Mercurial > libervia-backend

annotate src/bridge/bridge_constructor/dbus_frontend_template.py @ 1042:59de0c7a28ec

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
memory (params): fixes bugs in setParam: - symbol 'd' was accessed without having been initialized when setting the empty value to a password which is not the profile password - the method was actually returning without waiting for the parameter to be set
author souliane <souliane@mailoo.org>
date Wed, 21 May 2014 21:14:40 +0200
parents 301b342c697a
children 95758ef3faa8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
267
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
1 #!/usr/bin/python
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
2 #-*- coding: utf-8 -*-
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
3
609
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 595
diff changeset
4 # SAT communication bridge
811
1fe00f0c9a91 dates update
Goffi <goffi@goffi.org>
parents: 771
diff changeset
5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org)
267
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
6
609
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 595
diff changeset
7 # 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
8 # 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
9 # 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
10 # (at your option) any later version.
267
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
11
609
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 595
diff changeset
12 # 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
13 # 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
14 # 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
15 # GNU Affero General Public License for more details.
267
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
16
609
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 595
diff changeset
17 # 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
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
267
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
19
771
bfabeedbf32e core: i18n refactoring:
Goffi <goffi@goffi.org>
parents: 723
diff changeset
20 from sat.core.i18n import _
267
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
21 from bridge_frontend import BridgeFrontend
535
790be337cc41 bridge: fixed D-Bus warning in frontend side of bridge
Goffi <goffi@goffi.org>
parents: 480
diff changeset
22 import dbus
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
23 from sat.core.log import getLogger
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
24 log = getLogger(__name__)
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
25 from sat.core.exceptions import BridgeExceptionNoService, BridgeInitError
267
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
26
535
790be337cc41 bridge: fixed D-Bus warning in frontend side of bridge
Goffi <goffi@goffi.org>
parents: 480
diff changeset
27 from dbus.mainloop.glib import DBusGMainLoop
790be337cc41 bridge: fixed D-Bus warning in frontend side of bridge
Goffi <goffi@goffi.org>
parents: 480
diff changeset
28 DBusGMainLoop(set_as_default=True)
790be337cc41 bridge: fixed D-Bus warning in frontend side of bridge
Goffi <goffi@goffi.org>
parents: 480
diff changeset
29
595
1f160467f5de Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
30 const_INT_PREFIX = "org.goffi.SAT" # Interface prefix
1f160467f5de Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
31 const_ERROR_PREFIX = const_INT_PREFIX + ".error"
359
eb9d33ba4e36 bridge: templates' constants can now be overrided
Goffi <goffi@goffi.org>
parents: 337
diff changeset
32 const_OBJ_PATH = '/org/goffi/SAT/bridge'
371
3ea41a199b36 bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents: 363
diff changeset
33 const_CORE_SUFFIX = ".core"
3ea41a199b36 bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents: 363
diff changeset
34 const_PLUGIN_SUFFIX = ".plugin"
359
eb9d33ba4e36 bridge: templates' constants can now be overrided
Goffi <goffi@goffi.org>
parents: 337
diff changeset
35
595
1f160467f5de Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
36
267
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
37 class DBusBridgeFrontend(BridgeFrontend):
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
38 def __init__(self):
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
39 try:
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
40 self.sessions_bus = dbus.SessionBus()
359
eb9d33ba4e36 bridge: templates' constants can now be overrided
Goffi <goffi@goffi.org>
parents: 337
diff changeset
41 self.db_object = self.sessions_bus.get_object(const_INT_PREFIX,
595
1f160467f5de Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
42 const_OBJ_PATH)
371
3ea41a199b36 bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents: 363
diff changeset
43 self.db_core_iface = dbus.Interface(self.db_object,
595
1f160467f5de Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
44 dbus_interface=const_INT_PREFIX + const_CORE_SUFFIX)
371
3ea41a199b36 bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents: 363
diff changeset
45 self.db_plugin_iface = dbus.Interface(self.db_object,
595
1f160467f5de Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
46 dbus_interface=const_INT_PREFIX + const_PLUGIN_SUFFIX)
1f160467f5de Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
47 except dbus.exceptions.DBusException, e:
1f160467f5de Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
48 if e._dbus_error_name == 'org.freedesktop.DBus.Error.ServiceUnknown':
267
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
49 raise BridgeExceptionNoService
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
50 elif e._dbus_error_name == 'org.freedesktop.DBus.Error.NotSupported':
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
51 log.error(_(u"D-Bus is not launched, please see README to see instructions on how to launch it"))
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
52 raise BridgeInitError
267
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
53 else:
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
54 raise e
371
3ea41a199b36 bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents: 363
diff changeset
55 #props = self.db_core_iface.getProperties()
267
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
56
371
3ea41a199b36 bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents: 363
diff changeset
57 def register(self, functionName, handler, iface="core"):
3ea41a199b36 bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents: 363
diff changeset
58 if iface == "core":
3ea41a199b36 bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents: 363
diff changeset
59 self.db_core_iface.connect_to_signal(functionName, handler)
3ea41a199b36 bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents: 363
diff changeset
60 elif iface == "plugin":
3ea41a199b36 bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents: 363
diff changeset
61 self.db_plugin_iface.connect_to_signal(functionName, handler)
3ea41a199b36 bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents: 363
diff changeset
62 else:
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
63 log.error(_('Unknown interface'))
267
bdcd535e179e Bridge constructor:
Goffi <goffi@goffi.org>
parents:
diff changeset
64
568
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
65 def __getattribute__(self, name):
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
66 """ usual __getattribute__ if the method exists, else try to find a plugin method """
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
67 try:
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
68 return object.__getattribute__(self, name)
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
69 except AttributeError:
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
70 # The attribute is not found, we try the plugin proxy to find the requested method
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
71
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
72 def getPluginMethod(*args, **kwargs):
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
73 # We first check if we have an async call. We detect this in two ways:
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
74 # - if we have the 'callback' and 'errback' keyword arguments
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
75 # - or if the last two arguments are callable
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
76
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
77 async = False
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
78
568
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
79 if kwargs:
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
80 if 'callback' in kwargs and 'errback' in kwargs:
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
81 async = True
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
82 _callback = kwargs.pop('callback')
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
83 _errback = kwargs.pop('errback')
595
1f160467f5de Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
84 elif len(args) >= 2 and callable(args[-1]) and callable(args[-2]):
568
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
85 async = True
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
86 args = list(args)
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
87 _errback = args.pop()
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
88 _callback = args.pop()
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
89
568
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
90 method = getattr(self.db_plugin_iface, name)
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
91
568
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
92 if async:
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
93 kwargs['reply_handler'] = _callback
595
1f160467f5de Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
94 kwargs['error_handler'] = lambda err: _errback(err._dbus_error_name[len(const_ERROR_PREFIX) + 1:])
568
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
95
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
96 return method(*args, **kwargs)
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
97
568
239abc5484c9 bridge: generic plugin methods handling for frontend side in D-Bus Bridge \o/
Goffi <goffi@goffi.org>
parents: 562
diff changeset
98 return getPluginMethod
723
f02e2c277f0c bridge: fixed bridge_constructor
Goffi <goffi@goffi.org>
parents: 709
diff changeset
99 ##METHODS_PART##