[Calypso] IPv6 support

[Dominik 'Rathann' Mierzejewski]

On Saturday, 21 March 2020 at 18:54, Keith Packard wrote:
> Dominik 'Rathann' Mierzejewski <dominik at greysector.net> writes:
> 
> > It looks like it's related to https://bugs.python.org/issue24209, which
> > is fixed in python 3.8. I'm running python 3.7 :(.
> 
> I'm not sure there's a fix which we could apply to Calypso to make it
> work? If there is, I'd be happy to merge one.

I applied the following quick&dirty patch locally, based on
https://stackoverflow.com/questions/25817848/python-3-does-http-server-support-ipv6

Regards,
Dominik
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-------------- next part --------------
diff -up calypso-2.0/calypso/__init__.py.orig calypso-2.0/calypso/__init__.py
--- calypso-2.0/calypso/__init__.py.orig	2020-03-02 18:15:00.000000000 +0100
+++ calypso-2.0/calypso/__init__.py	2020-03-21 23:16:44.605308292 +0100
@@ -56,10 +56,16 @@ ch.setFormatter (formatter)
 log.addHandler(ch)
 negotiate = gssapi.Negotiate(log)
 
-http_server = server.HTTPServer
+class HTTPServerV6(server.HTTPServer):
+    address_family = socket.AF_INET6
+
+http_server = HTTPServerV6
 try:
     from http.server import ThreadingHTTPServer
-    http_server = server.ThreadingHTTPServer
+    class ThreadingHTTPServerV6(server.ThreadingHTTPServer):
+        address_family = socket.AF_INET6
+
+    http_server = ThreadingHTTPServerV6
 except ImportError:
     pass
 
@@ -99,7 +105,7 @@ def _check(request, function):
     # pylint: enable=W0212
 
 
-class HTTPServer(server.HTTPServer):
+class HTTPServer(HTTPServerV6):
     """HTTP server."""
     PROTOCOL = "http"