Method _chainable_method

mongoengine/queryset/base.py:2019–2035

Call a particular method on the PyMongo cursor call a particular chainable method with the provided value.

(self, method_name, val)

        return code

    def _chainable_method(self, method_name, val):
        """Call a particular method on the PyMongo cursor call a particular chainable method
        with the provided value.
        """
        queryset = self.clone()

        # Get an existing cursor object or create a new one
        cursor = queryset._cursor

        # Find the requested method on the cursor and call it with the
        # provided value
        getattr(cursor, method_name)(val)

        # Cache the value on the queryset._{method_name}
        setattr(queryset, "_" + method_name, val)

        return queryset