[Feature request] Add option to have print time / print time left in seconds

[brantje]

Hi! Is it possible to get the total amount of seconds instead of hh:mm:ss? Both octoprint_print_time and octoprint_print_time_left give hh:mm:ss which is a pain to parse.

[cmroche]

If you check octoprint/progress/printing section at https://github.com/OctoPrint/OctoPrint-MQTT progress is only reported in seconds. If you are seeing "hh:mm:ss" then I believe you are using the HomeAssistant-Discovery plugin.

If you are using the HomeAssistant plugin, then you can look at the attributes for the sensor to access the time in seconds: