Fixed the breakage in [6164] in a different, better way: HttpResponse now implements __contains__ along with __get/set/delitem__, as it should. This is a bit more robust, and should prevent similar breakage from user code.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@6221 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/handlers/base.py

@@ -142,7 +142,7 @@ def fix_location_header(request, response):
     Code constructing response objects is free to insert relative paths and
     this function converts them to absolute paths.
     """
-    if 'location' in response.headers and http.get_host(request):
+    if 'Location' in response and http.get_host(request):
         response['Location'] = request.build_absolute_uri(response['Location'])
     return response
 

django/http/__init__.py

@@ -273,6 +273,8 @@ class HttpResponse(object):
         "Case-insensitive check for a header"
 	return self.headers.has_key(header.lower())
 
+    __contains__ = has_header
+
     def set_cookie(self, key, value='', max_age=None, expires=None, path='/', domain=None, secure=None):
         self.cookies[key] = value
         for var in ('max_age', 'path', 'domain', 'secure', 'expires'):