2017-05-22 13:20:26 +02:00
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#!/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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2024-02-19 20:06:25 +01:00
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# Copyright (C) 2015-2024
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2017-05-22 13:20:26 +02:00
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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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2017-09-01 08:43:08 +02:00
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"""This module contains the PreCheckoutQueryHandler class."""
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2021-01-30 11:38:54 +01:00
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2017-05-22 13:20:26 +02:00
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2024-01-02 18:35:38 +01:00
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import re
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from typing import Optional, Pattern, TypeVar, Union
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2017-05-22 13:20:26 +02:00
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from telegram import Update
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2024-01-02 18:35:38 +01:00
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from telegram._utils.defaultvalue import DEFAULT_TRUE
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from telegram._utils.types import DVType
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2024-01-15 20:15:33 +01:00
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from telegram.ext._handlers.basehandler import BaseHandler
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2024-01-02 18:35:38 +01:00
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from telegram.ext._utils.types import CCT, HandlerCallback
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RT = TypeVar("RT")
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2020-10-31 16:33:34 +01:00
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2017-05-22 13:20:26 +02:00
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2024-09-14 08:16:39 +02:00
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class PreCheckoutQueryHandler(BaseHandler[Update, CCT, RT]):
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2023-09-03 14:13:19 +02:00
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"""Handler class to handle Telegram :attr:`telegram.Update.pre_checkout_query`.
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2017-05-22 13:20:26 +02:00
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2020-10-04 17:20:33 +02:00
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Warning:
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2022-04-24 12:38:09 +02:00
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When setting :paramref:`block` to :obj:`False`, you cannot rely on adding custom
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2020-10-04 17:20:33 +02:00
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attributes to :class:`telegram.ext.CallbackContext`. See its docs for more info.
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Documentation Improvements (#3214, #3217, #3218, #3271, #3289, #3292, #3303, #3312, #3306, #3319, #3326, #3314)
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>
2022-11-15 09:06:23 +01:00
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Examples:
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:any:`Payment Bot <examples.paymentbot>`
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2022-08-27 11:46:51 +02:00
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2017-05-22 13:20:26 +02:00
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Args:
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2022-04-24 12:38:09 +02:00
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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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2018-09-21 08:57:01 +02:00
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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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2022-04-24 12:38:09 +02:00
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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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2017-09-01 08:43:08 +02:00
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2023-01-01 16:24:00 +01:00
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.. seealso:: :wiki:`Concurrency`
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2024-01-02 18:35:38 +01:00
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pattern (:obj:`str` | :func:`re.Pattern <re.compile>`, optional): Optional. Regex pattern
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to test :attr:`telegram.PreCheckoutQuery.invoice_payload` against.
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2024-02-08 18:36:28 +01:00
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.. versionadded:: 20.8
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Documentation Improvements (#3214, #3217, #3218, #3271, #3289, #3292, #3303, #3312, #3306, #3319, #3326, #3314)
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>
2022-11-15 09:06:23 +01:00
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2020-12-30 15:59:50 +01:00
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Attributes:
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2022-04-24 12:38:09 +02:00
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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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2024-01-02 18:35:38 +01:00
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pattern (:obj:`str` | :func:`re.Pattern <re.compile>`, optional): Optional. Regex pattern
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to test :attr:`telegram.PreCheckoutQuery.invoice_payload` against.
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2024-02-08 18:36:28 +01:00
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.. versionadded:: 20.8
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2020-12-30 15:59:50 +01:00
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2017-05-22 13:20:26 +02:00
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"""
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2024-01-02 18:35:38 +01:00
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__slots__ = ("pattern",)
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def __init__(
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2024-09-14 08:16:39 +02:00
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self: "PreCheckoutQueryHandler[CCT, RT]",
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2024-01-02 18:35:38 +01:00
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callback: HandlerCallback[Update, CCT, RT],
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block: DVType[bool] = DEFAULT_TRUE,
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pattern: Optional[Union[str, Pattern[str]]] = None,
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):
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super().__init__(callback, block=block)
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self.pattern: Optional[Pattern[str]] = re.compile(pattern) if pattern is not None else None
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2021-05-29 16:18:16 +02:00
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2021-01-30 11:38:54 +01:00
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def check_update(self, update: object) -> bool:
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2022-04-24 12:38:09 +02:00
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"""Determines whether an update should be passed to this handler's :attr:`callback`.
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2017-07-23 22:33:08 +02:00
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Args:
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2020-12-16 17:34:57 +01:00
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update (:class:`telegram.Update` | :obj:`object`): Incoming update.
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2017-07-23 22:33:08 +02:00
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Returns:
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:obj:`bool`
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2017-09-01 08:43:08 +02:00
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"""
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2024-01-02 18:35:38 +01:00
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if isinstance(update, Update) and update.pre_checkout_query:
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invoice_payload = update.pre_checkout_query.invoice_payload
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if self.pattern:
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if self.pattern.match(invoice_payload):
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return True
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else:
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return True
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return False
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