pythongh-57179: Add note on symlinks for os.walk (pythonGH-94799)

(cherry picked from commit 0f498f1) Co-authored-by: Stanley <46876382+slateny@users.noreply.github.com>
miss-islington · Oct 7, 2022 · 0322ccc · 0322ccc
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diff --git a/Doc/library/os.rst b/Doc/library/os.rst
@@ -3208,7 +3208,8 @@ features:
    filenames)``.
 
    *dirpath* is a string, the path to the directory.  *dirnames* is a list of the
-   names of the subdirectories in *dirpath* (excluding ``'.'`` and ``'..'``).
+   names of the subdirectories in *dirpath* (including symlinks to directories,
+   and excluding ``'.'`` and ``'..'``).
    *filenames* is a list of the names of the non-directory files in *dirpath*.
    Note that the names in the lists contain no path components.  To get a full path
    (which begins with *top*) to a file or directory in *dirpath*, do

diff --git a/Lib/os.py b/Lib/os.py
@@ -288,7 +288,8 @@ def walk(top, topdown=True, onerror=None, followlinks=False):
         dirpath, dirnames, filenames
 
     dirpath is a string, the path to the directory.  dirnames is a list of
-    the names of the subdirectories in dirpath (excluding '.' and '..').
+    the names of the subdirectories in dirpath (including symlinks to directories,
+    and excluding '.' and '..').
     filenames is a list of the names of the non-directory files in dirpath.
     Note that the names in the lists are just names, with no path components.
     To get a full path (which begins with top) to a file or directory in