[Python-Dev] unicode Exception messages in py2.7
tjreedy at udel.edu
Thu Nov 14 23:59:08 CET 2013
On 11/14/2013 4:55 PM, Tres Seaver wrote:
> About the only things I can think of which might break would be doctests,
> but people *expect* those to break across third-dot releases of Python
> (one reason why I hate them).
My impression is that we avoid enhancing correct exception messages in
bugfix (third-dot) releases because of both doctests and other in-code
examination of messages.
> Exception repr is explicitly *not* part of
> any backward-compatibility guarantees in Python.
So we more freely change exception messages in version (second-dot)
releases, without deprecation notices or waiting periods.
Terry Jan Reedy
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