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Mon Apr 19 05:44:29 CEST 2010 · https://mail.python.org/pipermail/python-dev/2010-April/099549.html

On 04/18/2010 05:57 PM, Nick Coghlan wrote:
> Steven Bethard wrote:
>> By the way, we could simplify the typical add_argument usage by adding
>> "show program's version number and exit" as the default help for the
>> 'version' action. Then you should just write:
>>
>>      parser.add_argument('--version', action='version', version='<the version>')
>
> With that change, I would have no problem with the current argparse
> behaviour (since doing it this way makes it very easy for people to add
> a "-V" shortcut if they want one).

+1   This sounds good to me also.

Note that the python interpreter uses -V and --version.

ra at Gutsy:~$ python3.1 -V
Python 3.1.2
ra at Gutsy:~$ python3.1 --version
Python 3.1.2

And -v is used as follows:

-v     : verbose (trace import statements); also PYTHONVERBOSE=x
          can be supplied multiple times to increase verbosity

Ron

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Showing content from https://mail.python.org/pipermail/python-dev/2010-April/099549.html below:

[Python-Dev] Python 2.7b1 and argparse's version action