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https://github.com/python-telegram-bot/python-telegram-bot.git
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182 lines
6.5 KiB
Python
182 lines
6.5 KiB
Python
#!/usr/bin/env python
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#
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# A library that provides a Python interface to the Telegram Bot API
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# Copyright (C) 2015-2022
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# Leandro Toledo de Souza <devs@python-telegram-bot.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser Public License for more details.
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#
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# You should have received a copy of the GNU Lesser Public License
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# along with this program. If not, see [http://www.gnu.org/licenses/].
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"""This module contains objects related to Telegram menu buttons."""
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from typing import TYPE_CHECKING, ClassVar, Dict, Optional, Type
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from telegram import constants
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from telegram._telegramobject import TelegramObject
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from telegram._utils.types import JSONDict
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from telegram._webappinfo import WebAppInfo
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if TYPE_CHECKING:
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from telegram import Bot
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class MenuButton(TelegramObject):
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"""This object describes the bot's menu button in a private chat. It should be one of
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* :class:`telegram.MenuButtonCommands`
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* :class:`telegram.MenuButtonWebApp`
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* :class:`telegram.MenuButtonDefault`
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If a menu button other than :class:`telegram.MenuButtonDefault` is set for a private chat,
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then it is applied in the chat. Otherwise the default menu button is applied. By default, the
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menu button opens the list of bot commands.
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Objects of this class are comparable in terms of equality. Two objects of this class are
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considered equal, if their :attr:`type` is equal. For subclasses with additional attributes,
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the notion of equality is overridden.
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.. versionadded:: 20.0
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Args:
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type (:obj:`str`): Type of menu button that the instance represents.
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Attributes:
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type (:obj:`str`): Type of menu button that the instance represents.
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"""
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__slots__ = ("type",)
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def __init__(
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self, type: str, *, api_kwargs: JSONDict = None # skipcq: PYL-W0622
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): # pylint: disable=redefined-builtin
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super().__init__(api_kwargs=api_kwargs)
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self.type = type
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self._id_attrs = (self.type,)
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@classmethod
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def de_json(cls, data: Optional[JSONDict], bot: "Bot") -> Optional["MenuButton"]:
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"""Converts JSON data to the appropriate :class:`MenuButton` object, i.e. takes
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care of selecting the correct subclass.
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Args:
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data (Dict[:obj:`str`, ...]): The JSON data.
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bot (:class:`telegram.Bot`): The bot associated with this object.
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Returns:
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The Telegram object.
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"""
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data = cls._parse_data(data)
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if data is None:
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return None
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if not data and cls is MenuButton:
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return None
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_class_mapping: Dict[str, Type["MenuButton"]] = {
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cls.COMMANDS: MenuButtonCommands,
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cls.WEB_APP: MenuButtonWebApp,
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cls.DEFAULT: MenuButtonDefault,
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}
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if cls is MenuButton and data.get("type") in _class_mapping:
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return _class_mapping[data.pop("type")].de_json(data, bot=bot)
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out = super().de_json(data=data, bot=bot)
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return out
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COMMANDS: ClassVar[str] = constants.MenuButtonType.COMMANDS
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""":const:`telegram.constants.MenuButtonType.COMMANDS`"""
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WEB_APP: ClassVar[str] = constants.MenuButtonType.WEB_APP
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""":const:`telegram.constants.MenuButtonType.WEB_APP`"""
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DEFAULT: ClassVar[str] = constants.MenuButtonType.DEFAULT
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""":const:`telegram.constants.MenuButtonType.DEFAULT`"""
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class MenuButtonCommands(MenuButton):
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"""Represents a menu button, which opens the bot's list of commands.
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.. versionadded:: 20.0
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Attributes:
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type (:obj:`str`): :tg-const:`telegram.constants.MenuButtonType.COMMANDS`.
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"""
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__slots__ = ()
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def __init__(self, *, api_kwargs: JSONDict = None):
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super().__init__(type=constants.MenuButtonType.COMMANDS, api_kwargs=api_kwargs)
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class MenuButtonWebApp(MenuButton):
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"""Represents a menu button, which launches a
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`Web App <https://core.telegram.org/bots/webapps>`_.
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Objects of this class are comparable in terms of equality. Two objects of this class are
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considered equal, if their :attr:`type`, :attr:`text` and :attr:`web_app`
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are equal.
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.. versionadded:: 20.0
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Args:
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text (:obj:`str`): Text of the button.
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web_app (:class:`telegram.WebAppInfo`): Description of the Web App that will be launched
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when the user presses the button. The Web App will be able to send an arbitrary
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message on behalf of the user using the method :meth:`~telegram.Bot.answerWebAppQuery`.
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Attributes:
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type (:obj:`str`): :tg-const:`telegram.constants.MenuButtonType.WEB_APP`.
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text (:obj:`str`): Text of the button.
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web_app (:class:`telegram.WebAppInfo`): Description of the Web App that will be launched
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when the user presses the button. The Web App will be able to send an arbitrary
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message on behalf of the user using the method :meth:`~telegram.Bot.answerWebAppQuery`.
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"""
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__slots__ = ("text", "web_app")
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def __init__(self, text: str, web_app: WebAppInfo, *, api_kwargs: JSONDict = None):
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super().__init__(type=constants.MenuButtonType.WEB_APP, api_kwargs=api_kwargs)
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self.text = text
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self.web_app = web_app
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self._id_attrs = (self.type, self.text, self.web_app)
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@classmethod
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def de_json(cls, data: Optional[JSONDict], bot: "Bot") -> Optional["MenuButtonWebApp"]:
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"""See :meth:`telegram.TelegramObject.de_json`."""
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data = cls._parse_data(data)
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if not data:
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return None
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data["web_app"] = WebAppInfo.de_json(data.get("web_app"), bot)
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return super().de_json(data=data, bot=bot) # type: ignore[return-value]
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def to_dict(self) -> JSONDict:
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"""See :meth:`telegram.TelegramObject.to_dict`."""
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data = super().to_dict()
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data["web_app"] = self.web_app.to_dict()
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return data
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class MenuButtonDefault(MenuButton):
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"""Describes that no specific value for the menu button was set.
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.. versionadded:: 20.0
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Attributes:
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type (:obj:`str`): :tg-const:`telegram.constants.MenuButtonType.DEFAULT`.
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"""
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__slots__ = ()
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def __init__(self, *, api_kwargs: JSONDict = None):
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super().__init__(type=constants.MenuButtonType.DEFAULT, api_kwargs=api_kwargs)
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