Actually remove directories from sys.path if they do not exist; the intent
is to avoid as many stat() calls as we can.
diff --git a/Lib/site.py b/Lib/site.py
index 16540f6..7848553 100644
--- a/Lib/site.py
+++ b/Lib/site.py
@@ -79,6 +79,10 @@
L = []
dirs_in_sys_path = {}
for dir in sys.path:
+ # Filter out paths that don't exist, but leave in the empty string
+ # since it's a special case.
+ if dir and not os.path.isdir(dir):
+ continue
dir, dircase = makepath(dir)
if not dirs_in_sys_path.has_key(dircase):
L.append(dir)