Pycassa

pycassa is a client library for Apache Cassandra.

It is a Python client library having following features:
 * Auto-failover for normal or thread-local connections
 * Batch interface
 * Connection pooling
 * Method to map an existing class to a Cassandra column family

Like Apache Cassandra, pycassa is open-source.

Code example
The following code adds the user name with the corresponding password to the column families   and  :