How can I implement some sort of alarm clock functionality for a Python program running on raspbmc?

Question

I'm turning my raspberry pi running on raspbmc (based on Debian) into an alarm clock that turns my tv on, displays the weather and plays a predifined song at, you guessed it, a specific time. I currently have most of the functionality implemented with Python e.g.: storing the path to a file for the song and filling in the wake-up time via a simple web interface.

I'm wondering what the best way (least intensive) is to run the wake-up routine at a specific time entered by me and, of course, change it when a new time is entered.

Hope you guys can help me out. Thanks!

Answer 1

Just set up a cron task and set up a python script to perform the actions you need when triggered by cron.

Try:

% crontab -e

add a line:

10 7 * * 1-5 /path/to/your/script

Save & exit.

This should run your script at 7:10 Monday-Friday