Michael Blahay <[email protected]> added the comment:
For the purpose of facilitating continuing conversation, here are two tests
that contrast the use of * versus REMAINDER
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('foo', nargs=1,default=['none'])
parser.add_argument('bar', nargs=argparse.REMAINDER,default=['nothing'])
parser.add_argument('baz', nargs='*', default=['nada'])
parser.parse_args('a b c'.split())
Out[7]: Namespace(bar=['b', 'c'], baz=['nada'], foo=['a'])
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('foo', nargs=1,default=['none'])
parser.add_argument('baz', nargs='*', default=['nada'])
parser.add_argument('bar', nargs=argparse.REMAINDER,default=['nothing'])
parser.parse_args('a b c'.split())
Out[8]: Namespace(bar=[], baz=['b', 'c'], foo=['a'])
You can see that * and REMAINDER do differ in functionality when they are the
last defined argument.
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Python tracker <[email protected]>
<https://bugs.python.org/issue35495>
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