Mercurial > libervia-backend
view src/plugins/plugin_merge_req_mercurial.py @ 2503:c0bec8bac2b5
XEP-0329: implementation of File Information Sharing:
the plugin do an implementation for client and component.
For client, any directory from local file can be shared.
For component file are stored using new file handling mechanism from SàT.
Permission is handled, using "public" and "whitelist" for now.
author | Goffi <goffi@goffi.org> |
---|---|
date | Wed, 28 Feb 2018 18:28:39 +0100 |
parents | 0046283a285d |
children | a64887289931 |
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#!/usr/bin/env python2 # -*- coding: utf-8 -*- # SàT plugin for import external blogs # Copyright (C) 2009-2018 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/>. from sat.core.i18n import _, D_ from sat.core.constants import Const as C from sat.core import exceptions from twisted.internet import reactor, defer, protocol from twisted.python.failure import Failure from twisted.python.procutils import which 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: _(u"""Merge request handler for Mercurial""") } SHORT_DESC = D_(u"handle Mercurial repository") class MercurialProtocol(protocol.ProcessProtocol): """handle hg commands""" hg = None def __init__(self, deferred): self._deferred = deferred self.data = [] def outReceived(self, data): self.data.append(data) def errReceived(self, data): self.data.append(data) def processEnded(self, reason): data = u''.join([d.decode('utf-8') for d in self.data]) if (reason.value.exitCode == 0): log.debug(_('Mercurial command succeed')) self._deferred.callback(data) else: log.error(_(u"Can't complete Mercurial command (error code: {code}): {message}").format( code = reason.value.exitCode, message = data)) self._deferred.errback(Failure(RuntimeError)) @classmethod def run(cls, path, command, *args): """Create a new MercurialRegisterProtocol and execute the given mercurialctl command. @param path(unicode): path to the repository @param command(unicode): command to run @param *args(unicode): command arguments @return ((D)): """ d = defer.Deferred() mercurial_prot = MercurialProtocol(d) cmd_args = [cls.hg, command.encode('utf-8')] cmd_args.extend([a.encode('utf-8') for a in args]) reactor.spawnProcess(mercurial_prot, cls.hg, cmd_args, path=path.encode('utf-8')) return d class MercurialHandler(object): def __init__(self, host): log.info(_(u"Mercurial merge request handler initialization")) try: MercurialProtocol.hg = which('hg')[0] except IndexError: raise exceptions.NotFound(_(u"Mercurial executable (hg) not found, can't use Mercurial handler")) self.host = host self._m = host.plugins['MERGE_REQUESTS'] self._m.register('mercurial', self, [u'mercurial_changeset'], SHORT_DESC) def check(self, repository): d = MercurialProtocol.run(repository, 'identify') d.addCallback(lambda dummy: True) d.addErrback(lambda dummy: False) return d def export(self, repository): return MercurialProtocol.run(repository, 'export', '-g', '-r', 'outgoing()', '--encoding=utf-8') 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(_(u'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(u'# '): if line.startswith(u'# User '): elems = line[7:].split() if not elems: continue last = elems[-1] if last.startswith(u'<') and last.endswith(u'>') and u'@' in last: patch[self._m.META_EMAIL] = elems.pop()[1:-1] patch[self._m.META_AUTHOR] = u' '.join(elems) elif line.startswith(u'# Date '): time_data = line[7:].split() if len(time_data) != 2: log.warning(_(u'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(u'# Node ID '): patch[self._m.META_HASH] = line[10:] elif line.startswith(u'# Parent '): patch[self._m.META_PARENT_HASH] = line[10:] else: state = 'commit_msg' if state == 'commit_msg': if line.startswith(u'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(u'# ') or idx == len(lines)-1: # a new patch is starting or we have reached end of patches patch[self._m.META_COMMIT_MSG] = u'\n'.join(commit_msg) patch[self._m.META_DIFF] = u'\n'.join(diff) patches.append(patch) if idx == len(lines)-1: del lines[:] else: del lines[:idx] break else: diff.append(line) return patches