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"""Setup file to build the C library."""
import os
import re
import sys
from glob import glob
from setuptools import Extension, setup
from setuptools_scm import ScmVersion, get_version
from setuptools_scm.version import guess_next_version
def _new_version_scheme(version: ScmVersion) -> str:
return version.format_next_version(guess_next_version, "{guessed}-dev{distance}")
def _new_local_scheme(version: ScmVersion) -> str:
return version.format_choice("", "-{node}")
c_version_string = get_version(
version_scheme=_new_version_scheme,
local_scheme=_new_local_scheme,
)
# from setuptools import setup
from setuptools.dist import Distribution
# Detect if setup.py is being run with an argument that doesn't require
# building anything. (egg info, help commands, etc)
options = Distribution.display_option_names + ["help-commands", "help"]
is_non_build = (
any("--" + opt in sys.argv for opt in options)
or len(sys.argv) == 1
or sys.argv[1] in ("egg_info", "clean", "help")
)
# Get the path where the lib was built (to link with the proper libsep library)
sep_lib_path = os.environ.get('SEP_LIB_PATH', '')
# extension module(s): only add if we actually need to build, because we need
# to import numpy and cython to build, and we'd rather non-build commands
# work when those dependencies are not installed.
if is_non_build:
extensions = None
else:
import numpy
from Cython.Build import cythonize
sourcefiles = ["sep.pyx"]
headerfiles = glob(os.path.join("src", "*.h"))
include_dirs = [numpy.get_include(), "src"]
extensions = [
Extension(
"sep",
sourcefiles,
include_dirs=include_dirs,
libraries=["sep"],
library_dirs=[sep_lib_path],
depends=headerfiles,
define_macros=[
("_USE_MATH_DEFINES", "1"),
("NPY_NO_DEPRECATED_API", "NPY_2_0_API_VERSION"),
],
extra_compile_args=['-DSEP_VERSION_STRING="' + c_version_string + '"'],
)
]
extensions = cythonize(
extensions,
language_level=3,
)
setup(ext_modules=extensions)
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