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124 lines (104 loc) · 3.96 KB
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############################################################################
# Copyright (c) Wolf Vollprecht, Johan Mabille and Sylvain Corlay #
# Copyright (c) QuantStack #
# #
# Distributed under the terms of the BSD 3-Clause License. #
# #
# The full license is in the file LICENSE, distributed with this software. #
############################################################################
from setuptools import setup, Extension
from setuptools.command.build_ext import build_ext
import sys
import os
import setuptools
__version__ = '0.0.1'
class get_pybind_include(object):
"""Helper class to determine the pybind11 include path
The purpose of this class is to postpone importing pybind11
until it is actually installed, so that the ``get_include()``
method can be invoked. """
def __init__(self, user=False):
self.user = user
def __str__(self):
import pybind11
return pybind11.get_include(self.user)
class get_numpy_include(object):
"""Helper class to determine the numpy include path
The purpose of this class is to postpone importing numpy
until it is actually installed, so that the ``get_include()``
method can be invoked. """
def __str__(self):
import numpy
return numpy.get_include()
ext_modules = [
Extension(
'xtensor_python_test',
['main.cpp'],
include_dirs=[
# Path to pybind11 headers
'../include/',
get_pybind_include(),
get_pybind_include(user=True),
# Path to numpy headers
get_numpy_include(),
os.path.join(sys.prefix, 'include'),
os.path.join(sys.prefix, 'Library', 'include')
],
language='c++'
),
]
def has_flag(compiler, flagname):
"""Return a boolean indicating whether a flag name is supported on
the specified compiler.
"""
import tempfile
with tempfile.NamedTemporaryFile('w', suffix='.cpp') as f:
f.write('int main (int argc, char **argv) { return 0; }')
try:
compiler.compile([f.name], extra_postargs=[flagname])
except setuptools.distutils.errors.CompileError:
return False
return True
def cpp_flag(compiler):
"""Return the -std=c++17 compiler flag and errors when the flag is
no available.
"""
if has_flag(compiler, '-std=c++20'):
return '-std=c++20'
else:
raise RuntimeError('C++17 support is required by xtensor!')
class BuildExt(build_ext):
"""A custom build extension for adding compiler-specific options."""
c_opts = {
'msvc': ['/EHsc'],
'unix': [],
}
if sys.platform == 'darwin':
c_opts['unix'] += ['-stdlib=libc++', '-mmacosx-version-min=10.13']
def build_extensions(self):
ct = self.compiler.compiler_type
opts = self.c_opts.get(ct, [])
if ct == 'unix':
opts.append('-DVERSION_INFO="%s"' % self.distribution.get_version())
opts.append(cpp_flag(self.compiler))
if has_flag(self.compiler, '-fvisibility=hidden'):
opts.append('-fvisibility=hidden')
elif ct == 'msvc':
opts.append('/DVERSION_INFO=\\"%s\\"' % self.distribution.get_version())
opts.append('/std:c++20')
for ext in self.extensions:
ext.extra_compile_args = opts
build_ext.build_extensions(self)
setup(
name='xtensor_python_test',
version=__version__,
author='Sylvain Corlay',
author_email='sylvain.corlay@gmail.com',
url='https://github.com/pybind/python_example',
description='An example project using xtensor-python',
long_description='',
ext_modules=ext_modules,
install_requires=['pybind11>=2.0.1'],
cmdclass={'build_ext': BuildExt},
zip_safe=False,
)