flask flash

1{% with messages = get_flashed_messages(with_categories=true) %}
2    {% if messages %}
3        {% for category, message in messages %}
4            <div class="alert alert-{{ category }} alert-dismissible fade show" role="alert">
5                <span>{{ message }}</span>
6                <button type="button" class="close" data-dismiss="alert" aria-label="Close">
7                <span aria-hidden="true">×</span>
8                </button>
9            </div>
10        {% endfor %}
11    {% endif %}
12{% endwith %}
13

1flash(u'Invalid password provided', 'error')
2