setup.py

# Copyright 2017 Kakao
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import glob
import io
import logging
import os
import platform
import subprocess

from setuptools import setup, Extension


NAME = 'n2'
VERSION = '0.1.4'

def long_description():
    with io.open('README.rst', 'r', encoding='utf-8') as f:
        readme = f.read()
    return readme

def define_extensions(**kwargs):
    from Cython.Build import cythonize
    libraries = []
    extra_link_args = []
    extra_compile_args = ['-std=c++11', '-O3', '-fPIC']

    if platform.system() != 'Darwin':
        extra_compile_args.append('-march=native')
        extra_link_args.append('-fopenmp')
        extra_compile_args.append('-fopenmp')
    else:
        extra_compile_args.append('-stdlib=libc++')
        extra_link_args.append('-stdlib=libc++')
        if 'CXX' in os.environ.keys() and os.environ['CXX'].split('/')[-1] == 'icpc':
            extra_link_args.append('-fopenmp')
            extra_compile_args.append('-fopenmp')

    sources = ['./src/base.cc', './src/distance.cc', './src/heuristic.cc',
        './src/hnsw.cc', './src/hnsw_node.cc',  './src/mmap.cc',
        './bindings/python/n2.pyx']

    client_ext = Extension(name='n2',
                           sources=sources,
                           extra_compile_args=extra_compile_args,
                           libraries=libraries,
                           extra_link_args=extra_link_args,
                           include_dirs=['./include/'],
                           language="c++",)
    return cythonize(client_ext)

setup(
    name=NAME,
    version=VERSION,
    description='Approximate Nearest Neighbor library',
    long_description=long_description(),
    author='Kakao.corp',
    author_email='recotech.kakao@gmail.com',
    license='Apache License 2.0',
    install_requires=[
        "cython",
    ],
    classifiers=[
        'Programming Language :: Python',
        'Programming Language :: Python :: 2',
        'Programming Language :: Python :: 3',
        'Programming Language :: Cython',
        'Topic :: Software Development :: Libraries :: Python Modules'],

    keywords='Approximate Nearest Neighbor',
    ext_modules=define_extensions(),
)