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setup.py
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setup.py
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from ctypes.util import find_library
import glob
import os
import pkgconfig
import setuptools
import sys
from setuptools.command.build_ext import build_ext
__version__ = "0.0.1"
BOOST_LIBRARIES = ["boost_system", "boost_filesystem", "boost_chrono",
"boost_regex"]
IS_DEV_BUILD = False
def check_build_dependencies():
"""Check that required libraries are present before trying to build."""
for library in BOOST_LIBRARIES:
if not find_library(library):
raise Exception("Could not find {} library".format(library))
if (not pkgconfig.exists("hdf5")) and (not find_library("hdf5")):
raise Exception("Could not find hdf5")
if not pkgconfig.exists("eigen3"):
raise Exception("Could not find hdf5")
def get_libraries():
"""Get libraries for building EM2.
This is mostly just finding hdf5. Boost doesn't seem to work with
pkg-config.
"""
all_libraries = list(BOOST_LIBRARIES)
if pkgconfig.exists("hdf5"):
all_libraries.extend(pkgconfig.parse("hdf5")['libraries'])
else:
all_libraries.append("hdf5")
all_libraries.append("hdf5_cpp")
return all_libraries
def get_library_dirs():
"""Get any library dirs to pass to the compiler."""
library_dirs = pkgconfig.parse("hdf5")['library_dirs']
return library_dirs
def get_include_dirs():
"""Get includes to pass to the compiler."""
include_dirs = []
include_dirs.extend(pkgconfig.parse("eigen3")["include_dirs"])
include_dirs.extend(pkgconfig.parse("hdf5")["include_dirs"])
include_dirs.append(get_pybind_include())
include_dirs.append(get_pybind_include(user=True))
return include_dirs
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++[11/14] compiler flag.
The c++14 is prefered over c++11 (when it is available).
"""
if has_flag(compiler, '-std=c++14'):
return '-std=c++14'
elif has_flag(compiler, '-std=c++11'):
return '-std=c++11'
else:
raise RuntimeError('Unsupported compiler -- at least C++11 support '
'is needed!')
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)
class BuildExt(build_ext):
"""A custom build extension for adding compiler-specific options."""
c_opts = {
'msvc': ['/EHsc'],
'unix': [],
}
if sys.platform == 'darwin':
c_opts['unix'] += ['-stdlib=libc++', '-mmacosx-version-min=10.7']
def build_extensions(self):
# Avoid lots of warnings
try:
self.compiler.compiler_so.remove("-Wstrict-prototypes")
except ValueError:
pass
ct = self.compiler.compiler_type
opts = self.c_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())
# Opts for building EM2 from Paolo
try:
self.compiler.compiler_so.remove("-O2")
except ValueError:
pass
if has_flag(self.compiler, '-msse4.2'):
opts.append("-msse4.2")
opts.append("-O3")
for ext in self.extensions:
ext.extra_compile_args = opts
build_ext.build_extensions(self)
check_build_dependencies()
ext_modules = [
setuptools.Extension(
'pyEM2',
sources=glob.glob(os.path.join("src", "pyEM2*.cpp")) +
(glob.glob("ExpressionMatrix2/src/*.cpp") if not IS_DEV_BUILD else []),
include_dirs=get_include_dirs() + [os.path.join("ExpressionMatrix2", "src")],
library_dirs=(["ExpressionMatrix2"] if IS_DEV_BUILD else []) + get_library_dirs(),
libraries=(["em2"] if IS_DEV_BUILD else []) + get_libraries(),
language="c++")
]
setuptools.setup(
name='pyEM2',
version=__version__,
ext_modules=ext_modules,
install_requires=['pybind11>=2.2'],
cmdclass={'build_ext': BuildExt},
zip_safe=False,
)