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102 lines
2.9 KiB
102 lines
2.9 KiB
from setuptools import setup, Extension |
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from setuptools.command.build_ext import build_ext |
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import sys |
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import setuptools |
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__version__ = '0.0.1' |
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class get_pybind_include(object): |
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"""Helper class to determine the pybind11 include path |
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The purpose of this class is to postpone importing pybind11 |
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until it is actually installed, so that the ``get_include()`` |
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method can be invoked. """ |
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def __init__(self, user=False): |
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self.user = user |
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def __str__(self): |
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import pybind11 |
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return pybind11.get_include(self.user) |
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ext_modules = [ |
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Extension( |
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'python_example', |
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['src/main.cpp'], |
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include_dirs=[ |
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# Path to pybind11 headers |
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get_pybind_include(), |
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get_pybind_include(user=True) |
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], |
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language='c++' |
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), |
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] |
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# As of Python 3.6, CCompiler has a `has_flag` method. |
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# cf http://bugs.python.org/issue26689 |
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def has_flag(compiler, flagname): |
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"""Return a boolean indicating whether a flag name is supported on |
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the specified compiler. |
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""" |
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import tempfile |
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with tempfile.NamedTemporaryFile('w', suffix='.cpp') as f: |
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f.write('int main (int argc, char **argv) { return 0; }') |
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try: |
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compiler.compile([f.name], extra_postargs=[flagname]) |
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except setuptools.distutils.errors.CompileError: |
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return False |
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return True |
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def cpp_flag(compiler): |
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"""Return the -std=c++[11/14] compiler flag. |
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The c++14 is prefered over c++11 (when it is available). |
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""" |
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if has_flag(compiler, '-std=c++14'): |
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return '-std=c++14' |
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elif has_flag(compiler, '-std=c++11'): |
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return '-std=c++11' |
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else: |
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raise RuntimeError('Unsupported compiler -- at least C++11 support ' |
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'is needed!') |
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class BuildExt(build_ext): |
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"""A custom build extension for adding compiler-specific options.""" |
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c_opts = { |
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'msvc': ['/EHsc'], |
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'unix': [], |
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} |
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if sys.platform == 'darwin': |
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c_opts['unix'] += ['-stdlib=libc++', '-mmacosx-version-min=10.7'] |
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def build_extensions(self): |
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ct = self.compiler.compiler_type |
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opts = self.c_opts.get(ct, []) |
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opts.append('-DVERSION_INFO="%s"' % self.distribution.get_version()) |
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if ct == 'unix': |
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opts.append(cpp_flag(self.compiler)) |
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if has_flag(self.compiler, '-fvisibility=hidden'): |
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opts.append('-fvisibility=hidden') |
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for ext in self.extensions: |
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ext.extra_compile_args = opts |
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build_ext.build_extensions(self) |
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setup( |
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name='python_example', |
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version=__version__, |
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author='Sylvain Corlay', |
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author_email='sylvain.corlay@gmail.com', |
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url='https://github.com/pybind/python_example', |
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description='A test project using pybind11', |
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long_description='', |
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ext_modules=ext_modules, |
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install_requires=['pybind11>=1.7'], |
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cmdclass={'build_ext': BuildExt}, |
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zip_safe=False, |
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)
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