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setup.py
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setup.py
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# Copyright 2017-2018 Lars Pastewka, Andreas Greiner
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# Adopted from: https://github.com/pybind/python_example
from setuptools import find_packages, setup, Extension
from setuptools.command.build_ext import build_ext
import os
import sys
import setuptools
__version__ = '0.0.1'
#update
def get_eigen_include(eigen_version='3.4.0'):
"""Helper function to download and install eigen and return include path.
"""
root = os.path.abspath(os.path.dirname(__file__))
eigen_path = '{}/depend/eigen-{}'.format(root, eigen_version)
if not os.path.exists(eigen_path):
os.makedirs(eigen_path, exist_ok=True)
# https://gitlab.com/libeigen/eigen/-/archive/3.4.0/eigen-3.4.0.tar.bz2
# os.system('curl -L http://bitbucket.org/eigen/eigen/get/{}.tar.bz2 | tar -jx -C {} --strip-components 1'.format(eigen_version, eigen_path))
# TODO this seems to be broken, ill copy manually
# os.system('curl -L https://gitlab.com/libeigen/eigen/-/archive/3.4.0/eigen-3.4.0.tar.bz2 | tar'.format(eigen_version, eigen_path))
return(eigen_path)
def get_pybind11_include(pybind11_version='2.2.3'):
"""Helper function to download and install pybind and return include path.
"""
root = os.path.abspath(os.path.dirname(__file__))
pybind11_path = '{}/depend/pybind11-{}'.format(root, pybind11_version)
if not os.path.exists(pybind11_path):
os.makedirs(pybind11_path, exist_ok=True)
os.system('curl -L https://github.com/pybind/pybind11/archive/v{}.tar.gz | tar -zx -C {} --strip-components 1'.format(pybind11_version, pybind11_path))
return('{}/include'.format(pybind11_path))
ext_modules = [
Extension(
'_lbkernels',
['c/_lbkernels.cpp'],
include_dirs=[
# Path to pybind11 and Eigen headers
get_eigen_include(),
get_pybind11_include()
],
language='c++'
),
]
# As of Python 3.6, CCompiler has a `has_flag` method.
# cf http://bugs.python.org/issue26689
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++[11/14] compiler flag.
The c++14 is prefered over c++11 (when it is available).
"""
if has_flag(compiler, '-std=c++14'):
return '-std=c++14'
elif has_flag(compiler, '-std=c++11'):
return '-std=c++11'
else:
raise RuntimeError('Unsupported compiler -- at least C++11 support '
'is needed!')
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=10.7']
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())
for ext in self.extensions:
ext.extra_compile_args = opts
build_ext.build_extensions(self)
# run --help-commands to get all the cmds mostly install and build_clib
setup(
name='PyLB',
version=__version__,
author='Lars Pastewka',
author_email='lars.pastewka@imtek.uni-freiburg.de',
url='https://github.com/pastewka/LBWithPython',
description='Lattice Boltzmann with Python',
long_description='',
packages = find_packages(),
ext_modules=ext_modules,
cmdclass={'build_ext': BuildExt},
zip_safe=False,
test_suite='tests'
)