Backends
The use of custom backends for the git object database (odb) and reference database (refdb) are supported by pygit2.
The OdbBackend class
The OdbBackend class is subclassable and can be used to build a custom object database.
Built-in OdbBackend implementations
The RefdbBackend class
The RefdbBackend class is subclassable and can be used to build a custom reference database.