paul j3 <ajipa...@gmail.com> added the comment:
If I add an argument to the mutexGroup as suggested by xiang
In [7]: mutexGroup.add_argument('--foo', action='store_true')
Out[7]: _StoreTrueAction(option_strings=['--foo'], dest='foo', nargs=0,
const=True, default=False, type=None, choices=None, help=None, metavar=None)
In [8]: parser.print_usage()
usage: ipython3 [-h] -u URL -p PROJECT [--dump] --mergeInput MERGEINPUT
[--removeDisabled] -c CHECKERS --foo
In [9]: parser.print_help()
usage: ipython3 [-h] -u URL -p PROJECT [--dump] --mergeInput MERGEINPUT
[--removeDisabled] -c CHECKERS --foo
Sets the checkers of a klocwork project
optional arguments:
-h, --help show this help message and exit
-c CHECKERS, --checkers CHECKERS
File which lists the checkers to be enabled.
the argument_group arguments show up in the usage, but without
mutually_exclusive markings. But they don't show up in the help lines. I
suspect all those group arguments will be tested as one mutually exclusive
group, not two subgroups.
If I put the argument groups in the main parser, and omit the
mutually_exclusive group I get this help:
In [11]: parser.print_help()
usage: ipython3 [-h] -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
-c CHECKERS, --checkers CHECKERS
File which lists the checkers to be enabled.
serverGroup:
-u URL, --url URL klocwork server URL.
-p PROJECT, --project PROJECT
klocwork project name.
--dump Dump the current checkers config.
mergeGroup:
--mergeInput MERGEINPUT
Input file to merge for the '--checkers' file. Format:
checkerName Enabled|Disabled
--removeDisabled Disabled checkers will be removed from the '--
checkers' file.
The argument groups appear as intended in the help lines.
add_argument_group is inherited from _ActionsContainer. The parser
ArgumentParser also inherits this method. A possible fix is to override this
method in the _MutuallyExclusiveGroup class to raise some sort of
not-implemented error.
The documentation, as written, does not suggest or hint that an argument_group
can be added to anything but a parser. But a stronger disclaimer could be
added.
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<https://bugs.python.org/issue26952>
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