Re: installing python 2 and python 3 in the same profile

[ludo@gnu.org (Ludovic Courtès)]

Hi,

Konrad Hinsen <konrad.hinsen@fastmail.net> skribis:

> On 14/03/2018 12:39, Hartmut Goebel wrote:
>> Am 13.03.2018 um 22:52 schrieb Ludovic Courtès:
>>>    2. Use different package names when we know things can be
>>>       parallel-installed: “python2” vs. “python” (I’m talking about the
>>>       package name, not its version string.)  That’s what distros usually
>>>       do, and I think it’s good enough.
>>
>> I'd prefer this.
>
> That sounds like a good basis. But perhaps "python" for Python 2 and
> "python3" for Python 3 would make more sense, since those are the
> names of the executables.

Yes. OTOH we use the “python2-” prefix for 2.x packages and “python-”
for 3.x packages.

At any rate, that’s a change we should do now in ‘core-updates’.

Ricardo?

> This does of course raise the question of how this will evolve in the
> long run, but since so many bad decisions were already taken, I am not
> trying to guess what will happen. For now, the upstream recommendation
> remains to use "python" and "python3" to distinguish the
> executables. But what will happen in 2020? The Python community might
> be tempted to change the naming to mark the end of Python 2 support,
> but that would be at the price of another round of breaking
> everybody's scripts.

Not our business I’d say.  :-)

Ludo’.