import asyncio
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from dbus_next.aio import MessageBus
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from dbus_next.service import ServiceInterface, method
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import dbus_next.introspection as intr
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from dbus_next import BusType
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class SampleInterface(ServiceInterface):
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def __init__(self):
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super().__init__('test.interface')
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@method()
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def Ping(self):
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pass
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@method()
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def ConcatStrings(self, what1: 's', what2: 's') -> 's': # noqa: F821
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return what1 + what2
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async def main():
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bus_name = 'dbus.next.sample'
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bus = await MessageBus(bus_type=BusType.SYSTEM).connect()
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bus2 = await MessageBus(bus_type=BusType.SYSTEM).connect()
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await bus.request_name(bus_name)
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service_interface = SampleInterface()
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bus.export('/test/path', service_interface)
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introspection = await bus2.introspect(bus_name, '/test/path')
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assert type(introspection) is intr.Node
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obj = bus2.get_proxy_object(bus_name, '/test/path', introspection)
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interface = obj.get_interface(service_interface.name)
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result = await interface.call_ping()
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assert result is None
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result = await interface.call_concat_strings('hello ', 'world')
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assert result == 'hello world'
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asyncio.run(main())
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