Mercurial > libervia-backend
view sat/plugins/plugin_merge_req_mercurial.py @ 4011:74d4c9ff893d
plugin XEP-0277: when publisher is not found, check ancestor in both client and component namespaces
author | Goffi <goffi@goffi.org> |
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date | Thu, 16 Mar 2023 16:43:47 +0100 |
parents | e3c1f4736ab2 |
children |
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#!/usr/bin/env python3 # SàT plugin managing Mercurial VCS # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org) # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import re from twisted.python.procutils import which from sat.tools.common import async_process from sat.tools import utils from sat.core.i18n import _, D_ from sat.core.constants import Const as C from sat.core import exceptions from sat.core.log import getLogger log = getLogger(__name__) PLUGIN_INFO = { C.PI_NAME: "Mercurial Merge Request handler", C.PI_IMPORT_NAME: "MERGE_REQUEST_MERCURIAL", C.PI_TYPE: C.PLUG_TYPE_MISC, C.PI_DEPENDENCIES: ["MERGE_REQUESTS"], C.PI_MAIN: "MercurialHandler", C.PI_HANDLER: "no", C.PI_DESCRIPTION: _("""Merge request handler for Mercurial""") } SHORT_DESC = D_("handle Mercurial repository") CLEAN_RE = re.compile(r'[^\w -._]', flags=re.UNICODE) class MercurialProtocol(async_process.CommandProtocol): """handle hg commands""" name = "Mercurial" command = None @classmethod def run(cls, path, command, *args, **kwargs): """Create a new MercurialRegisterProtocol and execute the given mercurial command. @param path(unicode): path to the repository @param command(unicode): hg command to run @return D(bytes): stdout of the command """ assert "path" not in kwargs kwargs["path"] = path # FIXME: we have to use this workaround because Twisted's protocol.ProcessProtocol # is not using new style classes. This can be removed once moved to # Python 3 (super can be used normally then). d = async_process.CommandProtocol.run.__func__(cls, command, *args, **kwargs) d.addErrback(utils.logError) return d class MercurialHandler(object): data_types = ('mercurial_changeset',) def __init__(self, host): log.info(_("Mercurial merge request handler initialization")) try: MercurialProtocol.command = which('hg')[0] except IndexError: raise exceptions.NotFound(_("Mercurial executable (hg) not found, " "can't use Mercurial handler")) self.host = host self._m = host.plugins['MERGE_REQUESTS'] self._m.register('mercurial', self, self.data_types, SHORT_DESC) def check(self, repository): d = MercurialProtocol.run(repository, 'identify') d.addCallback(lambda __: True) d.addErrback(lambda __: False) return d def export(self, repository): d = MercurialProtocol.run( repository, 'export', '-g', '-r', 'outgoing() and ancestors(.)', '--encoding=utf-8' ) d.addCallback(lambda data: data.decode('utf-8')) return d def import_(self, repository, data, data_type, item_id, service, node, extra): parsed_data = self.parse(data) try: parsed_name = parsed_data[0]['commit_msg'].split('\n')[0] parsed_name = CLEAN_RE.sub('', parsed_name)[:40] except Exception: parsed_name = '' name = 'mr_{item_id}_{parsed_name}'.format(item_id=CLEAN_RE.sub('', item_id), parsed_name=parsed_name) return MercurialProtocol.run(repository, 'qimport', '-g', '--name', name, '--encoding=utf-8', '-', stdin=data) def parse(self, data, data_type=None): lines = data.splitlines() total_lines = len(lines) patches = [] while lines: patch = {} commit_msg = [] diff = [] state = 'init' if lines[0] != '# HG changeset patch': raise exceptions.DataError(_('invalid changeset signature')) # line index of this patch in the whole data patch_idx = total_lines - len(lines) del lines[0] for idx, line in enumerate(lines): if state == 'init': if line.startswith('# '): if line.startswith('# User '): elems = line[7:].split() if not elems: continue last = elems[-1] if (last.startswith('<') and last.endswith('>') and '@' in last): patch[self._m.META_EMAIL] = elems.pop()[1:-1] patch[self._m.META_AUTHOR] = ' '.join(elems) elif line.startswith('# Date '): time_data = line[7:].split() if len(time_data) != 2: log.warning(_('unexpected time data: {data}') .format(data=line[7:])) continue patch[self._m.META_TIMESTAMP] = (int(time_data[0]) + int(time_data[1])) elif line.startswith('# Node ID '): patch[self._m.META_HASH] = line[10:] elif line.startswith('# Parent '): patch[self._m.META_PARENT_HASH] = line[10:] else: state = 'commit_msg' if state == 'commit_msg': if line.startswith('diff --git a/'): state = 'diff' patch[self._m.META_DIFF_IDX] = patch_idx + idx + 1 else: commit_msg.append(line) if state == 'diff': if line.startswith('# ') or idx == len(lines)-1: # a new patch is starting or we have reached end of patches if idx == len(lines)-1: # end of patches, we need to keep the line diff.append(line) patch[self._m.META_COMMIT_MSG] = '\n'.join(commit_msg) patch[self._m.META_DIFF] = '\n'.join(diff) patches.append(patch) if idx == len(lines)-1: del lines[:] else: del lines[:idx] break else: diff.append(line) return patches