Serhiy Storchaka added the comment:
The 'raw_unicode_escape' codec can't be neither removed nor changed because it
is used in pickle protocol. Just don't use it if its behavior looks weird for
you.
Right way to decode raw_unicode_escape-encoded data is use 'raw_unicode_escape'
decoder.
If a string don't contain quotes, you can use eval(), but you should first
decode data from latin1 and encode to UTF-8:
>>> literal = ('r"%s"' %
>>> "zażółć".encode('raw_unicode_escape').decode('latin1')).encode()
>>> literal
b'r"za\\u017c\xc3\xb3\\u0142\\u0107"'
>>> eval(literal)
'za\\u017có\\u0142\\u0107'
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nosy: +serhiy.storchaka
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<http://bugs.python.org/issue19539>
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