Equivalent of perl's Pod::Usage?

[Ryan Ginstrom]

> On Behalf Of Nick Craig-Wood
> As for Pod::Usage - write the instructions for your script as 
> a docstring at the top of your file, then use this little function...
> 
> def usage(error):
>     """
>     Print the usage, an error message, then exit with an error
>     """
>     print >>sys.stderr, globals()['__doc__']
>     print >>sys.stderr, error
>     sys.exit(1)

argparse[1] also prints out very pretty usage for you.

[1] http://argparse.python-hosting.com/

Regards,
Ryan Ginstrom