gistfile1.py

from flask import Flask
import RPi.GPIO as GPIO
import Queue
import threading
import time

app = Flask(__name__)

@app.route("/")
def hello():
	return render_template("buttons.html")


@app.route("/<colour>/<value>/")
def turn_on_or_off(colour, value):
	global looping
	looping = bool(int(value))
	NewThread(loop_till_false).start()

	return "Anything"
	

def loop_till_false():
	while looping:
		GPIO.output(4, True)
		time.sleep(1)
		GPIO.output(4, False)
		time.sleep(1)


class NewThread(threading.Thread):
	def __init__(self, callback_function):
		threading.Thread.__init__(self)
		self.callback_function = callback_function
	def run(self):
		self.callback_function()

if __name__ == "__main__":
	global GPIO
	GPIO.setwarnings(False)
	GPIO.setmode(GPIO.BCM)
	GPIO.setup(4, GPIO.OUT)
	app.run()