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[setup] return 0 as number of cpus on windows to disable parallel build #2441

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merged 2 commits into from
Feb 5, 2020
Merged

[setup] return 0 as number of cpus on windows to disable parallel build #2441

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45f5e12
[setup] return 0 as number of cpus on windows to disable parallel build
Xarthisius Feb 5, 2020
d65aa2f
Drop unused import
Xarthisius Feb 5, 2020
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7 changes: 5 additions & 2 deletions setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,8 @@
def _get_cpu_count():
if platform.system() != "Windows":
return os.cpu_count()
return 0


def _compile(
self, sources, output_dir=None, macros=None, include_dirs=None,
Expand Down Expand Up @@ -376,8 +378,9 @@ def finalize_options(self):
def build_extensions(self):
self.check_extensions_list(self.extensions)

if _get_cpu_count():
with Pool(_get_cpu_count()) as pool:
ncpus = _get_cpu_count()
if ncpus > 0:
with Pool(ncpus) as pool:
pool.map(self.build_extension, self.extensions)
else:
super().build_extensions()
Expand Down