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https://github.com/python-telegram-bot/python-telegram-bot.git
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292 lines
12 KiB
Python
292 lines
12 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 an object that represents a Telegram ReplyKeyboardMarkup."""
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from typing import ClassVar, List, Sequence, Union
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from telegram import constants
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from telegram._keyboardbutton import KeyboardButton
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from telegram._telegramobject import TelegramObject
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from telegram._utils.markup import check_keyboard_type
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from telegram._utils.types import JSONDict
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class ReplyKeyboardMarkup(TelegramObject):
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"""This object represents a custom keyboard with reply options.
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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 size of :attr:`keyboard` and all the buttons are equal.
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Examples:
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* Example usage: A user requests to change the bot's language, bot replies to the request
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with a keyboard to select the new language. Other users in the group don't see
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the keyboard.
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* :any:`Conversation Bot <examples.conversationbot>`
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* :any:`Conversation Bot 2 <examples.conversationbot2>`
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Args:
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keyboard (Sequence[Sequence[:obj:`str` | :class:`telegram.KeyboardButton`]]): Array of
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button rows, each represented by an Array of :class:`telegram.KeyboardButton` objects.
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resize_keyboard (:obj:`bool`, optional): Requests clients to resize the keyboard vertically
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for optimal fit (e.g., make the keyboard smaller if there are just two rows of
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buttons). Defaults to :obj:`False`, in which case the custom keyboard is always of the
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same height as the app's standard keyboard.
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one_time_keyboard (:obj:`bool`, optional): Requests clients to hide the keyboard as soon as
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it's been used. The keyboard will still be available, but clients will automatically
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display the usual letter-keyboard in the chat - the user can press a special button in
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the input field to see the custom keyboard again. Defaults to :obj:`False`.
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selective (:obj:`bool`, optional): Use this parameter if you want to show the keyboard to
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specific users only. Targets:
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1) Users that are @mentioned in the :attr:`~telegram.Message.text` of the
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:class:`telegram.Message` object.
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2) If the bot's message is a reply (has ``reply_to_message_id``), sender of the
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original message.
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Defaults to :obj:`False`.
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input_field_placeholder (:obj:`str`, optional): The placeholder to be shown in the input
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field when the keyboard is active;
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:tg-const:`telegram.ReplyKeyboardMarkup.MIN_INPUT_FIELD_PLACEHOLDER`-
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:tg-const:`telegram.ReplyKeyboardMarkup.MAX_INPUT_FIELD_PLACEHOLDER`
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characters.
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.. versionadded:: 13.7
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Attributes:
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keyboard (Tuple[Tuple[:class:`telegram.KeyboardButton` | :obj:`str`]]): Array of button
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rows.
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resize_keyboard (:obj:`bool`): Optional. Requests clients to resize the keyboard.
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one_time_keyboard (:obj:`bool`): Optional. Requests clients to hide the keyboard as soon as
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it's been used.
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selective (:obj:`bool`): Optional. Show the keyboard to specific users only.
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input_field_placeholder (:obj:`str`): Optional. The placeholder shown in the input
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field when the reply is active.
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.. versionadded:: 13.7
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"""
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__slots__ = (
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"selective",
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"keyboard",
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"resize_keyboard",
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"one_time_keyboard",
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"input_field_placeholder",
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)
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def __init__(
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self,
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keyboard: Sequence[Sequence[Union[str, KeyboardButton]]],
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resize_keyboard: bool = None,
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one_time_keyboard: bool = None,
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selective: bool = None,
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input_field_placeholder: str = None,
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*,
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api_kwargs: JSONDict = None,
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):
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super().__init__(api_kwargs=api_kwargs)
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if not check_keyboard_type(keyboard):
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raise ValueError(
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"The parameter `keyboard` should be a sequence of sequences of "
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"strings or KeyboardButtons"
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)
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# Required
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self.keyboard = tuple(
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tuple(KeyboardButton(button) if isinstance(button, str) else button for button in row)
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for row in keyboard
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)
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# Optionals
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self.resize_keyboard = resize_keyboard
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self.one_time_keyboard = one_time_keyboard
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self.selective = selective
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self.input_field_placeholder = input_field_placeholder
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self._id_attrs = (self.keyboard,)
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self._freeze()
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@classmethod
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def from_button(
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cls,
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button: Union[KeyboardButton, str],
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resize_keyboard: bool = False,
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one_time_keyboard: bool = False,
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selective: bool = False,
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input_field_placeholder: str = None,
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**kwargs: object,
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) -> "ReplyKeyboardMarkup":
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"""Shortcut for::
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ReplyKeyboardMarkup([[button]], **kwargs)
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Return a ReplyKeyboardMarkup from a single KeyboardButton.
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Args:
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button (:class:`telegram.KeyboardButton` | :obj:`str`): The button to use in
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the markup.
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resize_keyboard (:obj:`bool`, optional): Requests clients to resize the keyboard
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vertically for optimal fit (e.g., make the keyboard smaller if there are just two
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rows of buttons). Defaults to :obj:`False`, in which case the custom keyboard is
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always of the same height as the app's standard keyboard.
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one_time_keyboard (:obj:`bool`, optional): Requests clients to hide the keyboard as
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soon as it's been used. The keyboard will still be available, but clients will
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automatically display the usual letter-keyboard in the chat - the user can press
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a special button in the input field to see the custom keyboard again.
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Defaults to :obj:`False`.
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selective (:obj:`bool`, optional): Use this parameter if you want to show the keyboard
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to specific users only. Targets:
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1) Users that are @mentioned in the text of the Message object.
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2) If the bot's message is a reply (has ``reply_to_message_id``), sender of the
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original message.
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Defaults to :obj:`False`.
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input_field_placeholder (:obj:`str`): Optional. The placeholder shown in the input
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field when the reply is active.
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.. versionadded:: 13.7
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"""
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return cls(
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[[button]],
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resize_keyboard=resize_keyboard,
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one_time_keyboard=one_time_keyboard,
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selective=selective,
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input_field_placeholder=input_field_placeholder,
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**kwargs, # type: ignore[arg-type]
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)
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@classmethod
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def from_row(
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cls,
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button_row: List[Union[str, KeyboardButton]],
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resize_keyboard: bool = False,
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one_time_keyboard: bool = False,
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selective: bool = False,
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input_field_placeholder: str = None,
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**kwargs: object,
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) -> "ReplyKeyboardMarkup":
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"""Shortcut for::
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ReplyKeyboardMarkup([button_row], **kwargs)
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Return a ReplyKeyboardMarkup from a single row of KeyboardButtons.
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Args:
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button_row (List[:class:`telegram.KeyboardButton` | :obj:`str`]): The button to use in
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the markup.
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resize_keyboard (:obj:`bool`, optional): Requests clients to resize the keyboard
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vertically for optimal fit (e.g., make the keyboard smaller if there are just two
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rows of buttons). Defaults to :obj:`False`, in which case the custom keyboard is
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always of the same height as the app's standard keyboard.
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one_time_keyboard (:obj:`bool`, optional): Requests clients to hide the keyboard as
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soon as it's been used. The keyboard will still be available, but clients will
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automatically display the usual letter-keyboard in the chat - the user can press
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a special button in the input field to see the custom keyboard again.
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Defaults to :obj:`False`.
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selective (:obj:`bool`, optional): Use this parameter if you want to show the keyboard
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to specific users only. Targets:
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1) Users that are @mentioned in the text of the Message object.
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2) If the bot's message is a reply (has ``reply_to_message_id``), sender of the
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original message.
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Defaults to :obj:`False`.
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input_field_placeholder (:obj:`str`): Optional. The placeholder shown in the input
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field when the reply is active.
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.. versionadded:: 13.7
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"""
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return cls(
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[button_row],
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resize_keyboard=resize_keyboard,
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one_time_keyboard=one_time_keyboard,
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selective=selective,
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input_field_placeholder=input_field_placeholder,
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**kwargs, # type: ignore[arg-type]
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)
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@classmethod
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def from_column(
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cls,
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button_column: List[Union[str, KeyboardButton]],
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resize_keyboard: bool = False,
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one_time_keyboard: bool = False,
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selective: bool = False,
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input_field_placeholder: str = None,
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**kwargs: object,
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) -> "ReplyKeyboardMarkup":
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"""Shortcut for::
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ReplyKeyboardMarkup([[button] for button in button_column], **kwargs)
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Return a ReplyKeyboardMarkup from a single column of KeyboardButtons.
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Args:
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button_column (List[:class:`telegram.KeyboardButton` | :obj:`str`]): The button to use
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in the markup.
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resize_keyboard (:obj:`bool`, optional): Requests clients to resize the keyboard
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vertically for optimal fit (e.g., make the keyboard smaller if there are just two
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rows of buttons). Defaults to :obj:`False`, in which case the custom keyboard is
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always of the same height as the app's standard keyboard.
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one_time_keyboard (:obj:`bool`, optional): Requests clients to hide the keyboard as
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soon as it's been used. The keyboard will still be available, but clients will
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automatically display the usual letter-keyboard in the chat - the user can press
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a special button in the input field to see the custom keyboard again.
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Defaults to :obj:`False`.
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selective (:obj:`bool`, optional): Use this parameter if you want to show the keyboard
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to specific users only. Targets:
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1) Users that are @mentioned in the text of the Message object.
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2) If the bot's message is a reply (has ``reply_to_message_id``), sender of the
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original message.
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Defaults to :obj:`False`.
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input_field_placeholder (:obj:`str`): Optional. The placeholder shown in the input
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field when the reply is active.
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.. versionadded:: 13.7
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"""
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button_grid = [[button] for button in button_column]
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return cls(
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button_grid,
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resize_keyboard=resize_keyboard,
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one_time_keyboard=one_time_keyboard,
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selective=selective,
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input_field_placeholder=input_field_placeholder,
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**kwargs, # type: ignore[arg-type]
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)
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MIN_INPUT_FIELD_PLACEHOLDER: ClassVar[int] = constants.ReplyLimit.MIN_INPUT_FIELD_PLACEHOLDER
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""":const:`telegram.constants.ReplyLimit.MIN_INPUT_FIELD_PLACEHOLDER`
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.. versionadded:: 20.0
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"""
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MAX_INPUT_FIELD_PLACEHOLDER: ClassVar[int] = constants.ReplyLimit.MAX_INPUT_FIELD_PLACEHOLDER
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""":const:`telegram.constants.ReplyLimit.MAX_INPUT_FIELD_PLACEHOLDER`
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.. versionadded:: 20.0
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"""
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