Returning custom message when a permission is denied in DRF

Question

Django REST Framework has an excellent piece of documentation about permissions. I\'ve been able to use pre-made permission classes and also built my own.

However, there

Answer 1

Building on Aysennoussi’s answer:

from rest_framework import permissions
From django.utils import timezone

class CustomerAccessPermission(permissions.BasePermission):
    message = 'Adding customers not allowed.'

    def has_permission(self, request, view): 
        if request.user.has_expired:
            self.message = “Your account has expired.”
            return False
        elif request.user.has_access:
            return True
        else:
            return False