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https://github.com/python-telegram-bot/python-telegram-bot.git
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61 lines
2.4 KiB
Python
61 lines
2.4 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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import importlib
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import os
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from pathlib import Path
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import inspect
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included = { # These modules/classes intentionally have __dict__.
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'CallbackContext',
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'BasePersistence',
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}
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def test_class_has_slots_and_no_dict():
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tg_paths = [p for p in Path('telegram').rglob("*.py") if 'vendor' not in str(p)]
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for path in tg_paths:
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if '__' in str(path): # Exclude __init__, __main__, etc
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continue
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mod_name = str(path)[:-3].replace(os.sep, '.')
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module = importlib.import_module(mod_name) # import module to get classes in it.
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for name, cls in inspect.getmembers(module, inspect.isclass):
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if cls.__module__ != module.__name__ or any( # exclude 'imported' modules
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x in name for x in {'__class__', '__init__', 'Queue', 'Webhook'}
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):
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continue
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assert '__slots__' in cls.__dict__, f"class '{name}' in {path} doesn't have __slots__"
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# if the class slots is a string, then mro_slots() iterates through that string (bad).
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assert not isinstance(cls.__slots__, str), f"{name!r}s slots shouldn't be strings"
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# specify if a certain module/class/base class should have dict-
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if any(i in included for i in {cls.__module__, name, cls.__base__.__name__}):
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assert '__dict__' in get_slots(cls), f"class {name!r} ({path}) has no __dict__"
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continue
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assert '__dict__' not in get_slots(cls), f"class '{name}' in {path} has __dict__"
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def get_slots(_class):
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slots = [attr for cls in _class.__mro__ if hasattr(cls, '__slots__') for attr in cls.__slots__]
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return slots
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