[issue22271] Deprecate PyUnicode_AsUnicode(): emit a DeprecationWarning

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

It would be better to emit a warning only at compile time. End user of compiled extension can't do anything with a warning emitted at run time, only its author can avoid it.

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nosy: +serhiy.storchaka

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22271>
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