How To Use Multiprocess In Django Command?
I'm tring to use ProcessPoolExecutor in django command to get some results at same time. And I tried with below codes to get it # main codes import json import time import dateti
Solution 1:
You'll need to set up Django for the subprocesses in the subprocess initializer function.
def subprocess_setup():
django.setup()
# Could do other things here
# ...
withProcessPoolExecutor(max_workers=5, initializer=subprocess_setup) as executor:
Solution 2:
Got the same issue but solved it differently as suggested by this thread.
I had to explicitly pass the context to the ProcessPoolExecutor in order to get things right. The code would look something like this
import multiprocessing
fork_context = multiprocessing.get_context('fork')
with ProcessPoolExecutor(max_workers=5, mp_context=fork_context) as executor:
...
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