lcd_message

#!/usr/bin/python3

import sys
import time
import argparse
import pylcdproc

default_host = 'localhost'
default_port = 13666
default_duration = 10

def main():
    parser = argparse.ArgumentParser(description="Display message on LCDd server")
    parser.add_argument("message", nargs='*', help="message to display")
    parser.add_argument("-t", "--time", type=int, default=default_duration,
                        help="duration to display message, in seconds (default: " + str(default_duration) + ")")
    parser.add_argument("-H", "--host", default=default_host,
                        help="host to connect to (default: " + default_host + ")")
    parser.add_argument("-p", "--port", type=int, default=default_port,
                        help="port to connect to (default: " + str(default_port) + ")")
    parser.add_argument("-d", "--debug", action="store_true",
                        help="enable debugging")
    args = parser.parse_args()
    lcd = pylcdproc.ScrollingTextLCD("lcd_message", host=args.host, port=args.port, debug=args.debug)
    message = " ".join(args.message)
    print("displaying message:", message)
    lcd.display(message)
    try:
        time.sleep(args.time)
    except KeyboardInterrupt:
        sys.exit(1)

if __name__ == "__main__":
    main()