import tractor def movie_theatre_question(): """A question asked in a dark theatre, in a tangent (errr, I mean different) process. """ return 'have you ever seen a portal?' async def main(): """The main ``tractor`` routine. """ async with tractor.open_nursery() as n: portal = await n.start_actor( 'frank', # enable the actor to run funcs from this current module rpc_module_paths=[__name__], ) print(await portal.run(__name__, 'movie_theatre_question')) # call the subactor a 2nd time print(await portal.run(__name__, 'movie_theatre_question')) # the async with will block here indefinitely waiting # for our actor "frank" to complete, but since it's an # "outlive_main" actor it will never end until cancelled await portal.cancel_actor() if __name__ == '__main__': tractor.run(main)