Hacked this up for cutie578's ident

fidentd.py

#! /usr/bin/env python
# Mostly copied from http://docs.python.org/library/socketserver.html

import SocketServer, socket

class MyTCPHandler(SocketServer.BaseRequestHandler):
  def handle(self):
    self.data = self.rfile.readline().strip()
    print "Received from %s: %s" % (self.client_address[0], self.data)
    self.request.send(self.data + ":USERID:UNIX:cutie578\r\n")

class TCP6Server(SocketServer.TCPServer):
  address_family = socket.AF_INET6

if __name__ == "__main__":
  HOST, PORT = "::", 113
  server = TCP6Server((HOST, PORT), MyTCPHandler)
  server.serve_forever()