From fa3d8938cd8a545e18dff170fde90cb41149c933 Mon Sep 17 00:00:00 2001
From: BecoKo <koev_v@yahoo.com>
Date: Mon, 19 May 2025 12:33:15 +0300
Subject: [PATCH] gh-76023: Make os.path.realpath to ignore WinError 1005 in
 non-strict mode (GH-128328) (cherry picked from commit
 d55e11b8049e3abf3cc187b4958224b225a39897)

Co-authored-by: BecoKo <koev_v@yahoo.com>
---
 Lib/ntpath.py                                                  | 3 ++-
 .../next/Windows/2025-05-19-03-02-04.gh-issue-76023.vHOf6M.rst | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)
 create mode 100644 Misc/NEWS.d/next/Windows/2025-05-19-03-02-04.gh-issue-76023.vHOf6M.rst

diff --git a/Lib/ntpath.py b/Lib/ntpath.py
index 5481bb8888ef59..52ff2af743af6c 100644
--- a/Lib/ntpath.py
+++ b/Lib/ntpath.py
@@ -661,9 +661,10 @@ def _getfinalpathname_nonstrict(path):
         # 87: ERROR_INVALID_PARAMETER
         # 123: ERROR_INVALID_NAME
         # 161: ERROR_BAD_PATHNAME
+        # 1005: ERROR_UNRECOGNIZED_VOLUME
         # 1920: ERROR_CANT_ACCESS_FILE
         # 1921: ERROR_CANT_RESOLVE_FILENAME (implies unfollowable symlink)
-        allowed_winerror = 1, 2, 3, 5, 21, 32, 50, 53, 65, 67, 87, 123, 161, 1920, 1921
+        allowed_winerror = 1, 2, 3, 5, 21, 32, 50, 53, 65, 67, 87, 123, 161, 1005, 1920, 1921
 
         # Non-strict algorithm is to find as much of the target directory
         # as we can and join the rest.
diff --git a/Misc/NEWS.d/next/Windows/2025-05-19-03-02-04.gh-issue-76023.vHOf6M.rst b/Misc/NEWS.d/next/Windows/2025-05-19-03-02-04.gh-issue-76023.vHOf6M.rst
new file mode 100644
index 00000000000000..958f4f4a4408f7
--- /dev/null
+++ b/Misc/NEWS.d/next/Windows/2025-05-19-03-02-04.gh-issue-76023.vHOf6M.rst
@@ -0,0 +1 @@
+Make :func:`os.path.realpath` ignore Windows error 1005 when in non-strict mode.