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from setuptools import setup, find_packages, Extension
from setuptools.command.build_ext import build_ext as _build_ext
from setuptools.command.sdist import sdist as _sdist
from distutils import log
import os
import sys
import pkg_resources
from io import open
import re
argv = sys.argv[1:]
needs_wheel = {"bdist_wheel"}.intersection(argv)
wheel = ["wheel"] if needs_wheel else []
# check if minimum required Cython is available
cython_version_re = re.compile(r'\s*"cython\s*>=\s*([0-9][0-9\w\.]*)\s*"')
with open("pyproject.toml", "r", encoding="utf-8") as fp:
for line in fp:
m = cython_version_re.match(line)
if m:
cython_min_version = m.group(1)
break
else:
sys.exit("error: could not parse cython version from pyproject.toml")
try:
required_cython = "cython >= %s" % cython_min_version
pkg_resources.require(required_cython)
except pkg_resources.ResolutionError:
with_cython = False
else:
with_cython = True
class cython_build_ext(_build_ext):
"""Compile *.pyx source files to *.c using cythonize if Cython is
installed, else use the pre-generated *.c sources.
"""
def finalize_options(self):
if with_cython:
from Cython.Build import cythonize
# optionally enable line tracing for test coverage support
linetrace = os.environ.get("CYTHON_TRACE") == "1"
self.distribution.ext_modules[:] = cythonize(
self.distribution.ext_modules,
force=linetrace or self.force,
annotate=os.environ.get("CYTHON_ANNOTATE") == "1",
quiet=not self.verbose,
compiler_directives={
"linetrace": linetrace,
"language_level": 3,
"embedsignature": True,
},
include_path=["src"],
)
else:
log.warn(
"%s not installed; using pre-generated *.c sources" % required_cython
)
for ext in self.distribution.ext_modules:
ext.sources = [re.sub(r"\.pyx$", ".c", n) for n in ext.sources]
_build_ext.finalize_options(self)
class cython_sdist(_sdist):
"""Run 'cythonize' on *.pyx sources to ensure the *.c files included
in the source distribution are up-to-date.
"""
def run(self):
if not with_cython:
from distutils.errors import DistutilsSetupError
raise DistutilsSetupError(
"Cython >= %s is required to make sdist" % cython_min_version
)
from Cython.Build import cythonize
cythonize(
self.distribution.ext_modules,
force=True,
quiet=not self.verbose,
compiler_directives={"language_level": 3, "embedsignature": True},
include_path=["src"],
)
_sdist.run(self)
# need to include this for Visual Studio 2008 doesn't have stdint.h
include_dirs = (
[os.path.join(os.path.dirname(__file__), "vendor", "msinttypes")]
if os.name == "nt" and sys.version_info < (3,)
else []
)
cython_modules = ["parser", "util", "writer", "_test"]
extensions = [
Extension(
"openstep_plist." + mod,
sources=["src/openstep_plist/%s.pyx" % mod],
include_dirs=include_dirs,
language="c++",
extra_compile_args=["-std=c++11"] if sys.platform != "win32" else [],
)
for mod in cython_modules
]
with open("README.md", "r") as f:
long_description = f.read()
version_file = os.path.join("src", "openstep_plist", "_version.py")
setup_args = dict(
name="openstep_plist",
use_scm_version={"write_to": version_file},
description="ASCII plist parser written in Cython",
author="Cosimo Lupo",
author_email="cosimo@anthrotype.com",
url="https://github.com/fonttools/openstep-plist",
license="MIT",
long_description=long_description,
long_description_content_type="text/markdown",
package_dir={"": "src"},
packages=find_packages("src"),
include_package_data=True,
exclude_package_data={"": ["*.cpp"]},
ext_modules=extensions,
setup_requires=["setuptools_scm"] + wheel,
python_requires=">=3.8",
cmdclass={"build_ext": cython_build_ext, "sdist": cython_sdist},
zip_safe=False,
)
if __name__ == "__main__":
setup(**setup_args)
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