53 lines
1.4 KiB
Python
53 lines
1.4 KiB
Python
import tractor
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import trio
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async def breakpoint_forever():
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"Indefinitely re-enter debugger in child actor."
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while True:
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await trio.sleep(0.1)
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await tractor.breakpoint()
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async def name_error():
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"Raise a ``NameError``"
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getattr(doggypants) # noqa
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async def spawn_error():
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""""A nested nursery that triggers another ``NameError``.
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"""
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async with tractor.open_nursery() as n:
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portal = await n.run_in_actor(
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name_error,
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name='name_error_1',
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)
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return await portal.result()
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async def main():
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"""The main ``tractor`` routine.
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The process tree should look as approximately as follows:
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-python examples/debugging/multi_subactors.py
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|-python -m tractor._child --uid ('name_error', 'a7caf490 ...)
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|-python -m tractor._child --uid ('bp_forever', '1f787a7e ...)
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`-python -m tractor._child --uid ('spawn_error', '52ee14a5 ...)
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`-python -m tractor._child --uid ('name_error', '3391222c ...)
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"""
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async with tractor.open_nursery(
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debug_mode=True,
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) as n:
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# Spawn both actors, don't bother with collecting results
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# (would result in a different debugger outcome due to parent's
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# cancellation).
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await n.run_in_actor(breakpoint_forever)
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await n.run_in_actor(name_error)
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await n.run_in_actor(spawn_error)
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if __name__ == '__main__':
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trio.run(main)
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