52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
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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)
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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('name_error_1', name_error)
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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() as n:
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# spawn both actors
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portal1 = await n.run_in_actor('bp_forever', breakpoint_forever)
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portal = await n.run_in_actor('name_error', name_error)
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portal2 = await n.run_in_actor('spawn_error', spawn_error)
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# attempt to collect results (which raises error in parent)
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# still has some issues where the parent seems to get stuck
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# await portal.result()
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# await portal1.result()
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# await portal2.result()
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if __name__ == '__main__':
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tractor.run(main, debug_mode=True)
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