[Tutor] dict.iteritems() in Python3, was Re: Tutor Digest, Vol 110, Issue 117

[Prasad, Ramit]

Peter Otten wrote:
> Prasad, Ramit wrote:
> 
> > Jim Mooney wrote:
> >>
> >> > In py3.x, iteritems was replaced by .items()
> >>
> >> Interesting, since iteritems was in my book, which was "updated" for
> >> Py33. I guess the moral is you shouldn't trust an author 100% ;')  I
> >> must admit, iteritems did seem awkward and annoying so I'm glad it's
> >> dropped.
> >>
> >> Jim
> >
> > Technically, .items() was dropped and .iteritems() was renamed .items()
> 
> One way to verify that is to run
> 
> $ cat tmp.py
> d = dict(a=1, b=2)
> x = d.items()
> y = d.iteritems()
> z = d.viewitems()
> 
> through the 2to3 tool:
> 
> $ 2to3 tmp.py 2> /dev/null
> --- tmp.py      (original)
> +++ tmp.py      (refactored)
> @@ -1,5 +1,5 @@
>  d = dict(a=1, b=2)
> -x = d.items()
> -y = d.iteritems()
> -z = d.viewitems()
> +x = list(d.items())
> +y = iter(d.items())
> +z = d.items()
> 
> So
> 
> d.items() --> list(d.items())
> d.iteritems() --> iter(d.items())
> d.viewitems() --> d.items()
> 
> In short: items() and iteritems() were both dropped, and viewitems() was
> renamed items().
> 

Thanks for the excellent (and well laid out) correction Peter!


~Ramit


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