Issue #8179: Fix macpath.realpath() on a non-existing path.

Lib/macpath.py

@@ -206,7 +206,10 @@ def realpath(path):
     path = components[0] + ':'
     for c in components[1:]:
         path = join(path, c)
+        try:
             path = Carbon.File.FSResolveAliasFile(path, 1)[0].as_pathname()
+        except Carbon.File.Error:
+            pass
     return path
 
 supports_unicode_filenames = False

Misc/NEWS

@@ -24,6 +24,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #8179: Fix macpath.realpath() on a non-existing path.
+
 - Issue #8024: Update the Unicode database to 5.2.
 
 - Issue #8104: socket.recv_into() and socket.recvfrom_into() now support