[OE-core] [PATCH 01/13] python: update to 2.7.17

[Alexander Kanavin]

On Mon, 18 Nov 2019 at 23:06, Adrian Bunk <bunk at stusta.de> wrote:

>
> > > That's a non-option since it could mean
> > > "Yocto 3.1 cannot be built on Ubuntu 20.04".
> > >
> > > Ubuntu 20.04 might end up still shipping Python2,[1]
> > > but you cannot rely on future distributions shipping it.
> >
> > And why should OE ship something that’s dropped by its own upstream and
> > other distributions
>
> All I am saying is that relying on the host Python2 is a non-option.
>
> If any layer needs a native Python2, this has to be shipped either in
> this layer or in a layer it depends on.
>

Sadly, not relying on host Python 2 is not possible. Building Python 2
needs a working binary of Python 2. So there is a circular dependency chain
that cannot be broken: host py2 -> native py2 -> target py2 -> self-hosted
packagegroup.

You can remove all three versions of py2, but not any of them individually.

Alex
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