How do I create user-defined warnings?

[Andrii V. Mishkovskyi]

2008/6/18 Clay Hobbs <clay at lakeserv.net>:
> I already know how to make user-defined exceptions, like this one:
>
>        class MyException(Exception):
>            pass
>
> But for a module I'm making, I would like to make a warning (so it just
> prints the warning to stderr and doesn't crash the program).  I have
> tried this:
>
>        class MyWarning(Warning):
>            pass
>
> And it behaves like a normal error.  Please help me, I can't figure out
> what I'm doing wrong.

Use 'warnings' module.
http://docs.python.org/lib/module-warnings.html

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-- 
Wbr, Andrii Mishkovskyi.

He's got a heart of a little child, and he keeps it in a jar on his desk.