libervia-backend: sat/bridge/bridge_constructor/constructors/dbus/dbus_core

annotate sat/bridge/bridge_constructor/constructors/dbus/dbus_core_template.py @ 3539:60d3861e5996

bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Due to recent SQLAlchemy integration, Libervia is now using AsyncIO loop exclusively as main loop, thus GLib's one can't be used anymore (event if it could be in a separate thread). Furthermore Python-DBus is known to have design flaws mentioned even in the official documentation. Tx DBus is now used to replace Python-DBus, but only for the backend for now, as it will need some work on the frontend before we can get completely rid of it.

author	Goffi <goffi@goffi.org>
date	Thu, 03 Jun 2021 15:21:43 +0200
parents	7550ae9cfbac
children	524856bd7b19

rev	line source
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2771 diff changeset	1 #!/usr/bin/env python3
3137 559a625a236b fixed shebangs Goffi <goffi@goffi.org> parents: 3136 diff changeset	2
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	3 # Libervia communication bridge
3479 be6d91572633 date update Goffi <goffi@goffi.org> parents: 3143 diff changeset	4 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
267 bdcd535e179e Bridge constructor: Goffi <goffi@goffi.org> parents: diff changeset	5
609 84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 595 diff changeset	6 # This program is free software: you can redistribute it and/or modify
84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 595 diff changeset	7 # it under the terms of the GNU Affero General Public License as published by
84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 595 diff changeset	8 # the Free Software Foundation, either version 3 of the License, or
84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 595 diff changeset	9 # (at your option) any later version.
267 bdcd535e179e Bridge constructor: Goffi <goffi@goffi.org> parents: diff changeset	10
609 84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 595 diff changeset	11 # This program is distributed in the hope that it will be useful,
84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 595 diff changeset	12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 595 diff changeset	13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 595 diff changeset	14 # GNU Affero General Public License for more details.
267 bdcd535e179e Bridge constructor: Goffi <goffi@goffi.org> parents: diff changeset	15
609 84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 595 diff changeset	16 # You should have received a copy of the GNU Affero General Public License
84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 595 diff changeset	17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
267 bdcd535e179e Bridge constructor: Goffi <goffi@goffi.org> parents: diff changeset	18
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	19 from types import MethodType
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	20 from functools import partialmethod
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	21 from twisted.internet import defer, reactor
993 301b342c697a core: use of the new core.log module: Goffi <goffi@goffi.org> parents: 811 diff changeset	22 from sat.core.i18n import _
301b342c697a core: use of the new core.log module: Goffi <goffi@goffi.org> parents: 811 diff changeset	23 from sat.core.log import getLogger
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	24 from sat.core.exceptions import BridgeInitError
3143 830fce0db15d bridge (dbus): new `bridge_dbus_int_prefix` option (in `[DEFAULT]` settings) to change interface prefix Goffi <goffi@goffi.org> parents: 3137 diff changeset	25 from sat.tools import config
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	26 from txdbus import client, objects, error
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	27 from txdbus.interface import DBusInterface, Method, Signal
267 bdcd535e179e Bridge constructor: Goffi <goffi@goffi.org> parents: diff changeset	28
3143 830fce0db15d bridge (dbus): new `bridge_dbus_int_prefix` option (in `[DEFAULT]` settings) to change interface prefix Goffi <goffi@goffi.org> parents: 3137 diff changeset	29
830fce0db15d bridge (dbus): new `bridge_dbus_int_prefix` option (in `[DEFAULT]` settings) to change interface prefix Goffi <goffi@goffi.org> parents: 3137 diff changeset	30 log = getLogger(__name__)
830fce0db15d bridge (dbus): new `bridge_dbus_int_prefix` option (in `[DEFAULT]` settings) to change interface prefix Goffi <goffi@goffi.org> parents: 3137 diff changeset	31
830fce0db15d bridge (dbus): new `bridge_dbus_int_prefix` option (in `[DEFAULT]` settings) to change interface prefix Goffi <goffi@goffi.org> parents: 3137 diff changeset	32 # Interface prefix
830fce0db15d bridge (dbus): new `bridge_dbus_int_prefix` option (in `[DEFAULT]` settings) to change interface prefix Goffi <goffi@goffi.org> parents: 3137 diff changeset	33 const_INT_PREFIX = config.getConfig(
830fce0db15d bridge (dbus): new `bridge_dbus_int_prefix` option (in `[DEFAULT]` settings) to change interface prefix Goffi <goffi@goffi.org> parents: 3137 diff changeset	34 config.parseMainConf(),
830fce0db15d bridge (dbus): new `bridge_dbus_int_prefix` option (in `[DEFAULT]` settings) to change interface prefix Goffi <goffi@goffi.org> parents: 3137 diff changeset	35 "",
830fce0db15d bridge (dbus): new `bridge_dbus_int_prefix` option (in `[DEFAULT]` settings) to change interface prefix Goffi <goffi@goffi.org> parents: 3137 diff changeset	36 "bridge_dbus_int_prefix",
3480 7550ae9cfbac Renamed the project from "Salut à Toi" to "Libervia": Goffi <goffi@goffi.org> parents: 3479 diff changeset	37 "org.libervia.Libervia")
595 1f160467f5de Fix pep8 support in src/bridge. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 587 diff changeset	38 const_ERROR_PREFIX = const_INT_PREFIX + ".error"
3480 7550ae9cfbac Renamed the project from "Salut à Toi" to "Libervia": Goffi <goffi@goffi.org> parents: 3479 diff changeset	39 const_OBJ_PATH = "/org/libervia/Libervia/bridge"
371 3ea41a199b36 bridge refactoring: categories are now core and plugin instead of communication and request Goffi <goffi@goffi.org> parents: 359 diff changeset	40 const_CORE_SUFFIX = ".core"
3ea41a199b36 bridge refactoring: categories are now core and plugin instead of communication and request Goffi <goffi@goffi.org> parents: 359 diff changeset	41 const_PLUGIN_SUFFIX = ".plugin"
267 bdcd535e179e Bridge constructor: Goffi <goffi@goffi.org> parents: diff changeset	42
595 1f160467f5de Fix pep8 support in src/bridge. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 587 diff changeset	43
477 031b0e0aaab8 plugin groupblog: subscriptions/notifications Goffi <goffi@goffi.org> parents: 469 diff changeset	44 class ParseError(Exception):
031b0e0aaab8 plugin groupblog: subscriptions/notifications Goffi <goffi@goffi.org> parents: 469 diff changeset	45 pass
031b0e0aaab8 plugin groupblog: subscriptions/notifications Goffi <goffi@goffi.org> parents: 469 diff changeset	46
595 1f160467f5de Fix pep8 support in src/bridge. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 587 diff changeset	47
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	48 class DBusException(Exception):
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	49 pass
423 6c20c76abdcc backend: - bridge async D-Bus method now automatically manage callback and errback, we just have to return a deferred Goffi <goffi@goffi.org> parents: 419 diff changeset	50
595 1f160467f5de Fix pep8 support in src/bridge. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 587 diff changeset	51
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	52 class MethodNotRegistered(DBusException):
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	53 dbusErrorName = const_ERROR_PREFIX + ".MethodNotRegistered"
423 6c20c76abdcc backend: - bridge async D-Bus method now automatically manage callback and errback, we just have to return a deferred Goffi <goffi@goffi.org> parents: 419 diff changeset	54
595 1f160467f5de Fix pep8 support in src/bridge. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 587 diff changeset	55
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	56 class GenericException(DBusException):
423 6c20c76abdcc backend: - bridge async D-Bus method now automatically manage callback and errback, we just have to return a deferred Goffi <goffi@goffi.org> parents: 419 diff changeset	57 def __init__(self, twisted_error):
1073 f094583732de bridge: DBusException also transports the twisted failure condition souliane <souliane@mailoo.org> parents: 1062 diff changeset	58 """
f094583732de bridge: DBusException also transports the twisted failure condition souliane <souliane@mailoo.org> parents: 1062 diff changeset	59
f094583732de bridge: DBusException also transports the twisted failure condition souliane <souliane@mailoo.org> parents: 1062 diff changeset	60 @param twisted_error (Failure): instance of twisted Failure
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	61 error message is used to store a repr of message and condition in a tuple,
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	62 so it can be evaluated by the frontend bridge.
1073 f094583732de bridge: DBusException also transports the twisted failure condition souliane <souliane@mailoo.org> parents: 1062 diff changeset	63 """
751 1def5b7edf9f core, bridge: better GenericException handling Goffi <goffi@goffi.org> parents: 627 diff changeset	64 try:
1def5b7edf9f core, bridge: better GenericException handling Goffi <goffi@goffi.org> parents: 627 diff changeset	65 # twisted_error.value is a class
1062 95758ef3faa8 bridge: async failures are more detailed (full class name + error message) souliane <souliane@mailoo.org> parents: 993 diff changeset	66 class_ = twisted_error.value().__class__
751 1def5b7edf9f core, bridge: better GenericException handling Goffi <goffi@goffi.org> parents: 627 diff changeset	67 except TypeError:
1def5b7edf9f core, bridge: better GenericException handling Goffi <goffi@goffi.org> parents: 627 diff changeset	68 # twisted_error.value is an instance
1062 95758ef3faa8 bridge: async failures are more detailed (full class name + error message) souliane <souliane@mailoo.org> parents: 993 diff changeset	69 class_ = twisted_error.value.__class__
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	70 data = twisted_error.getErrorMessage()
1073 f094583732de bridge: DBusException also transports the twisted failure condition souliane <souliane@mailoo.org> parents: 1062 diff changeset	71 try:
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	72 data = (data, twisted_error.value.condition)
1073 f094583732de bridge: DBusException also transports the twisted failure condition souliane <souliane@mailoo.org> parents: 1062 diff changeset	73 except AttributeError:
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	74 data = (data,)
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	75 else:
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	76 data = (str(twisted_error),)
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	77 self.dbusErrorName = ".".join(
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	78 (const_ERROR_PREFIX, class_.__module__, class_.__name__)
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	79 )
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	80 super(GenericException, self).__init__(repr(data))
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	81
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	82 @classmethod
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	83 def create_and_raise(cls, exc):
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	84 raise cls(exc)
595 1f160467f5de Fix pep8 support in src/bridge. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 587 diff changeset	85
419 6c167a2e04b8 bridge: added generic D-Bus exception management + asyncCreateProfile method Goffi <goffi@goffi.org> parents: 371 diff changeset	86
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	87 class DBusObject(objects.DBusObject):
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	88
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	89 core_iface = DBusInterface(
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	90 const_INT_PREFIX + const_CORE_SUFFIX,
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	91 ##METHODS_DECLARATIONS_PART##
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	92 ##SIGNALS_DECLARATIONS_PART##
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	93 )
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	94 plugin_iface = DBusInterface(
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	95 const_INT_PREFIX + const_PLUGIN_SUFFIX
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	96 )
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	97
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	98 dbusInterfaces = [core_iface, plugin_iface]
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	99
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	100 def __init__(self, path):
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	101 super().__init__(path)
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	102 log.debug("Init DBusObject...")
595 1f160467f5de Fix pep8 support in src/bridge. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 587 diff changeset	103 self.cb = {}
267 bdcd535e179e Bridge constructor: Goffi <goffi@goffi.org> parents: diff changeset	104
2086 4633cfcbcccb bridge (D-Bus): bad design fixes: Goffi <goffi@goffi.org> parents: 2085 diff changeset	105 def register_method(self, name, cb):
595 1f160467f5de Fix pep8 support in src/bridge. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 587 diff changeset	106 self.cb[name] = cb
267 bdcd535e179e Bridge constructor: Goffi <goffi@goffi.org> parents: diff changeset	107
423 6c20c76abdcc backend: - bridge async D-Bus method now automatically manage callback and errback, we just have to return a deferred Goffi <goffi@goffi.org> parents: 419 diff changeset	108 def _callback(self, name, args, *kwargs):
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	109 """Call the callback if it exists, raise an exception else"""
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	110 try:
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	111 cb = self.cb[name]
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	112 except KeyError:
423 6c20c76abdcc backend: - bridge async D-Bus method now automatically manage callback and errback, we just have to return a deferred Goffi <goffi@goffi.org> parents: 419 diff changeset	113 raise MethodNotRegistered
6c20c76abdcc backend: - bridge async D-Bus method now automatically manage callback and errback, we just have to return a deferred Goffi <goffi@goffi.org> parents: 419 diff changeset	114 else:
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	115 d = defer.maybeDeferred(cb, args, *kwargs)
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	116 d.addErrback(GenericException.create_and_raise)
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	117 return d
587 952322b1d490 Remove trailing whitespaces. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 572 diff changeset	118
2628 779351da2c13 core, frontends: replaced org\.goffi namespaces by org.salutatoi + fixed generation: Goffi <goffi@goffi.org> parents: 2624 diff changeset	119 ##METHODS_PART##
267 bdcd535e179e Bridge constructor: Goffi <goffi@goffi.org> parents: diff changeset	120
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	121 class Bridge:
587 952322b1d490 Remove trailing whitespaces. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 572 diff changeset	122
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	123 def __init__(self):
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	124 log.info("Init DBus...")
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	125 self._obj = DBusObject(const_OBJ_PATH)
468 c97640c90a94 D-Bus Bridge: use inspection to name attribute + fix asynchronous calls for dynamically added method, it now use deferred return value instead of callback/errback attributes Goffi <goffi@goffi.org> parents: 459 diff changeset	126
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	127 async def postInit(self):
627 d207c2186519 core, bridge, jp, quick_frontend: SàT stop more gracefully if bridge can't be initialised: Goffi <goffi@goffi.org> parents: 609 diff changeset	128 try:
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	129 conn = await client.connect(reactor)
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	130 except error.DBusException as e:
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	131 if e.errName == "org.freedesktop.DBus.Error.NotSupported":
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	132 log.error(
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	133 _(
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	134 "D-Bus is not launched, please see README to see instructions on "
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	135 "how to launch it"
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	136 )
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	137 )
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	138 raise BridgeInitError(str(e))
267 bdcd535e179e Bridge constructor: Goffi <goffi@goffi.org> parents: diff changeset	139
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	140 conn.exportObject(self._obj)
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	141 await conn.requestBusName(const_INT_PREFIX)
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	142
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	143 ##SIGNALS_PART##
2086 4633cfcbcccb bridge (D-Bus): bad design fixes: Goffi <goffi@goffi.org> parents: 2085 diff changeset	144 def register_method(self, name, callback):
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	145 log.debug(f"registering DBus bridge method [{name}]")
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	146 self._obj.register_method(name, callback)
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	147
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	148 def emitSignal(self, name, *args):
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	149 self._obj.emitSignal(name, *args)
267 bdcd535e179e Bridge constructor: Goffi <goffi@goffi.org> parents: diff changeset	150
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	151 def addMethod(
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	152 self, name, int_suffix, in_sign, out_sign, method, async_=False, doc={}
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	153 ):
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	154 """Dynamically add a method to D-Bus Bridge"""
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	155 # FIXME: doc parameter is kept only temporary, the time to remove it from calls
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	156 log.debug(f"Adding method {name!r} to D-Bus bridge")
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	157 self._obj.plugin_iface.addMethod(
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	158 Method(name, arguments=in_sign, returns=out_sign)
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	159 )
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	160 # we have to create a method here instead of using partialmethod, because txdbus
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	161 # uses __func__ which doesn't work with partialmethod
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	162 def caller(self_, args, *kwargs):
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	163 return self_._callback(name, args, *kwargs)
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	164 setattr(self._obj, f"dbus_{name}", MethodType(caller, self._obj))
2086 4633cfcbcccb bridge (D-Bus): bad design fixes: Goffi <goffi@goffi.org> parents: 2085 diff changeset	165 self.register_method(name, method)
267 bdcd535e179e Bridge constructor: Goffi <goffi@goffi.org> parents: diff changeset	166
298 15c8916317d0 dbus bridge: added doc parameter, unmanaged yet Goffi <goffi@goffi.org> parents: 284 diff changeset	167 def addSignal(self, name, int_suffix, signature, doc={}):
3539 60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	168 """Dynamically add a signal to D-Bus Bridge"""
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	169 log.debug(f"Adding signal {name!r} to D-Bus bridge")
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	170 self._obj.plugin_iface.addSignal(Signal(name, signature))
60d3861e5996 bridge (dbus): use Tx DBus for backend part of D-Bus bridge: Goffi <goffi@goffi.org> parents: 3480 diff changeset	171 setattr(Bridge, name, partialmethod(Bridge.emitSignal, name))

Mercurial > libervia-backend

annotate sat/bridge/bridge_constructor/constructors/dbus/dbus_core_template.py @ 3539:60d3861e5996