8000 gh-130167: Optimise ``textwrap.dedent()`` by AA-Turner · Pull Request #131919 · python/cpython · GitHub
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gh-130167: Optimise textwrap.dedent() #131919

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Merged
merged 11 commits into from
Mar 31, 2025
Merged

gh-130167: Optimise textwrap.dedent() #131919

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be59df8
Add whitespace tests
AA-Turner Mar 30, 2025
fec6717
Optimise ``textwrap.dedent()``
AA-Turner Mar 30, 2025
19e76d3
Further micro-optimisation for entirely blank input
AA-Turner Mar 30, 2025
850c07a
whitespace
AA-Turner Mar 30, 2025
796fb3e
Use margin as the loop index variable
AA-Turner Mar 30, 2025
ecc9cfc
Add full stops
AA-Turner Mar 30, 2025
311ac87
Further micro-optimisation suggested by Pieter Eendebak
AA-Turner Mar 30, 2025
f2050ae
Remove early-exit check for whitespace-only input, as suggested by Pi…
AA-Turner Mar 30, 2025
1f73bcb
More test updates
AA-Turner Mar 31, 2025
cc67165
Update NEWS
AA-Turner Mar 31, 2025
bf58dfa
Update NEWS
AA-Turner Mar 31, 2025
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Update NEWS
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@AA-Turner
AA-Turner committed Mar 31, 2025
commit bf58dfa27118c0f724eb8395fc9db66df98fccc1
5 changes: 3 additions & 2 deletions Misc/NEWS.d/next/Library/2025-03-30-19-55-10.gh-issue-131792.NNjzFA.rst
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@@ -1,4 +1,5 @@
Improved performance of :func:`textwrap.dedent` by ~2.4x,
Improved performance of :func:`textwrap.dedent` by an average of ~2.4x,
(with improvements of up to 4x for large inputs),
and fixed a bug where blank lines with whitespace characters other than space
or horizontal tab were not normalised to the newline.
Patch by Adam Turner and Marius Juston.
Patch by Adam Turner, Marius Juston, and Pieter Eendebak.
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