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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) | |