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#!/usr/bin/env python
# coding: utf-8
import io
import os
import sys
from glob import glob
from distutils.command.sdist import sdist
from setuptools import setup, Extension
from distutils.command.build_ext import build_ext
PYPY = hasattr(sys, "pypy_version_info")
PY2 = sys.version_info[0] == 2
class NoCython(Exception):
pass
try:
import Cython.Compiler.Main as cython_compiler
have_cython = True
except ImportError:
have_cython = False
def cythonize(src):
sys.stderr.write("cythonize: %r\n" % (src,))
cython_compiler.compile([src], cplus=True)
def ensure_source(src):
pyx = os.path.splitext(src)[0] + ".pyx"
if not os.path.exists(src):
if not have_cython:
raise NoCython
cythonize(pyx)
elif (
os.path.exists(pyx)
and os.stat(src).st_mtime < os.stat(pyx).st_mtime
and have_cython
):
cythonize(pyx)
return src
class BuildExt(build_ext):
def build_extension(self, ext):
try:
ext.sources = list(map(ensure_source, ext.sources))
except NoCython:
print("WARNING")
print("Cython is required for building extension from checkout.")
print("Install Cython >= 0.16 or install msgpack from PyPI.")
print("Falling back to pure Python implementation.")
return
try:
return build_ext.build_extension(self, ext)
except Exception as e:
print("WARNING: Failed to compile extension modules.")
print("msgpack uses fallback pure python implementation.")
print(e)
exec(open("msgpack/_version.py").read())
version_str = ".".join(str(x) for x in version[:3])
if len(version) > 3 and version[3] != "final":
version_str += version[3]
# Cython is required for sdist
class Sdist(sdist):
def __init__(self, *args, **kwargs):
cythonize("msgpack/_cmsgpack.pyx")
sdist.__init__(self, *args, **kwargs)
libraries = []
if sys.platform == "win32":
libraries.append("ws2_32")
if sys.byteorder == "big":
macros = [("__BIG_ENDIAN__", "1")]
else:
macros = [("__LITTLE_ENDIAN__", "1")]
ext_modules = []
if not PYPY and not PY2 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
desc = "MessagePack (de)serializer."
with io.open("README.md", encoding="utf-8") as f:
long_desc = f.read()
del f
setup(
name="msgpack",
author="Inada Naoki",
author_email="songofacandy@gmail.com",
version=version_str,
cmdclass={"build_ext": BuildExt, "sdist": Sdist},
ext_modules=ext_modules,
packages=["msgpack"],
description=desc,
long_description=long_desc,
long_description_content_type="text/markdown",
url="https://msgpack.org/",
project_urls={
"Documentation": "https://msgpack-python.readthedocs.io/",
"Source": "https://github.com/msgpack/msgpack-python",
"Tracker": "https://github.com/msgpack/msgpack-python/issues",
},
license="Apache 2.0",
classifiers=[
"Programming Language :: Python :: 3",
"Programming Language :: Python :: 3.6",
"Programming Language :: Python :: 3.7",
"Programming Language :: Python :: 3.8",
"Programming Language :: Python :: 3.9",
"Programming Language :: Python :: 3.10",
"Programming Language :: Python :: Implementation :: CPython",
"Programming Language :: Python :: Implementation :: PyPy",
"Intended Audience :: Developers",
"License :: OSI Approved :: Apache Software License",
],
)
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