Just a script to show system hostname and ip on piface 2. Works well if have .local domain setup properly

README.md

• install python wireless module

sudo pip install wireless

pi_status.py

#!/usr/bin/python
import pifacecad
import socket
import time
from wireless import Wireless

SLEEP_TIME=5

def main():
    cad = pifacecad.PiFaceCAD()
    network_detected = False
    while True:
        try:
            try:
                hostname = socket.gethostname()
                ip_addr = socket.gethostbyname(hostname)
                if not network_detected:
                    cad.lcd.write("Got network!")
                    time.sleep(SLEEP_TIME)
                    cad.lcd.clear()
                    network_detected = True
            except socket.gaierror:
                cad.lcd.write("No network, waiting")
                time.sleep(SLEEP_TIME)
                continue
            cad.lcd.cursor_off()
            show_hostname(cad, hostname) 
            show_ip(cad, ip_addr)
            show_network(cad)
        except KeyboardInterrupt:
            cad.lcd.clear()
            cad.lcd.write("Bye")
            time.sleep(SLEEP_TIME)
            cad.lcd.clear()
            break
         
def show_hostname(cad, hostname):
    cad.lcd.home()
    cad.lcd.write("Hostname:")
    cad.lcd.set_cursor(0,1)
    cad.lcd.write(hostname)
    time.sleep(SLEEP_TIME)
    cad.lcd.clear()

def show_ip(cad, ip_addr):
    cad.lcd.home()
    cad.lcd.write("IP Address:")
    cad.lcd.set_cursor(0,1)
    cad.lcd.write(ip_addr)
    time.sleep(SLEEP_TIME)
    cad.lcd.clear()

def show_network(cad):
    wl = Wireless()
    essid = wl.current().split()[0]
    cad.lcd.home()
    cad.lcd.write("ESSID:")
    cad.lcd.set_cursor(0,1)
    cad.lcd.write(essid)
    time.sleep(SLEEP_TIME)
    cad.lcd.clear()



if __name__ == "__main__":
    main()