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GH-124985: Document that `pathlib.Path.copy()` uses copy-on-write. (#125861)

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Barney Gale 2024-11-05 18:43:43 +00:00 committed by GitHub
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@ -1592,6 +1592,11 @@ Copying, moving and deleting
This argument has no effect when copying files on Windows (where This argument has no effect when copying files on Windows (where
metadata is always preserved). metadata is always preserved).
.. note::
Where supported by the operating system and file system, this method
performs a lightweight copy, where data blocks are only copied when
modified. This is known as copy-on-write.
.. versionadded:: 3.14 .. versionadded:: 3.14