annoy

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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# Copyright (c) 2013 Spotify AB
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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from setuptools import setup, Extension
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import codecs
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import os
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import platform
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import sys
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readme_note = """\
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.. note::
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   For the latest source, discussion, etc, please visit the
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   `GitHub repository <https://github.com/spotify/annoy>`_\n\n
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.. image:: https://img.shields.io/github/stars/spotify/annoy.svg
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    :target: https://github.com/spotify/annoy
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"""
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with codecs.open('README.rst', encoding='utf-8') as fobj:
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    long_description = readme_note + fobj.read()
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# Various platform-dependent extras
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extra_compile_args = ['-D_CRT_SECURE_NO_WARNINGS', '-fpermissive']
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extra_link_args = []
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if platform.machine() == 'ppc64le':
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    extra_compile_args += ['-mcpu=native',]
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if platform.machine() == 'x86_64':
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    # do not apply march on Intel Darwin
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    if platform.system() != 'Darwin':
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        # Not all CPUs have march as a tuning parameter
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        extra_compile_args += ['-march=native',]
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if os.name != 'nt':
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    extra_compile_args += ['-O3', '-ffast-math', '-fno-associative-math']
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# Add multithreaded build flag for all platforms using Python 3 and
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# for non-Windows Python 2 platforms
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python_major_version = sys.version_info[0]
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if python_major_version == 3 or (python_major_version == 2 and os.name != 'nt'):
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    extra_compile_args += ['-DANNOYLIB_MULTITHREADED_BUILD']
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    if os.name != 'nt':
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        extra_compile_args += ['-std=c++14']
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# #349: something with OS X Mojave causes libstd not to be found
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if platform.system() == 'Darwin':
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    extra_compile_args += ['-mmacosx-version-min=10.12']
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    extra_link_args += ['-stdlib=libc++', '-mmacosx-version-min=10.12']
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# Manual configuration, you're on your own here.
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manual_compiler_args = os.environ.get('ANNOY_COMPILER_ARGS', None)
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if manual_compiler_args:
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    extra_compile_args = manual_compiler_args.split(',')
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manual_linker_args = os.environ.get('ANNOY_LINKER_ARGS', None)
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if manual_linker_args:
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    extra_link_args = manual_linker_args.split(',')
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setup(name='annoy',
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      version='1.17.3',
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      description='Approximate Nearest Neighbors in C++/Python optimized for memory usage and loading/saving to disk.',
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      packages=['annoy'],
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      package_data={'annoy': ['__init__.pyi', 'py.typed']},
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      ext_modules=[
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          Extension(
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              'annoy.annoylib', ['src/annoymodule.cc'],
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              depends=['src/annoylib.h', 'src/kissrandom.h', 'src/mman.h'],
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              extra_compile_args=extra_compile_args,
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              extra_link_args=extra_link_args,
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          )
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      ],
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      long_description=long_description,
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      author='Erik Bernhardsson',
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      author_email='mail@erikbern.com',
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      url='https://github.com/spotify/annoy',
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      license='Apache License 2.0',
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      classifiers=[
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          'Development Status :: 5 - Production/Stable',
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          'Programming Language :: Python',
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          'Programming Language :: Python :: 2.6',
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          'Programming Language :: Python :: 2.7',
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          'Programming Language :: Python :: 3.3',
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          'Programming Language :: Python :: 3.4',
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          'Programming Language :: Python :: 3.5',
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          'Programming Language :: Python :: 3.6',
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          'Programming Language :: Python :: 3.7',
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          'Programming Language :: Python :: 3.8',
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          'Programming Language :: Python :: 3.9',
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      ],
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      keywords='nns, approximate nearest neighbor search',
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      setup_requires=['nose>=1.0'],
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      tests_require=['numpy', 'h5py']
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      )
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