This project shows what Linux users in what groups
In OS Linux there are files - /etc/passwd and /etc/groups, which aren't informateble if you watch these via text editors.
So inventory-of-access tris to help you to get informations about users in Linux and about participants of groups.
Moreover this project can help to synchronize users and groups in clusters. In most cases clusters are based on NFS servers. NFS server requires synchronized UIDs and GIDs on all machines in clusters.
Install some Python modules - pip3 install -r requirements
or python3 -m pip install -r requirements
If you don't have pip3 then you may install it how described here