setup.py

#!/usr/bin/env python
import setuptools
import sys

class NumpyImport:
  def __repr__(self):
    import numpy as np

    return np.get_include()

  __fspath__ = __repr__


# NOTE: If fastremap.cpp does not exist, you must run
# cython -3 --cplus fastremap.pyx

extra_compile_args = [
  '-std=c++11', '-O3',
]

if sys.platform == 'darwin':
  extra_compile_args += ['-stdlib=libc++', '-mmacosx-version-min=10.9']

setuptools.setup(
  setup_requires=['pbr', 'cython', 'numpy'],
  python_requires=">=3.7,<4.0",
  pbr=True,
  ext_modules=[
    setuptools.Extension(
      'fastremap',
      sources=['fastremap.pyx'],
      depends=[],
      language='c++',
      language_level=3,
      include_dirs=[str(NumpyImport())],
      extra_compile_args=extra_compile_args,
    )
  ],
  long_description_content_type='text/markdown',
)