#!/usr/bin/env python import gobject import time import dbus import dbus.service import dbus.mainloop.glib class TestException(dbus.DBusException): _dbus_error_name = 'com.example.TestException' class TestService(dbus.service.Object): # ---------------------------------------------------------------------------------------------------- @dbus.service.method("com.example.Frob", in_signature='s', out_signature='s') def HelloWorld(self, hello_message): if str(hello_message) == 'Yo': raise TestException('Yo is not a proper greeting') else: return "You greeted me with '%s'. Thanks!"%(str(hello_message)) @dbus.service.method("com.example.Frob", in_signature='ss', out_signature='ss') def DoubleHelloWorld(self, hello1, hello2): return ("You greeted me with '%s'. Thanks!"%(str(hello1)), "Yo dawg, you uttered '%s'. Thanks!"%(str(hello2))) @dbus.service.method("com.example.Frob", in_signature='', out_signature='su') def PairReturn(self): return ("foo", 42) # ---------------------------------------------------------------------------------------------------- @dbus.service.method("com.example.Frob", in_signature='ybnqiuxtdsog', out_signature='ybnqiuxtdsog') def TestPrimitiveTypes(self, val_byte, val_boolean, val_int16, val_uint16, val_int32, val_uint32, val_int64, val_uint64, val_double, val_string, val_objpath, val_signature): return val_byte + 1, not val_boolean, val_int16 + 1, val_uint16 + 1, val_int32 + 1, val_uint32 + 1, val_int64 + 1, val_uint64 + 1, -val_double + 0.123, val_string * 2, val_objpath + "/modified", val_signature * 2 # ---------------------------------------------------------------------------------------------------- @dbus.service.method("com.example.Frob", in_signature='ayabanaqaiauaxatad', out_signature='ayabanaqaiauaxatad') def TestArrayOfPrimitiveTypes(self, val_byte, val_boolean, val_int16, val_uint16, val_int32, val_uint32, val_int64, val_uint64, val_double): return val_byte*2, val_boolean*2, val_int16*2, val_uint16*2, val_int32*2, val_uint32*2, val_int64*2, val_uint64*2, val_double*2 # ---------------------------------------------------------------------------------------------------- @dbus.service.method("com.example.Frob", in_signature='asaoag', out_signature='asaoag') def TestArrayOfStringTypes(self, val_string, val_objpath, val_signature): return val_string * 2, val_objpath * 2, val_signature * 2 # ---------------------------------------------------------------------------------------------------- @dbus.service.method("com.example.Frob", in_signature = 'a{yy}a{bb}a{nn}a{qq}a{ii}a{uu}a{xx}a{tt}a{dd}a{ss}a{oo}a{gg}', out_signature = 'a{yy}a{bb}a{nn}a{qq}a{ii}a{uu}a{xx}a{tt}a{dd}a{ss}a{oo}a{gg}') def TestHashTables(self, hyy, hbb, hnn, hqq, hii, huu, hxx, htt, hdd, hss, hoo, hgg): ret_hyy = {} for i in hyy: ret_hyy[i*2] = (hyy[i]*3) & 255 ret_hbb = {} for i in hbb: ret_hbb[i] = True ret_hnn = {} for i in hnn: ret_hnn[i*2] = hnn[i]*3 ret_hqq = {} for i in hqq: ret_hqq[i*2] = hqq[i]*3 ret_hii = {} for i in hii: ret_hii[i*2] = hii[i]*3 ret_huu = {} for i in huu: ret_huu[i*2] = huu[i]*3 ret_hxx = {} for i in hxx: ret_hxx[i + 2] = hxx[i] + 1 ret_htt = {} for i in htt: ret_htt[i + 2] = htt[i] + 1 ret_hdd = {} for i in hdd: ret_hdd[i + 2.5] = hdd[i] + 5.0 ret_hss = {} for i in hss: ret_hss[i + "mod"] = hss[i]*2 ret_hoo = {} for i in hoo: ret_hoo[i + "/mod"] = hoo[i] + "/mod2" ret_hgg = {} for i in hgg: ret_hgg[i + "assgit"] = hgg[i]*2 return ret_hyy, ret_hbb, ret_hnn, ret_hqq, ret_hii, ret_huu, ret_hxx, ret_htt, ret_hdd, ret_hss, ret_hoo, ret_hgg # ---------------------------------------------------------------------------------------------------- @dbus.service.method("com.example.Frob", in_signature='(ii)(s(ii)aya{ss})', out_signature='(ii)(s(ii)aya{ss})') def TestStructureTypes(self, s1, s2): (x, y) = s1; (desc, (x1, y1), ay, hss) = s2; ret_hss = {} for i in hss: ret_hss[i] = hss[i] + " ... in bed!" return (x + 1, y + 1), (desc + " ... in bed!", (x1 + 2, y1 + 2), ay * 2, ret_hss) # ---------------------------------------------------------------------------------------------------- @dbus.service.method("com.example.Frob", in_signature='vb', out_signature='v') def TestVariant(self, v, modify): if modify: if type(v)==dbus.Boolean: ret = False elif type(v)==dbus.Dictionary: ret = {} for i in v: ret[i] = v[i] * 2 elif type(v)==dbus.Struct: ret = ["other struct", dbus.Int16(100)] else: ret = v * 2 else: ret = v return (type(v))(ret) # ---------------------------------------------------------------------------------------------------- @dbus.service.method("com.example.Frob", in_signature='a(ii)aa(ii)aasaa{ss}aayavaav', out_signature='a(ii)aa(ii)aasaa{ss}aayavaav') def TestComplexArrays(self, aii, aaii, aas, ahashes, aay, av, aav): return aii * 2, aaii * 2, aas * 2, ahashes * 2, aay * 2, av *2, aav * 2 # ---------------------------------------------------------------------------------------------------- @dbus.service.method("com.example.Frob", in_signature='a{s(ii)}a{sv}a{sav}a{saav}a{sa(ii)}a{sa{ss}}', out_signature='a{s(ii)}a{sv}a{sav}a{saav}a{sa(ii)}a{sa{ss}}') def TestComplexHashTables(self, h_str_to_pair, h_str_to_variant, h_str_to_av, h_str_to_aav, h_str_to_array_of_pairs, hash_of_hashes): ret_h_str_to_pair = {} for i in h_str_to_pair: ret_h_str_to_pair[i + "_baz"] = h_str_to_pair[i] ret_h_str_to_variant = {} for i in h_str_to_variant: ret_h_str_to_variant[i + "_baz"] = h_str_to_variant[i] return ret_h_str_to_pair, ret_h_str_to_variant, h_str_to_av, h_str_to_aav, h_str_to_array_of_pairs, hash_of_hashes # ---------------------------------------------------------------------------------------------------- @dbus.service.method("com.example.Frob", in_signature='', out_signature='') def Quit(self): mainloop.quit() # ---------------------------------------------------------------------------------------------------- @dbus.service.method("com.example.Frob", in_signature='sv', out_signature='') def FrobSetProperty(self, prop_name, prop_value): self.frob_props[prop_name] = prop_value message = dbus.lowlevel.SignalMessage("/com/example/TestObject", "org.freedesktop.DBus.Properties", "PropertiesChanged") message.append("com.example.Frob") message.append({prop_name : prop_value}) message.append([], signature="as") session_bus.send_message(message) # ---------------------------------------------------------------------------------------------------- @dbus.service.method("com.example.Frob", in_signature='s', out_signature='') def FrobInvalidateProperty(self, new_value): self.frob_props["PropertyThatWillBeInvalidated"] = new_value message = dbus.lowlevel.SignalMessage("/com/example/TestObject", "org.freedesktop.DBus.Properties", "PropertiesChanged") message.append("com.example.Frob") message.append({}, signature="a{sv}") message.append(["PropertyThatWillBeInvalidated"]) session_bus.send_message(message) # ---------------------------------------------------------------------------------------------------- @dbus.service.signal("com.example.Frob", signature="sov") def TestSignal(self, str1, objpath1, variant1): pass @dbus.service.method("com.example.Frob", in_signature='so', out_signature='') def EmitSignal(self, str1, objpath1): self.TestSignal (str1 + " .. in bed!", objpath1 + "/in/bed", "a variant") # ---------------------------------------------------------------------------------------------------- @dbus.service.signal("com.example.Frob", signature="i") def TestSignal2(self, int1): pass @dbus.service.method("com.example.Frob", in_signature='', out_signature='') def EmitSignal2(self): self.TestSignal2 (42) # ---------------------------------------------------------------------------------------------------- @dbus.service.method("com.example.Frob", in_signature='i', out_signature='', async_callbacks=('return_cb', 'raise_cb')) def Sleep(self, msec, return_cb, raise_cb): def return_from_async_wait(): return_cb() return False gobject.timeout_add(msec, return_from_async_wait) # ---------------------------------------------------------------------------------------------------- @dbus.service.method("org.freedesktop.DBus.Properties", in_signature = 'ss', out_signature = 'v') def Get(self, interface_name, property_name): if interface_name == "com.example.Frob": return self.frob_props[property_name] else: raise TestException("No such interface " + interface_name) @dbus.service.method("org.freedesktop.DBus.Properties", in_signature = 's', out_signature = 'a{sv}') def GetAll(self, interface_name): if interface_name == "com.example.Frob": return self.frob_props else: raise TestException("No such interface " + interface_name) if __name__ == '__main__': dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) session_bus = dbus.SessionBus() name = dbus.service.BusName("com.example.TestService", session_bus) obj = TestService(session_bus, '/com/example/TestObject') #print "Our unique name is %s"%(session_bus.get_unique_name()) obj.frob_props = {} obj.frob_props["y"] = dbus.Byte(1) obj.frob_props["b"] = dbus.Boolean(True) obj.frob_props["n"] = dbus.Int16(2) obj.frob_props["q"] = dbus.UInt16(3) obj.frob_props["i"] = dbus.Int32(4) obj.frob_props["u"] = dbus.UInt32(5) obj.frob_props["x"] = dbus.Int64(6) obj.frob_props["t"] = dbus.UInt64(7) obj.frob_props["d"] = dbus.Double(7.5) obj.frob_props["s"] = dbus.String("a string") obj.frob_props["o"] = dbus.ObjectPath("/some/path") obj.frob_props["ay"] = [dbus.Byte(1), dbus.Byte(11)] obj.frob_props["ab"] = [dbus.Boolean(True), dbus.Boolean(False)] obj.frob_props["an"] = [dbus.Int16(2), dbus.Int16(12)] obj.frob_props["aq"] = [dbus.UInt16(3), dbus.UInt16(13)] obj.frob_props["ai"] = [dbus.Int32(4), dbus.Int32(14)] obj.frob_props["au"] = [dbus.UInt32(5), dbus.UInt32(15)] obj.frob_props["ax"] = [dbus.Int64(6), dbus.Int64(16)] obj.frob_props["at"] = [dbus.UInt64(7), dbus.UInt64(17)] obj.frob_props["ad"] = [dbus.Double(7.5), dbus.Double(17.5)] obj.frob_props["as"] = [dbus.String("a string"), dbus.String("another string")] obj.frob_props["ao"] = [dbus.ObjectPath("/some/path"), dbus.ObjectPath("/another/path")] obj.frob_props["foo"] = "a frobbed string" obj.frob_props["PropertyThatWillBeInvalidated"] = "InitialValue" mainloop = gobject.MainLoop() mainloop.run()