Internal Program Version: dulwich  0.21.5

Dulwich is a Python implementation of the file formats and protocols 
used by the Git version control system. It can currently read from 
and write to existing Git repositories and implements the protocol 
for pushing and receiving packs from remote servers.

All functionality is available in pure Python, but for improved performance 
replacements of some modules written in C are also available.

https://www.dulwich.io