gh-146646: Document that glob functions suppress OSError (#147996)

Author: WYSIATI

Doc/library/glob.rst

@@ -83,6 +83,11 @@ The :mod:`!glob` module defines the following functions:
       This function may return duplicate path names if *pathname*
       contains multiple "``**``" patterns and *recursive* is true.
 
+   .. note::
+      Any :exc:`OSError` exceptions raised from scanning the filesystem are
+      suppressed. This includes :exc:`PermissionError` when accessing
+      directories without read permission.
+
    .. versionchanged:: 3.5
       Support for recursive globs using "``**``".
 
@@ -106,6 +111,11 @@ The :mod:`!glob` module defines the following functions:
       This function may return duplicate path names if *pathname*
       contains multiple "``**``" patterns and *recursive* is true.
 
+   .. note::
+      Any :exc:`OSError` exceptions raised from scanning the filesystem are
+      suppressed. This includes :exc:`PermissionError` when accessing
+      directories without read permission.
+
    .. versionchanged:: 3.5
       Support for recursive globs using "``**``".
 

Doc/library/pathlib.rst

@@ -1351,6 +1351,11 @@ Reading directories
    ``False``, this method follows symlinks except when expanding "``**``"
    wildcards. Set *recurse_symlinks* to ``True`` to always follow symlinks.
 
+   .. note::
+      Any :exc:`OSError` exceptions raised from scanning the filesystem are
+      suppressed. This includes :exc:`PermissionError` when accessing
+      directories without read permission.
+
    .. audit-event:: pathlib.Path.glob self,pattern pathlib.Path.glob
 
    .. versionchanged:: 3.12
@@ -1377,6 +1382,11 @@ Reading directories
       The paths are returned in no particular order.
       If you need a specific order, sort the results.
 
+   .. note::
+      Any :exc:`OSError` exceptions raised from scanning the filesystem are
+      suppressed. This includes :exc:`PermissionError` when accessing
+      directories without read permission.
+
    .. seealso::
       :ref:`pathlib-pattern-language` and :meth:`Path.glob` documentation.
 

Misc/NEWS.d/next/Documentation/2026-04-02-07-20-00.gh-issue-146646.GlobDoc1.rst

@@ -0,0 +1,3 @@
+Document that :func:`glob.glob`, :func:`glob.iglob`,
+:meth:`pathlib.Path.glob`, and :meth:`pathlib.Path.rglob` silently suppress
+:exc:`OSError` exceptions raised from scanning the filesystem.