flask_prototype.py

from flask import Flask, render_template, request, redirect, url_for

app = Flask("ON-OFF LED")


# we are able to make 2 different requests on our webpage
# GET = we just type in the url
# POST = some sort of form submission like a button
@app.route('/', methods=['POST', 'GET'])


def hello_world():
    # variables for template page (templates/index.html)
    author = "Rocco"
    readval = 10
    # if we make a post request on the webpage aka press button then do stuff
    if request.method == 'POST':
        # if we press the turn on button
        if request.form['submit'] == 'Turn On':
            print
            'TURN ON'

        # if we press the turn off button
        elif request.form['submit'] == 'Turn Off':
            print
            'TURN OFF'
        else:
            pass

    # the default page to display will be our template with our template variables
    return render_template('index.html', author=author, value=100 * (readval / 1023.))


if __name__ == "__main__":
    # lets launch our webpage!
    # do 0.0.0.0 so that we can log into this webpage
    # using another computer on the same network later
    app.run()