polib

polib is a pure Python library designed to manipulate gettext files, specifically .po (Portable Object) and .mo (Machine Object) files. It enables loading, creating, modifying, and saving these translation files. The library is stable, widely used, and supports Python versions from 2.7 to the latest 3.x. Its release cadence is irregular but indicates active maintenance, with version 1.2.0 released in February 2023.