Re: enhanced error fields

On 12/28/12 2:03 PM, Peter Geoghegan wrote:
> Are you aware of any popular programming language that provides this
> kind of information? Can you tell in a well-principled way what
> function a Python exception originated from, for example? These are
> the built-in Python 2 exception classes:
> 
> http://docs.python.org/2/library/exceptions.html
> 
> None of the Python built-in exception types have this kind of
> information available from fields or anything.

Sure, OSError has a filename attribute (which I'm sure is qualified by a
directory name if necessary), SyntaxError has filename, lineno, etc.

OSError.filename is essentially the equivalent of what is being proposed
here.