Mercurial > libervia-backend
annotate src/bridge/bridge_constructor/dbus_frontend_template.py @ 613:0730fc83ef51
quick frontend, jp: fix locales
| author | Thomas Preud'homme <robotux@celest.fr> |
|---|---|
| date | Sun, 07 Apr 2013 22:54:47 +0200 |
| parents | 84a6e83157c2 |
| children | d207c2186519 |
| rev | line source |
|---|---|
| 267 | 1 #!/usr/bin/python |
| 2 #-*- coding: utf-8 -*- | |
| 3 | |
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4 # SAT communication bridge |
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013 Jérôme Poisson (goffi@goffi.org) |
| 267 | 6 |
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7 # This program is free software: you can redistribute it and/or modify |
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8 # it under the terms of the GNU Affero General Public License as published by |
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9 # the Free Software Foundation, either version 3 of the License, or |
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10 # (at your option) any later version. |
| 267 | 11 |
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12 # This program is distributed in the hope that it will be useful, |
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 # GNU Affero General Public License for more details. |
| 267 | 16 |
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17 # You should have received a copy of the GNU Affero General Public License |
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 267 | 19 |
| 20 from bridge_frontend import BridgeFrontend | |
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21 import dbus |
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22 from logging import debug, error |
| 267 | 23 |
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24 from dbus.mainloop.glib import DBusGMainLoop |
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25 DBusGMainLoop(set_as_default=True) |
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26 |
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27 const_INT_PREFIX = "org.goffi.SAT" # Interface prefix |
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28 const_ERROR_PREFIX = const_INT_PREFIX + ".error" |
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29 const_OBJ_PATH = '/org/goffi/SAT/bridge' |
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30 const_CORE_SUFFIX = ".core" |
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31 const_PLUGIN_SUFFIX = ".plugin" |
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32 |
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33 |
| 267 | 34 class BridgeExceptionNoService(Exception): |
| 35 pass | |
| 36 | |
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37 |
| 267 | 38 class DBusBridgeFrontend(BridgeFrontend): |
| 39 def __init__(self): | |
| 40 try: | |
| 41 self.sessions_bus = dbus.SessionBus() | |
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42 self.db_object = self.sessions_bus.get_object(const_INT_PREFIX, |
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43 const_OBJ_PATH) |
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44 self.db_core_iface = dbus.Interface(self.db_object, |
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45 dbus_interface=const_INT_PREFIX + const_CORE_SUFFIX) |
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46 self.db_plugin_iface = dbus.Interface(self.db_object, |
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47 dbus_interface=const_INT_PREFIX + const_PLUGIN_SUFFIX) |
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48 except dbus.exceptions.DBusException, e: |
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49 if e._dbus_error_name == 'org.freedesktop.DBus.Error.ServiceUnknown': |
| 267 | 50 raise BridgeExceptionNoService |
| 51 else: | |
| 52 raise e | |
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53 #props = self.db_core_iface.getProperties() |
| 267 | 54 |
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55 def register(self, functionName, handler, iface="core"): |
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56 if iface == "core": |
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57 self.db_core_iface.connect_to_signal(functionName, handler) |
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58 elif iface == "plugin": |
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59 self.db_plugin_iface.connect_to_signal(functionName, handler) |
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60 else: |
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61 error(_('Unknown interface')) |
| 267 | 62 |
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63 def __getattribute__(self, name): |
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64 """ usual __getattribute__ if the method exists, else try to find a plugin method """ |
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65 try: |
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66 return object.__getattribute__(self, name) |
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67 except AttributeError: |
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68 # The attribute is not found, we try the plugin proxy to find the requested method |
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69 |
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70 def getPluginMethod(*args, **kwargs): |
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71 # We first check if we have an async call. We detect this in two ways: |
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72 # - if we have the 'callback' and 'errback' keyword arguments |
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73 # - or if the last two arguments are callable |
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74 |
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75 async = False |
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76 |
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77 if kwargs: |
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78 if 'callback' in kwargs and 'errback' in kwargs: |
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79 async = True |
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80 _callback = kwargs.pop('callback') |
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81 _errback = kwargs.pop('errback') |
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82 elif len(args) >= 2 and callable(args[-1]) and callable(args[-2]): |
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83 async = True |
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84 args = list(args) |
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85 _errback = args.pop() |
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86 _callback = args.pop() |
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87 |
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88 method = getattr(self.db_plugin_iface, name) |
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89 |
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90 if async: |
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91 kwargs['reply_handler'] = _callback |
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92 kwargs['error_handler'] = lambda err: _errback(err._dbus_error_name[len(const_ERROR_PREFIX) + 1:]) |
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93 |
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94 return method(*args, **kwargs) |
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95 |
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96 return getPluginMethod |
| 267 | 97 ##METHODS_PART## |
| 98 | |
| 99 #methods from plugins | |
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100 |
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101 def joinMUC(self, room_jid, nick, options, profile_key): |
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102 if options is None: |
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103 options = [('', '')] # XXX: we have to do this awful hack because python dbus need to guess the signature |
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104 return self.db_plugin_iface.joinMUC(room_jid, nick, options, profile_key) |
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105 |
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106 def gatewayRegister(self, action, target, data, profile_key): |
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107 if data is None: |
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108 data = [('', '')] # XXX: we have to do this awful hack because python dbus need to guess the signature |
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109 return self.db_plugin_iface.gatewayRegister(action, target, data, profile_key) |