Mercurial > libervia-backend
view sat/bridge/bridge_constructor/constructors/dbus/constructor.py @ 3527:bbf92ef05f38
plugin XEP-0166, XEP-0234: better management of `terminate`:
- new `text` argument to specify human readable reason of termination
- handling of `FirstError` (used when a error happens in a DeferredList)
- handling of `StanzaError`
- (XEP-0234): show human readable text of the reason if present
author | Goffi <goffi@goffi.org> |
---|---|
date | Wed, 05 May 2021 15:37:33 +0200 |
parents | 7550ae9cfbac |
children | 60d3861e5996 |
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#!/usr/bin/env python3 # Libervia: an XMPP client # 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/>. 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""", "async_methods": """\ def {name}(self{async_comma}{args}): loop = asyncio.get_running_loop() fut = loop.create_future() reply_handler = lambda ret=None: loop.call_soon_threadsafe(fut.set_result, ret) error_handler = lambda err: loop.call_soon_threadsafe(fut.set_exception, dbus_to_bridge_exception(err)) self.db_{category}_iface.{name}({args_result}{async_comma}timeout=const_TIMEOUT, reply_handler=reply_handler, error_handler=error_handler) {debug}return fut\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"] = ( "str(%s)" if self.args.unicode and function["sig_out"] == "s" else "%s" ) % result