On 9/26/18 12:19 PM, Nick Coghlan wrote:
On Wed, 26 Sep 2018 at 00:49, Barry Warsaw <ba...@python.org> wrote:

On Sep 24, 2018, at 05:48, Sorin Sbarnea <ssbar...@redhat.com> wrote:

I would like to propose a change on PEP 394 recommendations which were 
originally made almost 7 years ago when python3 was bleeding edge for most 
distributions.

The last time this topic came up, we essentially deferred changing PEP 394 
until after Python 2’s official EOL date.  I think that’s still appropriate.  
Once Python 2 is for good and ever retired, then it’s worth considering changes 
to PEP 394’s language.

Yep, this is still where Fedora is at as well - step 1 is to eliminate
legacy references to the python symlink, and then step 2 will be to
figure out if/when it ever comes back as a way of referring to a
generic version of Python.

Actually, step 1 is done, minus stragglers that are hard to find and won't switch until things break for them. I would be fine switching "python" to Python 3 in Fedora 30 (which is being developed now, and will be supported into 2020), but only if we agree it's the thing to do -- and I consider PEP 394 to be the place for core dev consensus.

Personally, I suspect it's more likely that we''ll start shipping
https://github.com/brettcannon/python-launcher with CPython at some
point, similar to the way we ship the original py launcher for
Windows.

I have doubts that would help. Until `py` is everywhere, you'll still have different ways to start Python on different systems, and `py -3` vs. `python3` is, frankly, not much of a difference.
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