A Python client driver for Apache Cassandra. This driver works exclusively with the Cassandra Query Language v3 (CQL3) and Cassandra's native protocol. As such, only Cassandra 1.2+ is supported.
Warning
This driver is currently under heavy development, so the API and layout of packages, modules, classes, and functions are subject to change. There may also be serious bugs, so usage in a production environment is not recommended at this time.
- JIRA
- Mailing List
- IRC: #datastax-drivers on irc.freenode.net (you can use freenode's web-based client)
- API Documentation
- C extension for encoding/decoding messages
- Authentication/security feature support
- Twisted, gevent support
- Python 3 support
- IPv6 Support
A package hasn't been put on pypi yet, so for now, run:
$ sudo pip install futures # install dependency $ sudo python setup.py install
The driver currently uses Python's asyncore module for its default
event loop. For better performance, libev is also supported through
a C extension.
If you're on Linux, you should be able to install libev through a package manager. For example, on Debian/Ubuntu:
$ sudo apt-get install libev4 libev-dev
If you're on Mac OS X, you should be able to install libev through Homebrew. For example, on Mac OS X:
$ brew install libev
If successful, you should be able to use the libev event loop by doing the following
>>> from cassandra.io.libevreactor import LibevConnection >>> from cassandra.cluster import Cluster >>> cluster = Cluster() >>> cluster.connection_class = LibevConnection >>> session = cluster.connect()
Copyright 2013, DataStax
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.