xcdat/pybind/setup.py
2021-07-10 22:42:36 +09:00

115 lines
3.2 KiB
Python
Executable file

from setuptools import setup, Extension
from setuptools.command.build_ext import build_ext
import sys
import setuptools
__version__ = '0.1.0'
class get_pybind_include(object):
"""Helper class to determine the pybind11 include path
The purpose of this class is to postpone importing pybind11
until it is actually installed, so that the ``get_include()``
method can be invoked. """
def __init__(self, user=False):
self.user = user
def __str__(self):
import pybind11
return pybind11.get_include(self.user)
ext_modules = [
Extension(
'xcdat',
['xcdat_pybind.cpp'],
include_dirs=[
# Path to pybind11 headers
get_pybind_include(),
get_pybind_include(user=True),
],
language='c++'
),
]
# As of Python 3.6, CCompiler has a `has_flag` method.
# cf http://bugs.python.org/issue26689
def has_flag(compiler, flagname):
"""Return a boolean indicating whether a flag name is supported on
the specified compiler.
"""
import tempfile
with tempfile.NamedTemporaryFile('w', suffix='.cpp') as f:
f.write('int main (int argc, char **argv) { return 0; }')
try:
compiler.compile([f.name], extra_postargs=[flagname])
except setuptools.distutils.errors.CompileError:
return False
return True
def cpp_flag(compiler):
"""Return the -std=c++[17] compiler flag.
The newer version is prefered over c++17 (when it is available).
"""
flags = ['-std=c++17']
for flag in flags:
if has_flag(compiler, flag):
return flag
raise RuntimeError(
'Unsupported compiler -- at least C++17 support is needed!')
class BuildExt(build_ext):
"""A custom build extension for adding compiler-specific options."""
c_opts = {
'msvc': ['/EHsc'],
'unix': ['-DNDEBUG', '-march=native', '-O3'],
}
l_opts = {
'msvc': [],
'unix': [],
}
if sys.platform == 'darwin':
darwin_opts = ['-stdlib=libc++', '-mmacosx-version-min=10.7']
c_opts['unix'] += darwin_opts
l_opts['unix'] += darwin_opts
def build_extensions(self):
ct = self.compiler.compiler_type
opts = self.c_opts.get(ct, [])
link_opts = self.l_opts.get(ct, [])
if ct == 'unix':
opts.append('-DVERSION_INFO="%s"' %
self.distribution.get_version())
opts.append(cpp_flag(self.compiler))
if has_flag(self.compiler, '-fvisibility=hidden'):
opts.append('-fvisibility=hidden')
elif ct == 'msvc':
opts.append('/DVERSION_INFO=\\"%s\\"' %
self.distribution.get_version())
for ext in self.extensions:
ext.extra_compile_args = opts
ext.extra_link_args = link_opts
build_ext.build_extensions(self)
setup(
name='xcdat',
version=__version__,
author='Kampersanda',
description='Xcdat: Fast compressed trie dictionary',
long_description='',
ext_modules=ext_modules,
install_requires=['pybind11>=2.4'],
setup_requires=['pybind11>=2.4'],
cmdclass={'build_ext': BuildExt},
zip_safe=False,
)