New submission from Ben Avrahami <avrahami....@gmail.com>:
python-ideas discussion: https://mail.python.org/archives/list/python-id...@python.org/thread/6BNJ3YSEBPHEPGXSAZGBW3TJ64ZGZIHE/ In order to allow "decorator mixins" (most notably dataclass and total_ordering) to implement ABCs, new functionality is needed. I propose a new python function in `abc.py` called `update_abstractmethods`. The function will accept a class and, if the class is an instance of ABCMeta, will update the class's `__abstractmethods__` attribute to not include implemented attributes, and to include new abstractmethods (proposed implementation in thread). Both dataclass and total_ordering will be modified to call this function on the subject class before returning it, and 3rd-party libraries which implement mixin decorators (like attrs) will be to do the same. Also, the function can be used as a decorator individually, this is especially useful in cases where 3rd party decorators do not call the function. ---------- components: Library (Lib) messages: 377769 nosy: avrahami.ben priority: normal severity: normal status: open title: add update_abstractmethods function to update an ABC's abstract methods type: enhancement versions: Python 3.10 _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue41905> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
