socket policy flash help

[NighterNet]

I need help on the policy to able to let access to user to the server
once the policy access is finish. I been trying to find a good
example, but I got no luck. Using python version 3.1.

Here the code I tested but it not working.

if str(buff) == str("b\'<policy-file-request/>\\x00\'"):
				print ('policy FOUND >>> sending...')
				rawinput = str('<?xml version=\"1.0\"?><cross-domain-policy><allow-
access-from domain=\"*\" to-ports=\"*\" /></cross-domain-policy>')
				print (rawinput)
				b = bytes ( ord(c) for c in rawinput)
				self.sockfd.send(b);