8000 gh-118761: substitute `re` import in `base64.b16decode` for a more efficient alternative by picnixz · Pull Request #128736 · python/cpython · GitHub
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gh-118761: substitute re import in base64.b16decode for a more efficient alternative #128736

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Merged
merged 8 commits into from
Jan 14, 2025
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gh-118761: substitute re import in base64.b16decode for a more efficient alternative #128736

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3a92fce
Improve import time of the `base64` module.
picnixz Jan 10, 2025
0b52712
blurb
picnixz Jan 10, 2025
d7b6253
Improve `base64.b16decode()` by a factor 10.
picnixz Jan 13, 2025
9e8fe5d
update NEWS
picnixz Jan 13, 2025
5be6178
Update Misc/NEWS.d/next/Library/2025-01-10-13-06-54.gh-issue-118761.f…
picnixz Jan 13, 2025
b36d915
add What's New entry
picnixz Jan 14, 2025
5562c81
Update Doc/whatsnew/3.14.rst
picnixz Jan 14, 2025
82d18d7
Update Misc/NEWS.d/next/Library/2025-01-10-13-06-54.gh-issue-118761.f…
picnixz Jan 14, 2025
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add What's New entry
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@picnixz
picnixz committed Jan 14, 2025
commit b36d9156fe89441f35fa6c50cc744b46174c095f
11 changes: 11 additions & 0 deletions Doc/whatsnew/3.14.rst
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Expand Up @@ -708,6 +708,17 @@ asyncio
reduces memory usage.
(Contributed by Kumar Aditya in :gh:`107803`.)


base64
------

* Improve performance of :func:`base64.b16decode` by a factor ten by
removing an unnecessary regular expression. Consequently, :mod:`re`
is no more implicitly available as ``base64.re`` and import time of
:mod:`base64` is improved by a factor six.
(Contributed by Bénédikt Tran in :gh:`118761`.)


io
---
* :mod:`io` which provides the built-in :func:`open` makes less system calls
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