[IPython-dev] IPython traitlet problem
Sun Apr 21 06:13:14 CDT 2013
For what it's worth, Python 3 introduces keyword-only arguments, which can
be required arguments. That's specified as part of the function signature,
though; I agree that this limitation in traitlets isn't ideal.
On 21 April 2013 11:24, Matthias Vogelgesang <email@example.com
> Hi Robert,
> On Sat, Apr 20, 2013 at 6:46 PM, Robert McGibbon <firstname.lastname@example.org>
> > You just need to call the constructor with a keyword argument.
> This works very well, thanks. However, this behaviour kind of violates
> what I expect from a Python function: On the one hand, the argument is
> required (as expected with a positional argument) but on the other
> hand I have to use it like a keyword argument. This leaves a bitter
> taste to me, as I will always have to document this behaviour.
> Matthias Vogelgesang
> Public-Key: http://tinyurl.com/2qcydl
> IPython-dev mailing list
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