Watchdog for a file using Django

I Have button on browser to upload a fastqc file, before uploading the watchdog must be stared for a particular file, after uploading, the watchdog must report the changes in the time, date and if any changes in the file content. And Execute button on the browser must run the uploaded file using DJango and must be save to some directory or it can be diaplayed on the browser. If any body know how to connect wactchdog with Django. Please help me. Thank you