For Tasker, I'd need a phone that is permanently connected to the local network, but it would be a good alternative, yes :-) For the python, script running on cron, it sounds simple indeed, but I'm pretty sure that I'll later want to control my Hue lights, my Somfy controlled shades and so on ;-) So ...

A friend recommended Domoticz but I'd like to know if it is suited for the following use case : - Periodically retrieve events from a shared google calendar - 30 minutes before any event in this calendar, send a PUT request to a local server (turn the heater on) I installed Domoticz on a raspberry ...