Django Rest Swagger

get_custom_swagger_view

def get_custom_swagger_view(title=None, url=None, patterns=None, urlconf=None):
    """
    Returns schema view which renders Swagger/OpenAPI.
    """
    class SwaggerSchemaView(APIView):
        _ignore_model_permissions = True
        exclude_from_schema = True
        permission_classes = []
        renderer_classes = [
            CoreJSONRenderer,
            renderers.OpenAPIRenderer,
            renderers.SwaggerUIRenderer
        ]

        def dispatch(self, request, *args, **kwargs):
            token = settings.SWAGGER_SETTINGS.get("CUSTOM_HEADERS", {}).get("HTTP_AUTHORIZATION", None)
            if token:
                request.META['HTTP_AUTHORIZATION'] = token
            return super(SwaggerSchemaView, self).dispatch(request, *args, **kwargs)

        def get(self, request):
            generator = SchemaGenerator(
                title=title,
                url=url,
                patterns=patterns,
                urlconf=urlconf
            )

            schema = generator.get_schema(request=request)

            if not schema:
                raise exceptions.ValidationError(
                    'The schema generator did not return a schema Document'
                )

            return Response(schema)

    return SwaggerSchemaView.as_view()

SWAGGER_SETTINGS

SWAGGER_SETTINGS = {
    'SECURITY_DEFINITIONS': {
        'api_key': {
            'type': 'apiKey',
            'in': 'header',
            'name': 'Authorization'
        }
    },
    'CUSTOM_HEADERS': {
        'HTTP_AUTHORIZATION': 'Token a476957f3c20a3a262a760fc2194569315ea5670'
    }
}