80 lines
1.8 KiB
Python
80 lines
1.8 KiB
Python
import asyncio
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import trio
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import tractor
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async def bp_then_error(
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to_trio: trio.MemorySendChannel,
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from_trio: asyncio.Queue,
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) -> None:
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# sync with ``trio``-side (caller) task
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to_trio.send_nowait('start')
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# NOTE: what happens here inside the hook needs some refinement..
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# => seems like it's still `._debug._set_trace()` but
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# we set `Lock.local_task_in_debug = 'sync'`, we probably want
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# some further, at least, meta-data about the task/actoq in debug
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# in terms of making it clear it's asyncio mucking about.
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breakpoint()
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await asyncio.sleep(0.5)
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raise ValueError('blah')
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async def aio_sleep_forever():
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await asyncio.sleep(float('inf'))
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@tractor.context
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async def trio_ctx(
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ctx: tractor.Context,
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):
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# this will block until the ``asyncio`` task sends a "first"
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# message, see first line in above func.
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async with (
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tractor.to_asyncio.open_channel_from(bp_then_error) as (first, chan),
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trio.open_nursery() as n,
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):
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assert first == 'start'
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await ctx.started(first)
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n.start_soon(
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tractor.to_asyncio.run_task,
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aio_sleep_forever,
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)
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await trio.sleep_forever()
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async def main():
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async with tractor.open_nursery() as n:
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p = await n.start_actor(
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'aio_daemon',
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enable_modules=[__name__],
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infect_asyncio=True,
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debug_mode=True,
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loglevel='cancel',
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)
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async with p.open_context(trio_ctx) as (ctx, first):
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assert first == 'start'
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await trio.sleep_forever()
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assert 0
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# TODO: case where we cancel from trio-side while asyncio task
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# has debugger lock?
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# await p.cancel_actor()
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if __name__ == '__main__':
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trio.run(main)
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