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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)
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