--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wsgi.py	Sun Feb 08 03:17:07 2009 +0200
@@ -0,0 +1,68 @@
+
+"""
+    WSGI application implementation
+"""
+
+# for error reporting
+import sys, traceback
+
+# for Request/Response
+import http
+
+class Application (object) :
+    """
+        Our WSGI application, implements the wsgi __call__ interface
+    """
+
+    def __init__ (self, handler) :
+        """
+            Initialize to use the given handler for requests
+        """
+
+        self.handler = handler
+    
+    def handle_request (self, env, start_response) :
+        """
+            The actual request handling code
+        """
+
+        # build Request object
+        request = http.Request(env)
+
+        try :
+            # request -> response using our handler
+            response = self.handler.handle_request(request)
+
+        except http.ResponseError, err :
+            # just use the generated response
+            response = err.get_response()
+
+        # send response
+        assert response, "No response"
+        
+        # send response status/headers
+        start_response(response.get_status(), response.get_headers())
+
+        # send respones data
+        yield response.get_data()
+
+    def __call__ (self, env, start_response) :
+        """
+            Wraps handle_request to trap errors
+        """
+
+        try :
+            # passthrough request_handler
+            for chunk in self.handle_request(env, start_response) :
+                yield chunk
+
+        except :
+            # execption info
+            info = sys.exc_info()
+
+            # try and send 500 ISE to browser, if no headers yet...
+            start_response("500 Internal Server Error", [('Content-type', "text/plain; charset=utf8")], info)
+
+            # send traceback
+            yield traceback.format_exc()
+