12 нояб. 2021 г. · I need the binding here because the coroutine passed into the decorator needs to already have __aenter__ and __aexit__ methods defined on it.

25 февр. 2021 г. · Currently annotated __exit__ methods have None return type. It's incorrect and should be changed to Optional[bool].

4 июл. 2021 г. · Our __exit__ method's type hints say: exc_type is a class that inherits from BaseException , or None; exc_val is an instance of BaseException ...

11 нояб. 2019 г. · exc_type is the exception's class. exc_val is the exception instance. exc_tb is a traceback object, of which there is a reference in types. python 3.x - what is the return type of __aenter__ and __aexit__? Python type hints and context managers - Stack Overflow Why is __aexit__ not fully executed when it has await inside? python - Typing __exit__ in 3.5 fails on runtime, but typechecks Другие результаты с сайта stackoverflow.com

2 мар. 2023 г. · The only solution is to return a mutable object, keep the reference to it in the context manager (see (1)), and updating it in __exit__.

If the code-block of the async with statement raises an exception then __aexit__ will be called with the type of the exception, the exception object itself, and ...

18 февр. 2023 г. · This PEP proposes to make the interpreter accept context managers whose __exit__() / __aexit__() method takes only a single exception ...

Асинхронный менеджер контекста - это менеджер контекста, который может приостановить выполнение в своих методах __aenter__() и __aexit__() .

Why is this bad? Improperly annotated __exit__ and __aexit__ methods can cause unexpected behavior when interacting with type checkers. Example.

__aexit__(exc_type, exc_val, exc_tb)¶. __aiter__()¶. The cursor proxy is also an async iterator. Return type: ... Return type: None. async execute(sql ...