The KISSmetrics Python SDK by KISSmetrics officially interacts with the API to access analytics data. It provides setup and example calls that present parameters and returns. Documentation is available at http://py-kissmetrics.readthedocs.org/en/v1.0.0/
Google has just announced that over 40 new metrics and dimensions have been added to the Google Analytics API. The new data points can be queried using the Core Reporting API and allow developers to create reports similar to those found in the Google Analytics Web interface.