[issue25379] Changes in traceback broke existing code (Python 3.5)

[Bert JW Regeer]

New submission from Bert JW Regeer:

One of the changes in Python 3.5's traceback functionality broke existing code 
compared to Python 3.4 by injecting an extra stack frame into the list when 
using traceback.extract_stack:

What this looks like on Python 3.5:

pyramid/tests/test_config/test_init.py 1108 includeme2 config.add_view(view2)
pyramid/util.py 526 wrapper return wrapped(self, *arg, **defaults)
pyramid/util.py 557 wrapper f = traceback.extract_stack(limit=4)
/Users/xistence/.pyenv/versions/3.5.0/lib/python3.5/traceback.py 201 
extract_stack stack = StackSummary.extract(walk_stack(f), limit=limit)

What it used to look like on Python 3.4:

pyramid/config/__init__.py 798 include c(configurator)
pyramid/tests/test_config/test_init.py 1108 includeme2 config.add_view(view2)
pyramid/util.py 526 wrapper return wrapped(self, *arg, **defaults)
pyramid/util.py 557 wrapper f = traceback.extract_stack(limit=4)

Notice that in the Python 3.5 version:

/Users/xistence/.pyenv/versions/3.5.0/lib/python3.5/traceback.py 201 
extract_stack stack = StackSummary.extract(walk_stack(f), limit=limit)

Is added.

We are tracking this issue here: https://github.com/Pylons/pyramid/issues/1973 
on our side.

--
messages: 252841
nosy: X-Istence
priority: normal
severity: normal
status: open
title: Changes in traceback broke existing code (Python 3.5)
type: behavior
versions: Python 3.5

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[issue25379] Changes in traceback broke existing code (Python 3.5)

[Berker Peksag]

Berker Peksag added the comment:

Thanks for the report! Yes, this is a duplicate of issue 25108. It would be 
great if you have time to test it with the current 3.5 branch.

--
components: +Library (Lib)
nosy: +berker.peksag
resolution:  -> duplicate
stage:  -> resolved
status: open -> closed
superseder:  -> traceback.extract_stack() compatibility break in 3.5

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[issue25379] Changes in traceback broke existing code (Python 3.5)

[Bert JW Regeer]

Bert JW Regeer added the comment:

Looks like this is a dup of: https://bugs.python.org/issue25108

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