<p>经过几个小时的谷歌搜索,我偶然发现了<a href="http://www.manasupo.com/2012/03/chord-progress-in-celery.html" rel="nofollow noreferrer">http://www.manasupo.com/2012/03/chord-progress-in-celery.html</a>。虽然这个解决方案对我来说不是开箱即用的,但它确实激励我尝试类似的方法。在</p>
<pre><code>from celery.utils import uuid
from celery import chord
class ProgressChord(chord):
def __call__(self, body=None, **kwargs):
_chord = self.type
body = (body or self.kwargs['body']).clone()
kwargs = dict(self.kwargs, body=body, **kwargs)
if _chord.app.conf.CELERY_ALWAYS_EAGER:
return self.apply((), kwargs)
callback_id = body.options.setdefault('task_id', uuid())
r= _chord(**kwargs)
return _chord.AsyncResult(callback_id), r
</code></pre>
<p>而不是执行芹菜。和弦我使用ProgressChord如下:</p>
^{pr2}$
<p>r的返回值包含一个元组,该元组同时具有回调的asyncresult和组结果。所以成功是这样的:</p>
<pre><code>In [3]: r
Out[3]:
(<AsyncResult: bf87507c-14cb-4ac4-8070-d32e4ff326a6>,
<GroupResult: af69e131-5a93-492d-b985-267484651d95 [4672cbbb-8ec3-4a9e-971a-275807124fae, a236e55f-b312-485c-a816-499d39d7de41, e825a072-b23c-43f2-b920-350413fd5c9e, e3f8378d-fd02-4a34-934b-39a5a735871d, c4f7093b-9f1a-4e5e-b90d-66f83b9c97c4, d5c7dc2c-4e10-4e71-ba2b-055a33e15f02, 07b1c6f7-fe95-4c1f-b0ba-6bc82bceaa4e, 00966cb8-41c2-4e95-b5e7-d8604c000927, e039c78e-6647-4c8d-b59b-e9baf73171a0, 6cfdef0a-25a2-4905-a40e-fea9c7940044]>)
</code></pre>
<p>我继承并重写了<code>[celery.chord][1]</code>而不是{<cd2>},因为我在任何地方都找不到它的源代码。在</p>