task.py 文件源码

def loads(payload):
    if payload.get('type') != 'normal':
        raise Exception('celery task loader only support normal mode')
    tasks = payload.get('tasks', [])
    cts = []
    for task in tasks:
        ops = [load(id, task.get('args'), task.get('on_error')) if i == 0 else load(id, None, task.get('on_error')) for
               i, id in enumerate(task['ids'])]
        cts.append(chain(ops))
    callback = payload.get('callback')
    if callback:
        return chord(header=group(cts), body=func.load(callback).s())
    return group(cts)