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do not fallback on build error (#568)

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Inada Naoki 2023-09-28 15:25:10 +09:00 • committed by GitHub
parent ecf03748c7
commit acd0684392
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1 changed files with 6 additions and 20 deletions
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26
setup.py Executable file → Normal file
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@ -22,6 +22,8 @@ except ImportError:
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)
@ -29,31 +31,15 @@ def cythonize(src):
def ensure_source(src):
pyx = os.path.splitext(src)[0] + ".pyx"
if not os.path.exists(src):
if not have_cython:
raise NoCython
if not os.path.exists(src) or have_cython and os.stat(src).st_mtime < os.stat(pyx).st_mtime:
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)
for src in ext.sources:
ensure_source(src)
return build_ext.build_extension(self, ext)
# Cython is required for sdist