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Co-authored-by: Harshil <37377066+harshil21@users.noreply.github.com> Co-authored-by: Simon Fong <44134941+simonfongnt@users.noreply.github.com> Co-authored-by: Piotr Rogulski <rivinek@gmail.com> Co-authored-by: poolitzer <25934244+Poolitzer@users.noreply.github.com> Co-authored-by: Or Bin <or@raftt.io> Co-authored-by: Sandro <j32g7f67hb@liamekaens.com> Co-authored-by: Hatim Zahid <63000127+HatimZ@users.noreply.github.com> Co-authored-by: Robi <53259730+RobiMez@users.noreply.github.com> Co-authored-by: Dmitry Kolomatskiy <58207913+lemontree210@users.noreply.github.com>
71 lines
2.8 KiB
Python
71 lines
2.8 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 the PreCheckoutQueryHandler class."""
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from telegram import Update
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from telegram.ext._handler import BaseHandler
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from telegram.ext._utils.types import CCT
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class PreCheckoutQueryHandler(BaseHandler[Update, CCT]):
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"""BaseHandler class to handle Telegram :attr:`telegram.Update.pre_checkout_query`.
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Warning:
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When setting :paramref:`block` to :obj:`False`, you cannot rely on adding custom
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attributes to :class:`telegram.ext.CallbackContext`. See its docs for more info.
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Examples:
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:any:`Payment Bot <examples.paymentbot>`
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Args:
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callback (:term:`coroutine function`): The callback function for this handler. Will be
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called when :meth:`check_update` has determined that an update should be processed by
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this handler. Callback signature::
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async def callback(update: Update, context: CallbackContext)
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The return value of the callback is usually ignored except for the special case of
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:class:`telegram.ext.ConversationHandler`.
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block (:obj:`bool`, optional): Determines whether the return value of the callback should
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be awaited before processing the next handler in
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:meth:`telegram.ext.Application.process_update`. Defaults to :obj:`True`.
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.. seealso:: `Concurrency <https://github.com/\
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python-telegram-bot/python-telegram-bot/wiki/Concurrency>`_
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Attributes:
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callback (:term:`coroutine function`): The callback function for this handler.
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block (:obj:`bool`): Determines whether the callback will run in a blocking way..
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"""
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__slots__ = ()
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def check_update(self, update: object) -> bool:
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"""Determines whether an update should be passed to this handler's :attr:`callback`.
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Args:
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update (:class:`telegram.Update` | :obj:`object`): Incoming update.
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Returns:
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:obj:`bool`
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"""
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return isinstance(update, Update) and bool(update.pre_checkout_query)
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