Hi Sean,
the usage message is generated by introspection, so with your implicit
arguments declaration it's not possible to get an informative usage
message. But you can add a docstring which will be displayed with "help
test" instead of "test ?".
def test(*args, **kwargs):
'''
DESCRIPTION
Some description.
USAGE
test [ x1, x2, ..., xn, [ var1=0 [, selection="" ]]]
'''
var1 = kwargs.get('var1', 0)
sel = kwargs.get('selection', '')
for x in args:
pass
Hope that helps.
Cheers,
Thomas
On 06/14/2012 06:00 PM, Sean Law wrote:
> Hi PyMOL Community,
>
> I have a PyMOL script that I have written that starts with the following
> kind of format:
>
> -----------------
> from pymol import cmd
> from re import *
>
> def test(*args, **kwargs):
>
> var1=0
> sel=""
>
> for key in kwargs:
> if (key == "var1"):
> var1=int(kwargs["var1"])
> elif (key == "selection"):
> sel=kwargs["selection"]
> else:
> continue
>
> while (len(args)>=1):
> args.pop(0)
>
> return
> cmd.extend("test", test)
>
> ----------------------
>
>
> I've noticed that in this format the usage output (i.e. if I do "test
> ?") does not contain any valuable information:
>
> test ?
> Usage: test
>
> Thus, I was hoping that there was an easy way that I can directly
> specify what the Usage output says. I was hoping that it would say
> something like:
>
> Usage: test [var1=0 [, selection=""]]
>
> Any suggestions would be greatly appreciated. Thanks.
>
> Sean
--
Thomas Holder
MPI for Developmental Biology
Spemannstr. 35
D-72076 Tübingen
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