1import os
2import re
3import sys
4import platform
5import subprocess
6
7from setuptools import setup, Extension
8from setuptools.command.build_ext import build_ext
9from distutils.version import LooseVersion
10from distutils.sysconfig import get_config_var
11from distutils.sysconfig import get_python_inc
12
13CMAKE_ADDITIONAL_OPT = []
14if '--' in sys.argv:
15    i = sys.argv.index('--')
16    CMAKE_ADDITIONAL_OPT = sys.argv[i+1:]
17    sys.argv = sys.argv[:i]
18
19class CMakeExtension(Extension):
20
21    def __init__(self, name, sourcedir=''):
22        Extension.__init__(self, name, sources=[])
23        self.sourcedir = os.path.abspath(sourcedir)
24
25
26class CMakeBuild(build_ext):
27
28    def run(self):
29        try:
30            out = subprocess.check_output(['cmake', '--version'])
31        except OSError:
32            raise RuntimeError("CMake must be installed to build the following extensions: " +
33                               ", ".join(e.name for e in self.extensions))
34
35        if platform.system() == "Windows":
36            cmake_version = LooseVersion(
37                re.search(r'version\s*([\d.]+)', out.decode()).group(1))
38            if cmake_version < '3.1.0':
39                raise RuntimeError("CMake >= 3.1.0 is required on Windows")
40
41        for ext in self.extensions:
42            self.build_extension(ext)
43
44    def build_extension(self, ext):
45        extdir = os.path.abspath(os.path.dirname(
46            self.get_ext_fullpath(ext.name)))
47
48        python_library = str(get_config_var('LIBDIR'))
49        python_include_directory = str(get_python_inc())
50
51        cmake_args = ['-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=' + extdir,
52                      '-DPYTHON_EXECUTABLE=' + sys.executable,
53                      '-DPYTHON_INCLUDE_DIR=' + python_include_directory, ]
54
55        cfg = 'Debug' if self.debug else 'Release'
56        build_args = ['--config', cfg]
57
58        if platform.system() == "Windows":
59            cmake_args += [
60                '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_{}={}'.format(cfg.upper(), extdir)]
61            if sys.maxsize > 2**32:
62                cmake_args += ['-A', 'x64']
63            build_args += ['--', '/m']
64        else:
65            cmake_args += ['-DCMAKE_BUILD_TYPE=' + cfg]
66            build_args += ['--', '-j2']
67        cmake_args += CMAKE_ADDITIONAL_OPT
68
69        env = os.environ.copy()
70        env['CXXFLAGS'] = '{} -DVERSION_INFO=\\"{}\\"'.format(env.get('CXXFLAGS', ''),
71                                                              self.distribution.get_version())
72        if not os.path.exists(self.build_temp):
73            os.makedirs(self.build_temp)
74
75        subprocess.check_call(['cmake', ext.sourcedir] +
76                              cmake_args, cwd=self.build_temp, env=env)
77        subprocess.check_call(['cmake', '--build', '.'] +
78                              build_args, cwd=self.build_temp)
79
80setup(
81    name='pyigl',
82    version='0.0.1',
83    author='Geometric Computing Lab @ NYU',
84    author_email='info@geometriccomputing.org',
85    description='',
86    long_description='',
87    ext_modules=[CMakeExtension('pyigl')],
88    cmdclass=dict(build_ext=CMakeBuild),
89    zip_safe=False,
90)
91