Forums

<form method="POST">
            <input type="number" name="hour_input"><input type="number" name="min_input"><input type="number" name="sec_input"><br>
            <button type="submit">Activate timer</button>
        </form>
        <p>{{message}}</p>

from flask import Flask, request, render_template
import time
app = Flask(__name__)

@app.route('/', methods=['GET', 'POST'])

def timer():
    msg = 'Time is up!'
    if request.method == 'POST':
        hour_entry = request.form['hour-input']
        min_entry = request.form['min_input']
        sec_entry = request.form['sec_input']
        try:
            timer_time = int(hour_entry.get())*3600 + int(min_entry.get())*60 + int(sec_entry.get())
        except:
            return render_template('index.html', message = 'Error')
        if timer_time >0:
            hour = 0
            min = 0
            sec = 0
            while timer_time >= 0:
                min, sec = divmod(timer_time,60)
                if min > 60:
                    hour, min = divmod(min,60)
                hour.set(hour)
                min.set(min)
                sec.set(sec)
                time.sleep(1)
                timer_time -= 1
            return render_template('index.html', message=msg)


if __name__ == '__flask_app__':
    app.run()