Vincas Dargis <vin...@gmail.com> added the comment:
Any progress with this? I believe it would fix my use case:
```
import argparse
import pprint
parser = argparse.ArgumentParser()
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument('--device-get-capabilities',
action='store_true',
help='Execute GetCapabilities action from ONVIF
devicemgmt.wsdl')
group.add_argument('--ptz-absolute-move',
nargs=3,
metavar=('x', 'y', 'z'),
help='Execute AbsoluteMove action from ONVIF ptz.wsdl')
group.add_argument('--ptz-get-status',
metavar='MEDIA_PROFILE',
default='MediaProfile000',
help='Execute GetSatus action from ONVIF ptz.wsdl for a
media profile (default=%(default)s)')
pprint.pprint(parser.parse_args(['--ptz-get-status']))
```
Outputs (using 3.6.3):
```
python3 ./test-ex-group-with-defult.py
usage: test-ex-group-with-defult.py [-h]
(--device-get-capabilities |
--ptz-absolute-move x y z | --ptz-get-status MEDIA_PROFILE)
test-ex-group-with-defult.py: error: argument --ptz-get-status: expected one
argument
```
Are there know workarounds for this?
----------
nosy: +talkless
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue18943>
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