[Python] How to enforce ASCII-only identifiers in Python while allowing UTF-8 strings?

I want to configure Python so that it raises an error when encountering non-ASCII characters in identifiers (e.g., variable names, function names) but still accepts UTF-8 encoded strings (e.g., "Привет, мир!"). For example:

# This should raise an error
def тест():
pass

# This should work
text = "Привет, мир!"


I know about # -*- coding: ascii -*-, but it blocks non-ASCII characters everywhere in the source code, including in string literals.

(and also the same question for jupyter notebook)

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