Erik Fröjdh ed2a69744b
Auto generating Python bindings (#70)
Auto generating python bindings
2020-01-07 15:47:38 +01:00

129 lines
3.8 KiB
Python
Executable File

"""
Setup file for sls_detector
Build upon the pybind11 example found here: https://github.com/pybind/python_example
"""
from setuptools import setup, Extension, find_packages
from setuptools.command.build_ext import build_ext
import sys
import setuptools
import os
__version__ = 'refactor'
def get_conda_path():
"""
Keep this a function if we need some fancier logic later
"""
print('Prefix: ', os.environ['CONDA_PREFIX'])
return os.environ['CONDA_PREFIX']
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(
'_sls_detector',
['src/main.cpp',
'src/enums.cpp',
'src/detector.cpp',
'src/network.cpp'],
include_dirs=[
# Path to pybind11 headers
get_pybind_include(),
get_pybind_include(user=True),
os.path.join(get_conda_path(), 'include/slsDetectorPackage'),
],
libraries=['SlsDetector', 'SlsReceiver', 'zmq'],
library_dirs=[
os.path.join(get_conda_path(), 'lib'),
os.path.join(get_conda_path(), 'bin'),
],
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++[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 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):
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())
for ext in self.extensions:
ext.extra_compile_args = opts
build_ext.build_extensions(self)
setup(
name='sls_detector',
version=__version__,
author='Erik Frojdh',
author_email='erik.frojdh@psi.ch',
url='https://github.com/slsdetectorgroup/sls_detector',
description='Detector API for SLS Detector Group detectors',
long_description='',
packages=find_packages(exclude=['contrib', 'docs', 'tests']),
ext_modules=ext_modules,
install_requires=['pybind11>=2.2'],
cmdclass={'build_ext': BuildExt},
zip_safe=False,
)