Mercurial > libervia-backend
view sat/bridge/bridge_constructor/constructors/dbus/constructor.py @ 2609:75d2ac872965
jp (base): do not crash when item is specified (e.g. in URL) but not needed in command, but display a message on stderr.
author | Goffi <goffi@goffi.org> |
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date | Wed, 06 Jun 2018 19:24:15 +0200 |
parents | 26edcf3a30eb |
children | 56f94936df1e |
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#!/usr/bin/env python2 #-*- coding: utf-8 -*- # SàT: a XMPP client # 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.bridge.bridge_constructor import base_constructor class DbusConstructor(base_constructor.Constructor): NAME = "dbus" CORE_TEMPLATE = "dbus_core_template.py" CORE_DEST = "dbus_bridge.py" CORE_FORMATS = { 'signals': """\ @dbus.service.signal(const_INT_PREFIX+const_{category}_SUFFIX, signature='{sig_in}') def {name}(self, {args}): {body}\n""", 'methods': """\ @dbus.service.method(const_INT_PREFIX+const_{category}_SUFFIX, in_signature='{sig_in}', out_signature='{sig_out}', async_callbacks={async_callbacks}) def {name}(self, {args}{async_comma}{async_args_def}): {debug}return self._callback("{name}", {args_result}{async_comma}{async_args_call})\n""", 'signal_direct_calls': """\ def {name}(self, {args}): self.dbus_bridge.{name}({args})\n""", } FRONTEND_TEMPLATE = "dbus_frontend_template.py" FRONTEND_DEST = CORE_DEST FRONTEND_FORMATS = { 'methods': """\ def {name}(self, {args}{async_comma}{async_args}): {error_handler}{blocking_call}{debug}return {result}\n""", } def core_completion_signal(self, completion, function, default, arg_doc, async_): completion['category'] = completion['category'].upper() completion['body'] = "pass" if not self.args.debug else 'log.debug ("{}")'.format(completion['name']) def core_completion_method(self, completion, function, default, arg_doc, async_): completion.update({ 'debug': "" if not self.args.debug else 'log.debug ("%s")\n%s' % (completion['name'], 8 * ' '), 'args_result': self.getArguments(function['sig_in'], name=arg_doc, unicode_protect=self.args.unicode), 'async_comma': ', ' if async_ and function['sig_in'] else '', 'async_args_def': 'callback=None, errback=None' if async_ else '', 'async_args_call': 'callback=callback, errback=errback' if async_ else '', 'async_callbacks': "('callback', 'errback')" if async_ else "None", 'category': completion['category'].upper(), }) def frontend_completion_method(self, completion, function, default, arg_doc, async_): completion.update({ # XXX: we can manage blocking call in the same way as async one: if callback is None the call will be blocking 'debug': "" if not self.args.debug else 'log.debug ("%s")\n%s' % (completion['name'], 8 * ' '), 'args_result': self.getArguments(function['sig_in'], name=arg_doc), 'async_args': 'callback=None, errback=None', 'async_comma': ', ' if function['sig_in'] else '', 'error_handler': """if callback is None: error_handler = None else: if errback is None: errback = log.error error_handler = lambda err:errback(dbus_to_bridge_exception(err)) """, }) if async_: completion['blocking_call'] = '' completion['async_args_result'] = 'timeout=const_TIMEOUT, reply_handler=callback, error_handler=error_handler' else: # XXX: To have a blocking call, we must have not reply_handler, so we test if callback exists, and add reply_handler only in this case completion['blocking_call'] = """kwargs={} if callback is not None: kwargs['timeout'] = const_TIMEOUT kwargs['reply_handler'] = callback kwargs['error_handler'] = error_handler """ completion['async_args_result'] = '**kwargs' result = "self.db_%(category)s_iface.%(name)s(%(args_result)s%(async_comma)s%(async_args_result)s)" % completion completion['result'] = ("unicode(%s)" if self.args.unicode and function['sig_out'] == 's' else "%s") % result