Xiang Zhang added the comment:
I agree with Berker. Even without any exceptions, the help message given is not
what add_argument_group and add_mutually_exclusive_group intend.
You can see
usage: argparse_test.py [-h] [--foo] -u URL -p PROJECT [--dump] --mergeInput
MERGEINPUT [--removeDisabled] -c CHECKERS
Sets the checkers of a klocwork project
optional arguments:
-h, --help show this help message and exit
--foo
-c CHECKERS, --checkers CHECKERS
File which lists the checkers to be enabled.
There is not group name and still optional arguments. And the command line does
not show exclusive. I believe they are not designed to work like this.
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<http://bugs.python.org/issue26952>
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