What extended ASCII character set uses 0x9D?
MRAB
python at mrabarnett.plus.com
Thu Aug 17 21:21:35 EDT 2017
On 2017-08-18 01:14, John Nagle wrote:
> I'm cleaning up some data which has text description fields from
> multiple sources. Some are are in UTF-8. Some are in WINDOWS-1252.
> And some are in some other character set. So I have to examine and
> sanity check each field in a database dump, deciding which character
> set best represents what's there.
>
> Here's a hard case:
>
> g1 = bytearray(b'\\"Perfect Gift Idea\\"\x9d Each time')
>
> g1.decode("utf8")
> UnicodeDecodeError: 'utf-8' codec can't decode byte 0x9d in position
> 21: invalid start byte
>
> g1.decode("windows-1252")
> UnicodeDecodeError: 'charmap' codec can't decode byte 0x9d in position
> 21: character maps to <undefined>
>
> 0x9d is unmapped in "windows-1252", according to
>
> https://en.wikipedia.org/wiki/Windows-1252
>
> So the Python codec isn't wrong here.
>
> Trying "latin-1"
>
> g1.decode("latin-1")
> '\\"Perfect Gift Idea\\"\x9d Each time'
>
> That just converts 0x9d in the input to 0x9d in Unicode.
> That's "Operating System Command" (the "Windows" key?)
> That's clearly wrong; some kind of quote was intended.
> Any ideas?
>
It's preceded by something in quotes, so it might be ™ (trademark
symbol, '\u2122') or something similar. No idea which encoding that
would be, though.
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