#django-flash-message

usage:

set the DJANGO_FLASH_MESSAGE_STORAGE in settings.py
DJANGO_FLASH_MESSAGE_STORAGE = 'session'
or
DJANGO_FLASH_MESSAGE_STORAGE = 'cookie'
save the message in session or cookie

in your views
from django_flash_message.storage import storage
storage.add_message(request, 'error', 'invalid email or password')
storage.get_message(request, 'error')

all messages are single use , so i call it the flash message