bpo-45292: [PEP 654] Update traceback display code to work with exception groups#29207

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iritkatriel merged 27 commits into

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iritkatriel:bpo-45292-traceback

Nov 5, 2021

Commits on Oct 25, 2021

C traceback code
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add ExceptionGroups support to traceback.py
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remove 'with X sub-exceptions' line from tracebacks
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pass margin instead of margin_char
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update news
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excs is tuple, use PyTuple apis. Change check to assertion.
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remove redundant num_excs > 0 check (it is asserted above)
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remove cpython_only from exception group tests
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handle recursion errors (vert deeply nested EGs)
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WRITE_INDENTED_MARGIN macro --> write_indented_margin function
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move new traceback utils to internal/
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test improvements
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pep7, improve error checking and clarity
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add missing test to cover print_chained with/without parent_label
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compare the complete expected tb text
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Update Misc/NEWS.d/next/Core and Builtins/2021-09-26-18-18-50.bpo-45292.aX5HVr.rst
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don't need the regex anymore
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remove full-path labels
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int --> bool
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move code around
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bpo-45292: [PEP 654] Update traceback display code to work with exception groups#29207

bpo-45292: [PEP 654] Update traceback display code to work with exception groups#29207
iritkatriel merged 27 commits into
python:mainpython/cpython:mainfrom
iritkatriel:bpo-45292-tracebackiritkatriel/cpython:bpo-45292-tracebackCopy head branch name to clipboard

Commits on Oct 25, 2021

C traceback code

add ExceptionGroups support to traceback.py

remove 'with X sub-exceptions' line from tracebacks

pass margin instead of margin_char

update news

excs is tuple, use PyTuple apis. Change check to assertion.

remove redundant num_excs > 0 check (it is asserted above)

remove cpython_only from exception group tests

handle recursion errors (vert deeply nested EGs)

Commits on Oct 26, 2021

WRITE_INDENTED_MARGIN macro --> write_indented_margin function

move new traceback utils to internal/

test improvements

pep7, improve error checking and clarity

add missing test to cover print_chained with/without parent_label

compare the complete expected tb text

Update Misc/NEWS.d/next/Core and Builtins/2021-09-26-18-18-50.bpo-45292.aX5HVr.rst

don't need the regex anymore

Commits on Oct 29, 2021

remove full-path labels

int --> bool

move code around

Commits on Oct 31, 2021

Tweak the top-level of traceback box as suggested by Yury

Commits on Nov 1, 2021

tidy up error handling

Commits on Nov 2, 2021

add limits for width and depth of formatted exception groups

use _PyBaseExceptionGroup_Check macro

remove redundant PyErr_Clear

minor tweak - move if out of loop

Commits on Nov 3, 2021

remove excess whitespace

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