forked from goodboy/tractor
52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
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from itertools import cycle
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from pprint import pformat
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import trio
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import tractor
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_snd_chan, _recv_chan = trio.open_memory_channel(100)
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_actor_state = {'some_state_stuff': None}
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async def update_local_state(msg: dict):
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global _actor_state
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actor = tractor.current_actor()
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print(f'Yo we got a message {msg}')
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# update the "actor state"
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_actor_state.update(msg)
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print(f'New local "state" for {actor.uid} is {pformat(_actor_state)}')
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# we're done so exit this task running in the subactor
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async def main():
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# Main process/thread that spawns one sub-actor and sends messages
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# to it to update it's state.
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actor_portals = []
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# XXX: that subactor can **not** outlive it's parent, this is SC.
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async with tractor.open_nursery() as tn:
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portal = await tn.start_actor('even_boy', enable_modules=[__name__])
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actor_portals.append(portal)
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portal = await tn.start_actor('odd_boy', enable_modules=[__name__])
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actor_portals.append(portal)
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for i, (count, portal) in enumerate(
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zip(range(100), cycle(actor_portals))
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):
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await portal.run(update_local_state, msg={f'msg_{i}': count})
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# blocks here indefinitely synce we spawned "daemon actors using
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# .start_actor()`, you'll need to control-c to cancel.
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if __name__ == '__main__':
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trio.run(main)
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