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Re: Trees

References (4 earlier) <b37db482-1c2d-4b17-9b0b-0e37537482ef@googlegroups.com> <CAPTjJmqxKcMS-aquDsvMb60Mg26yAiB=oQsFXFJh2pbr6vPKWA@mail.gmail.com> <20150121065503.5555c910@bigbox.christie.dr> <CAPTjJmp4sbmmTc9n98QO=TqU=RB4r5GbwVL7HhbFw8MjNrbXJA@mail.gmail.com> <20150121082600.7142865d@bigbox.christie.dr>
Date 2015-01-22 01:31 +1100
Subject Re: Trees
From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.17915.1421850697.18130.python-list@python.org> (permalink)

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On Thu, Jan 22, 2015 at 1:26 AM, Tim Chase
<python.list@tim.thechases.com> wrote:
> While 2.0 is certainly antiquated, Red Hat Enterprise Linux (RHEL) is
> often considered the best definition of what's considered "oldest
> supported production environment".  RHEL v4 ships with Py2.3 and one
> can still obtain extended support for this environment.  RHEL v5 is
> actively supported (i.e., without the need for an extended-support
> contract) and ships with Py2.4 so I generally try to at least support
> 2.4 when I'm writing code that could possibly end deploy on a server
> such as RHEL5.   Some of us are stuck supporting code in such
> antediluvian environments. :-/  Then again, if you're like me and
> working in such environments, you already know to use set() instead
> of {...} and to avoid the "with" statement, and the like. :)

I'm aware that there are reasons for wanting to support older versions
of things. I do it myself in several places (though not specifically
with Python pre-2.7). But there's still a difference between "Moan
moan, we have to use set([1,2,3]) when {1,2,3} would make *so* much
more sense" and "Sadly, I have to ensure that my code works on Python
2.4, so I can't take advantage of all the newer features". One is a
complaint about the language; the other is an acknowledgement of the
personal pain of having to support multiple versions (and is going to
get easier; as years go by, the oldest Python on a supported RHEL will
become newer).

ChrisA

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Re: Trees Terry Reedy <tjreedy@udel.edu> - 2015-01-20 01:08 -0500
  Re: Trees Marko Rauhamaa <marko@pacujo.net> - 2015-01-20 11:45 +0200
    Re: Trees Paul Rubin <no.email@nospam.invalid> - 2015-01-20 10:14 -0800
      Re: Trees Marko Rauhamaa <marko@pacujo.net> - 2015-01-20 22:26 +0200
    Re: Trees Stephen Hansen <me+python@ixokai.io> - 2015-01-20 23:56 -0800
      Re: Trees Marko Rauhamaa <marko@pacujo.net> - 2015-01-21 10:35 +0200
      Re: Trees Rustom Mody <rustompmody@gmail.com> - 2015-01-21 04:09 -0800
        Re: Trees Chris Angelico <rosuav@gmail.com> - 2015-01-21 23:35 +1100
          Re: Trees Rustom Mody <rustompmody@gmail.com> - 2015-01-21 07:24 -0800
        Re: Trees Tim Chase <python.list@tim.thechases.com> - 2015-01-21 06:55 -0600
        Re: Trees Chris Angelico <rosuav@gmail.com> - 2015-01-22 00:01 +1100
        Re: Trees Tim Chase <python.list@tim.thechases.com> - 2015-01-21 08:26 -0600
        Re: Trees Chris Angelico <rosuav@gmail.com> - 2015-01-22 01:31 +1100
        Re: Trees Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-22 01:47 +1100
          Re: Trees Ian Kelly <ian.g.kelly@gmail.com> - 2015-01-21 09:15 -0700
          Re: Trees Ian Kelly <ian.g.kelly@gmail.com> - 2015-01-21 10:27 -0700
  Re: Trees Rustom Mody <rustompmody@gmail.com> - 2015-01-20 05:33 -0800
    Re: Trees Rustom Mody <rustompmody@gmail.com> - 2015-01-20 05:51 -0800
    Re: Trees Marko Rauhamaa <marko@pacujo.net> - 2015-01-20 16:15 +0200
      Re: Trees Rustom Mody <rustompmody@gmail.com> - 2015-01-20 06:35 -0800
    Re: Trees Ian Kelly <ian.g.kelly@gmail.com> - 2015-01-20 10:19 -0700
      Re: Trees Rustom Mody <rustompmody@gmail.com> - 2015-01-20 10:15 -0800
        Re: Trees Rustom Mody <rustompmody@gmail.com> - 2015-01-20 10:35 -0800
    Re: Trees Mario <marfig@gmail.com> - 2015-01-20 22:47 +0100
      Re: Trees Rustom Mody <rustompmody@gmail.com> - 2015-01-20 17:23 -0800
        Re: Trees Paul Rubin <no.email@nospam.invalid> - 2015-01-20 17:49 -0800
          Re: Trees Rustom Mody <rustompmody@gmail.com> - 2015-01-20 18:03 -0800
            Re: Trees Paul Rubin <no.email@nospam.invalid> - 2015-01-21 14:27 -0800
              Re: Trees Rustom Mody <rustompmody@gmail.com> - 2015-01-21 21:17 -0800
        Re: Trees Ian Kelly <ian.g.kelly@gmail.com> - 2015-01-21 15:54 -0700
          Re: Trees Rustom Mody <rustompmody@gmail.com> - 2015-01-21 21:20 -0800
            Re: Trees Ian Kelly <ian.g.kelly@gmail.com> - 2015-01-22 00:01 -0700
            Re: Trees Ian Kelly <ian.g.kelly@gmail.com> - 2015-01-21 23:56 -0700
          Re: Trees Paul Rubin <no.email@nospam.invalid> - 2015-01-21 23:16 -0800
            Re: Trees Rustom Mody <rustompmody@gmail.com> - 2015-01-22 08:54 -0800
      Re: Trees Terry Reedy <tjreedy@udel.edu> - 2015-01-20 21:19 -0500
        Re: Trees Mario Figueiredo <marfig@gmail.com> - 2015-01-21 14:05 +0000

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