https://github.com/python/cpython/commit/20f3669ac2f989646f0e9ba42b3f658febb334c7
commit: 20f3669ac2f989646f0e9ba42b3f658febb334c7
branch: 3.11
author: Barney Gale <[email protected]>
committer: barneygale <[email protected]>
date: 2024-01-23T01:16:21Z
summary:

[3.11] GH-99334: Explain that `PurePath.is_relative_to()` is purely lexical. 
(GH-114031) (#114461)

(cherry picked from commit 3a61d24062aaa1e13ba794360b6c765d9a1f2b06)

files:
M Doc/library/pathlib.rst

diff --git a/Doc/library/pathlib.rst b/Doc/library/pathlib.rst
index 2d35285c12bd31..283e324a7f1b05 100644
--- a/Doc/library/pathlib.rst
+++ b/Doc/library/pathlib.rst
@@ -510,6 +510,13 @@ Pure paths provide the following methods and properties:
 
    If multiple arguments are supplied, they are joined together.
 
+   This method is string-based; it neither accesses the filesystem nor treats
+   "``..``" segments specially. The following code is equivalent:
+
+      >>> u = PurePath('/usr')
+      >>> u == p or u in p.parents
+      False
+
    .. versionadded:: 3.9
 
 

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