/
inlinekeyboardbutton.py
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/
inlinekeyboardbutton.py
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#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2022
# 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 InlineKeyboardButton."""
from typing import TYPE_CHECKING, ClassVar, Optional, Union
from telegram import constants
from telegram._games.callbackgame import CallbackGame
from telegram._loginurl import LoginUrl
from telegram._telegramobject import TelegramObject
from telegram._utils.types import JSONDict
from telegram._webappinfo import WebAppInfo
if TYPE_CHECKING:
from telegram import Bot
class InlineKeyboardButton(TelegramObject):
"""This object represents one button of an inline keyboard.
Objects of this class are comparable in terms of equality. Two objects of this class are
considered equal, if their :attr:`text`, :attr:`url`, :attr:`login_url`, :attr:`callback_data`,
:attr:`switch_inline_query`, :attr:`switch_inline_query_current_chat`, :attr:`callback_game`,
:attr:`web_app` and :attr:`pay` are equal.
Note:
* You must use exactly one of the optional fields. Mind that :attr:`callback_game` is not
working as expected. Putting a game short name in it might, but is not guaranteed to
work.
* If your bot allows for arbitrary callback data, in keyboards returned in a response
from telegram, :attr:`callback_data` maybe be an instance of
:class:`telegram.ext.InvalidCallbackData`. This will be the case, if the data
associated with the button was already deleted.
.. versionadded:: 13.6
* Since Bot API 5.5, it's now allowed to mention users by their ID in inline keyboards.
This will only work in Telegram versions released after December 7, 2021.
Older clients will display *unsupported message*.
Warning:
* If your bot allows your arbitrary callback data, buttons whose callback data is a
non-hashable object will become unhashable. Trying to evaluate ``hash(button)`` will
result in a :class:`TypeError`.
.. versionchanged:: 13.6
* After Bot API 6.1, only ``HTTPS`` links will be allowed in :paramref:`login_url`.
Examples:
* :any:`Inline Keyboard 1 <examples.inlinekeyboard>`
* :any:`Inline Keyboard 2 <examples.inlinekeyboard2>`
.. seealso:: :class:`telegram.InlineKeyboardMarkup`
.. versionchanged:: 20.0
:attr:`web_app` is considered as well when comparing objects of this type in terms of
equality.
Args:
text (:obj:`str`): Label text on the button.
url (:obj:`str`, optional): HTTP or tg:// url to be opened when the button is pressed.
Links ``tg://user?id=<user_id>`` can be used to mention a user by
their ID without using a username, if this is allowed by their privacy settings.
.. versionchanged:: 13.9
You can now mention a user using ``tg://user?id=<user_id>``.
login_url (:class:`telegram.LoginUrl`, optional): An ``HTTPS`` URL used to automatically
authorize the user. Can be used as a replacement for the Telegram Login Widget.
Caution:
Only ``HTTPS`` links are allowed after Bot API 6.1.
callback_data (:obj:`str` | :obj:`object`, optional): Data to be sent in a callback query
to the bot when button is pressed, UTF-8
:tg-const:`telegram.InlineKeyboardButton.MIN_CALLBACK_DATA`-
:tg-const:`telegram.InlineKeyboardButton.MAX_CALLBACK_DATA` bytes.
If the bot instance allows arbitrary callback data, anything can be passed.
Tip:
The value entered here will be available in :attr:`telegram.CallbackQuery.data`.
.. seealso:: :wiki:`Arbitrary callback_data <Arbitrary-callback_data>`
web_app (:obj:`telegram.WebAppInfo`, optional): Description of the `Web App
<https://core.telegram.org/bots/webapps>`_ that will be launched when the user presses
the button. The Web App will be able to send an arbitrary message on behalf of the user
using the method :meth:`~telegram.Bot.answer_web_app_query`. Available only in
private chats between a user and the bot.
.. versionadded:: 20.0
switch_inline_query (:obj:`str`, optional): If set, pressing the button will prompt the
user to select one of their chats, open that chat and insert the bot's username and the
specified inline query in the input field. Can be empty, in which case just the bot's
username will be inserted. This offers an easy way for users to start using your bot
in inline mode when they are currently in a private chat with it. Especially useful
when combined with switch_pm* actions - in this case the user will be automatically
returned to the chat they switched from, skipping the chat selection screen.
switch_inline_query_current_chat (:obj:`str`, optional): If set, pressing the button will
insert the bot's username and the specified inline query in the current chat's input
field. Can be empty, in which case only the bot's username will be inserted. This
offers a quick way for the user to open your bot in inline mode in the same chat - good
for selecting something from multiple options.
callback_game (:class:`telegram.CallbackGame`, optional): Description of the game that will
be launched when the user presses the button. This type of button must always be
the ``first`` button in the first row.
pay (:obj:`bool`, optional): Specify :obj:`True`, to send a Pay button. This type of button
must always be the `first` button in the first row and can only be used in invoice
messages.
Attributes:
text (:obj:`str`): Label text on the button.
url (:obj:`str`): Optional. HTTP or tg:// url to be opened when the button is pressed.
Links ``tg://user?id=<user_id>`` can be used to mention a user by
their ID without using a username, if this is allowed by their privacy settings.
.. versionchanged:: 13.9
You can now mention a user using ``tg://user?id=<user_id>``.
login_url (:class:`telegram.LoginUrl`): Optional. An ``HTTPS`` URL used to automatically
authorize the user. Can be used as a replacement for the Telegram Login Widget.
Caution:
Only ``HTTPS`` links are allowed after Bot API 6.1.
callback_data (:obj:`str` | :obj:`object`): Optional. Data to be sent in a callback query
to the bot when button is pressed, UTF-8
:tg-const:`telegram.InlineKeyboardButton.MIN_CALLBACK_DATA`-
:tg-const:`telegram.InlineKeyboardButton.MAX_CALLBACK_DATA` bytes.
web_app (:obj:`telegram.WebAppInfo`): Optional. Description of the `Web App
<https://core.telegram.org/bots/webapps>`_ that will be launched when the user presses
the button. The Web App will be able to send an arbitrary message on behalf of the user
using the method :meth:`~telegram.Bot.answer_web_app_query`. Available only in
private chats between a user and the bot.
.. versionadded:: 20.0
switch_inline_query (:obj:`str`): Optional. Will prompt the user to select one of their
chats, open that chat and insert the bot's username and the specified inline query in
the input field. Can be empty, in which case just the bot's username will be inserted.
switch_inline_query_current_chat (:obj:`str`): Optional. Will insert the bot's username and
the specified inline query in the current chat's input field. Can be empty, in which
case just the bot's username will be inserted.
callback_game (:class:`telegram.CallbackGame`): Optional. Description of the game that will
be launched when the user presses the button.
pay (:obj:`bool`): Optional. Specify :obj:`True`, to send a Pay button.
"""
__slots__ = (
"callback_game",
"url",
"switch_inline_query_current_chat",
"callback_data",
"pay",
"switch_inline_query",
"text",
"login_url",
"web_app",
)
def __init__(
self,
text: str,
url: str = None,
callback_data: Union[str, object] = None,
switch_inline_query: str = None,
switch_inline_query_current_chat: str = None,
callback_game: CallbackGame = None,
pay: bool = None,
login_url: LoginUrl = None,
web_app: WebAppInfo = None,
*,
api_kwargs: JSONDict = None,
):
super().__init__(api_kwargs=api_kwargs)
# Required
self.text = text
# Optionals
self.url = url
self.login_url = login_url
self.callback_data = callback_data
self.switch_inline_query = switch_inline_query
self.switch_inline_query_current_chat = switch_inline_query_current_chat
self.callback_game = callback_game
self.pay = pay
self.web_app = web_app
self._id_attrs = ()
self._set_id_attrs()
self._freeze()
def _set_id_attrs(self) -> None:
self._id_attrs = (
self.text,
self.url,
self.login_url,
self.callback_data,
self.web_app,
self.switch_inline_query,
self.switch_inline_query_current_chat,
self.callback_game,
self.pay,
)
@classmethod
def de_json(cls, data: Optional[JSONDict], bot: "Bot") -> Optional["InlineKeyboardButton"]:
"""See :meth:`telegram.TelegramObject.de_json`."""
data = cls._parse_data(data)
if not data:
return None
data["login_url"] = LoginUrl.de_json(data.get("login_url"), bot)
data["web_app"] = WebAppInfo.de_json(data.get("web_app"), bot)
data["callback_game"] = CallbackGame.de_json(data.get("callback_game"), bot)
return super().de_json(data=data, bot=bot)
def update_callback_data(self, callback_data: Union[str, object]) -> None:
"""
Sets :attr:`callback_data` to the passed object. Intended to be used by
:class:`telegram.ext.CallbackDataCache`.
.. versionadded:: 13.6
Args:
callback_data (:class:`object`): The new callback data.
"""
with self._unfrozen():
self.callback_data = callback_data
self._set_id_attrs()
MIN_CALLBACK_DATA: ClassVar[int] = constants.InlineKeyboardButtonLimit.MIN_CALLBACK_DATA
""":const:`telegram.constants.InlineKeyboardButtonLimit.MIN_CALLBACK_DATA`
.. versionadded:: 20.0
"""
MAX_CALLBACK_DATA: ClassVar[int] = constants.InlineKeyboardButtonLimit.MAX_CALLBACK_DATA
""":const:`telegram.constants.InlineKeyboardButtonLimit.MAX_CALLBACK_DATA`
.. versionadded:: 20.0
"""