examples/example-service.py

   1 #!/usr/bin/env python
   2
   3 usage = """Usage:
   4 python example-service.py &
   5 python example-client.py
   6 python example-async-client.py
   7 python example-client.py --exit-service
   8 """
   9
  10 import gobject
  11
  12 import dbus
  13 import dbus.service
  14 import dbus.mainloop.glib
  15
  16 class DemoException(dbus.DBusException):
  17     _dbus_error_name = 'com.example.DemoException'
  18
  19 class SomeObject(dbus.service.Object):
  20
  21     @dbus.service.method("com.example.SampleInterface",
  22                          in_signature='s', out_signature='as')
  23     def HelloWorld(self, hello_message):
  24         print (str(hello_message))
  25         return ["Hello", " from example-service.py", "with unique name",
  26                 session_bus.get_unique_name()]
  27
  28     @dbus.service.method("com.example.SampleInterface",
  29                          in_signature='', out_signature='')
  30     def RaiseException(self):
  31         raise DemoException('The RaiseException method does what you might '
  32                             'expect')
  33
  34     @dbus.service.method("com.example.SampleInterface",
  35                          in_signature='', out_signature='(ss)')
  36     def GetTuple(self):
  37         return ("Hello Tuple", " from example-service.py")
  38
  39     @dbus.service.method("com.example.SampleInterface",
  40                          in_signature='', out_signature='a{ss}')
  41     def GetDict(self):
  42         return {"first": "Hello Dict", "second": " from example-service.py"}
  43
  44     @dbus.service.method("com.example.SampleInterface",
  45                          in_signature='', out_signature='')
  46     def Exit(self):
  47         mainloop.quit()
  48
  49
  50 if __name__ == '__main__':
  51     dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
  52
  53     session_bus = dbus.SessionBus()
  54     name = dbus.service.BusName("com.example.SampleService", session_bus)
  55     object = SomeObject(session_bus, '/SomeObject')
  56
  57     mainloop = gobject.MainLoop()
  58     print "Running example service."
  59     print usage
  60     mainloop.run()