app.py

from flask import Flask, render_template, request, redirect, url_for
from forms import ToDo
#set of commands to change env.
#> set FLASK_APP=flaskr
#set FLASK_ENV=development
#flask run

app = Flask(__name__)
app.config['SECRET_KEY'] = 'password'

@app.route('/', methods =['GET', 'POST'])
def home():
    request_method = request.method
    if request.method == 'POST':
        first_name = request.form['first_name']
        last_name = request.form['last_name']
        return redirect(url_for('name', first_name = first_name))
    return render_template('hello.html', request_method = request_method)

@app.route('/name/<string:first_name>')
def name(first_name):
    return f'{first_name}'

@app.route('/todo', methods = ['GET', 'POST'])
def todo():
    todo_form = ToDo()
    if todo_form.validate_on_submit():
        print(todo_form.content.data)
        return redirect('/')
    return render_template('todo.html', form=todo_form)

if __name__ == '__main__':
    app.run(debug=True)