Revision a2d6088423884477b26a64d7a56affecadb4b4e9 authored by emcastillo on 17 December 2020, 07:44:59 UTC, committed by GitHub on 17 December 2020, 07:44:59 UTC
Use Python 3.7 in ReadTheDocs
chainerx_build_helper.py
# This script is based on pybind11's example script. See the original via the
# following URL: https://github.com/pybind/cmake_example/blob/master/setup.py
import distutils
import os
import platform
import re
import subprocess
import sys
import setuptools
from setuptools.command import build_ext
def emit_build_info(build_chainerx):
dirname = os.path.dirname(__file__)
filename = os.path.join(dirname, 'chainerx/_build_info.py')
with open(filename, mode='w') as f:
f.write('build_chainerx = {}\n'.format(build_chainerx))
class CMakeExtension(setuptools.Extension):
def __init__(self, name, build_targets, sourcedir=''):
setuptools.Extension.__init__(self, name, sources=[])
self.sourcedir = os.path.abspath(sourcedir)
self.build_targets = build_targets
class CMakeBuild(build_ext.build_ext):
def run(self):
try:
out = subprocess.check_output(['cmake', '--version'])
except OSError:
raise RuntimeError('CMake must be installed to build ChainerX')
cmake_version = distutils.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 to build ChainerX')
generator = os.getenv('CHAINERX_CMAKE_GENERATOR', '').lower()
if generator not in ['', 'ninja']:
raise RuntimeError("Generator %s is not supported." % generator)
self.use_ninja = generator == 'ninja'
for ext in self.extensions:
self.build_extension(ext)
def build_extension(self, ext):
# Decide the build type: release/debug
build_type = os.getenv('CHAINERX_BUILD_TYPE', None)
if build_type is not None:
# Use environment variable
pass
elif self.debug:
# Being built with `python setup.py build --debug`
build_type = 'Debug'
elif os.getenv('READTHEDOCS', None) == 'True':
# on ReadTheDocs
build_type = 'Debug'
else:
# default
build_type = 'Release'
extdir = os.path.abspath(
os.path.dirname(self.get_ext_fullpath(ext.name)))
cmake_args = ['-GNinja'] if self.use_ninja else []
cmake_args += [
'-DCHAINERX_BUILD_PYTHON=1',
'-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=' + extdir,
'-DPYTHON_EXECUTABLE=' + sys.executable,
'-DCHAINERX_BUILD_TEST=OFF',
'-DCMAKE_BUILD_TYPE=' + build_type,
]
build_args = ['--config', build_type]
if platform.system() == 'Windows':
cmake_args += [
'-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_{}={}'.format(
build_type.upper(), extdir)]
if not self.use_ninja:
if sys.maxsize > 2**32:
cmake_args += ['-A', 'x64']
build_args += ['--', '/m']
else:
build_args += ['--']
build_args += ext.build_targets
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)
def config_setup_kwargs(setup_kwargs, build_chainerx):
# TODO(imanishi): Call this function with setuptools.
emit_build_info(build_chainerx)
if not build_chainerx:
# `chainerx` package needs to be able to be imported even if ChainerX
# is unavailable.
setup_kwargs['packages'] += ['chainerx']
return
if sys.version_info < (3, 5):
raise RuntimeError(
'ChainerX is only available for Python 3.5 or later.')
setup_kwargs['packages'] += [
'chainerx',
'chainerx._docs',
'chainerx.creation',
'chainerx.manipulation',
'chainerx.math',
'chainerx.random',
'chainerx.testing',
]
setup_kwargs['package_data'] = {
'chainerx': ['py.typed', '*.pyi'],
}
setup_kwargs.update(dict(
cmdclass={'build_ext': CMakeBuild},
ext_modules=[CMakeExtension(
name='chainerx._core',
build_targets=['_core.so'],
sourcedir='chainerx_cc')],
))
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