Wait for internet connection in python

check-internet-connection.py

import socket
import time

def is_connected():
    try:
        socket.create_connection(("www.google.com", 80))
        return True
    except OSError:
        pass
    return False

while True:
    print("Checking connection")
    if is_connected():
        print ("Connected!")
        raise SystemExit
    else:
        print("No connection - Waiting 15s")
        time.sleep(15)