Eric V. Smith <e...@trueblade.com> added the comment:

I'd like to see the default behavior be to raise an exception if eval fails on 
any annotation.

I think it's reasonable to provide a way to find out which specific keys have 
problems, but I don't think that should be the default. Wouldn't it be good 
enough to have a flag which says "just return me a dict which only has keys for 
items which don't contain errors"? Let's call it silence_errors for discussion 
sake. You could then figure out which ones contain errors by:

getattr(obj, "__annotations__", {}).keys() - get_annotations(obj, 
silence_errors=True).keys()

That is, silence_errors works on a per-key basis, not the call to 
get_annotations() as a whole.

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue43817>
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