Pyosmium is a thin wrapper to the osmium library. Where possible it follows its structure and naming scheme. This reference provides a short description of the exported classes and interfaces. More details and background information can be found in the osmium manual.
osmium- Processing OSM files
osm- Basic Datatypes
io- Data In- and Output
index- Data Stores
geom- Geometry Helper Functions
replication- Handling Updates of OSM Data