with io.open(

os.path.join(os.path.dirname(__file__), *names),

encoding=kwargs.get("encoding", "utf8")

) as fp:

version_file = read(*file_paths)

version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]",

version_file, re.M)

if version_match:

return version_match.group(1)

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,

'-DCMAKE_VERBOSE_MAKEFILE:BOOL=ON']

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)