4 from dbuscron.logger import Logger
7 def dbus_to_str(value):
9 if isinstance(value, dbus.Byte):
10 result = str(int(value))
11 elif isinstance(value, dbus.ByteArray):
12 result = ','.join(str(ord(v)) for v in value)
13 elif isinstance(value, dbus.Array):
14 result = ','.join(dbus_to_str(v) for v in value)
15 elif isinstance(value, dbus.Dictionary):
16 result = ','.join('%s:%s' % (k, dbus_to_str(v)) for k, v in value.iteritems())
17 elif isinstance(value, dbus.String):
18 result = value.encode('utf-8')
23 log.error('convert exception', e)
27 def get_dbus_message_type(message):
28 result = message.__class__.__name__[0:-7]
29 for c in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ':
30 result = result.replace(c, '_'+c.lower())
31 return result.strip('_')
33 class DbusBus(object):
40 cls.__bus = super(DbusBus, cls).__new__(cls)
44 from dbus.mainloop.glib import DBusGMainLoop
45 DBusGMainLoop(set_as_default=True)
49 if not self.__system_bus:
50 self.__system_bus = dbus.SystemBus()
51 return self.__system_bus
55 if not self.__session_bus:
56 self.__session_bus = dbus.SessionBus()
57 return self.__session_bus
59 def attach_handler(self, handler):
61 self.__system_bus.add_message_filter(handler)
62 if self.__session_bus:
63 self.__session_bus.add_message_filter(handler)
65 from gobject import MainLoop
69 class DbusRule(object):
70 def __init__(self, bus_=None, type_=None, sender_=None, interface_=None, path_=None, member_=None, destination_=None, args_=[]):
73 self._sender = sender_
74 self._interface = interface_
76 self._member = member_
77 self._destination = destination_
83 self._bus.add_match_string(rule)
88 self._bus.remove_match_string(rule)
95 for key in ['type', 'sender', 'interface', 'path', 'member', 'destination']:
96 value = getattr(self, '_'+key)
98 rule.append("%s='%s'" % (key, value))
101 for i, arg in enumerate(self._args):
102 rule.append("arg%d%s='%s'" % (i, 'path' if arg.startswith('/') else '', arg))
104 return ','.join(rule)
106 def match(self, bus, message):
108 if self._bus not in (None, bus):
111 if self._type is not None:
112 type_ = get_dbus_message_type(message)
113 if self._type != type_:
116 if self._sender not in (None, message.get_sender()):
119 if self._interface not in (None, message.get_interface()):
122 if self._path not in (None, message.get_path()):
125 if self._member not in (None, message.get_member()):
128 if self._destination not in (None, message.get_destination()):
131 if self._args is not None:
132 args_ = message.get_args_list()
133 for i, arg in enumerate(args_):
134 if i >= len(self._args):
136 if self._args[i] not in (None, str(arg)):