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41 lines
1.5 KiB
Python
41 lines
1.5 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) 2015-2023
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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 inspect
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def mro_slots(obj, only_parents: bool = False):
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"""Returns a list of all slots of a class and its parents.
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Args:
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obj (:obj:`type`): The class or class-instance to get the slots from.
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only_parents (:obj:`bool`, optional): If ``True``, only the slots of the parents are
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returned. Defaults to ``False``.
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"""
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cls = obj if inspect.isclass(obj) else obj.__class__
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if only_parents:
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classes = cls.__mro__[1:]
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else:
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classes = cls.__mro__
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return [
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attr
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for cls in classes
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if hasattr(cls, "__slots__") # The Exception class doesn't have slots
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for attr in cls.__slots__
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]
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