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https://github.com/python-telegram-bot/python-telegram-bot.git
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57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
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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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# Copyright (C) 2015-2023
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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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import asyncio
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from typing import Callable
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def call_after(function: Callable, after: Callable):
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"""Run a callable after another has executed. Useful when trying to make sure that a function
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did actually run, but just monkeypatching it doesn't work because this would break some other
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functionality.
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Example usage:
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def test_stuff(self, bot, monkeypatch):
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def after(arg):
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# arg is the return value of `send_message`
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self.received = arg
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monkeypatch.setattr(bot, 'send_message', call_after(bot.send_message, after)
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"""
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if asyncio.iscoroutinefunction(function):
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async def wrapped(*args, **kwargs):
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out = await function(*args, **kwargs)
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if asyncio.iscoroutinefunction(after):
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await after(out)
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else:
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after(out)
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return out
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else:
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def wrapped(*args, **kwargs):
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out = function(*args, **kwargs)
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after(out)
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return out
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return wrapped
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