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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 import sys
from functools import partial from functools import partial
from typing import Awaitable, Tuple from typing import Awaitable, Tuple, Optional, Callable
from async_generator import aclosing from async_generator import aclosing
import tractor import tractor
@ -27,27 +27,8 @@ log = get_logger(__name__)
__all__ = ['breakpoint', 'post_mortem'] __all__ = ['breakpoint', 'post_mortem']
# TODO: is there some way to determine this programatically? # placeholder for function to set a ``trio.Event``
_pdb_exit_patterns = tuple( _pdb_release_hook: Optional[Callable] = None
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)
class TractorConfig(pdbpp.DefaultConfig): class TractorConfig(pdbpp.DefaultConfig):
@ -59,13 +40,32 @@ class TractorConfig(pdbpp.DefaultConfig):
_pdb_release_hook(_pdb) _pdb_release_hook(_pdb)
class PdbwTeardown(pdbpp.Pdb):
"""Add teardown hooks to the regular ``pdbpp.Pdb``.
"""
# override the pdbpp config with our coolio one # 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. # TODO: will be needed whenever we get to true remote debugging.
# XXX see https://github.com/goodboy/tractor/issues/130 # 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( # def subactoruid2proc(
# actor: 'Actor', # noqa # actor: 'Actor', # noqa
# uid: Tuple[str, str] # uid: Tuple[str, str]
@ -170,17 +170,16 @@ def _breakpoint(debug_func) -> Awaitable[None]:
_pdb_release_hook = unlock _pdb_release_hook = unlock
async def _bp(): async def _bp():
# this must be awaited by caller # this **must** be awaited by the caller and is done using the
await actor._root_nursery.start( # root nursery so that the debugger can continue to run without
wait_for_parent_stdin_hijack # 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()`` # block here one (at the appropriate frame *up* where
# was awaited and begin handling stdin # ``breakpoint()`` was awaited and begin handling stdio
debug_func(actor) debug_func(actor)
# return wait_for_parent_stdin_hijack() return _bp() # user code **must** await this!
return _bp()
def _set_trace(actor): def _set_trace(actor):