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bpo-45711: Change exc_info related APIs to derive type and traceback from the exception instance #29780

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Merged
iritkatriel merged 9 commits into from
Nov 30, 2021
Merged

bpo-45711: Change exc_info related APIs to derive type and traceback from the exception instance #29780

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bpo-45711: Change exc_info related APIs to derive type and traceback …
iritkatriel Nov 25, 2021
e8645ff
📜🤖 Added by blurb_it.
blurb-it[bot] Nov 25, 2021
971887a
Tweak news text
iritkatriel Nov 26, 2021
995ec59
remove p_ prefix from arg names in PyErr_SetExcInfo
iritkatriel Nov 26, 2021
92835f0
type is None if value is None or NULL
iritkatriel Nov 26, 2021
4602710
wrap news text
iritkatriel Nov 26, 2021
7bc139f
tweak doc wording to add 'and can be NULL'
iritkatriel Nov 26, 2021
05af230
Use traceback from exception instead of exc_info in reraise
iritkatriel Nov 29, 2021
f17222d
Merge remote-tracking branch 'upstream/main' into 45711-change-apis
iritkatriel Nov 30, 2021
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@iritkatriel
iritkatriel committed Nov 26, 2021
commit 4602710afd4a0e55a8e6ff5acb08063965153732
7 changes: 6 additions & 1 deletion Misc/NEWS.d/next/Core and Builtins/2021-11-25-17-51-29.bpo-45711.D2igmz.rst
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The three values of ``exc_info`` are now always consistent with each other. In particular, the ``type`` and ``traceback`` fields are now derived from the exception instance. This impacts the return values of :func:`sys.exc_info` and :c:func:`PyErr_GetExcInfo()` if the exception instance is modified while the exception is handled, as well as :c:func:`PyErr_SetExcInfo()`, which now ignores the ``type`` and ``traceback`` arguments provided to it.
The three values of ``exc_info`` are now always consistent with each other.
In particular, the ``type`` and ``traceback`` fields are now derived from
the exception instance. This impacts the return values of :func:`sys.exc_info`
and :c:func:`PyErr_GetExcInfo()` if the exception instance is modified while
the exception is handled, as well as :c:func:`PyErr_SetExcInfo()`, which now
ignores the ``type`` and ``traceback`` arguments provided to it.