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| author | Nathaniel J. Smith <njs@pobox.com> | 2018-01-07 05:30:18 -0800 |
|---|---|---|
| committer | Nick Coghlan <ncoghlan@gmail.com> | 2018-01-07 23:30:18 +1000 |
| commit | e46a8af450210ee5c7f0459ad6beddbc626ae60f (patch) | |
| tree | 7d8abe4ccbec09008bec52d603446599feb84fda /Lib/test/test_genericpath.py | |
| parent | d327ae6ba157fb5118df28a86975c5ca523f05e2 (diff) | |
| download | cpython-git-e46a8af450210ee5c7f0459ad6beddbc626ae60f.tar.gz | |
bpo-30579: Allow TracebackType creation and tb_next mutation from Python (GH-4793)
Third party projects may wish to hide their own internal machinery in
order to present more comprehensible tracebacks to end users
(e.g. Jinja2 and Trio both do this).
Previously such projects have had to rely on ctypes to do so:
https://github.com/pallets/jinja/blob/fe3dadacdf4cf411d0a5b6bbd4d5234697a28af2/jinja2/debug.py#L345
https://github.com/python-trio/trio/blob/1e86b1aee8c0c759f6f239ae53a05d0d3963c629/trio/_core/_multierror.py#L296
This provides a Python level API for creating and modifying real
Traceback objects, allowing tracebacks to be edited at runtime.
Patch by Nathaniel Smith.
Diffstat (limited to 'Lib/test/test_genericpath.py')
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