Resumable MediaFileUpload

upload.py

# You need to define three functions to handle persistence of couple of values:
# load_resume_point() -> Optional[Tuple[str, int]]
# save_resume_point(str, int) -> None
# clean_resume_point() -> None

media = MediaFileUpload('pig.png', mimetype='image/png', resumable=True)
request = farm.animals().insert(media_body=media, body={'name': 'Pig'})

# if you have previously acquired resume point
rp = load_resume_point()
if rp is not None:
  request.resumable_uri, request.resumable_progress = rp

response = None
while response is None:
  status, response = request.next_chunk()
  
  # store your progress after every chunk
  save_resume_point(request.resumable_uri, request.resumable_progress)
  # now you can even kill the uploading process without loss of progress

  if status:
    print "Uploaded %d%%." % int(status.progress() * 100)
print "Upload Complete!"

# after completion cleanup persistent data
clean_resume_point()