msgpack-python/setup.py
2023-09-28 15:25:10 +09:00

77 lines
1.7 KiB
Python

#!/usr/bin/env python
import os
import sys
from setuptools import setup, Extension
from setuptools.command.build_ext import build_ext
from setuptools.command.sdist import sdist
PYPY = hasattr(sys, "pypy_version_info")
class NoCython(Exception):
pass
try:
import Cython.Compiler.Main as cython_compiler
have_cython = True
except ImportError:
have_cython = False
def cythonize(src):
if not have_cython:
raise Exception("Cython is required for building from checkout")
sys.stderr.write(f"cythonize: {src!r}\n")
cython_compiler.compile([src], cplus=True)
def ensure_source(src):
pyx = os.path.splitext(src)[0] + ".pyx"
if not os.path.exists(src) or have_cython and os.stat(src).st_mtime < os.stat(pyx).st_mtime:
cythonize(pyx)
class BuildExt(build_ext):
def build_extension(self, ext):
for src in ext.sources:
ensure_source(src)
return build_ext.build_extension(self, ext)
# Cython is required for sdist
class Sdist(sdist):
def __init__(self, *args, **kwargs):
cythonize("msgpack/_cmsgpack.pyx")
sdist.__init__(self, *args, **kwargs)
libraries = []
macros = []
if sys.platform == "win32":
libraries.append("ws2_32")
macros = [("__LITTLE_ENDIAN__", "1")]
ext_modules = []
if not PYPY and not os.environ.get("MSGPACK_PUREPYTHON"):
ext_modules.append(
Extension(
"msgpack._cmsgpack",
sources=["msgpack/_cmsgpack.cpp"],
libraries=libraries,
include_dirs=["."],
define_macros=macros,
)
)
del libraries, macros
setup(
cmdclass={"build_ext": BuildExt, "sdist": Sdist},
ext_modules=ext_modules,
packages=["msgpack"],
)