Shameless plug for my dulwich-backed project, grit:

https://github.com/rsgalloway/grit

- Python WSGI "Smart HTTP" server - Limited remote object proxying - Stream blob data from remote repositories - Hierarchical repos with top-down inheritance - Check out individual blobs - Python and HTTP+JSON read/write API - Supports a centralized workflow - Command line, Python and web UIs - Git not required