setup.py

#!/usr/bin/env python
# Copyright (c) 2017-2024, Intel Corporation
#
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import io
import os
import re
from os.path import join
import Cython.Build
from setuptools import setup, Extension
import numpy as np
from _vendored.conv_template import process_file as process_c_file

with io.open('mkl_fft/_version.py', 'rt', encoding='utf8') as f:
    version = re.search(r'__version__ = \'(.*?)\'', f.read()).group(1)

with open("README.md", "r", encoding="utf-8") as file:
    long_description = file.read()

VERSION = version

CLASSIFIERS = """\
Development Status :: 5 - Production/Stable
Intended Audience :: Science/Research
Intended Audience :: Developers
License :: OSI Approved
Programming Language :: C
Programming Language :: Python
Programming Language :: Python :: 3
Programming Language :: Python :: 3.9
Programming Language :: Python :: 3.10
Programming Language :: Python :: 3.11
Programming Language :: Python :: 3.12
Programming Language :: Python :: Implementation :: CPython
Topic :: Software Development
Topic :: Scientific/Engineering
Operating System :: Microsoft :: Windows
Operating System :: POSIX
Operating System :: Unix
Operating System :: MacOS
"""

def extensions():
    mkl_root = os.environ.get('MKLROOT', None)
    if mkl_root:
        mkl_info = {
            'include_dirs': [join(mkl_root, 'include')],
            'library_dirs': [join(mkl_root, 'lib'), join(mkl_root, 'lib', 'intel64')],
            'libraries': ['mkl_rt']
        }
    else:
        try:
            mkl_info = get_info('mkl')
        except:
            mkl_info = dict()

    mkl_include_dirs = mkl_info.get('include_dirs', [])
    mkl_library_dirs = mkl_info.get('library_dirs', [])
    mkl_libraries = mkl_info.get('libraries', ['mkl_rt'])

    mklfft_templ = os.path.join("mkl_fft", "src", "mklfft.c.src")
    processed_mklfft_fn = os.path.join("mkl_fft", "src", "mklfft.c")
    src_processed = process_c_file(mklfft_templ)

    with open(processed_mklfft_fn, 'w') as fid:
        fid.write(src_processed)

    return [
        Extension(
            "mkl_fft._pydfti",
            [
                os.path.join("mkl_fft", "_pydfti.pyx"),
                os.path.join("mkl_fft", "src", "mklfft.c"),
            ],
            depends = [
                os.path.join("mkl_fft", "src", 'mklfft.h'),
                os.path.join("mkl_fft", "src", "multi_iter.h")
            ],
            include_dirs = [os.path.join("mkl_fft", "src"), np.get_include()] + mkl_include_dirs,
            libraries = mkl_libraries,
            library_dirs = mkl_library_dirs,
            extra_compile_args = [
                '-DNDEBUG',
                # '-ggdb', '-O0', '-Wall', '-Wextra', '-DDEBUG',
            ],
            define_macros=[("NPY_NO_DEPRECATED_API", None), ("PY_ARRAY_UNIQUE_SYMBOL", "mkl_fft_ext")]
        )
    ]


setup(
    name = "mkl_fft",
    maintainer = "Intel Corp.",
    maintainer_email = "scripting@intel.com",
    description = "MKL-based FFT transforms for NumPy arrays",
    version = version,
    cmdclass={'build_ext': Cython.Build.build_ext},
    packages=[
        "mkl_fft",
        "mkl_fft.interfaces",
    ],
    package_data={"mkl_fft": ["tests/*.py"]},
    include_package_data=True,
    ext_modules=extensions(),
    zip_safe=False,
    long_description = long_description,
    long_description_content_type="text/markdown",
    url = "http://github.com/IntelPython/mkl_fft",
    author = "Intel Corporation",
    download_url = "http://github.com/IntelPython/mkl_fft",
    license = "BSD",
    classifiers = [_f for _f in CLASSIFIERS.split('\n') if _f],
    platforms = ["Windows", "Linux", "Mac OS-X"],
    test_suite = "pytest",
    python_requires = '>=3.7',
    setup_requires=["Cython",],
    install_requires = ["numpy >=1.16", "mkl"],
    keywords=["DFTI", "FFT", "Fourier", "MKL",],
)