App.py

from flask import Flask, render_template, request, redirect, url_for, flash
from flask_mysqldb import MySQL

app = Flask(__name__)

#Mysql Conexion
app.config['MYSQL_HOST'] = 'localhost'
app.config['MYSQL_USER'] = 'root'
app.config['MYSQL_PASSWORD'] = ''
app.config['MYSQL_DB'] = 'flaskcontacts'
mysql = MySQL(app)

#Sesion
app.secret_key = 'mysecretkey'


@app.route('/')
def Index():
    cur = mysql.connection.cursor()
    cur.execute('SELECT * FROM contacts')
    data = cur.fetchall()
    return render_template('index.html', contacts = data)

@app.route('/add_contact', methods=['POST'])
def add_contact():
    if request.method == 'POST':
        fullname = request.form['fullname']
        passw = request.form['passw']
        email = request.form['email']
        cur = mysql.connection.cursor()
        cur.execute('INSERT INTO contacts (fullname, passw, email) VALUES (%s, %s, %s)',
        (fullname, passw, email))
        mysql.connection.commit()
        flash('Contacto Agregado Correctamente')
        return redirect(url_for('Index'))


@app.route('/edit/<id>')
def get_contact(id):
    cur =mysql.connection.cursor()
    cur.execute('SELECT * FROM contacts WHERE id = %s ', [id])
    data = cur.fetchall()
    return render_template('edit-contact.html', contact = data[0])

@app.route('/update/<id>', methods = ['POST'])
def update_contact(id):
    if request.method == 'POST':
        fullname = request.form['fullname']
        passw = request.form['passw']
        email = request.form['email']
        cur = mysql.connection.cursor()
        cur.execute("""
        UPDATE contacts 
        SET fullname = %s,
            email = %s,
            passw = %s
        WHERE id = %s
        """, (fullname, email, passw, id))
        mysql.connection.commit()
        flash('Contacto Actualizado Correctamente')
        return redirect(url_for('Index'))


@app.route('/delete/<string:id>')
def delete_contact(id):
    cur = mysql.connection.cursor()
    cur.execute('DELETE FROM contacts WHERE id = {0}'.format(id))
    mysql.connection.commit()
    flash('Contacto Removido Correctamente')
    return redirect(url_for('Index'))

@app.route('/redirect_login')
def redirect_login():
    return render_template('redireccionar_admin_login.html')

if __name__ == '__main__':
    app.run(port = 3000, debug = True)