text: #!/usr/bin/env python
  #
  # A library that provides a Python interface to the Telegram Bot API
  # Copyright (C) 2015-2017
  # 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 Invoice."""
  
  from telegram import TelegramObject
  
  
  class Invoice(TelegramObject):
      """This object contains basic information about an invoice.
  
      Attributes:
          title (:obj:`str`): Product name.
          description (:obj:`str`): Product description.
          start_parameter (:obj:`str`): Unique bot deep-linking parameter.
          currency (:obj:`str`): Three-letter ISO 4217 currency code.
          total_amount (:obj:`int`): Total price in the smallest units of the currency.
  
      Args:
          title (:obj:`str`): Product name.
          description (:obj:`str`): Product description.
          start_parameter (:obj:`str`): Unique bot deep-linking parameter that can be used to
              generate this invoice.
          currency (:obj:`str`): Three-letter ISO 4217 currency code.
          total_amount (:obj:`int`): Total price in the smallest units of the currency (integer, not
              float/double). For example, for a price of US$ 1.45 pass amount = 145.
          **kwargs (:obj:`dict`): Arbitrary keyword arguments.
  
      """
  
      def __init__(self, title, description, start_parameter, currency, total_amount, **kwargs):
          self.title = title
          self.description = description
          self.start_parameter = start_parameter
          self.currency = currency
          self.total_amount = total_amount
  
      @classmethod
      def de_json(cls, data, bot):
          if not data:
              return None
  
          return cls(**data)
  