webApi.py

#https://programminghistorian.org/en/lessons/creating-apis-with-python-and-flask
import time
from flask import Flask, render_template, request
import serial
#ser = serial.Serial('/dev/tty.usbmodem14301', 115200) # Establish the connection on a specific port
app = Flask(__name__)

@app.route("/")
def index():
    return "<p>Arduino pySerial API</p>"
    #return render_template('/index.html') #This part is supposed to print an html file, but it doesn't work
@app.route("/<deviceName>/")
def action(deviceName):
    if deviceName == 'red':
        #ser.write("red")
        return "<p>red led on</p>"
    if deviceName == 'green':
        #ser.write("green")
        return "<p>green led on</p>"
    if deviceName == 'blue':
        #ser.write("blue")
        return "<p>blue led on</p>"
    if deviceName == 'off':
        #ser.write("off")
        return "<p>led off</p>"
    if deviceName == "led0":
        red = request.args.get('red', default = 255, type = int) #if the url doesn't have a value it will default to 255 
        green = request.args.get('green', default = 255, type = int)
        blue = request.args.get('blue', default = 255, type = int)
        rgb = str(red) + ", " + str(green) + ", " + str(blue)
        return rgb
        #return "<p>set a color by adding ?red=200&green=120&blue=230 to the url </p>"

    #return render_template('/index.html')


if __name__ == "__main__":
    app.run(host='0.0.0.0', port=8080, debug=True)