text: #!/usr/bin/env python
  #
  # A library that provides a Python interface to the Telegram Bot API
  # Copyright (C) 2015-2018
  # Leandro Toledo de Souza <devs@python-telegram-bot.org>
  #
  # This program is free software: you can redistribute it and/or modify
  # it under the terms of the GNU Lesser Public License as published by
  # the Free Software Foundation, either version 3 of the License, or
  # (at your option) any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU Lesser Public License for more details.
  #
  # You should have received a copy of the GNU Lesser Public License
  # along with this program.  If not, see [http://www.gnu.org/licenses/].
  """This module contains an object that represents a Telegram VideoNote."""
  
  from telegram import PhotoSize, TelegramObject
  
  
  class VideoNote(TelegramObject):
      """This object represents a video message (available in Telegram apps as of v.4.0).
  
      Attributes:
          file_id (:obj:`str`): Unique identifier for this file.
          length (:obj:`int`): Video width and height as defined by sender.
          duration (:obj:`int`): Duration of the video in seconds as defined by sender.
          thumb (:class:`telegram.PhotoSize`): Optional. Video thumbnail.
          file_size (:obj:`int`): Optional. File size.
          bot (:class:`telegram.Bot`): Optional. The Bot to use for instance methods.
  
      Args:
          file_id (:obj:`str`): Unique identifier for this file.
          length (:obj:`int`): Video width and height as defined by sender.
          duration (:obj:`int`): Duration of the video in seconds as defined by sender.
          thumb (:class:`telegram.PhotoSize`, optional): Video thumbnail.
          file_size (:obj:`int`, optional): File size.
          bot (:class:`telegram.Bot`, optional): The Bot to use for instance methods.
          **kwargs (:obj:`dict`): Arbitrary keyword arguments.
  
      """
  
      def __init__(self, file_id, length, duration, thumb=None, file_size=None, bot=None, **kwargs):
          # Required
          self.file_id = str(file_id)
          self.length = int(length)
          self.duration = int(duration)
          # Optionals
          self.thumb = thumb
          self.file_size = file_size
          self.bot = bot
  
          self._id_attrs = (self.file_id,)
  
      @classmethod
      def de_json(cls, data, bot):
          if not data:
              return None
  
          data = super(VideoNote, cls).de_json(data, bot)
  
          data['thumb'] = PhotoSize.de_json(data.get('thumb'), bot)
  
          return cls(bot=bot, **data)
  
      def get_file(self, timeout=None, **kwargs):
          """Convenience wrapper over :attr:`telegram.Bot.get_file`
  
          Args:
              timeout (:obj:`int` | :obj:`float`, optional): If this value is specified, use it as
                  the read timeout from the server (instead of the one specified during creation of
                  the connection pool).
              **kwargs (:obj:`dict`): Arbitrary keyword arguments.
  
          Returns:
              :class:`telegram.File`
  
          Raises:
              :class:`telegram.TelegramError`
  
          """
          return self.bot.get_file(self.file_id, timeout=timeout, **kwargs)
  