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tractor
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Cleanups and more comments

debug_tests
Tyler Goodlet 2020-07-30 10:42:22 -04:00
parent 68773d51fd
commit f9ef3fc5de
1 changed files with 31 additions and 32 deletions
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61
tractor/_debug.py
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@ -3,7 +3,7 @@ Multi-core debugging for da peeps!
"""
import sys
from functools import partial
from typing import Awaitable, Tuple
from typing import Awaitable, Tuple, Optional, Callable
from async_generator import aclosing
import tractor
@ -27,27 +27,8 @@ log = get_logger(__name__)
__all__ = ['breakpoint', 'post_mortem']
# TODO: is there some way to determine this programatically?
_pdb_exit_patterns = tuple(
str.encode(patt + "\n") for patt in ('c', 'cont', 'continue', 'q', 'quit')
)
_pdb_release_hook = None
class PdbwTeardown(pdbpp.Pdb):
"""Add teardown hooks to the regular ``pdbpp.Pdb``.
"""
# TODO: figure out how to dissallow recursive .set_trace() entry
# since that'll cause deadlock for us.
def set_continue(self):
super().set_continue()
self.config.teardown(self)
def set_quit(self):
super().set_quit()
self.config.teardown(self)
# placeholder for function to set a ``trio.Event``
_pdb_release_hook: Optional[Callable] = None
class TractorConfig(pdbpp.DefaultConfig):
@ -59,13 +40,32 @@ class TractorConfig(pdbpp.DefaultConfig):
_pdb_release_hook(_pdb)
class PdbwTeardown(pdbpp.Pdb):
"""Add teardown hooks to the regular ``pdbpp.Pdb``.
"""
# override the pdbpp config with our coolio one
pdbpp.Pdb.DefaultConfig = TractorConfig
DefaultConfig = TractorConfig
# TODO: figure out how to dissallow recursive .set_trace() entry
# since that'll cause deadlock for us.
def set_continue(self):
super().set_continue()
self.config.teardown(self)
def set_quit(self):
super().set_quit()
self.config.teardown(self)
# TODO: will be needed whenever we get to true remote debugging.
# XXX see https://github.com/goodboy/tractor/issues/130
# # TODO: is there some way to determine this programatically?
# _pdb_exit_patterns = tuple(
# str.encode(patt + "\n") for patt in (
# 'c', 'cont', 'continue', 'q', 'quit')
# )
# def subactoruid2proc(
# actor: 'Actor', # noqa
# uid: Tuple[str, str]
@ -170,17 +170,16 @@ def _breakpoint(debug_func) -> Awaitable[None]:
_pdb_release_hook = unlock
async def _bp():
# this must be awaited by caller
await actor._root_nursery.start(
wait_for_parent_stdin_hijack
)
# this **must** be awaited by the caller and is done using the
# root nursery so that the debugger can continue to run without
# being restricted by the scope of a new task nursery.
await actor._root_nursery.start(wait_for_parent_stdin_hijack)
# block here one frame up where ``breakpoint()``
# was awaited and begin handling stdin
# block here one (at the appropriate frame *up* where
# ``breakpoint()`` was awaited and begin handling stdio
debug_func(actor)
# return wait_for_parent_stdin_hijack()
return _bp()
return _bp() # user code **must** await this!
def _set_trace(actor):