Yo Richard! On Tue, 20 Mar 2018 15:48:37 -0500 Richard Laager via devel <devel@ntpsec.org> wrote:
> On 03/20/2018 02:58 PM, Gary E. Miller via devel wrote: > > How does it handle multiple Pythons at the same time? > > Python is a specific example of the generalized problem of wanting two > different versions of the same software installed at the same time. > That generalized problem is solved by versioning executable names (and > anything else necessary, like config/library directories). > > /usr/bin/python is Python 2 > /usr/bin/python3 is Python 3 Two? gentoo can trivially handle more than 7. > More specifically, these are symlinks to, for example, /usr/python/2.7 > and /usr/bin/python3.5. Way more complex in gentoo. I suspect in other distros as well. > It's thus possible to have multiple minor > versions of the same major version installed. I haven't paid close > attention, but I'd imagine that scenario only exists during minor > version transitions and not in a released version of Debian. Just looked at an Ubuntu install, it has three minor versions installed. > For more reading: > https://www.debian.org/doc/packaging-manuals/python-policy/python.html#interpreter_name I'll leave the denian to you. > The ntpsec package patch is just changing: > #!/usr/bin/env python > to: > #!/usr/bin/python3 Yeah, which just breaks Gentoo. So, once again, FAIK, have at if this is an installer selected non-default option, just do not make it the default as that breaks things. > If ntpsec was setting the shebang lines from a configure parameter, I > could use that and avoid the patch. This would be cleaner. But, it's > not like the patch is that big of a deal either. Not sure why we are still discussing it, if you want a non-default installer option, I've not heard any objection so far. Just do not make it default, and don't break current --python behavior. RGDS GARY --------------------------------------------------------------------------- Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703 g...@rellim.com Tel:+1 541 382 8588 Veritas liberabit vos. -- Quid est veritas? "If you can’t measure it, you can’t improve it." - Lord Kelvin
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