Method extend_list_option

celery/canvas.py:708–714

Extends the list at the given key in self.options with the given value. If the value is not a list, it will be converted to one.

(self, key, value)

        return value

    def extend_list_option(self, key, value):
        """Extends the list at the given key in self.options with the given value.

        If the value is not a list, it will be converted to one.
        """
        items = self._with_list_option(key)
        items.extend(maybe_list(value))

    def link(self, callback):
        """Add callback task to be applied if this task succeeds.