On Sun, May 17, 2020 at 09:04:50PM -0000, Alex Hall wrote:
> Some people (like myself, or the coworkers of [this
> person](https://mail.python.org/archives/list/python-ideas@python.org/thread/PLXOXKACKGXN4ZKISDVXLKMFIETWTF63/))
>
> just like to use asserts as a convenient way to check things. We don't
> want asserts to ever be turned off.
That's not your choice. The choice to turn assertions off belongs to the
person running the code, not you. If you are not prepared for the user
to turn assertions off, then your code is buggy.
> Maybe there could be some kind of
> compiler directive which means "in this file, even with -O, keep the
> asserts". Maybe the line `assert __debug__`?
Indeed this feature already exists. It's written as:
if condition: raise Exception
and you can control when it is enabled or disabled, the end user
can't change that. Even better, you can use the correct, meaningful
exception instead of using the wrong, misleading exception.
`assert` is for assertions, not error checking. If you don't want the
semantics of an assertion, then don't use `assert`.
--
Steven
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