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bpo-39764: Make Task.get_stack accept ag_frame (#18669)

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Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
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Lidi Zheng 2020-03-02 04:45:54 -08:00 • committed by GitHub
parent 1382c3289b
commit 4482337dec
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3 changed files with 26 additions and 3 deletions
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13
Lib/asyncio/base_tasks.py
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@ -24,11 +24,18 @@ def _task_repr_info(task):
def _task_get_stack(task, limit):
frames = []
try:
# 'async def' coroutines
if hasattr(task._coro, 'cr_frame'):
# case 1: 'async def' coroutines
f = task._coro.cr_frame
except AttributeError:
elif hasattr(task._coro, 'gi_frame'):
# case 2: legacy coroutines
f = task._coro.gi_frame
elif hasattr(task._coro, 'ag_frame'):
# case 3: async generators
f = task._coro.ag_frame
else:
# case 4: unknown objects
f = None
if f is not None:
while f is not None:
if limit is not None: