pysiriproxy is a port of SiriProxy (by @plamoni) from Ruby to Python developed.
For full documentation of pysiriproxy visit this page.
The latest version is 0.0.8 which was released on 04/18/2013.
Please see the documentation for further details, which includes instructions for installing and configuring pysiriproxy.
Are you interested in running pysiriproxy directly on your iPhone?
Follow these instructions. If you have any questions about this process please contact @mattparmett.