[Python-Dev] Re: More informative error messages

Greg Ewing greg at cosc.canterbury.ac.nz
Wed Oct 8 22:29:09 EDT 2003


"Gregory P. Smith" <greg at electricrain.com>:

> At the time the TypeError is constructed it shouldn't add serious overhead
> to check if its a method or a function and subtract 1 accordingly.

Except that by the time the error is detected, we've lost track of
whether it's a method or not.

Maybe a heuristic could be applied, e.g. if the first parameter is
called 'self', say something like "foo() takes exactly 1 argument
(excluding 'self'), 0 given".

Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury,	   | A citizen of NewZealandCorp, a	  |
Christchurch, New Zealand	   | wholly-owned subsidiary of USA Inc.  |
greg at cosc.canterbury.ac.nz	   +--------------------------------------+



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