[PATCH 2/3] pwclient: Support proxy configuration

[Stephen Finucane]

On Sat, 2016-12-10 at 02:32 +0100, Thomas Monjalon wrote:
> The environment variables http_proxy and https_proxy can be used
> to configure the HTTP transport.
> 
> The TCP connection is made with the proxy host, whereas the original
> host
> is maintained in the HTTP POST URI via "handler" in "send_request".
> 
> The send_request() method of xmlrpclib has a different signature
> and behaviour in Python 2 and 3.
> 
> Fixes #47
> 
> Signed-off-by: Thomas Monjalon <thomas.monjalon at 6wind.com>

Works outside of a proxy for me, and behind a proxy for Sean.

Reviewed-by: Stephen Finucane <stephen at that.guru>