On Tue, Nov 14, 2017 at 9:54 AM, Mark E. Haase <[email protected]> wrote:
...
> print('Async Traceback (most recent call last):')
> for frame in traceback.extract_tb(tb):
> head, tail = os.path.split(frame.filename)
> if (head.endswith('asyncio') or tail == 'traceback.py') and \
> frame.name.startswith('_'):
...
> The meat of it is towards the bottom, "if head.endswith('asyncio')..."There
> are a lot of debatable details and this implementation is pretty hacky and
> clumsy, but I have found it valuable in my own usage, and I haven't yet
> missed the omitted stack frames.
It would be better to determine if the qualified module name is
"traceback" or starts with "asyncio." (or topmost package is
"asyncio", etc.) rather than allow false positives for
random_package.asyncio.module._any_function or
random_package.traceback._any_function. I don't see an easy way to
get the module object at this point in your hook; however:
import asyncio, traceback
excluded = [
asyncio.__file__[-len(os.path.basename(asyncio.__file__)):], #
preserve existing separator to attempt being platform-agnostic
traceback.__file__,
]
...
for frame in traceback.extract_tb(tb):
if not any(frame.filename.startswith(x) for x in excluded) and
frame.name.startswith("_"):
Functions starting with "_" in any module can now be excluded from
tracebacks. I'm not fond of this implementation, but I hope it serves
to illustrate.
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