https://github.com/python/cpython/commit/ff8349979c2ca4e442afc583e1217519611c6c48
commit: ff8349979c2ca4e442afc583e1217519611c6c48
branch: main
author: Barney Gale <[email protected]>
committer: barneygale <[email protected]>
date: 2024-11-05T18:43:43Z
summary:
GH-124985: Document that `pathlib.Path.copy()` uses copy-on-write. (#125861)
files:
M Doc/library/pathlib.rst
diff --git a/Doc/library/pathlib.rst b/Doc/library/pathlib.rst
index b6fb36554f7cec..a42ac1f8bcdf71 100644
--- a/Doc/library/pathlib.rst
+++ b/Doc/library/pathlib.rst
@@ -1592,6 +1592,11 @@ Copying, moving and deleting
This argument has no effect when copying files on Windows (where
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
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