[PATCH 4 of 6 py3] dirstate: use iter.__next__ instead of iter.next

[Martin von Zweigbergk]

On Wed, Mar 15, 2017 at 9:13 PM, Pulkit Goyal <7895pulkit at gmail.com> wrote:
> # HG changeset patch
> # User Pulkit Goyal <7895pulkit at gmail.com>
> # Date 1489634873 -19800
> #      Thu Mar 16 08:57:53 2017 +0530
> # Node ID 69aafa5d3e0f109c7b501758381f65fd9b375196
> # Parent  db48c50cb5831c7c1265296d8d6c8d589ed41689
> dirstate: use iter.__next__ instead of iter.next
>
> In Python 3 world, iter.next() is renamed to iter.__next__()

Will next(iter) do the same in both versions?

>
> diff -r db48c50cb583 -r 69aafa5d3e0f mercurial/dirstate.py
> --- a/mercurial/dirstate.py     Thu Mar 16 08:03:51 2017 +0530
> +++ b/mercurial/dirstate.py     Thu Mar 16 08:57:53 2017 +0530
> @@ -1115,7 +1115,10 @@
>              else:
>                  # We may not have walked the full directory tree above,
>                  # so stat and check everything we missed.
> -                nf = iter(visit).next
> +                if pycompat.ispy3:
> +                    nf = iter(visit).__next__
> +                else:
> +                    nf = iter(visit).next
>                  for st in util.statfiles([join(i) for i in visit]):
>                      results[nf()] = st
>          return results
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