(self)
return self._has_empty_value() and operator == '='
Returns true if the value should be treated as a filter to show only empty data
Returns true if the value should be treated as a filter to show only empty data
Returns true if the value should be treated as a filter to show only empty data
def _is_empty(self):
        """
        Returns true if the value should be treated as a filter to show only empty data
        """
        operator = self.value.get('operator') or '='
        return self._has_empty_value() and operator == '='
def _is_empty ( self ) : operator = self . value . get ( 'operator' ) or '=' return self . _has_empty_value ( ) and operator == '='