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