Inky Impression Weather

This script reads weather data from Home Assistant and renders a two-panel weather view for an Inky Impression e-paper display.

The development workflow is preview-first: render a local PNG on laptop, inspect it, then deploy the same code to the Raspberry Pi Zero that is connected to the display.

Development

Enter the Nix development shell on laptop:

nix develop

Create a local parameters.py from parameters.example.py and fill in the Home Assistant URL, entity URLs, and token. parameters.py is ignored by Git and must not be committed.

Render a preview without importing or touching Inky hardware:

python update-weather.py --output preview.png --no-display

Raspberry Pi Runtime

The Pi Zero needs the Pimoroni Inky libraries installed and a Pi-local parameters.py:

curl https://get.pimoroni.com/inky | bash

Run a manual update on the Pi:

python3 update-weather.py --display

Deployment

Deploy from laptop to the Pi Zero:

rsync -az --delete \
  --exclude .git \
  --exclude __pycache__ \
  --exclude preview.png \
  --exclude parameters.py \
  ./ llego@rpizero.home:/home/llego/inky-impression-weather/

See deploy/README.md for the user-level systemd service and timer setup.