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Metadata-Version: 2.0
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Name: gevent-websocket
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Version: 0.10.1
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Summary: Websocket handler for the gevent pywsgi server, a Python network library
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Home-page: https://www.gitlab.com/noppo/gevent-websocket
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Author: Jeffrey Gelens
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Author-email: jeffrey@noppo.pro
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License: Copyright 2011-2017 Jeffrey Gelens <jeffrey@noppo.pro>
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Requires-Dist: gevent
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Download-URL: https://www.gitlab.com/noppo/gevent-websocket
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Description: ================
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gevent-websocket
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================
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`gevent-websocket`_ is a WebSocket library for the gevent_ networking library.
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Features include:
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- Integration on both socket level or using an abstract interface.
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- RPC and PubSub framework using `WAMP`_ (WebSocket Application
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Messaging Protocol).
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- Easily extendible using a simple WebSocket protocol plugin API
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::
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from geventwebsocket import WebSocketServer, WebSocketApplication, Resource
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class EchoApplication(WebSocketApplication):
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def on_open(self):
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print "Connection opened"
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def on_message(self, message):
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self.ws.send(message)
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def on_close(self, reason):
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print reason
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WebSocketServer(
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('', 8000),
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Resource({'/': EchoApplication})
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).serve_forever()
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or a low level implementation::
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from gevent import pywsgi
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from geventwebsocket.handler import WebSocketHandler
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def websocket_app(environ, start_response):
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if environ["PATH_INFO"] == '/echo':
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ws = environ["wsgi.websocket"]
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message = ws.receive()
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ws.send(message)
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server = pywsgi.WSGIServer(("", 8000), websocket_app,
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handler_class=WebSocketHandler)
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server.serve_forever()
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More examples can be found in the ``examples`` directory. Hopefully more
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documentation will be available soon.
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Installation
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------------
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The easiest way to install gevent-websocket is directly from PyPi_ using pip or
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setuptools by running the commands below::
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$ pip install gevent-websocket
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Gunicorn Worker
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^^^^^^^^^^^^^^^
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Using Gunicorn it is even more easy to start a server. Only the
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`websocket_app` from the previous example is required to start the server.
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Start Gunicorn using the following command and worker class to enable WebSocket
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funtionality for the application.
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::
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gunicorn -k "geventwebsocket.gunicorn.workers.GeventWebSocketWorker" wsgi:websocket_app
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Performance
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^^^^^^^^^^^
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`gevent-websocket`_ is pretty fast, but can be accelerated further by
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installing `wsaccel <https://github.com/methane/wsaccel>`_ and `ujson` or `simplejson`::
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$ pip install wsaccel ujson
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`gevent-websocket`_ automatically detects ``wsaccell`` and uses the Cython
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implementation for UTF8 validation and later also frame masking and
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demasking.
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Get in touch
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^^^^^^^^^^^^
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Get in touch on IRC #gevent on Freenode or on the Gevent `mailinglist
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<https://groups.google.com/forum/#!forum/gevent>`_. Issues can be created
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on `Bitbucket <https://bitbucket.org/Jeffrey/gevent-websocket/issues?status=new&status=open>`_.
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.. _WAMP: http://www.wamp.ws
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.. _gevent-websocket: http://www.bitbucket.org/Jeffrey/gevent-websocket/
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.. _gevent: http://www.gevent.org/
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.. _Jeffrey Gelens: http://www.gelens.org/
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.. _PyPi: http://pypi.python.org/pypi/gevent-websocket/
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.. _repository: http://www.bitbucket.org/Jeffrey/gevent-websocket/
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.. _RFC6455: http://datatracker.ietf.org/doc/rfc6455/?include_text=1
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Platform: UNKNOWN
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Classifier: Environment :: Web Environment
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Classifier: Intended Audience :: Developers
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Classifier: License :: OSI Approved :: Apache Software License
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Classifier: Operating System :: MacOS :: MacOS X
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Classifier: Operating System :: POSIX
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Classifier: Programming Language :: Python
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Classifier: Programming Language :: Python :: 2
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Classifier: Programming Language :: Python :: 2.7
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Classifier: Programming Language :: Python :: 3
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Classifier: Programming Language :: Python :: 3.5
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Classifier: Topic :: Internet
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Classifier: Topic :: Software Development :: Libraries :: Python Modules
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