[Tutor] Groups of mutually exclusive options

[Steven D'Aprano]

On Mon, Apr 21, 2014 at 08:26:41PM -0400, rail shafigulin wrote:

> For example say I have a the script with called myscript.py which can take
> two groups of options
> 
> group1
>     option1a
>     option1b
>     option1c
> group2
>     option2a
>     option2b
>     otpion2c
> 
> I can run this script only with the following options
> 
> myscript.py --option1a --option1b --option1c
> or
> myscript.py --option2a --option2b --option2c

Normally the way to handle that with argparse is to define subcommands,
and write something like this:

myscript.py spam --option1a --option1b --option1c
myscript.py eggs --option2a --option2b --option2c

http://stackoverflow.com/questions/18046540/add-a-second-group-of-parameters-that-is-totally-mutually-exclusive-from-the-fir

I don't think there is any directly supported way to handle it in 
argparse without the subcommands.


-- 
Steven