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Re: Guido sees the light: PEP 8 updated

From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Subject Re: Guido sees the light: PEP 8 updated
Date 2016-04-16 19:30 +1000
Message-ID <mailman.45.1460799029.6324.python-list@python.org> (permalink)
References (2 earlier) <87shym6kpo.fsf@elektro.pacujo.net> <CAPTjJmrq-pFDGS14PE+FXx=B+fXBD-Pkqc9JdQrjULR9aXRSxg@mail.gmail.com> <mailman.43.1460795561.6324.python-list@python.org> <87h9f26ioa.fsf@elektro.pacujo.net> <CAPTjJmpxiYh=yKosufJvEvm5sOqeSTbgBHWCY4jFq-gmDeTa=Q@mail.gmail.com>

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On Sat, Apr 16, 2016 at 6:51 PM, Marko Rauhamaa <marko@pacujo.net> wrote:
> Chris Angelico <rosuav@gmail.com>:
>
>> On Sat, Apr 16, 2016 at 6:06 PM, Marko Rauhamaa <marko@pacujo.net> wrote:
>>> It doesn't really matter one way or another. The true WTF is that it's
>>> been changed.
>>
>> Why? Was PEP 8 inscribed on stone tablets carried down from a mountain?
>
> In a way, yes.
>
> I don't follow PEP 8 to the tee; probably nobody does. However, I don't
> see the point of turning truckloads of exemplary Python code into
> truckloads of substandard Python code.

Let me quote to you from the most important section of PEP 8.

"""
A style guide is about consistency. Consistency with this style guide
is important. Consistency within a project is more important.
Consistency within one module or function is the most important.

However, know when to be inconsistent -- sometimes style guide
recommendations just aren't applicable. When in doubt, use your best
judgment. Look at other examples and decide what looks best. And don't
hesitate to ask!
"""
(from the section "A Foolish Consistency is the Hobgoblin of Little Minds")

Maybe we need a blog post "Falsehoods Programmers Believe About PEP
8", along the lines of the ones about time and names. Remember, every
one of these is false.

* All Python code should follow PEP 8.
* If you use a tool named pep8, your code will be PEP 8 compliant.
* If your code is PEP 8 compliant, a tool named pep8 will accept it.
* The Python Standard Library is PEP 8 compliant.
* Okay, at least the new parts of the standard library are PEP 8 compliant.
* PEP 8 compliant code is inherently better than non-compliant code.
* PEP8-ing existing code will improve it.
* Once code is PEP 8 compliant, it can easily be kept that way through
subsequent edits.
* PEP 8 never changes.
* Well, it never materially changes.
* I mean, new advice, sure, but it'll never actually go back on a rule.

Contributions welcomed.

ChrisA

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Thread

Guido sees the light: PEP 8 updated Steven D'Aprano <steve@pearwood.info> - 2016-04-16 14:38 +1000
  Re: Guido sees the light: PEP 8 updated Bob Martin <bob.martin@excite.com> - 2016-04-16 08:05 +0100
    Re: Guido sees the light: PEP 8 updated Marko Rauhamaa <marko@pacujo.net> - 2016-04-16 11:06 +0300
      Re: Guido sees the light: PEP 8 updated Chris Angelico <rosuav@gmail.com> - 2016-04-16 18:32 +1000
        Re: Guido sees the light: PEP 8 updated Marko Rauhamaa <marko@pacujo.net> - 2016-04-16 11:51 +0300
          Re: Guido sees the light: PEP 8 updated Chris Angelico <rosuav@gmail.com> - 2016-04-16 19:30 +1000
          Re: Guido sees the light: PEP 8 updated Michael Selik <michael.selik@gmail.com> - 2016-04-16 09:34 +0000
          Re: Guido sees the light: PEP 8 updated Steven D'Aprano <steve@pearwood.info> - 2016-04-16 22:03 +1000
          Re: Guido sees the light: PEP 8 updated Stephen Hansen <me+python@ixokai.io> - 2016-04-16 05:32 -0700
          Re: Guido sees the light: PEP 8 updated Larry Martell <larry.martell@gmail.com> - 2016-04-16 10:53 -0400
            Re: Guido sees the light: PEP 8 updated Marko Rauhamaa <marko@pacujo.net> - 2016-04-16 19:51 +0300
              Re: Guido sees the light: PEP 8 updated Larry Martell <larry.martell@gmail.com> - 2016-04-16 12:58 -0400
                Re: Guido sees the light: PEP 8 updated BartC <bc@freeuk.com> - 2016-04-16 19:18 +0100
                Re: Guido sees the light: PEP 8 updated Larry Martell <larry.martell@gmail.com> - 2016-04-16 14:53 -0400
                Re: Guido sees the light: PEP 8 updated alex wright <wrightalexw@gmail.com> - 2016-04-16 15:21 -0400
                Re: Guido sees the light: PEP 8 updated Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-16 19:08 -0400
              Re: Guido sees the light: PEP 8 updated Terry Reedy <tjreedy@udel.edu> - 2016-04-16 13:25 -0400
                Re: Guido sees the light: PEP 8 updated Marko Rauhamaa <marko@pacujo.net> - 2016-04-16 21:33 +0300
              Re: Guido sees the light: PEP 8 updated Ethan Furman <ethan@stoneleaf.us> - 2016-04-16 12:07 -0700
              Re: Guido sees the light: PEP 8 updated Ben Finney <ben+python@benfinney.id.au> - 2016-04-17 06:08 +1000
              Re: Guido sees the light: PEP 8 updated Tim Chase <python.list@tim.thechases.com> - 2016-04-16 16:50 -0500
              Re: Guido sees the light: PEP 8 updated Tim Delaney <timothy.c.delaney@gmail.com> - 2016-04-17 08:15 +1000
                Re: Guido sees the light: PEP 8 updated Marko Rauhamaa <marko@pacujo.net> - 2016-04-17 01:30 +0300
                Re: Guido sees the light: PEP 8 updated Ian Kelly <ian.g.kelly@gmail.com> - 2016-04-17 07:38 -0600
              Re: Guido sees the light: PEP 8 updated Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-16 19:02 -0400
                Re: Guido sees the light: PEP 8 updated Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-04-17 00:25 +0100
                Re: Guido sees the light: PEP 8 updated Chris Angelico <rosuav@gmail.com> - 2016-04-17 09:33 +1000
                Re: Guido sees the light: PEP 8 updated Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-04-17 01:29 +0100
                Re: Guido sees the light: PEP 8 updated alex wright <wrightalexw@gmail.com> - 2016-04-16 19:43 -0400
              Re: Guido sees the light: PEP 8 updated Chris Angelico <rosuav@gmail.com> - 2016-04-17 09:11 +1000
              Re: Guido sees the light: PEP 8 updated Grant Edwards <grant.b.edwards@gmail.com> - 2016-04-16 23:19 +0000
              Re: Guido sees the light: PEP 8 updated Tim Chase <python.list@tim.thechases.com> - 2016-04-16 19:12 -0500
              Re: Guido sees the light: PEP 8 updated MRAB <python@mrabarnett.plus.com> - 2016-04-17 01:24 +0100
              Re: Guido sees the light: PEP 8 updated Tim Chase <python.list@tim.thechases.com> - 2016-04-16 20:30 -0500
                Re: Guido sees the light: PEP 8 updated Coos Haak <chforth@hccnet.nl> - 2016-04-17 16:35 +0200
                Re: Guido sees the light: PEP 8 updated Tim Chase <python.list@tim.thechases.com> - 2016-04-17 13:11 -0500
              Re: Guido sees the light: PEP 8 updated Random832 <random832@fastmail.com> - 2016-04-16 21:59 -0400
              Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-16 20:44 -0700
                Re: Guido sees the light: PEP 8 updated Chris Angelico <rosuav@gmail.com> - 2016-04-17 13:49 +1000
                Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-17 18:39 -0700
                Re: Guido sees the light: PEP 8 updated Steven D'Aprano <steve@pearwood.info> - 2016-04-18 13:19 +1000
                Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-17 20:48 -0700
                Re: Guido sees the light: PEP 8 updated David Palao <dpalao.python@gmail.com> - 2016-04-18 13:35 +0200
                Re: Guido sees the light: PEP 8 updated BartC <bc@freeuk.com> - 2016-04-17 11:04 +0100
                Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-17 21:06 -0700
                Re: Guido sees the light: PEP 8 updated Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-04-18 21:03 +1200
                Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-18 04:07 -0700
                Re: Guido sees the light: PEP 8 updated Marko Rauhamaa <marko@pacujo.net> - 2016-04-17 14:01 +0300
                Re: Guido sees the light: PEP 8 updated Chris Angelico <rosuav@gmail.com> - 2016-04-17 21:14 +1000
                Re: Guido sees the light: PEP 8 updated BartC <bc@freeuk.com> - 2016-04-17 13:04 +0100
                Re: Guido sees the light: PEP 8 updated Marko Rauhamaa <marko@pacujo.net> - 2016-04-17 15:10 +0300
                Re: Guido sees the light: PEP 8 updated Ben Finney <ben+python@benfinney.id.au> - 2016-04-18 08:13 +1000
                Re: Guido sees the light: PEP 8 updated Steven D'Aprano <steve@pearwood.info> - 2016-04-18 11:57 +1000
                Re: Guido sees the light: PEP 8 updated Marko Rauhamaa <marko@pacujo.net> - 2016-04-18 11:02 +0300
                Re: Guido sees the light: PEP 8 updated Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-04-18 20:43 +1200
                Re: Guido sees the light: PEP 8 updated Marko Rauhamaa <marko@pacujo.net> - 2016-04-18 12:17 +0300
              Re: Guido sees the light: PEP 8 updated eryk sun <eryksun@gmail.com> - 2016-04-17 00:01 -0500
              Re: Guido sees the light: PEP 8 updated Random832 <random832@fastmail.com> - 2016-04-17 01:10 -0400
              Re: Guido sees the light: PEP 8 updated eryk sun <eryksun@gmail.com> - 2016-04-17 03:14 -0500
              Re: Guido sees the light: PEP 8 updated Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-17 12:13 -0400
              Re: Guido sees the light: PEP 8 updated eryk sun <eryksun@gmail.com> - 2016-04-17 15:24 -0500
              Re: Guido sees the light: PEP 8 updated Michael Torrie <torriem@gmail.com> - 2016-04-17 14:41 -0600
                Re: Guido sees the light: PEP 8 updated Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-04-18 11:56 +1200
                Re: Guido sees the light: PEP 8 updated Random832 <random832@fastmail.com> - 2016-04-17 20:29 -0400
              Re: Guido sees the light: PEP 8 updated Sivan Greenberg <sivan@vitakka.co> - 2016-04-18 16:35 +0300
                Re: Guido sees the light: PEP 8 updated Pete Forman <petef4+usenet@gmail.com> - 2016-04-18 22:14 +0100
                Re: Guido sees the light: PEP 8 updated Ian Kelly <ian.g.kelly@gmail.com> - 2016-04-18 15:29 -0600
                Re: Guido sees the light: PEP 8 updated Pete Forman <petef4+usenet@gmail.com> - 2016-04-18 23:20 +0100
                Re: Guido sees the light: PEP 8 updated Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-04-19 17:39 +1200
                Re: Guido sees the light: PEP 8 updated Ben Finney <ben+python@benfinney.id.au> - 2016-04-19 08:58 +1000
                Re: Guido sees the light: PEP 8 updated sohcahtoa82@gmail.com - 2016-04-18 18:19 -0700
                Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-18 20:04 -0700
                Re: Guido sees the light: PEP 8 updated Random832 <random832@fastmail.com> - 2016-04-18 23:29 -0400
                Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-18 20:54 -0700
                Re: Guido sees the light: PEP 8 updated Random832 <random832@fastmail.com> - 2016-04-19 00:11 -0400
                Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-19 05:55 -0700
                Re: Guido sees the light: PEP 8 updated Random832 <random832@fastmail.com> - 2016-04-19 10:05 -0400
                Re: Guido sees the light: PEP 8 updated Chris Angelico <rosuav@gmail.com> - 2016-04-20 00:13 +1000
                Re: Guido sees the light: PEP 8 updated Pete Forman <petef4+usenet@gmail.com> - 2016-04-19 08:34 +0100
                Re: Guido sees the light: PEP 8 updated Ben Finney <ben+python@benfinney.id.au> - 2016-04-19 18:04 +1000
                Re: Guido sees the light: PEP 8 updated Marko Rauhamaa <marko@pacujo.net> - 2016-04-19 11:09 +0300
                Re: Guido sees the light: PEP 8 updated Chris Angelico <rosuav@gmail.com> - 2016-04-19 18:17 +1000
                Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-19 04:37 -0700
                Re: Guido sees the light: PEP 8 updated Tim Chase <python.list@tim.thechases.com> - 2016-04-19 08:17 -0500
                Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-19 07:10 -0700
                Re: Guido sees the light: PEP 8 updated Grant Edwards <grant.b.edwards@gmail.com> - 2016-04-19 14:15 +0000
                Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-19 07:54 -0700
                Re: Guido sees the light: PEP 8 updated Steven D'Aprano <steve@pearwood.info> - 2016-04-20 01:50 +1000
                Re: Guido sees the light: PEP 8 updated Steven D'Aprano <steve@pearwood.info> - 2016-04-20 01:58 +1000
                Re: Guido sees the light: PEP 8 updated Larry Martell <larry.martell@gmail.com> - 2016-04-19 13:06 -0400
                Re: Guido sees the light: PEP 8 updated alister <alister.ware@ntlworld.com> - 2016-04-19 17:13 +0000
                Re: Guido sees the light: PEP 8 updated Chris Angelico <rosuav@gmail.com> - 2016-04-20 00:24 +1000
                Re: Guido sees the light: PEP 8 updated Steven D'Aprano <steve@pearwood.info> - 2016-04-20 02:14 +1000
                Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-19 09:46 -0700
                Re: Guido sees the light: PEP 8 updated Tim Chase <python.list@tim.thechases.com> - 2016-04-19 12:43 -0500
                Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-19 11:05 -0700
                Re: Guido sees the light: PEP 8 updated Random832 <random832@fastmail.com> - 2016-04-19 14:54 -0400
                Re: Guido sees the light: PEP 8 updated Steven D'Aprano <steve@pearwood.info> - 2016-04-20 10:34 +1000
                Re: Guido sees the light: PEP 8 updated Random832 <random832@fastmail.com> - 2016-04-19 22:02 -0400
                Re: Guido sees the light: PEP 8 updated Steven D'Aprano <steve@pearwood.info> - 2016-04-20 11:38 +1000
                Re: Guido sees the light: PEP 8 updated Chris Angelico <rosuav@gmail.com> - 2016-04-20 12:21 +1000
                Re: Guido sees the light: PEP 8 updated Terry Reedy <tjreedy@udel.edu> - 2016-04-19 23:23 -0400
                Re: Guido sees the light: PEP 8 updated Chris Angelico <rosuav@gmail.com> - 2016-04-20 13:41 +1000
                Re: Guido sees the light: PEP 8 updated Terry Reedy <tjreedy@udel.edu> - 2016-04-20 02:08 -0400
                Re: Guido sees the light: PEP 8 updated wxjmfauth@gmail.com - 2016-04-20 00:48 -0700
                Re: Guido sees the light: PEP 8 updated Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2016-04-20 10:24 +0100
                Re: Guido sees the light: PEP 8 updated Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2016-04-20 10:26 +0100
                Re: Guido sees the light: PEP 8 updated Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-20 07:51 -0400
                Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-19 21:04 -0700
                Re: Guido sees the light: PEP 8 updated Ben Finney <ben+python@benfinney.id.au> - 2016-04-20 06:50 +1000
                Re: Guido sees the light: PEP 8 updated Chris Angelico <rosuav@gmail.com> - 2016-04-20 06:59 +1000
                Re: Guido sees the light: PEP 8 updated Marko Rauhamaa <marko@pacujo.net> - 2016-04-20 00:35 +0300
                Re: Guido sees the light: PEP 8 updated Steven D'Aprano <steve@pearwood.info> - 2016-04-20 11:03 +1000
                Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-19 21:13 -0700
                Re: Guido sees the light: PEP 8 updated Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-04-20 18:39 +1200
                Re: Guido sees the light: PEP 8 updated sohcahtoa82@gmail.com - 2016-04-19 14:43 -0700
                Re: Guido sees the light: PEP 8 updated Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-19 19:20 -0400
                Re: Guido sees the light: PEP 8 updated Grant Edwards <grant.b.edwards@gmail.com> - 2016-04-19 23:22 +0000
                Re: Guido sees the light: PEP 8 updated Chris Angelico <rosuav@gmail.com> - 2016-04-20 09:33 +1000
                Re: Guido sees the light: PEP 8 updated Tim Chase <python.list@tim.thechases.com> - 2016-04-19 19:02 -0500
                Re: Guido sees the light: PEP 8 updated Steven D'Aprano <steve@pearwood.info> - 2016-04-20 10:32 +1000
                Re: Guido sees the light: PEP 8 updated Random832 <random832@fastmail.com> - 2016-04-19 21:57 -0400
                Re: Guido sees the light: PEP 8 updated wxjmfauth@gmail.com - 2016-04-19 01:49 -0700
                Re: Guido sees the light: PEP 8 updated Paul Rudin <paul.nospam@rudin.co.uk> - 2016-04-19 11:49 +0100
                Re: Guido sees the light: PEP 8 updated Marko Rauhamaa <marko@pacujo.net> - 2016-04-19 14:47 +0300
                Re: Guido sees the light: PEP 8 updated Rustom Mody <rustompmody@gmail.com> - 2016-04-19 05:06 -0700
                Re: Guido sees the light: PEP 8 updated Marko Rauhamaa <marko@pacujo.net> - 2016-04-19 15:14 +0300
                Re: Guido sees the light: PEP 8 updated Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-04-19 15:07 +0200
                Re: Guido sees the light: PEP 8 updated Tim Chase <python.list@tim.thechases.com> - 2016-04-19 08:31 -0500
                Re: Guido sees the light: PEP 8 updated Chris Angelico <rosuav@gmail.com> - 2016-04-19 23:41 +1000
                Re: Guido sees the light: PEP 8 updated Tim Chase <python.list@tim.thechases.com> - 2016-04-19 08:50 -0500
                Re: Guido sees the light: PEP 8 updated Alice Bevan–McGregor <alice@gothcandy.com> - 2016-04-19 10:45 -0400
          Falsehoods People Believe about PEP 8 (was: Guido sees the light: PEP 8 updated) Ben Finney <ben+python@benfinney.id.au> - 2016-04-17 06:21 +1000
          Re: Falsehoods People Believe about PEP 8 (was: Guido sees the light: PEP 8 updated) Chris Angelico <rosuav@gmail.com> - 2016-04-17 06:31 +1000
          Re: Falsehoods People Believe about PEP 8 (was: Guido sees the light: PEP 8 updated) Random832 <random832@fastmail.com> - 2016-04-16 16:44 -0400
            Re: Falsehoods People Believe about PEP 8 (was: Guido sees the light: PEP 8 updated) Dan Sommers <dan@tombstonezero.net> - 2016-04-16 21:22 +0000
              Re: Falsehoods People Believe about PEP 8 (was: Guido sees the light: PEP 8 updated) Chris Angelico <rosuav@gmail.com> - 2016-04-17 07:34 +1000
                Re: Falsehoods People Believe about PEP 8 (was: Guido sees the light: PEP 8 updated) Dan Sommers <dan@tombstonezero.net> - 2016-04-16 23:35 +0000
                Re: Falsehoods People Believe about PEP 8 (was: Guido sees the light: PEP 8 updated) Steven D'Aprano <steve@pearwood.info> - 2016-04-17 11:48 +1000
                Re: Falsehoods People Believe about PEP 8 (was: Guido sees the light: PEP 8 updated) Dan Sommers <dan@tombstonezero.net> - 2016-04-17 03:52 +0000
            Re: Falsehoods People Believe about PEP 8 (was: Guido sees the light: PEP 8 updated) Steven D'Aprano <steve@pearwood.info> - 2016-04-17 11:38 +1000
          Re: Falsehoods People Believe about PEP 8 (was: Guido sees the light: PEP 8 updated) Chris Angelico <rosuav@gmail.com> - 2016-04-18 05:45 +1000

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