sunfounder-io-controller

#!/usr/bin/env python
import RPi.GPIO as GPIO
import sys
import os
import keyboard
from time import sleep

#script_name_full = os.path.realpath(sys.argv[0]) 
#config_file = script_name_full.replace('.py', '.conf')

config_file = "/usr/local/etc/sunfounder-io-controller.conf"

print "Configure file is at:"
print config_file

KEYS    = []
BUTTONS = []
PINS    = []

def read_config():
    global PINS
    conf = open(config_file, 'r')
    lines=conf.readlines()
    conf.close()
    # Find the arguement and set the value
    for line in lines:
        if line[0] != '#':
            configs = line.strip().split(',')
            if configs != ['']:
                BUTTONS.append(configs[0].strip())
                KEYS.append(configs[1].strip())
                PINS.append(int(configs[2].strip()))

def setup():
    read_config()
    GPIO.setmode(GPIO.BCM)
    GPIO.setup(PINS, GPIO.IN, pull_up_down=GPIO.PUD_UP)

def main():
    last_pin_state = []
    for i in PINS:
        last_pin_state.append(1)
    while True:
        for i in range(len(BUTTONS)):
            current_pin_state = GPIO.input(PINS[i])
            if current_pin_state != last_pin_state[i]:
                sleep(20/1000.0)
                if current_pin_state != last_pin_state[i]:
                    if current_pin_state:
                        print "Channel GPIO%s Released!" % PINS[i]
                        try:
                            keyboard.release(KEYS[i])
                            #break
                        except Exception, e:
                            print e
                    else:
                        print "Channel GPIO%s Pressed!" % PINS[i]
                        try:
                            keyboard.press(KEYS[i])
                            #break
                        except Exception, e:
                            print e
            last_pin_state[i] = current_pin_state
    sleep(0.01)

if __name__ == '__main__':
    setup()
    main()