This a custom component for Home Assistant.
The ipx800v5 integration allows you to get information and control the IPX800 v5 and its extensions.
HACS > Integrations > Explore & Add Repositories > GCE IPX800 V5 > Install this repository
Copy custom_components/ipx800v5 in config/custom_components of your Home Assistant (you must have *.py files in config/custom_components/ipx800v5).
Add the integration GCE IPX800V5 in the interface on Configuration > Integration. Follow the instructions.
Add the ipx800v5 key and your full configuration in configuration.yaml.
See the for details
pypx800v5 python package (installed by Home-Assistant itself, nothing to do here)