Required django filterset param

common_filtersets.py

from django_filters import rest_framework as filters


class FilterSetRequired(filters.FilterSet):
    def is_valid(self):
        for filter_name, filter in self.filters.items():
            if filter.extra.get('required') and filter_name not in self.data:
                self.form.add_error(filter_name, 'Query param is required')
        return super().is_valid()