我使用eta编写任务:
test.apply_async(eta=datetime(2019, 8, 4, 17, 01))
但是我在test.py上有一个任务,它从视图中获取一个arg,例如'post':
app = Celery()
@app.task(bind=True)
def test(post, self):
#somecode
我需要传递“ eta”和“ post”, 我尝试:
test.apply_async(post, eta=datetime(2019, 8, 4, 17, 01))
但给出错误:
functools.partial object argument after * must be an iterable, not Author
怎么了?
EDIT1
尝试:
test.apply_async(args=(post.id,) eta=datetime(2019, 8, 4, 17, 01))
它尝试运行任务:
@app.task(bind=True)
def test(post, self):
takeit = Author.objects.get(pk=post)
print takeit
结果:
Traceback (most recent call last):
File "c:\python27\lib\site-packages\celery\app\trace.py", line 382, in trace_task
R = retval = fun(*args, **kwargs)
File "c:\python27\lib\site-packages\celery\app\trace.py", line 641, in __protected_call__
return self.run(*args, **kwargs)
File "pathto/test.py", line 122, in test
takeit = Author.objects.get(pk=post)
File "c:\python27\lib\site-packages\django\db\models\manager.py", line 85, in manager_method
return getattr(self.get_queryset(), name)(*args, **kwargs)
File "c:\python27\lib\site-packages\django\db\models\query.py", line 371, in get
clone = self.filter(*args, **kwargs)
File "c:\python27\lib\site-packages\django\db\models\query.py", line 784, in filter
return self._filter_or_exclude(False, *args, **kwargs)
File "c:\python27\lib\site-packages\django\db\models\query.py", line 802, in _filter_or_exclude
clone.query.add_q(Q(*args, **kwargs))
File "c:\python27\lib\site-packages\django\db\models\sql\query.py", line 1250, in add_q
clause, _ = self._add_q(q_object, self.used_aliases)
File "c:\python27\lib\site-packages\django\db\models\sql\query.py", line 1276, in _add_q
allow_joins=allow_joins, split_subq=split_subq,
File "c:\python27\lib\site-packages\django\db\models\sql\query.py", line 1210, in build_filter
condition = self.build_lookup(lookups, col, value)
File "c:\python27\lib\site-packages\django\db\models\sql\query.py", line 1104, in build_lookup
return final_lookup(lhs, rhs)
File "c:\python27\lib\site-packages\django\db\models\lookups.py", line 24, in __init__
self.rhs = self.get_prep_lookup()
File "c:\python27\lib\site-packages\django\db\models\lookups.py", line 74, in get_prep_lookup
return self.lhs.output_field.get_prep_value(self.rhs)
File "c:\python27\lib\site-packages\django\db\models\fields\__init__.py", line 966, in get_prep_value
return int(value)
TypeError: int() argument must be a string or a number, not 'test'
答案 0 :(得分:0)
您犯了一种常见的Python错字...
您有def test(post, self):
,实际上应该是def test(self, post):
。通常在执行一些代码重构时会发生...