The rest_framework.permissions.BasePermission class is the base class from which all customized permission classes should inherit to work with the Django REST framework. We want to make sure that only a drone owner can update or delete an existing drone.
Go to the restful01/drones folder and create a new file named custompermission.py. Write the following code in this new file. The following lines show the code for this file that declares the new IsCurrentUserOwnerOrReadOnly class declared as a subclass of the BasePermission class. The code file for the sample is included in the hillar_django_restful_08_01 folder in the restful01/drones/custompermission.py file:
from rest_framework import permissions
class IsCurrentUserOwnerOrReadOnly(permissions.BasePermission):
def has_object_permission(self, request, view, obj):
if request.method in permissions.SAFE_METHODS:
# The method is a safe method...