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author | Sandro Tosi <sandro.tosi@gmail.com> | 2012-01-04 22:25:20 (GMT) |
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committer | Sandro Tosi <sandro.tosi@gmail.com> | 2012-01-04 22:25:20 (GMT) |
commit | 412d0f2f986cc7a7d7254922cafc899a53316dcf (patch) | |
tree | 8a6d7a41051e72dd4b34d524943b3d047724bcf9 | |
parent | f7e7818e245f14c94ce123746efd427634e56109 (diff) | |
parent | 98492a50ea30d2dffd7e16054e3aeb35cb2fed8d (diff) | |
download | cpython-412d0f2f986cc7a7d7254922cafc899a53316dcf.zip cpython-412d0f2f986cc7a7d7254922cafc899a53316dcf.tar.gz cpython-412d0f2f986cc7a7d7254922cafc899a53316dcf.tar.bz2 |
merge with 3.2
-rw-r--r-- | Doc/library/argparse.rst | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst index c280704..1f0ea2d 100644 --- a/Doc/library/argparse.rst +++ b/Doc/library/argparse.rst @@ -724,6 +724,19 @@ how the command-line arguments should be handled. The supported actions are: >>> parser.parse_args('--str --int'.split()) Namespace(types=[<class 'str'>, <class 'int'>]) +* ``'count'`` - This counts the number of times a keyword argument occurs. For + example, this is useful for increasing verbosity levels:: + + >>> parser = argparse.ArgumentParser() + >>> parser.add_argument('--verbose', '-v', action='count') + >>> parser.parse_args('-vvv'.split()) + Namespace(verbose=3) + +* ``'help'`` - This prints a complete help message for all the options in the + current parser and then exits. By default a help action is automatically + added to the parser. See :class:`ArgumentParser` for details of how the + output is created. + * ``'version'`` - This expects a ``version=`` keyword argument in the :meth:`~ArgumentParser.add_argument` call, and prints version information and exits when invoked. |