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gh-143134: Docs: clarify PYTHONDONTWRITEBYTECODE behavior #143144

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gh-143134: Docs: clarify PYTHONDONTWRITEBYTECODE behavior #143144

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Docs: fix PYTHONDONTWRITEBYTECODE description
Javed-Shekh777 Dec 24, 2025
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Docs: clarify PYTHONDONTWRITEBYTECODE behavior
Javed-Shekh777 Dec 24, 2025
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Merge branch 'main' into docs-fix-pythondontwritebytecode
Javed-Shekh777 Dec 24, 2025
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Docs: clarify PYTHONDONTWRITEBYTECODE behavior
Javed-Shekh777 Dec 24, 2025
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Docs: clarify PYTHONDONTWRITEBYTECODE behavior
Javed-Shekh777 Dec 24, 2025
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Docs: clarify PYTHONDONTWRITEBYTECODE behavior
Javed-Shekh777 Dec 24, 2025
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Merge branch 'docs-fix-pythondontwritebytecode' of https://github.com…
Javed-Shekh777 Dec 24, 2025
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7 changes: 4 additions & 3 deletions Doc/using/cmdline.rst
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Expand Up @@ -880,9 +880,10 @@ conflict.

.. envvar:: PYTHONDONTWRITEBYTECODE

If this is set to a non-empty string, Python won't try to write ``.pyc``
files on the import of source modules. This is equivalent to
specifying the :option:`-B` option.
If this is set to a non-zero integer value, Python won't try to write
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``.pyc`` files on the import of source modules. Setting it to ``0`` does
not disable bytecode writing. This is equivalent to specifying the
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@StanFromIreland StanFromIreland Dec 24, 2025

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Why add "Setting it to 0 does not disable bytecode writing," it is already implied by the first sentence ("other than 0"), no?

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@vstinner vstinner Dec 27, 2025

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Yeah, I suggest to remove this sentence.

:option:`-B` option.


.. envvar:: PYTHONPYCACHEPREFIX
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