def set_proxy(self, host, port, user, password):
self.proxy_host = host<EOL>self.proxy_port = port<EOL>self.proxy_user = user<EOL>self.proxy_password = password<EOL>
Sets the proxy server host and port for the HTTP CONNECT Tunnelling.

host:
    Address of the proxy. Ex: '192.168.0.100'
port:
    Port of the proxy. Ex: 6000
user:
    User for proxy authorization.
password:
    Password for proxy authorization.