def get_message(sock, settings, state):
"""
Read a message from the IRC connection, simulaneously making sure
to keep the connection alive and handling the IRC statey business.
Returns the message, perhaps with convenience information attached.
"""
raw_message = network.read(sock)
if raw_message:
message = from_raw(raw_message)
response = manage(message, settings, state)
if response:
send_message(sock, response)
elif message.command == 'PRIVMSG':
return message
return None
if settings.channel != state.joined:
if state.joined:
send_message(sock, Message.part(state.joined))
send_message(sock, Message.join(settings.channel))
return None
