you can use package like watchdog to monitor your folder for changes, then using os.path.splitext() or pathlib's PurePath.siffix get the file extension and process the file accordingly
If you can't explain it to a six year old, you don't understand it yourself, Albert Einstein
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs