Ett exempel: TODO-applikation

todo.py

from flask import Flask
import sqlite3

app = Flask(__name__)

def init_db():
    with sqlite3.connect('todo.db') as conn:
        cursor = conn.cursor()
        cursor.execute('''CREATE TABLE IF NOT EXISTS todos (
                            id INTEGER PRIMARY KEY AUTOINCREMENT,
                            title TEXT NOT NULL,
                            completed BOOLEAN NOT NULL CHECK (completed IN (0, 1))
                          )''')
        conn.commit()

init_db()

@app.route('/todo', methods=['POST'])
def create_todo():
    return "None"

@app.route('/todo', methods=['GET'])
def get_todos():
    return "None"

@app.route('/todo/<int:todo_id>', methods=['PUT'])
def mark_completed(todo_id):
    return "None"

@app.route('/todo/<int:todo_id>', methods=['DELETE'])
def delete_todo(todo_id):
    return "None"

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