setup.py 3.52 KB
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import os
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import sys
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import glob
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import os.path as osp
from itertools import product
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from setuptools import setup, find_packages
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import torch
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from torch.__config__ import parallel_info
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from torch.utils.cpp_extension import BuildExtension
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from torch.utils.cpp_extension import CppExtension, CUDAExtension, CUDA_HOME
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WITH_CUDA = torch.cuda.is_available() and CUDA_HOME is not None
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suffices = ['cpu', 'cuda'] if WITH_CUDA else ['cpu']
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if os.getenv('FORCE_CUDA', '0') == '1':
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    suffices = ['cuda', 'cpu']
if os.getenv('FORCE_ONLY_CUDA', '0') == '1':
    suffices = ['cuda']
if os.getenv('FORCE_ONLY_CPU', '0') == '1':
    suffices = ['cpu']
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BUILD_DOCS = os.getenv('BUILD_DOCS', '0') == '1'


def get_extensions():
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    extensions = []
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    extensions_dir = osp.join('csrc')
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    main_files = glob.glob(osp.join(extensions_dir, '*.cpp'))
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    for main, suffix in product(main_files, suffices):
        define_macros = []
        extra_compile_args = {'cxx': ['-O2']}
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        if not os.name == 'nt':  # Not on Windows:
            extra_compile_args['cxx'] += ['-Wno-sign-compare']
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        extra_link_args = ['-s']

        info = parallel_info()
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        if ('backend: OpenMP' in info and 'OpenMP not found' not in info
                and sys.platform != 'darwin'):
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            extra_compile_args['cxx'] += ['-DAT_PARALLEL_OPENMP']
            if sys.platform == 'win32':
                extra_compile_args['cxx'] += ['/openmp']
            else:
                extra_compile_args['cxx'] += ['-fopenmp']
        else:
            print('Compiling without OpenMP...')

        if suffix == 'cuda':
            define_macros += [('WITH_CUDA', None)]
            nvcc_flags = os.getenv('NVCC_FLAGS', '')
            nvcc_flags = [] if nvcc_flags == '' else nvcc_flags.split(' ')
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            nvcc_flags += ['--expt-relaxed-constexpr', '-O2']
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            extra_compile_args['nvcc'] = nvcc_flags

        name = main.split(os.sep)[-1][:-4]
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        sources = [main]
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        path = osp.join(extensions_dir, 'cpu', f'{name}_cpu.cpp')
        if osp.exists(path):
            sources += [path]
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        path = osp.join(extensions_dir, 'cuda', f'{name}_cuda.cu')
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        if suffix == 'cuda' and osp.exists(path):
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            sources += [path]
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        Extension = CppExtension if suffix == 'cpu' else CUDAExtension
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        extension = Extension(
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            f'torch_cluster._{name}_{suffix}',
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            sources,
            include_dirs=[extensions_dir],
            define_macros=define_macros,
            extra_compile_args=extra_compile_args,
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            extra_link_args=extra_link_args,
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        )
        extensions += [extension]

    return extensions
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install_requires = []
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setup_requires = []
tests_require = ['pytest', 'pytest-runner', 'pytest-cov', 'scipy']
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setup(
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    name='torch_cluster',
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    version='1.5.9',
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    author='Matthias Fey',
    author_email='matthias.fey@tu-dortmund.de',
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    url='https://github.com/rusty1s/pytorch_cluster',
    description=('PyTorch Extension Library of Optimized Graph Cluster '
                 'Algorithms'),
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    keywords=[
        'pytorch',
        'geometric-deep-learning',
        'graph-neural-networks',
        'cluster-algorithms',
    ],
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    license='MIT',
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    python_requires='>=3.6',
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    install_requires=install_requires,
    setup_requires=setup_requires,
    tests_require=tests_require,
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    extras_require={'test': tests_require},
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    ext_modules=get_extensions() if not BUILD_DOCS else [],
    cmdclass={
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        'build_ext':
        BuildExtension.with_options(no_python_abi_suffix=True, use_ninja=False)
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    },
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    packages=find_packages(),
)