[issue45472] Add public C API for partial "unicode-escape" and "raw-unicode-escape" decoding

Change by Serhiy Storchaka : -- keywords: +patch pull_requests: +27244 stage: -> patch review pull_request: https://github.com/python/cpython/pull/28955 ___ Python tracker

[issue45472] Add public C API for partial "unicode-escape" and "raw-unicode-escape" decoding

New submission from Serhiy Storchaka : The proposed PR adds C API functions PyUnicode_DecodeUnicodeEscapeStateful() and PyUnicode_DecodeRawUnicodeEscapeStateful() for partially decoding with "unicode-escape" and "raw-unicode-escape" encodings. It were the only multibyte text codecs which did