from http.server import BaseHTTPRequestHandler, HTTPServer
from time import sleep
from gpiozero import LED, Button
vend_led = LED(2)
vend_button = Button(3)
coin_button = Button(4)
coin_count = 0
vend_count = 0
def print_credits():
print('Credits: {0}'.format(coin_count - vend_count))
def coin_button_pressed():
global coin_count
coin_count += 1
print_credits()
def vend_button_pressed():
global vend_count
if coin_count > vend_count:
vend_count += 1
print_credits()
vend_led.on()
sleep(0.3)
vend_led.off()
coin_button.when_pressed = coin_button_pressed
vend_button.when_pressed = vend_button_pressed
HTML_CONTENT = """
Vending Info
Vending Info
Total Coins Inserted: {0}
Total Vending Operations: {1}
"""
class WebHandler(BaseHTTPRequestHandler):
def do_GET(self):
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
response_body = HTML_CONTENT.format(coin_count, vend_count).encode()
self.wfile.write(response_body)
print('Press CTRL-C to exit program.')
server = HTTPServer(('', 8080), WebHandler)
try:
server.serve_forever()
except KeyboardInterrupt:
pass
finally:
server.server_close()