Add some brief todo notes on idea of shielded breakpoint
parent
119cf6d9fc
commit
b414d7b8ba
tractor
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@ -207,11 +207,24 @@ async def _hijack_stdin_relay_to_child(
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return "pdb_unlock_complete"
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return "pdb_unlock_complete"
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async def _breakpoint(debug_func) -> None:
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async def _breakpoint(
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"""``tractor`` breakpoint entry for engaging pdb machinery
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in subactors.
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debug_func,
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# TODO:
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# shield: bool = False
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) -> None:
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'''``tractor`` breakpoint entry for engaging pdb machinery
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in the root or a subactor.
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'''
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# TODO: is it possible to debug a trio.Cancelled except block?
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# right now it seems like we can kinda do with by shielding
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# around ``tractor.breakpoint()`` but not if we move the shielded
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# scope here???
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# with trio.CancelScope(shield=shield):
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"""
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actor = tractor.current_actor()
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actor = tractor.current_actor()
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task_name = trio.lowlevel.current_task().name
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task_name = trio.lowlevel.current_task().name
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@ -291,7 +304,13 @@ async def _breakpoint(debug_func) -> None:
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# this **must** be awaited by the caller and is done using the
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# this **must** be awaited by the caller and is done using the
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# root nursery so that the debugger can continue to run without
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# root nursery so that the debugger can continue to run without
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# being restricted by the scope of a new task nursery.
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# being restricted by the scope of a new task nursery.
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# NOTE: if we want to debug a trio.Cancelled triggered exception
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# we have to figure out how to avoid having the service nursery
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# cancel on this task start? I *think* this works below?
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# actor._service_n.cancel_scope.shield = shield
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await actor._service_n.start(wait_for_parent_stdin_hijack)
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await actor._service_n.start(wait_for_parent_stdin_hijack)
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# actor._service_n.cancel_scope.shield = False
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elif is_root_process():
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elif is_root_process():
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