From: Fred Drake <fdrake@acm.org>
Date: Thu, 12 Jul 2001 21:08:33 +0000 (+0000)
Subject: Actually remove directories from sys.path if they do not exist; the intent
X-Git-Tag: v2.2a3~1239
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=fd4ff52c2200078a6f55d85901c46fee83b1d420;p=thirdparty%2FPython%2Fcpython.git

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 16540f6255a0..7848553122f3 100644
--- a/Lib/site.py
+++ b/Lib/site.py
@@ -79,6 +79,10 @@ del m
 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)