setup.py

from setuptools import setup, Extension
import numpy
import os

# Get absolute paths to OpenCV include and lib
BASE_DIR = os.path.abspath(os.path.dirname(__file__))
OPENCV_DIR = os.path.join(BASE_DIR, 'opencv-install')
INCLUDE_DIRS = [
    numpy.get_include(),
    os.path.join(OPENCV_DIR, 'include'),
    os.path.join(OPENCV_DIR, 'include', 'opencv4')
]
LIBRARY_DIRS = [os.path.join(OPENCV_DIR, 'lib')]

# Define the extension
_stasm = Extension(
    '_stasm',
    sources=[
        'src/MOD_1/facedet.cpp',  # adjust this to actual source files
        'src/MOD_1/your_other_file.cpp'
    ],
    include_dirs=INCLUDE_DIRS,
    library_dirs=LIBRARY_DIRS,
    libraries=[
        'opencv_core',
        'opencv_imgproc',
        'opencv_highgui',
        'opencv_imgcodecs'
    ],
    extra_compile_args=['-std=c++11']
)

setup(
    name='stasm',
    version='2.0.2',
    packages=['stasm', 'stasm.data'],
    ext_modules=[_stasm],
    install_requires=[
        'numpy',
        'docopt'
    ]
)