def test_grouping():
result = group(add.s(i, i) for i in range(10, 20))().get()
print(result)
result = chain(add.s(2, 2) | mul.s((4)))().get()
print(result)
result = chord((mul.s(i, i) for i in range(10)), xsum.s())().get()
print(result)
result = (group(mul.s(i, i) for i in range(10)) | xsum.s())().get()
print(result)
def test_group_results():
job = group([
add.s(2, 4),
mul.s(4, 9),
xsum.s([2, 3, 5]),
])
result = job.apply_async()
print(result.ready())
print(result.successful())
print(result.join())
print(result.get())
from tasks import add, mul, build_insight from celery import chain res = (add.s(4, 4) | mul.s(4)).apply_async() # build_insight.delay()
# raise exception still can run
# res = (
# group(
# (add.s(4, 4) | mul.s(2)), # 16
# (add.s(5, 4) | mul.s(3)), # 27
# (add.s(5, 5) | mul.s(4)) # 40
# )
# | xsum.s() # 83
# )
# res.apply_async()
# raise exception still can run, and call handle error function
res = (
group(
(add.s(4, 4) | mul.s(2)), # 16
(add.s(5, 4) | mul.s(3)), # 27
(add.s(5, 5) | mul.s(4)) # 40
)
| xsum.s() # 83
)
res.apply_async(link_error=report_error())
# raise exception then it's run forever
# res = (
# group(
# (add.s(4, 4) | mul.s(2)), # 16
# (add.s(5, 4) | mul.s(3)), # 27
# (add.s(5, 5) | mul.s(4)) # 40
# )
# | xsum.s() # 83
def test_complex_chord():
result = chord(mul.s(i, i) for i in range(100))(xsum.s()).get()
print(result)
def test_linking():
result = add.apply_async((2, 2), link=mul.s(5))
print(result.get())
print(list(result.collect()))
