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120 Default chunk size: 40k."""
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121 while True:
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122 data = file_object.read(chunk_size)
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123 if not data:
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124 break
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125 yield data
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126
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127 archive = tempfile.TemporaryFile()
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128 repo = HgModel().get_repo(repo_name).repo
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129 fname = '%s-%s%s' % (repo_name, revision, fileformat)
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130 archival.archive(repo, archive, revision, archive_specs[fileformat][1],
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131 prefix='%s-%s' % (repo_name, revision))
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132 response.content_type = archive_specs[fileformat][0]
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133 response.content_disposition = 'attachment; filename=%s' % fname
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134 archive.seek(0)
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135 return read_in_chunks(archive)
149
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136
129
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137 def diff(self, repo_name, f_path):
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138 hg_model = HgModel()
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139 diff1 = request.GET.get('diff1')
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140 diff2 = request.GET.get('diff2')
160
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141 c.action = action = request.GET.get('diff')
131
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142 c.no_changes = diff1 == diff2
129
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143 c.f_path = f_path
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144 c.repo = hg_model.get_repo(c.repo_name)
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145 c.changeset_1 = c.repo.get_changeset(diff1)
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146 c.changeset_2 = c.repo.get_changeset(diff2)
152
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147
129
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148 c.diff1 = 'r%s:%s' % (c.changeset_1.revision, c.changeset_1._short)
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149 c.diff2 = 'r%s:%s' % (c.changeset_2.revision, c.changeset_2._short)
158
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150 f_udiff = differ.get_udiff(c.changeset_1.get_node(f_path),
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151 c.changeset_2.get_node(f_path))
160
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152
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153 diff = differ.DiffProcessor(f_udiff)
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154
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155 if action == 'download':
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156 diff_name = '%s_vs_%s.diff' % (diff1, diff2)
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157 response.content_type = 'text/plain'
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158 response.content_disposition = 'attachment; filename=%s' \
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159 % diff_name
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160 return diff.raw_diff()
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161
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162 elif action == 'raw':
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163 c.cur_diff = '<pre class="raw">%s</pre>' % diff.raw_diff()
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164 elif action == 'diff':
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165 c.cur_diff = diff.as_html()
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166
129
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167 return render('files/file_diff.html')
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168
128
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169 def _get_history(self, repo, node, f_path):
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170 from vcs.nodes import NodeKind
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171 if not node.kind is NodeKind.FILE:
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172 return []
129
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173 changesets = node.history
128
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174 hist_l = []
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175 for chs in changesets:
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176 n_desc = 'r%s:%s' % (chs.revision, chs._short)
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177 hist_l.append((chs._short, n_desc,))
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178 return hist_l