1NZgR1b9

1UndefinedError: 'csrf_token' is undefined
2
3
4#main.py
5
6from flask import Flask
7from flask import request
8from flask import render_template
9from flask import session
10from flask import url_for
11from flask import redirect
12from flask import flash
13from flask import copy_current_request_context
14from flask import Markup
15from flask_wtf import CSRFProtect
16from config import DevelomentConfig
17
18
19app = Flask(__name__)
20app.config.from_object(DevelomentConfig)
21csrf = CSRFProtect()
22
23
24@app.route('/login', methods=['GET','POST'])
25def login():
26    form_login = forms.Login(request.form)
27    alerta = ''
28    if request.method == "POST" and form_login.validate():
29        parametros    
30
31        if usuario is not None and usuario.verificar_contrasena(contrasena):
32            algo
33        else:
34           algo
35
36    title = 'Login'
37    return render_template('login.html',title=title,form=form_login,alerta=alerta)
38
39
40
41
42if __name__ == '__main__':
43    csrf.init_app(app)
44    db.init_app(app)
45    with app.app_context():
46        db.create_all()
47    app.run(host='127.0.0.1', port=8087, debug=True)
48
49
50#form.html
51{% block content %}
52    {% from '_macro_forms.html' import mostrar_formulario %}
53    <div id='cont_login'>
54        <form class="form-login formulario"  method="POST" novalidate>
55            <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
56            <div class="form-group" >
57                    <h3>Iniciar Sesión</h3>
58            </div>
59            <div class="form-group">
60                {{ mostrar_formulario(form.email) }}
61            </div>
62            <div class="form-group">                            
63                {{ mostrar_formulario(form.contrasena) }}
64            </div>
65            <div class="form-group">
66                <button type="submit" class="btn btn-info input_f_login">Ingresar</button>                            
67            </div>
68            <div class="form-group">                        
69                <a class="link" href='/recuperar_contrasena'>¿Olvidó su contraseña?</a>
70            </div>
71            {% with mensajes = get_flashed_messages() %}
72                {% if mensajes %}                    
73                    {% for mensaje in mensajes %}
74                        <div class="alerta alert alert-{{ alerta }} text-center">
75                            {{ mensaje }}
76                        </div>
77                    {% endfor %}                
78                {% endif %}
79            {% endwith %}                       
80        </form>
81    </div>
82
83{% endblock %}
84
85
86
87#DevelopmentConfig.py
88
89class Config(object):
90    WTF_CSRF_ENABLED = True
91    SECRET_KEY = 'cualquierpalabra'