introduce EmptyRequest class

netlib/http/http1/protocol.py

@@ -333,7 +333,7 @@ class HTTP1Protocol(object):
         return -1
 
 
-    def read_request(self, include_body=True, body_size_limit=None):
+    def read_request(self, include_body=True, body_size_limit=None, allow_empty=False):
         """
         Parse an HTTP request from a file stream
 
@@ -354,7 +354,10 @@ class HTTP1Protocol(object):
 
         request_line = self.get_request_line()
         if not request_line:
-            raise tcp.NetLibDisconnect()
+            if allow_empty:
+                return http.EmptyRequest()
+            else:
+                raise tcp.NetLibDisconnect()
 
         request_line_parts = self.parse_init(request_line)
         if not request_line_parts:

netlib/http/semantics.py

@@ -38,6 +38,20 @@ class Request(object):
         return "Request(%s - %s, %s)" % (self.method, self.host, self.path)
 
 
+class EmptyRequest(Request):
+    def __init__(self):
+        super(EmptyRequest, self).__init__(
+            form_in="",
+            method="",
+            scheme="",
+            host="",
+            port="",
+            path="",
+            httpversion="",
+            headers="",
+            body="",
+            )
+
 class ConnectRequest(Request):
     def __init__(self, host, port):
         super(ConnectRequest, self).__init__(