mirror of
https://github.com/msgpack/msgpack-python.git
synced 2025-10-19 12:03:15 +00:00
91 lines
2.2 KiB
Python
Executable file
91 lines
2.2 KiB
Python
Executable file
#!/usr/bin/env python
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import os
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import sys
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from setuptools import setup, Extension
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from setuptools.command.build_ext import build_ext
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from setuptools.command.sdist import sdist
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PYPY = hasattr(sys, "pypy_version_info")
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class NoCython(Exception):
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pass
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try:
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import Cython.Compiler.Main as cython_compiler
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have_cython = True
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except ImportError:
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have_cython = False
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def cythonize(src):
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sys.stderr.write(f"cythonize: {src!r}\n")
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cython_compiler.compile([src], cplus=True)
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def ensure_source(src):
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pyx = os.path.splitext(src)[0] + ".pyx"
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if not os.path.exists(src):
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if not have_cython:
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raise NoCython
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cythonize(pyx)
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elif os.path.exists(pyx) and os.stat(src).st_mtime < os.stat(pyx).st_mtime and have_cython:
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cythonize(pyx)
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return src
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class BuildExt(build_ext):
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def build_extension(self, ext):
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try:
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ext.sources = list(map(ensure_source, ext.sources))
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except NoCython:
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print("WARNING")
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print("Cython is required for building extension from checkout.")
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print("Install Cython >= 0.16 or install msgpack from PyPI.")
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print("Falling back to pure Python implementation.")
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return
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try:
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return build_ext.build_extension(self, ext)
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except Exception as e:
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print("WARNING: Failed to compile extension modules.")
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print("msgpack uses fallback pure python implementation.")
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print(e)
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# Cython is required for sdist
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class Sdist(sdist):
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def __init__(self, *args, **kwargs):
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cythonize("msgpack/_cmsgpack.pyx")
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sdist.__init__(self, *args, **kwargs)
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libraries = []
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macros = []
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if sys.platform == "win32":
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libraries.append("ws2_32")
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macros = [("__LITTLE_ENDIAN__", "1")]
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ext_modules = []
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if not PYPY and not os.environ.get("MSGPACK_PUREPYTHON"):
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ext_modules.append(
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Extension(
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"msgpack._cmsgpack",
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sources=["msgpack/_cmsgpack.cpp"],
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libraries=libraries,
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include_dirs=["."],
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define_macros=macros,
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)
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)
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del libraries, macros
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setup(
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cmdclass={"build_ext": BuildExt, "sdist": Sdist},
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ext_modules=ext_modules,
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packages=["msgpack"],
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)
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