Mercurial > libervia-backend
annotate libervia/backend/plugins/plugin_merge_req_mercurial.py @ 4226:3f7ca590a5da
cli (pubsub): use `PEP` when service is not specified in error message.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Tue, 05 Mar 2024 17:31:56 +0100 |
| parents | 4b842c1fb686 |
| children | 0d7bb4df2343 |
| rev | line source |
|---|---|
| 3028 | 1 #!/usr/bin/env python3 |
| 3137 | 2 |
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3 # SàT plugin managing Mercurial VCS |
| 3479 | 4 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org) |
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5 |
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6 # This program is free software: you can redistribute it and/or modify |
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7 # it under the terms of the GNU Affero General Public License as published by |
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8 # the Free Software Foundation, either version 3 of the License, or |
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9 # (at your option) any later version. |
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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 Affero 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 Affero General Public License |
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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18 |
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19 import re |
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20 from twisted.python.procutils import which |
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21 from libervia.backend.tools.common import async_process |
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22 from libervia.backend.tools import utils |
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23 from libervia.backend.core.i18n import _, D_ |
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24 from libervia.backend.core.constants import Const as C |
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25 from libervia.backend.core import exceptions |
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26 from libervia.backend.core.log import getLogger |
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27 log = getLogger(__name__) |
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28 |
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29 |
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30 PLUGIN_INFO = { |
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31 C.PI_NAME: "Mercurial Merge Request handler", |
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32 C.PI_IMPORT_NAME: "MERGE_REQUEST_MERCURIAL", |
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33 C.PI_TYPE: C.PLUG_TYPE_MISC, |
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34 C.PI_DEPENDENCIES: ["MERGE_REQUESTS"], |
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35 C.PI_MAIN: "MercurialHandler", |
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36 C.PI_HANDLER: "no", |
| 3028 | 37 C.PI_DESCRIPTION: _("""Merge request handler for Mercurial""") |
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38 } |
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39 |
| 3028 | 40 SHORT_DESC = D_("handle Mercurial repository") |
| 41 CLEAN_RE = re.compile(r'[^\w -._]', flags=re.UNICODE) | |
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42 |
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43 |
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44 class MercurialProtocol(async_process.CommandProtocol): |
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45 """handle hg commands""" |
| 3028 | 46 name = "Mercurial" |
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47 command = None |
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48 |
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49 @classmethod |
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50 def run(cls, path, command, *args, **kwargs): |
| 2620 | 51 """Create a new MercurialRegisterProtocol and execute the given mercurial command. |
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52 |
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53 @param path(unicode): path to the repository |
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54 @param command(unicode): hg command to run |
| 3040 | 55 @return D(bytes): stdout of the command |
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56 """ |
| 3028 | 57 assert "path" not in kwargs |
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58 kwargs["path"] = path |
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59 # FIXME: we have to use this workaround because Twisted's protocol.ProcessProtocol |
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60 # is not using new style classes. This can be removed once moved to |
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61 # Python 3 (super can be used normally then). |
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62 d = async_process.CommandProtocol.run.__func__(cls, command, *args, **kwargs) |
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63 d.addErrback(utils.logError) |
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64 return d |
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65 |
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66 |
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67 class MercurialHandler(object): |
| 3028 | 68 data_types = ('mercurial_changeset',) |
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69 |
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70 def __init__(self, host): |
| 3028 | 71 log.info(_("Mercurial merge request handler initialization")) |
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72 try: |
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73 MercurialProtocol.command = which('hg')[0] |
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74 except IndexError: |
| 3028 | 75 raise exceptions.NotFound(_("Mercurial executable (hg) not found, " |
| 76 "can't use Mercurial handler")) | |
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77 self.host = host |
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78 self._m = host.plugins['MERGE_REQUESTS'] |
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79 self._m.register('mercurial', self, self.data_types, SHORT_DESC) |
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80 |
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81 |
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82 def check(self, repository): |
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83 d = MercurialProtocol.run(repository, 'identify') |
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84 d.addCallback(lambda __: True) |
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85 d.addErrback(lambda __: False) |
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86 return d |
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87 |
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88 def export(self, repository): |
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89 d = MercurialProtocol.run( |
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90 repository, 'export', '-g', '-r', 'outgoing() and ancestors(.)', |
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91 '--encoding=utf-8' |
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92 ) |
| 3040 | 93 d.addCallback(lambda data: data.decode('utf-8')) |
| 94 return d | |
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95 |
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96 def import_(self, repository, data, data_type, item_id, service, node, extra): |
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97 parsed_data = self.parse(data) |
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98 try: |
| 3028 | 99 parsed_name = parsed_data[0]['commit_msg'].split('\n')[0] |
| 100 parsed_name = CLEAN_RE.sub('', parsed_name)[:40] | |
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101 except Exception: |
| 3028 | 102 parsed_name = '' |
| 103 name = 'mr_{item_id}_{parsed_name}'.format(item_id=CLEAN_RE.sub('', item_id), | |
| 3040 | 104 parsed_name=parsed_name) |
| 2620 | 105 return MercurialProtocol.run(repository, 'qimport', '-g', '--name', name, |
| 106 '--encoding=utf-8', '-', stdin=data) | |
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107 |
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108 def parse(self, data, data_type=None): |
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109 lines = data.splitlines() |
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110 total_lines = len(lines) |
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111 patches = [] |
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112 while lines: |
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113 patch = {} |
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114 commit_msg = [] |
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115 diff = [] |
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116 state = 'init' |
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117 if lines[0] != '# HG changeset patch': |
| 3028 | 118 raise exceptions.DataError(_('invalid changeset signature')) |
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119 # line index of this patch in the whole data |
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120 patch_idx = total_lines - len(lines) |
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121 del lines[0] |
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122 |
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123 for idx, line in enumerate(lines): |
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124 if state == 'init': |
| 3028 | 125 if line.startswith('# '): |
| 126 if line.startswith('# User '): | |
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127 elems = line[7:].split() |
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128 if not elems: |
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129 continue |
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130 last = elems[-1] |
| 3028 | 131 if (last.startswith('<') and last.endswith('>') |
| 132 and '@' in last): | |
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133 patch[self._m.META_EMAIL] = elems.pop()[1:-1] |
| 3028 | 134 patch[self._m.META_AUTHOR] = ' '.join(elems) |
| 135 elif line.startswith('# Date '): | |
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136 time_data = line[7:].split() |
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137 if len(time_data) != 2: |
| 3028 | 138 log.warning(_('unexpected time data: {data}') |
| 2620 | 139 .format(data=line[7:])) |
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140 continue |
| 2620 | 141 patch[self._m.META_TIMESTAMP] = (int(time_data[0]) |
| 142 + int(time_data[1])) | |
| 3028 | 143 elif line.startswith('# Node ID '): |
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144 patch[self._m.META_HASH] = line[10:] |
| 3028 | 145 elif line.startswith('# Parent '): |
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146 patch[self._m.META_PARENT_HASH] = line[10:] |
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147 else: |
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148 state = 'commit_msg' |
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149 if state == 'commit_msg': |
| 3028 | 150 if line.startswith('diff --git a/'): |
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151 state = 'diff' |
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152 patch[self._m.META_DIFF_IDX] = patch_idx + idx + 1 |
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153 else: |
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154 commit_msg.append(line) |
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155 if state == 'diff': |
| 3028 | 156 if line.startswith('# ') or idx == len(lines)-1: |
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157 # a new patch is starting or we have reached end of patches |
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158 if idx == len(lines)-1: |
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159 # end of patches, we need to keep the line |
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160 diff.append(line) |
| 3028 | 161 patch[self._m.META_COMMIT_MSG] = '\n'.join(commit_msg) |
| 162 patch[self._m.META_DIFF] = '\n'.join(diff) | |
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163 patches.append(patch) |
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164 if idx == len(lines)-1: |
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165 del lines[:] |
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166 else: |
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167 del lines[:idx] |
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168 break |
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169 else: |
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170 diff.append(line) |
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171 return patches |