Jean-Marc Paratte

Hi, thanks for your reply, but my request is about running in or out of Thonny, to take some special actions if Thonny detected, not to check the implementation or...

Yes, you are right for any Python platform, I check `THONNY_USER_DIR` with succces with Win32, MacOS, Linux, RPi platforms. But with Micropython ESP32, that's doesn't work. I currently use this...