Creating functions programmatically

[Anders J. Munch]

"Michael Hudson" <mwh at python.net> wrote:
> "Anders J. Munch" <andersjm at dancontrol.dk> writes:
> 
> > One thing that I don't see how to achieve with exec is control over
> > location in diagnostic messages.  Regular Python diagnostics are fine,
> > but file and line should not point to the exec statement in the .py
> > file, but to the appropriate place in the file I'm parsing.  I could
> > use something akin to C's #line here, is there any Python equivalent?
> 
> One option is to use exec to build the function object, then pick it
> apart and rebuild it using the new module with co_firstline and
> co_filename tweaked to be the correct values.

Good idea, I'll try that.

Thanks,
Anders