|build| |status| |pypiv| |pyversions| |wheel| |license|
greenify_ can make Python extension modules having network operations in C code to be compatible with gevent_.
greenify_ uses the Dynamic Function Redirecting technique same as ELF-Hook_ to patch blocking network operations at runtime, without the need modify the original modules.
Currently greenify_ only supports ELF format modules, and is tested on Linux.
greenify module is installed using setuptools or pip::
python setup.py install
or::
pip install greenify
Active greenify_ before initiate environment::
import greenify greenify.greenify()
Make sure the dynamic module(e.g. libmemcached) is patched before using::
assert greenify.patch_lib('/usr/lib/libmemcached.so')
Import and use the corresponding module, which is now gevent_ compatible.
Once activated, the green C functions will, on potentially blocking operation, pass control to gevent's main event loop, which may switch to other ready greenlet which is also in one of the green functions. So, make sure your C code can handle this kind of execution pause and resume. A thread safe program usually is ready for greenify, but remember that all the switches happen in a single thread.
greenify_ is written and maintained by douban_ and is licensed under New BSD license.
.. _gevent: http://www.gevent.org .. _greenify: https://github.com/douban/greenify .. _douban: http://www.douban.com .. _ELF-Hook: https://github.com/shoumikhin/ELF-Hook
.. |build| image:: https://github.com/douban/greenify/actions/workflows/test.yml/badge.svg :target: https://github.com/douban/greenify/actions/workflows/test.yml
.. |pypiv| image:: https://img.shields.io/pypi/v/greenify :target: https://pypi.org/project/greenify/
.. |status| image:: https://img.shields.io/pypi/status/greenify .. |pyversions| image:: https://img.shields.io/pypi/pyversions/greenify .. |wheel| image:: https://img.shields.io/pypi/wheel/greenify .. |license| image:: https://img.shields.io/pypi/l/greenify?color=blue
FAQs
Make C module compatible with gevent at runtime.
We found that greenify demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 4 open source maintainers collaborating on the project.
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