On 17 November 2017 at 05:15, Chris Barker <chris.bar...@noaa.gov> wrote:
> On Wed, Nov 15, 2017 at 11:07 AM, Steve Dower <steve.do...@python.org> > wrote: > >> If you write such a PEP, please also research and write up the issues >> with modifying PATH on Windows (they're largely scattered throughout >> bugs.p.o and earlier discussions on python-dev). >> > > Is anyone proposing doing anything new with that? (other than changing the > default) > > My preferred solution for this is to rename "py.exe" to "python.exe" > > > I was going to propose that in this thread, but then thought: "there has > GOT to be a reason why that reall obvious solution wan't done in the first > place", and didn't have time to go back and research it. > As far as I recall, the arguments against it are: - wanting the regular executable and the launcher to be able to coexist in the same build target directory - not wanting the regular python executable to prevent access to the launcher at a shell prompt - not wanting the launcher at a shell prompt to prevent access to the regular executable at a shell prompt However, https://www.python.org/dev/peps/pep-0397/ doesn't spell those out, it just states what the launcher's name will be, and emphasises that the main purpose is to provide a sensible target for file associations after the "always use the most recently installed version" assumption broke down: https://www.python.org/dev/peps/pep-0397/#rationale Addressing them now: * as long as the extra hard links are only generated at install time, there also won't be any problems with build directory name conflicts. * the launcher will always be available a `py`, regardless of the current PATH * PATH in a venv will still put the regular python executable ahead of the launcher Cheers, Nick. -- Nick Coghlan | ncogh...@gmail.com | Brisbane, Australia
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