blink.py

import RPi. GPIO as GPIO
import time
import random


SLEEPING_TIME = 0.05

PORTS = (7, 11, 12, 13, 15, 16)

SEQUENCES = [
    (
        # Programm 1
        (
            (7, GPIO.HIGH)
        ),
        (
            (11, GPIO.HIGH)
        ),
        (
            (7, GPIO.LOW)
        )
    ),
    (
        # Programm 3
        (
            (7, GPIO.HIGH),
            (15, GPIO.HIGH),
        ),
        (
            (11, GPIO.HIGH)
            (12, GPIO.HIGH)
        )
    )
]


def init_ports(ports):
    GPIO.setwarnings(False)
    GPIO.setmode(GPIO.BOARD)       
    for port in ports:
        GPIO.setup(port, GPIO.OUT)


def run_sequence(sequence, sleeping_time=SLEEPING_TIME):
    for section in sequence:
        for command in section:
            GPIO.output(*command)
        time.sleep(sleeping_time)
        

def main():
    init_ports(PORTS)
    random.shuffle(SEQUENCES)
    try:
        run_sequence(SEQUENCES[0])
    except KeyboardInterrupt:
        print: "Fin"
        GPIO.cleanup() 


if __name == "__main__":
    main()