From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Tue, 23 Jan 2024 01:12:59 +0000 (+0100)
Subject: [3.12] GH-99334: Explain that `PurePath.is_relative_to()` is purely lexical. (GH... 
X-Git-Tag: v3.12.2~111
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a199ab3f333a2e0bab37db935030f835c0740d08;p=thirdparty%2FPython%2Fcpython.git

[3.12] GH-99334: Explain that `PurePath.is_relative_to()` is purely lexical. (GH-114031) (#114460)

(cherry picked from commit 3a61d24062aaa1e13ba794360b6c765d9a1f2b06)
---

diff --git a/Doc/library/pathlib.rst b/Doc/library/pathlib.rst
index 46a4d10b11d6..701131b5b2ec 100644
--- a/Doc/library/pathlib.rst
+++ b/Doc/library/pathlib.rst
@@ -509,6 +509,13 @@ Pure paths provide the following methods and properties:
       >>> p.is_relative_to('/usr')
       False
 
+   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
 
    .. deprecated-removed:: 3.12 3.14