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Wed Apr 21 00:31:14 CEST 2010 · https://mail.python.org/pipermail/python-dev/2010-April/099599.html

Nick Coghlan wrote:
> Tobias Herp wrote:
>> No deprecation or removal of the simple and convenient 'version'
>> argument is needed for this.  Just omit it, and build your version
>> action yourself.  But please notice that there are others who appreciate
>> this simple way to do it and don't need more.
> 
> One Obvious Way.
> 
> In this case, the ambiguity of the "version=" argument is sufficient to
> elevate it to the level of "attractive nuisance" (particularly given the
> legacy behaviour of conflicting with typical verbosity options). The
> default help for the action needs to be fixed, and there are a couple of
> documentation tweaks to be made, but Steven's decision to remove the
> feature has a sound rationale.

Exactly my feelings. IMO, straight removal would be fine as well, but a
deprecation may be more user-friendly, wrt. the existing code base.

Regards,
Martin

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