import os
import re
import sys
import sysconfig
import platform
import subprocess
from distutils.version import LooseVersion
from setuptools import setup, Extension
from setuptools.command.build_ext import build_ext
from setuptools.command.test import test as TestCommand
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 = ['-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=' + extdir,
'-DPYTHON_EXECUTABLE=' + sys.executable]
cfg = 'Debug' if self.debug else 'Release'
build_args = ['--config', cfg]
if platform.system() == "Windows":
cmake_args += ['-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_{}={}'.format(
cfg.upper(),
extdir)]
if sys.maxsize > 2**32:
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)
print() # Add an empty line for cleaner output
class CatchTestCommand(TestCommand):
"""
A custom test runner to execute both python unittest tests and C++ Catch-
lib tests.
"""
def distutils_dir_name(self, dname):
"""Returns the name of a distutils build directory"""
dir_name = "{dirname}.{platform}-{version[0]}.{version[1]}"
return dir_name.format(dirname=dname,
platform=sysconfig.get_platform(),
version=sys.version_info)
def run(self):
# Run python tests
super(CatchTestCommand, self).run()
print("\nPython tests complete, now running C++ tests...\n")
# Run catch tests
subprocess.call(['./*_test'],
cwd=os.path.join('build',
self.distutils_dir_name('temp')),
shell=True)
setup(
name='python_cpp_example',
version='0.1',
author='Benjamin Jack',
author_email='benjamin.r.jack@gmail.com',
description='A hybrid Python/C++ test project',
long_description='',
ext_modules=[CMakeExtension('python_cpp_example')],
cmdclass=dict(build_ext=CMakeBuild, test=CatchTestCommand),
zip_safe=False,
)