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- import sys
- if 'setuptools' in sys.modules:
- try:
- from setuptools.command.build_ext import build_ext as _build_ext
- except ImportError:
- # We may be in the process of importing setuptools, which tries
- # to import this.
- from distutils.command.build_ext import build_ext as _build_ext
- else:
- from distutils.command.build_ext import build_ext as _build_ext
- class new_build_ext(_build_ext, object):
- def finalize_options(self):
- if self.distribution.ext_modules:
- nthreads = getattr(self, 'parallel', None) # -j option in Py3.5+
- nthreads = int(nthreads) if nthreads else None
- from Cython.Build.Dependencies import cythonize
- self.distribution.ext_modules[:] = cythonize(
- self.distribution.ext_modules, nthreads=nthreads, force=self.force)
- super(new_build_ext, self).finalize_options()
- # This will become new_build_ext in the future.
- from .old_build_ext import old_build_ext as build_ext
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