--- a/wsgraph/web.py	Sun Dec 09 10:40:17 2012 -0800
+++ b/wsgraph/web.py	Sun Dec 09 14:51:23 2012 -0800
@@ -28,9 +28,16 @@
                            1: JSONFormatter,
                            2: JSONFormatter}
 
+        self.methods = dict([(i, getattr(self, i))
+                             for i in dir(self)
+                             if i.isupper()])
+
     def __call__(self, environ, start_response):
         request = Request(environ)
-        import pdb; pdb.set_trace()
+        method = self.methods.get(request.method)
+        if method is None:
+            return exc.HTTPMethodNotAllowed()(environ, start_response)
+        response = method(request)
         return response(environ, start_response)
 
     @staticmethod
@@ -76,15 +83,30 @@
         """respond to a HEAD request"""
         raise NotImplementedError
 
+    def OPTIONS(self, request):
+        raise NotImplementedError
+
 if __name__ == '__main__':
 
+    ### example web server
+
     # imports
     from wsgiref import simple_server
-    from .model import MemoryCache
+    from model import MemoryCache
+    from optparse import OptionParser
 
+    # parse command line options
+    parser = OptionParser()
+    parser.add_option('-p', '--port', type='int', default=8080,
+                      help="port to serve on")
+    options, args = parser.parse_args()
+
+    # example model
     graph = MemoryCache()
 
+    # WSGI app
     app = Dispatcher(graph=graph)
-    server = simple_server.make_server(host='0.0.0.0', port=8080, app=app)
+    server = simple_server.make_server(host='0.0.0.0', port=options.port, app=app)
+    print 'http://localhost:%s/' % options.port
     server.serve_forever()