Patch #941486: add os.path.lexists(). Also fix bug #940578 by using lexists in glob.glob.

1 files changed, 13 insertions, 1 deletions

diff --git a/Lib/macpath.py b/Lib/macpath.py
index 1d3fa56..bca410e 100644
--- a/Lib/macpath.py
+++ b/Lib/macpath.py
@@ -150,7 +150,7 @@ def getctime(filename):
     return os.stat(filename).st_ctime
 
 def exists(s):
-    """Return True if the pathname refers to an existing file or directory."""
+    """Test whether a path exists.  Returns False for broken symbolic links"""    
 
     try:
         st = os.stat(s)
@@ -158,6 +158,18 @@ def exists(s):
         return False
     return True
 
+# Is `stat`/`lstat` a meaningful difference on the Mac?  This is safe in any
+# case.
+
+def lexists(path):
+    """Test whether a path exists.  Returns True for broken symbolic links"""
+
+    try:
+        st = os.lstat(path)
+    except os.error:
+        return False
+    return True
+
 # Return the longest prefix of all list elements.
 
 def commonprefix(m):