Flask flash

{% with messages = get_flashed_messages(with_categories=true) %}
    {% if messages %}
        {% for category, message in messages %}
            <div class="alert alert-{{ category }} alert-dismissible fade show" role="alert">
                <span>{{ message }}</span>
                <button type="button" class="close" data-dismiss="alert" aria-label="Close">
                <span aria-hidden="true">×</span>
                </button>
            </div>
        {% endfor %}
    {% endif %}
{% endwith %}

Source: pythonise.com

Flask flash

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

Source: flask.palletsprojects.com

Similar codes

0 vote281 views1 answer
Check substring frequency in a text python
Python
3 votes300 views2 answers
Os.listdir in python
Python
2 votes314 views1 answer
Django filter multiple fields
Python Django
0 vote266 views1 answer
Bracket balanced or not in python
Python
0 vote274 views1 answer
Python csv file tools
Python
0 vote282 views1 answer
Python how to request query string korean encode
Python
103 votes561 views6 answers
Time.sleep() python
Python
1 vote283 views1 answer
How to create a fixed size empty array in python
Python
0 vote338 views1 answer
Binary to decimal in Python without inbuilt function
Python
6 votes288 views2 answers
Numpy from csv
Python