Distribute python modules/packages as binary files (compilation based on Cython)
Project description
The setuptools-cythonize provides distutils classes to compile Python source code into C code using Cython. The generated code is packaged into a platform dependent archive.
Install
$> pip install setuptools-cythonize
Setup configuration
Add the cmdclass keyword to the setup:
from setuptools import setup
from setuptools_cythonize import get_cmdclass
setup(
cmdclass=get_cmdclass(),
name="my_package",
version="2.0.5",
description="My custom library",
...
)
Some packages can be excluded from the cythonization by setting the exclude_cythonize option. The module names matching is done using the function fnmatch.fnmatchcase .
from setuptools import setup
from setuptools_cythonize import get_cmdclass
setup(
cmdclass=get_cmdclass(),
name="my_package",
...
options={
'build_py':
{'exclude_cythonize': ['my_package.subpack*']}
},
...
)
The Cython compiler options can also be customized before running the setup:
from setuptools import setup
from Cython.Compiler import Options
Options.docstrings = False
setup(
...
)
To speedup files compilation, the cythonization can be performed in parallel by setting the parallel option. The number of CPUs availbale can be retrived using the multiprocessing module. For instance:
import multiprocessing
from setuptools import setup
from setuptools_cythonize import get_cmdclass
setup(
cmdclass=get_cmdclass(),
name="my_package",
...
options={
'build_ext':
{'parallel': multiprocessing.cpu_count()}
},
...
)
Packaging
Generate your package by executing the setup.py file, all Python modules (except the ones defined in exclude_cythonize) will be compiled and packaged:
$> python setup.py bdist --cythonize
A source package can still be generated by removing the --cythonize option:
$> python setup.py bdist
Project details
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