[IronPython] bytes and str in 2.7 io module

[Jeff Hardy]

On Mon, Nov 8, 2010 at 8:16 PM, Dino Viehland <dinov at microsoft.com> wrote:
> Vernon wrote:
>
> Jeff:
>   Make sure to check the Python 3 bindings as well. We don't want to loose
> ground going in that direction, since IPy already has Python 3's best
> feature -- all strings are Unicode. Maybe the equivalent of "if
> sys.version[0] >= '3':" should be buried in the helper so that that wheel
> will not need to be re-invented in the future.  Just a thought.
>
> We do this elsewhere but it requires flowing a CodeContext in everywhere if
> it’s not already flowed in or held onto by the object.  If we centralize
> this is one function though we can just remove the extra allowed conversion
> when going to 3k.

That's pretty much what I plan to do :)

- Jeff