Waitress WSGI server
Waitress is meant to be a production-quality pure-Python WSGI server with very acceptable performance. It has no dependencies except ones which live in the Python standard library. It runs on CPython on Unix and Windows under Python 2.6+ and Python 3.2+. It is also known to run on PyPy 1.6.0+ on UNIX. It supports HTTP/1.0 and HTTP/1.1.
For more information, see the “docs” directory of the Waitress package or http://docs.pylonsproject.org/projects/waitress/en/latest/ .
- Python 2.6 is no longer supported.
Waitress is now able to listen on multiple sockets, including IPv4 and IPv6. Instead of passing in a host/port combination you now provide waitress with a space delineated list, and it will create as many sockets as required. Using the host/port combination is deprecated but will be supported for at least the next 5 minor releases.
from waitress import serve serve(wsgiapp, listen='0.0.0.0:8080 [::]:9090 *:6543')
- Waitress will now drop HTTP headers that contain an underscore in the key when received from a client. This is to stop any possible underscore/dash conflation that may lead to security issues. See https://github.com/Pylons/waitress/pull/80 and https://www.djangoproject.com/weblog/2015/jan/13/security/
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