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[fix] Create a shim class providing compat for Pool implementations #4452

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[fix] Create a shim class providing compat for Pool implementations #4452

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11 changes: 10 additions & 1 deletion codechecker_common/compatibility/multiprocessing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,8 +13,17 @@
# pylint: disable=no-name-in-module
# pylint: disable=unused-import
if sys.platform in ["darwin", "win32"]:
from multiprocess import Pool # type: ignore
from multiprocess.pool import Pool as MultiprocessPool
from multiprocess import cpu_count

# Shim class intended to provide API compatibility between the
# pools from multiprocess and concurrent.futures.
class Pool(MultiprocessPool): # type: ignore
def __init__(self, *args, max_workers=None, **kwargs):
super().__init__(*args, processes=max_workers, **kwargs)

def map(self, fn, *iterables, chunksize=1):
return super().starmap(fn, zip(*iterables), chunksize)
else:
from concurrent.futures import ProcessPoolExecutor as Pool # type: ignore
from multiprocessing import cpu_count
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