Mercurial > libervia-backend
annotate sat/plugins/plugin_merge_req_mercurial.py @ 3331:b1e9f17fbb5a
comp file sharing: minor core re-organisation
author | Goffi <goffi@goffi.org> |
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date | Thu, 13 Aug 2020 23:46:18 +0200 |
parents | 559a625a236b |
children | e86b71b1aa31 |
rev | line source |
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3028 | 1 #!/usr/bin/env python3 |
3137 | 2 |
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3 |
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4 # SàT plugin for import external blogs |
3136 | 5 # Copyright (C) 2009-2020 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 import re |
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21 from twisted.python.procutils import which |
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22 from sat.tools.common import async_process |
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23 from sat.tools import utils |
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24 from sat.core.i18n import _, D_ |
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25 from sat.core.constants import Const as C |
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26 from sat.core import exceptions |
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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", |
3028 | 38 C.PI_DESCRIPTION: _("""Merge request handler for Mercurial""") |
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39 } |
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40 |
3028 | 41 SHORT_DESC = D_("handle Mercurial repository") |
42 CLEAN_RE = re.compile(r'[^\w -._]', flags=re.UNICODE) | |
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43 |
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44 |
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45 class MercurialProtocol(async_process.CommandProtocol): |
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46 """handle hg commands""" |
3028 | 47 name = "Mercurial" |
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48 command = None |
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49 |
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50 @classmethod |
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51 def run(cls, path, command, *args, **kwargs): |
2620 | 52 """Create a new MercurialRegisterProtocol and execute the given mercurial command. |
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53 |
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54 @param path(unicode): path to the repository |
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55 @param command(unicode): hg command to run |
3040 | 56 @return D(bytes): stdout of the command |
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57 """ |
3028 | 58 assert "path" not in kwargs |
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59 kwargs["path"] = path |
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60 # FIXME: we have to use this workaround because Twisted's protocol.ProcessProtocol |
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61 # is not using new style classes. This can be removed once moved to |
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62 # Python 3 (super can be used normally then). |
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63 d = async_process.CommandProtocol.run.__func__(cls, command, *args, **kwargs) |
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64 d.addErrback(utils.logError) |
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65 return d |
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66 |
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67 |
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68 class MercurialHandler(object): |
3028 | 69 data_types = ('mercurial_changeset',) |
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70 |
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71 def __init__(self, host): |
3028 | 72 log.info(_("Mercurial merge request handler initialization")) |
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73 try: |
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74 MercurialProtocol.command = which('hg')[0] |
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75 except IndexError: |
3028 | 76 raise exceptions.NotFound(_("Mercurial executable (hg) not found, " |
77 "can't use Mercurial handler")) | |
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78 self.host = host |
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79 self._m = host.plugins['MERGE_REQUESTS'] |
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80 self._m.register('mercurial', self, self.data_types, SHORT_DESC) |
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81 |
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82 |
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83 def check(self, repository): |
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84 d = MercurialProtocol.run(repository, 'identify') |
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85 d.addCallback(lambda __: True) |
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86 d.addErrback(lambda __: False) |
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87 return d |
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88 |
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89 def export(self, repository): |
3040 | 90 d = MercurialProtocol.run(repository, 'export', '-g', '-r', 'outgoing()', |
91 '--encoding=utf-8') | |
92 d.addCallback(lambda data: data.decode('utf-8')) | |
93 return d | |
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94 |
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95 def import_(self, repository, data, data_type, item_id, service, node, extra): |
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96 parsed_data = self.parse(data) |
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97 try: |
3028 | 98 parsed_name = parsed_data[0]['commit_msg'].split('\n')[0] |
99 parsed_name = CLEAN_RE.sub('', parsed_name)[:40] | |
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100 except Exception: |
3028 | 101 parsed_name = '' |
102 name = 'mr_{item_id}_{parsed_name}'.format(item_id=CLEAN_RE.sub('', item_id), | |
3040 | 103 parsed_name=parsed_name) |
2620 | 104 return MercurialProtocol.run(repository, 'qimport', '-g', '--name', name, |
105 '--encoding=utf-8', '-', stdin=data) | |
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106 |
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107 def parse(self, data, data_type=None): |
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108 lines = data.splitlines() |
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109 total_lines = len(lines) |
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110 patches = [] |
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111 while lines: |
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112 patch = {} |
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113 commit_msg = [] |
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114 diff = [] |
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115 state = 'init' |
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116 if lines[0] != '# HG changeset patch': |
3028 | 117 raise exceptions.DataError(_('invalid changeset signature')) |
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118 # line index of this patch in the whole data |
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119 patch_idx = total_lines - len(lines) |
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120 del lines[0] |
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121 |
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122 for idx, line in enumerate(lines): |
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123 if state == 'init': |
3028 | 124 if line.startswith('# '): |
125 if line.startswith('# User '): | |
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126 elems = line[7:].split() |
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127 if not elems: |
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128 continue |
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129 last = elems[-1] |
3028 | 130 if (last.startswith('<') and last.endswith('>') |
131 and '@' in last): | |
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132 patch[self._m.META_EMAIL] = elems.pop()[1:-1] |
3028 | 133 patch[self._m.META_AUTHOR] = ' '.join(elems) |
134 elif line.startswith('# Date '): | |
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135 time_data = line[7:].split() |
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136 if len(time_data) != 2: |
3028 | 137 log.warning(_('unexpected time data: {data}') |
2620 | 138 .format(data=line[7:])) |
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139 continue |
2620 | 140 patch[self._m.META_TIMESTAMP] = (int(time_data[0]) |
141 + int(time_data[1])) | |
3028 | 142 elif line.startswith('# Node ID '): |
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143 patch[self._m.META_HASH] = line[10:] |
3028 | 144 elif line.startswith('# Parent '): |
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145 patch[self._m.META_PARENT_HASH] = line[10:] |
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146 else: |
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147 state = 'commit_msg' |
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148 if state == 'commit_msg': |
3028 | 149 if line.startswith('diff --git a/'): |
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150 state = 'diff' |
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151 patch[self._m.META_DIFF_IDX] = patch_idx + idx + 1 |
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152 else: |
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153 commit_msg.append(line) |
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154 if state == 'diff': |
3028 | 155 if line.startswith('# ') or idx == len(lines)-1: |
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156 # a new patch is starting or we have reached end of patches |
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157 if idx == len(lines)-1: |
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158 # end of patches, we need to keep the line |
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159 diff.append(line) |
3028 | 160 patch[self._m.META_COMMIT_MSG] = '\n'.join(commit_msg) |
161 patch[self._m.META_DIFF] = '\n'.join(diff) | |
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162 patches.append(patch) |
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163 if idx == len(lines)-1: |
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164 del lines[:] |
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165 else: |
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166 del lines[:idx] |
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167 break |
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168 else: |
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169 diff.append(line) |
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170 return patches |