Python-rdma is an open source project created by Obsidian to provide an interface to the Linux RDMA stack from the Python language.
Python-rdma is available through git and hosted at GitHub.
Read the full manual here.
View the presentation by Obsidian's Chief Technology Officer, Jason Gunthorpe, made to attendees at the OpenFabrics Alliance workshop held in Monterey, CA (April, 2011) below. The slides are available here.