text: 
  def verifyThumbnailSize(thumbnail_width, thumbnail_height, MIN_RESIZE_WIDTH, MIN_RESIZE_HEIGHT, MAX_RESIZE_WIDTH, MAX_RESIZE_HEIGHT):
      ''' Checks whether the requested thumbnail size is within allowed bounds'''
      if thumbnail_width >= MIN_RESIZE_WIDTH and thumbnail_width <= MAX_RESIZE_WIDTH and thumbnail_height >= MIN_RESIZE_HEIGHT and thumbnail_height <= MAX_RESIZE_HEIGHT:
          return True
      else:
          return False 