Configuration By Environment Python Packages

hierarchical-conf

A tool for loading settings from files hierarchically

python-envcfg

For 12-factor apps - retrieve config from envvars.

12factor-configclasses

Like dataclasses but for config.

flask-environment

A configuration library for Flask with support for TOML

envprobe

Overlaying pluggable environment setter: modules reimagined + toggleable direnv on the shell, rather than the directory level.