python - Monitoring if a file stopped being copied with watchdog -


i'm uploading large files (multiple gb) on webdav server , see if files still being copied (preferably check if file size still increasing) or if went wrong , upload interrupted.

at moment i'm using following code based on quick start example in watchdog package: 

import sys import time import logging watchdog.observers import observer watchdog.events import filesystemeventhandler  class myhandler(filesystemeventhandler):     def on_created(self, event):         print("started")     def on_modified(self, event):         print("finished")  if __name__ == "__main__":     path = '.'     event_handler = myhandler()     observer = observer()     observer.schedule(event_handler, path, recursive=true)     observer.start()     try:         while true:             time.sleep(1)     except keyboardinterrupt:         observer.stop()     observer.join()

but gives me output when file created on server , when it's finished uploading. also, when interrupt upload midway not tell me file finished uploading, says created. how check if file actively being uploaded , raise error when interrupted? can done watchdog or should use polling instead?


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