Mercurial > libervia-backend

annotate sat/plugins/plugin_merge_req_mercurial.py @ 2617:81b70eeb710f

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quick_frontend(contact list): refactored update: update is now called with appropriate constant value (C.UPDATE_ADD, C.UPDATE_DELETE, C.UPDATE_MODIFY and so on) when a widget change visibility according to current options. Before it was linked to cache only (C.UPDATE_ADD was only called when contact was first added to cache). This make widget handling in frontends more easy. Renamed entityToShow to entityVisible, which seems to correspond better. Started reducing lines lenght to 90 chars as a test. May become the new coding style soon.
author Goffi <goffi@goffi.org>
date Sun, 24 Jun 2018 21:59:29 +0200
parents 26edcf3a30eb
children 72f6f37ab648
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SàT plugin for import external blogs
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5 # Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from sat.core.i18n import _, D_
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21 from sat.core.constants import Const as C
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22 from sat.core import exceptions
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23 from twisted.internet import reactor, defer, protocol
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24 from twisted.python.failure import Failure
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25 from twisted.python.procutils import which
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26 import re
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27 from sat.core.log import getLogger
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28 log = getLogger(__name__)
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29
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30
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31 PLUGIN_INFO = {
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32 C.PI_NAME: "Mercurial Merge Request handler",
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33 C.PI_IMPORT_NAME: "MERGE_REQUEST_MERCURIAL",
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34 C.PI_TYPE: C.PLUG_TYPE_MISC,
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35 C.PI_DEPENDENCIES: ["MERGE_REQUESTS"],
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36 C.PI_MAIN: "MercurialHandler",
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37 C.PI_HANDLER: "no",
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38 C.PI_DESCRIPTION: _(u"""Merge request handler for Mercurial""")
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39 }
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40
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41 SHORT_DESC = D_(u"handle Mercurial repository")
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42
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43
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44 class MercurialProtocol(protocol.ProcessProtocol):
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45 """handle hg commands"""
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46 hg = None
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47
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48 def __init__(self, deferred, stdin=None):
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49 """
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50 @param deferred(defer.Deferred): will be called when command is completed
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51 @param stdin(str, None): if not None, will be push to standard input
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52 """
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53 self._stdin = stdin
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54 self._deferred = deferred
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55 self.data = []
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56
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57 def connectionMade(self):
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58 if self._stdin is not None:
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59 self.transport.write(self._stdin)
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60 self.transport.closeStdin()
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61
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62 def outReceived(self, data):
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63 self.data.append(data)
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64
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65 def errReceived(self, data):
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66 self.data.append(data)
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67
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68 def processEnded(self, reason):
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69 data = u''.join([d.decode('utf-8') for d in self.data])
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70 if (reason.value.exitCode == 0):
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71 log.debug(_('Mercurial command succeed'))
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72 self._deferred.callback(data)
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73 else:
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74 msg = _(u"Can't complete Mercurial command (error code: {code}): {message}").format(
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75 code = reason.value.exitCode,
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76 message = data)
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77 log.warning(msg)
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78 self._deferred.errback(Failure(RuntimeError(msg)))
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79
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80 @classmethod
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81 def run(cls, path, command, *args, **kwargs):
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82 """Create a new MercurialRegisterProtocol and execute the given mercurialctl command.
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83
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84 @param path(unicode): path to the repository
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85 @param command(unicode): command to run
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86 @param *args(unicode): command arguments
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87 @param **kwargs: used because Python2 doesn't handle normal kw args after *args
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88 can only be:
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89 - stdin(unicode, None): data to push to standard input
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90 @return ((D)):
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91 """
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92 stdin = kwargs.pop('stdin', None)
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93 if kwargs:
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94 raise exceptions.InternalError(u'only stdin is allowed as keyword argument')
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95 if stdin is not None:
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96 stdin = stdin.encode('utf-8')
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97 d = defer.Deferred()
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98 mercurial_prot = MercurialProtocol(d, stdin=stdin)
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99 cmd_args = [cls.hg, command.encode('utf-8')]
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100 cmd_args.extend([a.encode('utf-8') for a in args])
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101 reactor.spawnProcess(mercurial_prot,
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102 cls.hg,
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103 cmd_args,
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104 path=path.encode('utf-8'))
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105 return d
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106
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107
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108 class MercurialHandler(object):
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109 data_types = (u'mercurial_changeset',)
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110
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111 def __init__(self, host):
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112 log.info(_(u"Mercurial merge request handler initialization"))
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113 try:
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114 MercurialProtocol.hg = which('hg')[0]
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115 except IndexError:
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116 raise exceptions.NotFound(_(u"Mercurial executable (hg) not found, can't use Mercurial handler"))
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117 self.host = host
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118 self._m = host.plugins['MERGE_REQUESTS']
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119 self._m.register('mercurial', self, self.data_types, SHORT_DESC)
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120
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121 def check(self, repository):
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122 d = MercurialProtocol.run(repository, 'identify')
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123 d.addCallback(lambda dummy: True)
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124 d.addErrback(lambda dummy: False)
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125 return d
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126
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127 def export(self, repository):
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128 return MercurialProtocol.run(repository, 'export', '-g', '-r', 'outgoing()', '--encoding=utf-8')
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129
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130 def import_(self, repository, data, data_type, item_id, service, node, extra):
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131 parsed_data = self.parse(data)
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132 try:
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133 parsed_name = parsed_data[0][u'commit_msg'].split(u'\n')[0]
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134 parsed_name = re.sub(ur'[^\w -.]', u'', parsed_name, flags=re.UNICODE)[:40]
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135 except Exception:
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136 parsed_name = u''
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137 name = u'mr_{item_id}_{parsed_name}'.format(item_id=item_id, parsed_name=parsed_name)
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138 return MercurialProtocol.run(repository, 'qimport', '-g', '--name', name, '--encoding=utf-8', '-', stdin=data)
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139
2449
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140 def parse(self, data, data_type=None):
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141 lines = data.splitlines()
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142 total_lines = len(lines)
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143 patches = []
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144 while lines:
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145 patch = {}
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146 commit_msg = []
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147 diff = []
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148 state = 'init'
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149 if lines[0] != '# HG changeset patch':
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150 raise exceptions.DataError(_(u'invalid changeset signature'))
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151 # line index of this patch in the whole data
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152 patch_idx = total_lines - len(lines)
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153 del lines[0]
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154
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155 for idx, line in enumerate(lines):
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156 if state == 'init':
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157 if line.startswith(u'# '):
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158 if line.startswith(u'# User '):
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159 elems = line[7:].split()
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160 if not elems:
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161 continue
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162 last = elems[-1]
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163 if last.startswith(u'<') and last.endswith(u'>') and u'@' in last:
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164 patch[self._m.META_EMAIL] = elems.pop()[1:-1]
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165 patch[self._m.META_AUTHOR] = u' '.join(elems)
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166 elif line.startswith(u'# Date '):
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167 time_data = line[7:].split()
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168 if len(time_data) != 2:
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169 log.warning(_(u'unexpected time data: {data}').format(data=line[7:]))
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170 continue
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171 patch[self._m.META_TIMESTAMP] = int(time_data[0]) + int(time_data[1])
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172 elif line.startswith(u'# Node ID '):
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173 patch[self._m.META_HASH] = line[10:]
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174 elif line.startswith(u'# Parent '):
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175 patch[self._m.META_PARENT_HASH] = line[10:]
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176 else:
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177 state = 'commit_msg'
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178 if state == 'commit_msg':
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179 if line.startswith(u'diff --git a/'):
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180 state = 'diff'
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181 patch[self._m.META_DIFF_IDX] = patch_idx + idx + 1
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182 else:
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183 commit_msg.append(line)
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184 if state == 'diff':
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185 if line.startswith(u'# ') or idx == len(lines)-1:
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186 # a new patch is starting or we have reached end of patches
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187 patch[self._m.META_COMMIT_MSG] = u'\n'.join(commit_msg)
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188 patch[self._m.META_DIFF] = u'\n'.join(diff)
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189 patches.append(patch)
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190 if idx == len(lines)-1:
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191 del lines[:]
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192 else:
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193 del lines[:idx]
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194 break
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195 else:
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196 diff.append(line)
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197 return patches