--- a/contenttransformer/web.py	Mon Jan 11 11:32:24 2010 -0500
+++ b/contenttransformer/web.py	Wed Jan 13 23:58:13 2010 -0500
@@ -19,17 +19,17 @@
             setattr(self, key, kw.get(key, self.defaults[key]))
         assert os.path.exists(self.directory)
         self.transforms = [ [j.strip() for j in i.split('=', 1) ] for i in self.transforms.split(',') if '=' in i]
-        self.handler = FileTypeTransformer(*self.transforms)
+        self.transformer = FileTypeTransformer(*self.transforms)
         if self.app:
             assert hasattr(self.app, '__call__')
 
     ### methods dealing with HTTP
     def __call__(self, environ, start_response):
         request = Request(environ)
-        path = os.path.join(self.directory, request.path_info)
-        if os.path.exists(path):
-            handler = 
+        path = os.path.join(self.directory, request.path_info.strip('/'))
+        if os.path.exists(path) and os.path.isfile(path):
+            handler = self.transformer(path)
+            return handler(environ, start_response)
         else:
-            handler = exc.HTTPNotFound()
-            pass # TODO: if self.app ...
-        return res(environ, start_response)
+            # TODO: if self.app ... 
+            return exc.HTTPNotFound()(environ, start_response)