from hiargparse import ArgsProvider, Arg, ChildProvider, ArgumentParser
child = ArgsProvider(args=[Arg('baz', default=42)])
root = ArgsProvider(
args=[Arg('foo', default='bar')],
child_providers=[ChildProvider(provider=child, name='child')])
parser = ArgumentParser()
parser.add_arguments_from_provider(root)
print(parser.parse_args())
back_tire_params._update({'radius': params.tire_radius + 1.0})
# of course you can use normal access to the attribute
back_tire_params.value *= 2
self._back_tires = [Tire(back_tire_params) for i in range(2)]
def print_spec(self) -> None:
print('Car: ')
print('front tires: {}'.format(', '.join([str(tire) for tire in self._front_tires])))
print('back tires: {}'.format(', '.join([str(tire) for tire in self._back_tires])))
if self._numbers is not None:
print('by the way, I like {} hahaha'.format(', '.join([str(n) for n in self._numbers])))
if __name__ == '__main__':
# set a root argument provider (same as other argument providers)
args_provider = ArgsProvider(
child_providers=[ChildProvider(Car)]
)
# quite usual argparse way except *new code* line
parser = ArgumentParser()
parser.add_argument('-V', '--version', action='version', version='v1.0')
args_provider.add_arguments_to_parser(parser) # *new code*
params = parser.parse_args()
# now you have ALL parameters including child and grandchild arguments
print(params)
car = Car(params.Car)
car.print_spec()
type=Path,
help=
'%(default-text)s Write a configure file in the given path and exit. '
),
# read-from argument
Arg('read-from',
type=Path,
help='%(default-text)s Read from the given configure file. '),
],
child_providers=[ChildProvider(Son)])
# parse arguments as usual
parser = ArgumentParser()
parser.add_argument('-V', '--version', action='version', version='v1.0')
parser.add_arguments_from_provider(args_provider)
params = parser.parse_args()
# write to / read from a file
file_type = ConfigureFileType[params.file_type]
if params.write_to is not None:
path_w: Path = params.write_to
# write configure arguments to the given file as the given type
with path_w.open('w') as f:
f.write(
args_provider.write_out_configure_arguments(
file_type.get_writer()))
# When you want to write out a configure file,
# usually you want to stop this program, fill in
# your brand-new configure file, and then restart it.
# so I'll exit
exit()