Python - notification messages

//First add the following codes to the LOWER part of the SETTINGS 
from django.contrib.messages import constants as messages
MESSAGE_TAGS = {
    messages.ERROR: 'danger',  // only if you want to display error 
}

// Second is do the following steps 
// Open a new file inside INCLUDES folder inside templates folder 
// and call it messages.html 
// open it and paste the codes below 

{% if messages %}
  {% for message in messages %}
      <div id="message" class="container">
        <div class="alert alert-{{ message.tags }}" alert-dismissable role="alert">
            <button type="button" class="close" data-dismiss="alert"><span aria-hidden="true">&times;</span></button>
            <strong>
              {% if message.level == DEFAULT_MESSAGE_LEVELS.ERROR %}
                  Error:
              {% else %}
                  {{mesaage.tags|title}}
              {% endif %}
            </strong>
            {{message}}
        </div>
      </div>
  {% endfor %}
{% endif %}

// you can these code for bootstrap or django  
// Third is, go to the CLASS folder and in views.py add the codes below 

from django.contrib import messages

def register(request):
    if request.method == 'POST':
        messages.error(request, 'This is error message') // you add this line  
        return redirect('register')
    else:
        return render(request, 'pages/register.html')
 
// Forth is, go the place where you want to display the message 
// So, go to the register.html and the paste the code below 
 
 {% include 'includes/messages.html' %} 
 
// depending on where you want to display the message 
// most likely it is place above the <form> 
 
// Fith is follow the steps below 
// go to the mainControl or ( project level directory ) folder. 
// go to ( static ) folder got to ( js ) folder got to ( app.js ) 
// go to the buttom part and paste the code below 
// use to fade the message after 4 seconds 
 setTimeout(function(){
  $('#message').fadeOut('slow');
}, 4000)
 
// to to the ( terminal ) and the run the code below 
 python manage.py collectstatic 
 
// lastly --> 
// if it is not running
// go to ( view page source ) search for ( app.js ) click it 
// go to the buttom part check the code was loaded 

setTimeout(function(){
  $('#message').fadeOut('slow');
}, 2000)

// if not press ( refresh ) serveral times until you see it displayed.

Source: grepper.com

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