Function result_from_tuple

celery/result.py:1073–1092

Deserialize result from tuple.

(r, app=None)

def result_from_tuple(r, app=None):
    """Deserialize result from tuple."""
    # earlier backends may just pickle, so check if
    # result is already prepared.
    app = app_or_default(app)
    Result = app.AsyncResult
    if not isinstance(r, ResultBase):
        res, nodes = r
        id, parent = res if isinstance(res, (list, tuple)) else (res, None)
        if parent:
            parent = result_from_tuple(parent, app)

        if nodes is not None:
            return app.GroupResult(
                id, [result_from_tuple(child, app) for child in nodes],
                parent=parent,
            )

        return Result(id, parent=parent)
    return r