Raymond Hettinger <raymond.hettin...@gmail.com> added the comment:
> With a config file loaded as part of the program,
> overwrite the values loaded from the config file
> if the argument was encountered in the argument vector.
It seems to me that default values can already be used for this purpose:
from argparse import ArgumentParser
config = {'w': 5, 'x': 10, 'y': False, 'z': True}
missing = object()
p = ArgumentParser()
p.add_argument('-x', type=int, default=missing)
p.add_argument('-y', action='store_true', default=missing)
ns = p.parse_args()
# update config for specified values
for parameter, value in vars(ns).items():
if value is not missing:
config[parameter] = value
print(config)
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue44748>
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