--- /opt/python2.6/release26-maint/Lib/urlparse.py	2009-01-14 08:36:05.000000000 -0200
+++ optmizedurlparse.py	2009-01-14 14:49:33.000000000 -0200
@@ -35,11 +35,6 @@
 MAX_CACHE_SIZE = 20
 _parse_cache = {}
 
-def clear_cache():
-    """Clear the parse cache."""
-    _parse_cache.clear()
-
-
 class ResultMixin(object):
     """Shared methods for the parsed result objects."""
 
@@ -136,18 +131,19 @@
     Return a 5-tuple: (scheme, netloc, path, query, fragment).
     Note that we don't break the components up in smaller bits
     (e.g. netloc is a single string) and we don't expand % escapes."""
+    global _parse_cache
     allow_fragments = bool(allow_fragments)
     key = url, scheme, allow_fragments, type(url), type(scheme)
     cached = _parse_cache.get(key, None)
     if cached:
         return cached
     if len(_parse_cache) >= MAX_CACHE_SIZE: # avoid runaway growth
-        clear_cache()
+        _parse_cache = {}
     netloc = query = fragment = ''
     i = url.find(':')
     if i > 0:
-        if url[:i] == 'http': # optimize the common case
-            scheme = url[:i].lower()
+        scheme = url[:i].lower()
+        if scheme == 'http': # optimize the common case
             url = url[i+1:]
             if url[:2] == '//':
                 netloc, url = _splitnetloc(url, 2)
@@ -162,7 +158,7 @@
             if c not in scheme_chars:
                 break
         else:
-            scheme, url = url[:i].lower(), url[i+1:]
+            url = url[i+1:]
     if scheme in uses_netloc and url[:2] == '//':
         netloc, url = _splitnetloc(url, 2)
     if allow_fragments and scheme in uses_fragment and '#' in url: