From c1385c9a176b8d8113f05cb5e920392016bda0cd Mon Sep 17 00:00:00 2001
From: Benjamin Lee <benjamin.lee@realthought.net>
Date: Tue, 17 Nov 2015 04:51:20 +1100
Subject: [PATCH] Fix to ignore empty header value.

According to Augmented BNF in the following RFCs

http://tools.ietf.org/html/rfc5234#section-3.6

http://www.w3.org/Protocols/rfc2616/rfc2616-sec2.html#sec2.1

        field-value    = *( field-content | LWS )

http://tools.ietf.org/html/rfc7230#section-3.2

        field-value    = *( field-content / obs-fold )

... the HTTP message header `field-value` is allowed to be empty.
---
 netlib/http/http1/read.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/netlib/http/http1/read.py b/netlib/http/http1/read.py
index 0f6de26ca..6e3a1b93a 100644
--- a/netlib/http/http1/read.py
+++ b/netlib/http/http1/read.py
@@ -321,7 +321,7 @@ def _read_headers(rfile):
             try:
                 name, value = line.split(b":", 1)
                 value = value.strip()
-                if not name or not value:
+                if not name:
                     raise ValueError()
                 ret.append([name, value])
             except ValueError: