Mercurial > libervia-backend
annotate src/bridge/bridge_constructor/dbus_core_template.py @ 889:9cce5b42a134
we are in a dev version again...
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sat, 01 Mar 2014 13:35:21 +0100 |
| parents | 1fe00f0c9a91 |
| children | 301b342c697a |
| rev | line source |
|---|---|
| 267 | 1 #!/usr/bin/python |
| 2 #-*- coding: utf-8 -*- | |
| 3 | |
|
609
84a6e83157c2
fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents:
595
diff
changeset
|
4 # SAT: a jabber client |
| 811 | 5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org) |
| 267 | 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 | 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 | 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 | 19 |
| 20 from bridge import Bridge | |
| 21 import dbus | |
| 22 import dbus.service | |
| 23 import dbus.mainloop.glib | |
|
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
|
24 import inspect |
|
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
|
25 from logging import debug, info, error |
|
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
|
26 from twisted.internet.defer import Deferred |
|
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
|
27 from sat.core.exceptions import BridgeInitError |
| 267 | 28 |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
29 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
|
30 const_ERROR_PREFIX = const_INT_PREFIX + ".error" |
|
359
eb9d33ba4e36
bridge: templates' constants can now be overrided
Goffi <goffi@goffi.org>
parents:
337
diff
changeset
|
31 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:
359
diff
changeset
|
32 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
|
33 const_PLUGIN_SUFFIX = ".plugin" |
| 267 | 34 |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
35 |
|
477
031b0e0aaab8
plugin groupblog: subscriptions/notifications
Goffi <goffi@goffi.org>
parents:
469
diff
changeset
|
36 class ParseError(Exception): |
|
031b0e0aaab8
plugin groupblog: subscriptions/notifications
Goffi <goffi@goffi.org>
parents:
469
diff
changeset
|
37 pass |
|
031b0e0aaab8
plugin groupblog: subscriptions/notifications
Goffi <goffi@goffi.org>
parents:
469
diff
changeset
|
38 |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
39 |
|
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
|
40 class MethodNotRegistered(dbus.DBusException): |
|
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
|
41 _dbus_error_name = const_ERROR_PREFIX + ".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
|
42 |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
43 |
|
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
|
44 class InternalError(dbus.DBusException): |
|
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
|
45 _dbus_error_name = const_ERROR_PREFIX + ".InternalError" |
|
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
|
46 |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
47 |
|
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
|
48 class AsyncNotDeferred(dbus.DBusException): |
|
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
|
49 _dbus_error_name = const_ERROR_PREFIX + ".AsyncNotDeferred" |
|
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 |
|
424
72c13313b6d6
bridge: added check that synchronous method does not return a deferred
Goffi <goffi@goffi.org>
parents:
423
diff
changeset
|
52 class DeferredNotAsync(dbus.DBusException): |
|
72c13313b6d6
bridge: added check that synchronous method does not return a deferred
Goffi <goffi@goffi.org>
parents:
423
diff
changeset
|
53 _dbus_error_name = const_ERROR_PREFIX + ".DeferredNotAsync" |
|
72c13313b6d6
bridge: added check that synchronous method does not return a deferred
Goffi <goffi@goffi.org>
parents:
423
diff
changeset
|
54 |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
55 |
|
419
6c167a2e04b8
bridge: added generic D-Bus exception management + asyncCreateProfile method
Goffi <goffi@goffi.org>
parents:
371
diff
changeset
|
56 class GenericException(dbus.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): |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
58 super(GenericException, self).__init__() |
|
751
1def5b7edf9f
core, bridge: better GenericException handling
Goffi <goffi@goffi.org>
parents:
627
diff
changeset
|
59 try: |
|
1def5b7edf9f
core, bridge: better GenericException handling
Goffi <goffi@goffi.org>
parents:
627
diff
changeset
|
60 error_name = str(twisted_error.value().__class__.__name__) |
|
1def5b7edf9f
core, bridge: better GenericException handling
Goffi <goffi@goffi.org>
parents:
627
diff
changeset
|
61 # twisted_error.value is a class |
|
1def5b7edf9f
core, bridge: better GenericException handling
Goffi <goffi@goffi.org>
parents:
627
diff
changeset
|
62 except TypeError: |
|
1def5b7edf9f
core, bridge: better GenericException handling
Goffi <goffi@goffi.org>
parents:
627
diff
changeset
|
63 # twisted_error.value is an instance |
|
1def5b7edf9f
core, bridge: better GenericException handling
Goffi <goffi@goffi.org>
parents:
627
diff
changeset
|
64 error_name = str(twisted_error.value.__class__.__name__) |
|
1def5b7edf9f
core, bridge: better GenericException handling
Goffi <goffi@goffi.org>
parents:
627
diff
changeset
|
65 self._dbus_error_name = const_ERROR_PREFIX + "." + error_name |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
66 |
|
419
6c167a2e04b8
bridge: added generic D-Bus exception management + asyncCreateProfile method
Goffi <goffi@goffi.org>
parents:
371
diff
changeset
|
67 |
| 267 | 68 class DbusObject(dbus.service.Object): |
| 69 | |
| 70 def __init__(self, bus, path): | |
| 71 dbus.service.Object.__init__(self, bus, path) | |
| 72 debug("Init DbusObject...") | |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
73 self.cb = {} |
| 267 | 74 |
| 75 def register(self, name, cb): | |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
76 self.cb[name] = cb |
| 267 | 77 |
|
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
|
78 def _callback(self, name, *args, **kwargs): |
|
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
|
79 """call the callback if it exists, raise an exception else |
|
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
|
80 if the callback return a deferred, use async methods""" |
|
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
|
81 if not name in self.cb: |
|
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
|
82 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
|
83 |
|
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
|
84 if "callback" in kwargs: |
|
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
|
85 #we must have errback too |
|
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
|
86 if not "errback" in kwargs: |
|
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
|
87 error("errback is missing in method call [%s]" % name) |
|
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
|
88 raise InternalError |
|
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
|
89 callback = kwargs.pop("callback") |
|
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
|
90 errback = kwargs.pop("errback") |
|
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
|
91 async = True |
|
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
|
92 else: |
|
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
|
93 async = False |
|
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
|
94 result = self.cb[name](*args, **kwargs) |
|
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
|
95 if async: |
|
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
|
96 if not isinstance(result, Deferred): |
|
425
e4e9187e3b5b
backend, bridge: asynchronous history
Goffi <goffi@goffi.org>
parents:
424
diff
changeset
|
97 error("Asynchronous method [%s] does not return a Deferred." % name) |
|
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
|
98 raise AsyncNotDeferred |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
99 result.addCallback(lambda result: callback() if result is None else callback(result)) |
|
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
100 result.addErrback(lambda err: errback(GenericException(err))) |
|
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
|
101 else: |
|
424
72c13313b6d6
bridge: added check that synchronous method does not return a deferred
Goffi <goffi@goffi.org>
parents:
423
diff
changeset
|
102 if isinstance(result, Deferred): |
|
425
e4e9187e3b5b
backend, bridge: asynchronous history
Goffi <goffi@goffi.org>
parents:
424
diff
changeset
|
103 error("Synchronous method [%s] return a Deferred." % name) |
|
424
72c13313b6d6
bridge: added check that synchronous method does not return a deferred
Goffi <goffi@goffi.org>
parents:
423
diff
changeset
|
104 raise DeferredNotAsync |
|
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
|
105 return result |
|
587
952322b1d490
Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
572
diff
changeset
|
106 ### signals ### |
| 267 | 107 |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
108 @dbus.service.signal(const_INT_PREFIX + const_PLUGIN_SUFFIX, |
|
371
3ea41a199b36
bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents:
359
diff
changeset
|
109 signature='') |
|
3ea41a199b36
bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents:
359
diff
changeset
|
110 def dummySignal(self): |
|
3ea41a199b36
bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents:
359
diff
changeset
|
111 #FIXME: workaround for addSignal (doesn't work if one method doensn't |
|
3ea41a199b36
bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents:
359
diff
changeset
|
112 # already exist for plugins), probably missing some initialisation, need |
|
3ea41a199b36
bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents:
359
diff
changeset
|
113 # further investigations |
|
3ea41a199b36
bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents:
359
diff
changeset
|
114 pass |
|
3ea41a199b36
bridge refactoring: categories are now core and plugin instead of communication and request
Goffi <goffi@goffi.org>
parents:
359
diff
changeset
|
115 |
| 267 | 116 ##SIGNALS_PART## |
|
587
952322b1d490
Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
572
diff
changeset
|
117 ### methods ### |
|
952322b1d490
Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
572
diff
changeset
|
118 |
| 267 | 119 ##METHODS_PART## |
|
299
e044d1dc37d1
dbus bridge: asynchrone methods management
Goffi <goffi@goffi.org>
parents:
298
diff
changeset
|
120 def __attributes(self, in_sign): |
| 267 | 121 """Return arguments to user given a in_sign |
| 122 @param in_sign: in_sign in the short form (using s,a,i,b etc) | |
|
587
952322b1d490
Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
572
diff
changeset
|
123 @return: list of arguments that correspond to a in_sign (e.g.: "sss" return "arg1, arg2, arg3")""" |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
124 i = 0 |
|
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
125 idx = 0 |
|
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
126 attr = [] |
|
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
127 while i < len(in_sign): |
|
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
128 if in_sign[i] not in ['b', 'y', 'n', 'i', 'x', 'q', 'u', 't', 'd', 's', 'a']: |
| 267 | 129 raise ParseError("Unmanaged attribute type [%c]" % in_sign[i]) |
| 130 | |
|
299
e044d1dc37d1
dbus bridge: asynchrone methods management
Goffi <goffi@goffi.org>
parents:
298
diff
changeset
|
131 attr.append("arg_%i" % idx) |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
132 idx += 1 |
| 267 | 133 |
| 134 if in_sign[i] == 'a': | |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
135 i += 1 |
|
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
136 if in_sign[i] != '{' and in_sign[i] != '(': # FIXME: must manage tuples out of arrays |
|
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
137 i += 1 |
|
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
138 continue # we have a simple type for the array |
| 267 | 139 opening_car = in_sign[i] |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
140 assert(opening_car in ['{', '(']) |
| 267 | 141 closing_car = '}' if opening_car == '{' else ')' |
| 142 opening_count = 1 | |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
143 while (True): # we have a dict or a list of tuples |
|
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
144 i += 1 |
|
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
145 if i >= len(in_sign): |
| 267 | 146 raise ParseError("missing }") |
| 147 if in_sign[i] == opening_car: | |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
148 opening_count += 1 |
| 267 | 149 if in_sign[i] == closing_car: |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
150 opening_count -= 1 |
| 267 | 151 if opening_count == 0: |
| 152 break | |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
153 i += 1 |
|
299
e044d1dc37d1
dbus bridge: asynchrone methods management
Goffi <goffi@goffi.org>
parents:
298
diff
changeset
|
154 return attr |
| 267 | 155 |
|
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
|
156 def addMethod(self, name, int_suffix, in_sign, out_sign, method, async=False): |
| 267 | 157 """Dynamically add a method to Dbus Bridge""" |
|
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
|
158 inspect_args = inspect.getargspec(method) |
|
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
|
159 |
|
469
db4c2b82bab6
D-Bus bridge: fixed getRoomsSubjects call + fixed dynamic addition of methods + added getLastGroupBlogs method
Goffi <goffi@goffi.org>
parents:
468
diff
changeset
|
160 _arguments = inspect_args.args |
|
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
|
161 _defaults = list(inspect_args.defaults or []) |
|
587
952322b1d490
Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
572
diff
changeset
|
162 |
|
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
|
163 if inspect.ismethod(method): |
|
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
|
164 #if we have a method, we don't want the first argument (usually 'self') |
|
469
db4c2b82bab6
D-Bus bridge: fixed getRoomsSubjects call + fixed dynamic addition of methods + added getLastGroupBlogs method
Goffi <goffi@goffi.org>
parents:
468
diff
changeset
|
165 del(_arguments[0]) |
|
299
e044d1dc37d1
dbus bridge: asynchrone methods management
Goffi <goffi@goffi.org>
parents:
298
diff
changeset
|
166 |
|
469
db4c2b82bab6
D-Bus bridge: fixed getRoomsSubjects call + fixed dynamic addition of methods + added getLastGroupBlogs method
Goffi <goffi@goffi.org>
parents:
468
diff
changeset
|
167 #first arguments are for the _callback method |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
168 arguments_callback = ', '.join([repr(name)] + ((_arguments + ['callback=callback', 'errback=errback']) if async else _arguments)) |
|
587
952322b1d490
Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
572
diff
changeset
|
169 |
|
299
e044d1dc37d1
dbus bridge: asynchrone methods management
Goffi <goffi@goffi.org>
parents:
298
diff
changeset
|
170 if async: |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
171 _arguments.extend(['callback', 'errback']) |
|
469
db4c2b82bab6
D-Bus bridge: fixed getRoomsSubjects call + fixed dynamic addition of methods + added getLastGroupBlogs method
Goffi <goffi@goffi.org>
parents:
468
diff
changeset
|
172 _defaults.extend([None, None]) |
|
587
952322b1d490
Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
572
diff
changeset
|
173 |
|
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
|
174 #now we create a second list with default values |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
175 for i in range(1, len(_defaults) + 1): |
|
469
db4c2b82bab6
D-Bus bridge: fixed getRoomsSubjects call + fixed dynamic addition of methods + added getLastGroupBlogs method
Goffi <goffi@goffi.org>
parents:
468
diff
changeset
|
176 _arguments[-i] = "%s = %s" % (_arguments[-i], repr(_defaults[-i])) |
| 267 | 177 |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
178 arguments_defaults = ', '.join(_arguments) |
|
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
|
179 |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
180 code = compile('def %(name)s (self,%(arguments_defaults)s): return self._callback(%(arguments_callback)s)' % |
|
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
181 {'name': name, 'arguments_defaults': arguments_defaults, 'arguments_callback': arguments_callback}, '<DBus bridge>', 'exec') |
|
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
182 exec (code) # FIXME: to the same thing in a cleaner way, without compile/exec |
| 267 | 183 method = locals()[name] |
|
299
e044d1dc37d1
dbus bridge: asynchrone methods management
Goffi <goffi@goffi.org>
parents:
298
diff
changeset
|
184 async_callbacks = ('callback', 'errback') if async else None |
| 267 | 185 setattr(DbusObject, name, dbus.service.method( |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
186 const_INT_PREFIX + int_suffix, in_signature=in_sign, out_signature=out_sign, |
|
299
e044d1dc37d1
dbus bridge: asynchrone methods management
Goffi <goffi@goffi.org>
parents:
298
diff
changeset
|
187 async_callbacks=async_callbacks)(method)) |
|
284
c25371424090
dbus bridge: fixed introspection for dynamically added methods and signals
Goffi <goffi@goffi.org>
parents:
272
diff
changeset
|
188 function = getattr(self, name) |
|
c25371424090
dbus bridge: fixed introspection for dynamically added methods and signals
Goffi <goffi@goffi.org>
parents:
272
diff
changeset
|
189 func_table = self._dbus_class_table[self.__class__.__module__ + '.' + self.__class__.__name__][function._dbus_interface] |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
190 func_table[function.__name__] = function # Needed for introspection |
|
587
952322b1d490
Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
572
diff
changeset
|
191 |
|
298
15c8916317d0
dbus bridge: added doc parameter, unmanaged yet
Goffi <goffi@goffi.org>
parents:
284
diff
changeset
|
192 def addSignal(self, name, int_suffix, signature, doc={}): |
| 267 | 193 """Dynamically add a signal to Dbus Bridge""" |
|
299
e044d1dc37d1
dbus bridge: asynchrone methods management
Goffi <goffi@goffi.org>
parents:
298
diff
changeset
|
194 attributes = ', '.join(self.__attributes(signature)) |
|
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
|
195 #TODO: use doc parameter to name attributes |
| 267 | 196 |
|
337
4402ac630712
bridge: async callback managed in bridge_constructor + misc
Goffi <goffi@goffi.org>
parents:
299
diff
changeset
|
197 #code = compile ('def '+name+' (self,'+attributes+'): debug ("'+name+' signal")', '<DBus bridge>','exec') #XXX: the debug is too annoying with xmllog |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
198 code = compile('def ' + name + ' (self,' + attributes + '): pass', '<DBus bridge>', 'exec') |
| 267 | 199 exec (code) |
| 200 signal = locals()[name] | |
| 201 setattr(DbusObject, name, dbus.service.signal( | |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
202 const_INT_PREFIX + int_suffix, signature=signature)(signal)) |
|
284
c25371424090
dbus bridge: fixed introspection for dynamically added methods and signals
Goffi <goffi@goffi.org>
parents:
272
diff
changeset
|
203 function = getattr(self, name) |
|
c25371424090
dbus bridge: fixed introspection for dynamically added methods and signals
Goffi <goffi@goffi.org>
parents:
272
diff
changeset
|
204 func_table = self._dbus_class_table[self.__class__.__module__ + '.' + self.__class__.__name__][function._dbus_interface] |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
205 func_table[function.__name__] = function # Needed for introspection |
|
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
206 |
| 267 | 207 |
| 208 class DBusBridge(Bridge): | |
| 209 def __init__(self): | |
| 210 dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) | |
| 211 Bridge.__init__(self) | |
|
595
1f160467f5de
Fix pep8 support in src/bridge.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
587
diff
changeset
|
212 info("Init DBus...") |
|
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
|
213 try: |
|
d207c2186519
core, bridge, jp, quick_frontend: SàT stop more gracefully if bridge can't be initialised:
Goffi <goffi@goffi.org>
parents:
609
diff
changeset
|
214 self.session_bus = dbus.SessionBus() |
|
d207c2186519
core, bridge, jp, quick_frontend: SàT stop more gracefully if bridge can't be initialised:
Goffi <goffi@goffi.org>
parents:
609
diff
changeset
|
215 except dbus.DBusException as e: |
|
d207c2186519
core, bridge, jp, quick_frontend: SàT stop more gracefully if bridge can't be initialised:
Goffi <goffi@goffi.org>
parents:
609
diff
changeset
|
216 if e._dbus_error_name == 'org.freedesktop.DBus.Error.NotSupported': |
|
d207c2186519
core, bridge, jp, quick_frontend: SàT stop more gracefully if bridge can't be initialised:
Goffi <goffi@goffi.org>
parents:
609
diff
changeset
|
217 print u"D-Bus is not launched, please see README to see instructions on how to launch it" |
|
d207c2186519
core, bridge, jp, quick_frontend: SàT stop more gracefully if bridge can't be initialised:
Goffi <goffi@goffi.org>
parents:
609
diff
changeset
|
218 raise BridgeInitError |
| 267 | 219 self.dbus_name = dbus.service.BusName(const_INT_PREFIX, self.session_bus) |
|
359
eb9d33ba4e36
bridge: templates' constants can now be overrided
Goffi <goffi@goffi.org>
parents:
337
diff
changeset
|
220 self.dbus_bridge = DbusObject(self.session_bus, const_OBJ_PATH) |
| 267 | 221 |
| 222 ##DIRECT_CALLS## | |
| 223 def register(self, name, callback): | |
| 224 debug("registering DBus bridge method [%s]", name) | |
| 225 self.dbus_bridge.register(name, callback) | |
| 226 | |
|
299
e044d1dc37d1
dbus bridge: asynchrone methods management
Goffi <goffi@goffi.org>
parents:
298
diff
changeset
|
227 def addMethod(self, name, int_suffix, in_sign, out_sign, method, async=False, doc={}): |
| 267 | 228 """Dynamically add a method to Dbus Bridge""" |
|
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
|
229 #FIXME: doc parameter is kept only temporary, the time to remove it from calls |
| 267 | 230 print ("Adding method [%s] to DBus bridge" % name) |
|
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
|
231 self.dbus_bridge.addMethod(name, int_suffix, in_sign, out_sign, method, async) |
| 267 | 232 self.register(name, method) |
| 233 | |
|
298
15c8916317d0
dbus bridge: added doc parameter, unmanaged yet
Goffi <goffi@goffi.org>
parents:
284
diff
changeset
|
234 def addSignal(self, name, int_suffix, signature, doc={}): |
|
299
e044d1dc37d1
dbus bridge: asynchrone methods management
Goffi <goffi@goffi.org>
parents:
298
diff
changeset
|
235 self.dbus_bridge.addSignal(name, int_suffix, signature, doc) |
| 267 | 236 setattr(DBusBridge, name, getattr(self.dbus_bridge, name)) |