UnicodeDecodeError: 'charmap' codec can't decode byte 0x9d in position 10442: character maps to <undefined>

Benjamin Kaplan bsk16 at case.edu
Thu Jan 29 17:49:41 CET 2009


On Thu, Jan 29, 2009 at 11:24 AM, Anjanesh Lekshminarayanan <
mail at anjanesh.net> wrote:

> Im reading a file. But there seems to be some encoding error.
>
> >>> f = open(filename)
> >>> data = f.read()
> Traceback (most recent call last):
>  File "<pyshell#2>", line 1, in <module>
>    data = f.read()
>  File "C:\Python30\lib\io.py", line 1724, in read
>    decoder.decode(self.buffer.read(), final=True))
>  File "C:\Python30\lib\io.py", line 1295, in decode
>    output = self.decoder.decode(input, final=final)
>  File "C:\Python30\lib\encodings\cp1252.py", line 23, in decode
>    return codecs.charmap_decode(input,self.errors,decoding_table)[0]
> UnicodeDecodeError: 'charmap' codec can't decode byte 0x9d in position
> 10442: character maps to <undefined>
>
> The string at position 10442 is something like this :
> "query":"0 1Ȉ \u2021 0\u201a0 \u2021Ȉ ","
>
> So what encoding value am I supposed to give ? I tried f =
> open(filename, encoding="cp1252") but still same error. I guess
> Python3 auto-detects it as cp1252


It does auto-detect it as cp1252- look at the files in the traceback and
you'll see lib\encodings\cp1252.py. Since cp1252 seems to be the wrong
encoding, try opening it as utf-8 or latin1 and see if that fixes it.


> --
> Anjanesh Lekshmnarayanan
> --
> http://mail.python.org/mailman/listinfo/python-list
>
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