ARGPARSE Newbie question
paulclarke345 at gmail.com
paulclarke345 at gmail.com
Tue Apr 17 21:08:37 EDT 2018
On Tuesday, April 17, 2018 at 7:09:45 PM UTC-5, TUA wrote:
> I'd like to create a script that handles a number of verbs with mandatory and /or optional parameters like listed in the table below.
>
> Can ARGPARSE do this and how?
>
> Thanks for all help!
>
>
>
>
>
> Script Verb Mandatory parameters Optional parameters
> ------------------------------------------------------------------------------
> myprog.py list --- verbose
>
> myprog.py add sid(string), type (string), memory (int) comment (string), autostart (bool, default=TRUE)
>
> myprog.py memory sid (string), memory (integer)
>
> myprog.py comment sid(string), comment (string)
>
> myprog.py restore sid(string), srcpath (string)
>
> myprog.py backup sid(string), dstpath(string)
>
> myprog.py remove sid (string)
you can use subparsers for this. The syntax goes something like this:
parser = argparse.ArgumentParser()
subparsers = parser.add_subparsers(dest='subparser_name')
list_parser = subparsers.add_parser("list", help="help for list")
list_parse.add_argument("-v", "--verbose", help="show verbose output",
action="store_true")
add_parser = subparsers.add_parser("add", help="help for add")
add.add_argument("sid", type=str, help="help for sid")
...
etc. see the documentation on argparse for more on this.
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