[Python-3000] Invalid \U escape in source code give hard-to-trace error

Neal Norwitz nnorwitz at gmail.com
Mon Jul 16 08:12:26 CEST 2007


On 7/15/07, Guido van Rossum <guido at python.org> wrote:
> When a source file contains a string literal with an out-of-range \U
> escape (e.g. "\U12345678"), instead of a syntax error pointing to the
> offending literal, I get this, without any indication of the file or
> line:
>
> UnicodeDecodeError: 'unicodeescape' codec can't decode bytes in
> position 0-9: illegal Unicode character
>
> This is quite hard to track down. (Both the location of the bad
> literal in the source file, and the origin of the error in the parser.
> :-) Can someone come up with a fix?

Take a look at the patch http://python.org/sf/1031213

That might help.  I'm not sure if it's the same problem.

I really need to dispose of a bunch of things assigned to me. :-(

n


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