Control your printer ;D

pjl.py

#!/usr/bin/python

import socket, sys, os

_hostname = '10.44.3.92';
_port = 9100;
_pjlUEL = '%-12345X';

def sendString(string):
	
	command = chr(27) + _pjlUEL + '@PJL \r\n' \
		+ string + ' \r\n' \
		+ chr(27) + _pjlUEL;
	sock = socket.socket();
	sock.connect((_hostname, _port));
	print "Sending message:";
	print command;
	print "... " + str(sock.send(command));
	sock.close();
	


def sendFile(name):
	
	if os.path.exists(name) == False:
		print "File doesn't exist."
		return;
	
	f = open(name, 'r');
	raw = f.read();
	f.close();

	command = '@PJL ENTER LANGUAGE = POSTSCRIPT \r\n';
	command = command + raw;
	sendString(command);



def multiplex(command, param):
	
	if command == "screen" :
		sendString('@PJL RDYMSG DISPLAY="' + param + '"');
		return;

	if command == "status" :
		sendString('@PJL STMSG DISPLAY="' + param + '"');
		return;
	
	if command == "file" :
		sendFile(param);
		return;
		
	
	print "Unknown."





if __name__ == "__main__":
	
	""" Logically, we want the weirdest chaos. """

	if len(sys.argv) < 2:
		print 'usage: ./script.py "<message>"';
		exit();
	
	if len(sys.argv) > 2:
		multiplex(sys.argv[1], sys.argv[2]);
	else:
		sendString(sys.argv[1]);