django flash code example

Example 1: message in django

from django.contrib import messages

<--Change setting under settings.py
from django.contrib.messages import constants as messages
MESSAGE_TAGS = {
    messages.ERROR: 'danger'
}
-->

{% for message in messages %}
<div class="alert alert-{{ message.tags }} mb-0 alert-dismissible fade show" role="alert">
  <strong>Message: </strong> {{ message }}
  <button type="button" class="close" data-dismiss="alert" aria-label="Close">
    <span aria-hidden="true">&times;</span>
  </button>
</div>
{% endfor %}


<--Add message
messages.debug(request, '%s SQL statements were executed.' % count)
messages.info(request, 'Three credits remain in your account.')
messages.success(request, 'Profile details updated.')
messages.warning(request, 'Your account expires in three days.')
messages.error(request, 'Document deleted.')
-->

Example 2: message tags in django

from django.contrib.messages import constants as messages

MESSAGE_TAGS = {
    messages.DEBUG: 'alert-info',
    messages.INFO: 'alert-info',
    messages.SUCCESS: 'alert-success',
    messages.WARNING: 'alert-warning',
    messages.ERROR: 'alert-danger',
}