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45 lines
1.6 KiB
Python
45 lines
1.6 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) 2015-2020
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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 facilitates the deprecation of functions."""
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import warnings
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# We use our own DeprecationWarning since they are muted by default and "UserWarning" makes it
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# seem like it's the user that issued the warning
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# We name it something else so that you don't get confused when you attempt to suppress it
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class TelegramDeprecationWarning(Warning):
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pass
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def warn_deprecate_obj(old, new, stacklevel=3):
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warnings.warn(
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'{0} is being deprecated, please use {1} from now on.'.format(old, new),
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category=TelegramDeprecationWarning,
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stacklevel=stacklevel)
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def deprecate(func, old, new):
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"""Warn users invoking old to switch to the new function."""
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def f(*args, **kwargs):
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warn_deprecate_obj(old, new)
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return func(*args, **kwargs)
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return f
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