Creating functions programmatically

[Michael Hudson]

"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.

Cheers,
M.

-- 
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                                      -- Ben Wolfson, comp.lang.python