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setup.py
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setup.py
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import contextlib
import os
from pathlib import Path
import setuptools
from setuptools import Extension, find_namespace_packages, setup
from setuptools.command.build_ext import build_ext
__version__ = "1.5.4"
"""
As per
https://github.com/pybind/python_example
"""
# if sys.platform == 'darwin':
# # use g++ instead of clang on Mac
# os.environ["CXX"] = "g++"
# os.environ['CC'] = "g++"
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 __str__(self):
import pybind11
return pybind11.get_include()
ext_modules = [
Extension(
"cmtj",
# Sort input source files to ensure bit-for-bit reproducible builds
# (https://github.com/pybind/python_example/pull/53)
sorted([os.path.join("python", "cmtj.cpp")]),
include_dirs=[
# Path to pybind11 headers
get_pybind_include(),
],
libraries=[],
library_dirs=[
"/usr/local/lib",
],
extra_compile_args=["-O3", "-v", "-shared"],
language="c++",
),
]
# 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 os
import tempfile
with tempfile.NamedTemporaryFile("w", suffix=".cpp", delete=False) as f:
f.write("int main (int argc, char **argv) { return 0; }")
fname = f.name
try:
compiler.compile([fname], extra_postargs=[flagname])
except setuptools.distutils.errors.CompileError:
return False
finally:
with contextlib.suppress(OSError):
os.remove(fname)
return True
def cpp_flag(compiler):
"""
Return the -std=c++[11/14/17/20] compiler flag.
The newer version is prefered over c++11 (when it is available).
"""
flags = ["-std=c++20", "-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", "/std:c++17"],
"unix": [],
}
l_opts = {
"msvc": [],
"unix": [],
}
"""
TBD if below is a problem for some. Leaving JIC
"""
# if sys.platform == 'darwin':
# darwin_opts = [, '-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(cpp_flag(self.compiler))
if has_flag(self.compiler, "-fvisibility=hidden"):
opts.append("-fvisibility=hidden")
for ext in self.extensions:
ext.define_macros = [
("VERSION_INFO", f'"{self.distribution.get_version()}"')
]
ext.extra_compile_args = opts
ext.extra_link_args = link_opts
build_ext.build_extensions(self)
def find_stubs(path: Path):
"""Actually only MANIFEST.in is needed for this. Leaving JIC."""
return [str(pyi.relative_to(path)) for pyi in path.rglob("*.pyi")]
setup(
name="cmtj",
version=__version__,
author="Jakub",
keywords=["magnetics", "physics", "simulation", "spintronics"],
author_email="[email protected]",
url="https://github.com/LemurPwned/cmtj",
description="CMTJ - C Magnetic Tunnel Junctions.",
ext_modules=ext_modules,
include_package_data=True,
namespace_packages=["cmtj"],
packages=find_namespace_packages(include=["cmtj", "cmtj.*"]),
package_data={
"cmtj": [
"py.typed",
*find_stubs(path=Path("cmtj")),
]
},
setup_requires=["pybind11>=2.6.1"],
cmdclass={"build_ext": BuildExt},
zip_safe=False,
)