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# Adapted from https://github.com/pybind/cmake_example/blob/master/setup.py | |
import os | |
import re | |
import sys | |
import platform | |
import subprocess | |
import importlib | |
from sysconfig import get_paths | |
import importlib | |
from setuptools import setup, Extension | |
from setuptools.command.build_ext import build_ext | |
from setuptools.command.install import install | |
from distutils.sysconfig import get_config_var | |
from distutils.version import LooseVersion | |
class CMakeExtension(Extension): | |
def __init__(self, name, sourcedir, build_with_cuda): | |
Extension.__init__(self, name, sources=[]) | |
self.sourcedir = os.path.abspath(sourcedir) | |
self.build_with_cuda = build_with_cuda | |
class Build(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)) | |
super().run() | |
def build_extension(self, ext): | |
if isinstance(ext, CMakeExtension): | |
extdir = os.path.abspath(os.path.dirname(self.get_ext_fullpath(ext.name))) | |
info = get_paths() | |
include_path = info['include'] | |
cmake_args = ['-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=' + extdir, | |
'-DPYTHON_INCLUDE_PATH=' + include_path] | |
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), | |
'-DCMAKE_RUNTIME_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 += ['--', '-j8'] | |
if ext.build_with_cuda: | |
cmake_args += ['-DDIFFVG_CUDA=1'] | |
else: | |
cmake_args += ['-DDIFFVG_CUDA=0'] | |
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) | |
else: | |
super().build_extension(ext) | |
torch_spec = importlib.util.find_spec("torch") | |
tf_spec = importlib.util.find_spec("tensorflow") | |
packages = [] | |
build_with_cuda = False | |
if torch_spec is not None: | |
packages.append('pydiffvg') | |
import torch | |
if torch.cuda.is_available(): | |
build_with_cuda = True | |
if tf_spec is not None and sys.platform != 'win32': | |
packages.append('pydiffvg_tensorflow') | |
if not build_with_cuda: | |
import tensorflow as tf | |
if tf.test.is_gpu_available(cuda_only=True, min_cuda_compute_capability=None): | |
build_with_cuda = True | |
if len(packages) == 0: | |
print('Error: PyTorch or Tensorflow must be installed. For Windows platform only PyTorch is supported.') | |
exit() | |
# Override build_with_cuda with environment variable | |
if 'DIFFVG_CUDA' in os.environ: | |
build_with_cuda = os.environ['DIFFVG_CUDA'] == '1' | |
setup(name = 'diffvg', | |
version = '0.0.1', | |
install_requires = ["svgpathtools"], | |
description = 'Differentiable Vector Graphics', | |
ext_modules = [CMakeExtension('diffvg', '', build_with_cuda)], | |
cmdclass = dict(build_ext=Build, install=install), | |
packages = packages, | |
zip_safe = False) | |