commit 74ebd9e6a3c50b7816e5d11423c298acb5b7af81
author Senthil Kumaran <orsenthil@gmail.com> Sat Nov 13 12:27:49 2010 +0000
committer Senthil Kumaran <orsenthil@gmail.com> Sat Nov 13 12:27:49 2010 +0000
tree c4219ed199d30167fee966c27b21717cc44f7bfa
parent 5ccafbadda7a56d71389c63aa229623e703f655a

Fix Issue5111 -  Wrap the Ipv6 host with [] in the Host header

Lib/http/client.py

diff --git a/Lib/http/client.py b/Lib/http/client.py
index 6c38c4a..0059b51 100644
--- a/Lib/http/client.py
+++ b/Lib/http/client.py
@@ -874,6 +874,13 @@
                         host_enc = self.host.encode("ascii")
                     except UnicodeEncodeError:
                         host_enc = self.host.encode("idna")
+
+                    # As per RFC 273, IPv6 address should be wrapped with []
+                    # when used as Host header
+
+                    if self.host.find(':') >= 0:
+                        host_enc = b'[' + host_enc + b']'
+
                     if self.port == self.default_port:
                         self.putheader('Host', host_enc)
                     else: