photostats is a program to generate statistics from a directory of photos. It will recursively search lower directories. It will generate graphs of the data. For example:
After installing with pip install photostats, you can get a feel for all the commands by typing python -m photostats -h
usage: python -m photostats [-h] [-p PATH] [-g GRAPHPATH]
PATH is the Path to recursively search for photos
GRAPHPATH is the Path to save graphs generated by this program
Further documentation at https://photo-stats.readthedocs.io/en/latest/?badge=latest