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import os
import re
import sys
import platform
import subprocess
from setuptools import setup, Extension
from setuptools.command.build_ext import build_ext
from distutils.version import LooseVersion
class CMakeExtension(Extension):
def __init__(self, name, sourcedir=''):
Extension.__init__(self, name, sources=[])
self.sourcedir = os.path.abspath(sourcedir)
class CMakeBuild(build_ext):
def run(self):
try:
out = subprocess.check_output(['cmake', '--version'])
except OSError:
raise RuntimeError("CMake must be installed to build the following extensions: " +
", ".join(e.name for e in self.extensions))
if platform.system() == "Windows":
cmake_version = LooseVersion(re.search(r'version\s*([\d.]+)', out.decode()).group(1))
if cmake_version < '3.1.0':
raise RuntimeError("CMake >= 3.1.0 is required on Windows")
for ext in self.extensions:
self.build_extension(ext)
def build_extension(self, ext):
extdir = os.path.abspath(os.path.dirname(self.get_ext_fullpath(ext.name)))
cmake_args = ['-DPYTHON_EXECUTABLE=' + sys.executable,
'-DPython_EXECUTABLE=' + sys.executable,
'-DPYTHON_PACKAGE=ON',
'-DBUILD_SHARED_LIBS=OFF',]
if os.environ.get('CMAKE_INSTALL_PREFIX') is not None:
cmake_args += [f"-DCMAKE_INSTALL_PREFIX={os.environ.get('CMAKE_INSTALL_PREFIX')}"]
else:
# Set the install prefix to the extension directory so install() commands work
cmake_args += [f"-DCMAKE_INSTALL_PREFIX={extdir}"]
cfg = 'Debug' if self.debug else 'Release'
build_args = ['--config', cfg]
if platform.system() == "Windows":
if os.environ.get('CMAKE_TOOLCHAIN_FILE') is not None:
cmake_toolchain_file = os.environ.get('CMAKE_TOOLCHAIN_FILE')
cmake_args += [f'-DCMAKE_TOOLCHAIN_FILE={cmake_toolchain_file}']
cmake_args += ['-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_{}={}'.format(cfg.upper(), extdir)]
if sys.maxsize > 2**32:
if os.environ.get('CMAKE_TOOLCHAIN_FILE') is not None:
cmake_args += ['-DVCPKG_TARGET_TRIPLET=x64-windows']
cmake_args += ['-A', 'x64']
build_args += ['--', '/m']
else:
cmake_args += ['-DCMAKE_BUILD_TYPE=' + cfg]
build_args += ['--', '-j2']
env = os.environ.copy()
env['CXXFLAGS'] = '{} -DVERSION_INFO=\\"{}\\"'.format(
env.get('CXXFLAGS', ''),
self.distribution.get_version()
)
if not os.path.exists(self.build_temp):
os.makedirs(self.build_temp)
subprocess.check_call(['cmake', ext.sourcedir] + cmake_args, cwd=self.build_temp, env=env)
subprocess.check_call(['cmake', '--build', '.'] + build_args, cwd=self.build_temp)
# Run cmake --install but only install the python component to avoid library headers/libs
install_args = ['--config', cfg] if platform.system() == "Windows" else []
install_args += ['--component', 'python']
subprocess.check_call(['cmake', '--install', '.'] + install_args, cwd=self.build_temp)
# The information here can also be placed in setup.cfg - better separation of
# logic and declaration, and simpler if you include description/version in a file.
setup(
name="poselib",
version="2.0.4",
author="Viktor Larsson and contributors",
author_email="viktor.larsson@math.lth.se",
description="",
long_description="",
ext_modules=[CMakeExtension("poselib._core")],
packages=["poselib"],
package_dir={"poselib": "pyposelib"},
cmdclass={"build_ext": CMakeBuild},
zip_safe=False,
)
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