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| References | <96c138e4-ab95-4e5f-a0c8-e696b5a926bb@googlegroups.com> <85389pcxn5.fsf@benfinney.id.au> <CAPTjJmoWqRC2EfGtV=-q97XGpXkd=PygZisfTthynr1E860uuw@mail.gmail.com> <85lhnh5enq.fsf@benfinney.id.au> |
|---|---|
| Date | 2014-11-12 13:44 +1100 |
| Subject | Re: I love assert |
| From | Chris Angelico <rosuav@gmail.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.15712.1415760259.18130.python-list@python.org> (permalink) |
On Wed, Nov 12, 2014 at 1:35 PM, Ben Finney <ben+python@benfinney.id.au> wrote: > The more things people need to keep in mind when reading my code that > isn't stated explicitly in the code, the worse I consider the code to > be. Then the ternary if/else operator should also be abolished. track["APIC:"].data if "APIC:" in track else None (With PEP 463, this would be: track["APIC:"].data except KeyError: None But this is from Python 2.7 code, so that was never going to happen anyway.) When you read the if/else version, you need to remember that it's evaluated middle-to-outside rather than outside-to-inside, and more importantly, that the first expression won't be evaluated at all if the key isn't present. So should we treat if/else as a "clever but obfuscatory trick, opposed to that property of Python" too? Or should people just get to know the language they're using? At least with 'assert', it's consistent across all Python programs; with my DEBUG example, it's per-project, as it's custom crafted. ChrisA
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I love assert Peter Cacioppi <peter.cacioppi@gmail.com> - 2014-11-11 11:40 -0800
Re: I love assert Ben Finney <ben+python@benfinney.id.au> - 2014-11-12 07:03 +1100
Re: I love assert Grant Edwards <invalid@invalid.invalid> - 2014-11-11 21:43 +0000
Re: I love assert Ethan Furman <ethan@stoneleaf.us> - 2014-11-11 12:08 -0800
Re: I love assert Rob Gaddi <rgaddi@technologyhighland.invalid> - 2014-11-11 12:20 -0800
Re: I love assert Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-11-11 20:34 +0000
Re: I love assert TP <wingusr@gmail.com> - 2014-11-11 12:57 -0800
Re: I love assert Terry Reedy <tjreedy@udel.edu> - 2014-11-11 17:34 -0500
Re: I love assert Ben Finney <ben+python@benfinney.id.au> - 2014-11-12 09:52 +1100
Re: I love assert Tim Chase <python.list@tim.thechases.com> - 2014-11-11 17:03 -0600
Re: I love assert Peter Cacioppi <peter.cacioppi@gmail.com> - 2014-11-11 15:02 -0800
Re: I love assert Ethan Furman <ethan@stoneleaf.us> - 2014-11-11 15:38 -0800
Re: I love assert Dan Stromberg <drsalists@gmail.com> - 2014-11-11 17:56 -0800
Re: I love assert Chris Angelico <rosuav@gmail.com> - 2014-11-12 13:21 +1100
Re: I love assert Ben Finney <ben+python@benfinney.id.au> - 2014-11-12 13:35 +1100
Re: I love assert Grant Edwards <invalid@invalid.invalid> - 2014-11-12 14:10 +0000
Re: I love assert Chris Angelico <rosuav@gmail.com> - 2014-11-12 13:44 +1100
Re: I love assert wxjmfauth@gmail.com - 2014-11-11 23:14 -0800
Re: I love assert Terry Reedy <tjreedy@udel.edu> - 2014-11-12 03:29 -0500
Re: I love assert Anton <anton.schattenfeld@gmail.com> - 2014-11-12 12:53 -0800
Re: I love assert Marko Rauhamaa <marko@pacujo.net> - 2014-11-12 23:41 +0200
Re: I love assert Ethan Furman <ethan@stoneleaf.us> - 2014-11-12 13:52 -0800
Re: I love assert Marko Rauhamaa <marko@pacujo.net> - 2014-11-12 23:56 +0200
Re: I love assert Ian Kelly <ian.g.kelly@gmail.com> - 2014-11-12 15:04 -0700
Re: I love assert Anton <anschatten@gmail.com> - 2014-11-12 14:13 -0800
Re: I love assert Ian Kelly <ian.g.kelly@gmail.com> - 2014-11-12 15:41 -0700
Re: I love assert Anton <anschatten@gmail.com> - 2014-11-12 14:48 -0800
Re: I love assert Marko Rauhamaa <marko@pacujo.net> - 2014-11-13 01:01 +0200
Re: I love assert Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-11-15 10:40 +1100
Re: I love assert Marko Rauhamaa <marko@pacujo.net> - 2014-11-15 02:12 +0200
Re: I love assert Chris Angelico <rosuav@gmail.com> - 2014-11-15 12:04 +1100
Re: I love assert Marko Rauhamaa <marko@pacujo.net> - 2014-11-15 03:30 +0200
Re: I love assert Chris Angelico <rosuav@gmail.com> - 2014-11-15 12:48 +1100
Re: I love assert Tim Chase <python.list@tim.thechases.com> - 2014-11-14 20:14 -0600
Re: I love assert Chris Angelico <rosuav@gmail.com> - 2014-11-15 13:16 +1100
Re: I love assert albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-11-29 17:35 +0000
Re: I love assert Ian Kelly <ian.g.kelly@gmail.com> - 2014-11-12 16:02 -0700
Re: I love assert Anton <anschatten@gmail.com> - 2014-11-12 15:43 -0800
Re: I love assert Chris Angelico <rosuav@gmail.com> - 2014-11-13 10:10 +1100
Re: I love assert Marko Rauhamaa <marko@pacujo.net> - 2014-11-13 01:23 +0200
Re: I love assert Chris Angelico <rosuav@gmail.com> - 2014-11-13 10:27 +1100
Re: I love assert Marko Rauhamaa <marko@pacujo.net> - 2014-11-13 01:31 +0200
Re: I love assert Ethan Furman <ethan@stoneleaf.us> - 2014-11-12 14:47 -0800
Re: I love assert Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-11-14 22:37 +1100
Re: I love assert Ian Kelly <ian.g.kelly@gmail.com> - 2014-11-14 09:40 -0700
Re: I love assert Ian Kelly <ian.g.kelly@gmail.com> - 2014-11-12 15:07 -0700
Re: I love assert Marko Rauhamaa <marko@pacujo.net> - 2014-11-13 00:47 +0200
Re: I love assert Ethan Furman <ethan@stoneleaf.us> - 2014-11-12 14:56 -0800
Re: I love assert Chris Angelico <rosuav@gmail.com> - 2014-11-13 09:58 +1100
Re: I love assert Ian Kelly <ian.g.kelly@gmail.com> - 2014-11-12 16:05 -0700
Re: I love assert Marko Rauhamaa <marko@pacujo.net> - 2014-11-13 01:12 +0200
Re: I love assert Lie Ryan <lie.1296@gmail.com> - 2014-11-14 01:09 +1100
Re: I love assert Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-11-14 22:33 +1100
Re: I love assert Ethan Furman <ethan@stoneleaf.us> - 2014-11-14 10:18 -0800
Re: I love assert Marko Rauhamaa <marko@pacujo.net> - 2014-11-14 21:12 +0200
Re: I love assert Ethan Furman <ethan@stoneleaf.us> - 2014-11-14 12:41 -0800
Re: I love assert Marko Rauhamaa <marko@pacujo.net> - 2014-11-14 22:50 +0200
Re: I love assert Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-11-15 13:58 +1100
Re: I love assert Ethan Furman <ethan@stoneleaf.us> - 2014-11-14 20:09 -0800
Re: I love assert Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-11-17 13:09 +1100
Re: I love assert Ethan Furman <ethan@stoneleaf.us> - 2014-11-16 19:25 -0800
Re: I love assert Anton <anschatten@gmail.com> - 2014-11-12 14:00 -0800
Re: I love assert Anton <anschatten@gmail.com> - 2014-11-12 14:04 -0800
Re: I love assert Marko Rauhamaa <marko@pacujo.net> - 2014-11-13 00:34 +0200
Re: I love assert Chris Angelico <rosuav@gmail.com> - 2014-11-13 09:43 +1100
Re: I love assert Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-11-14 22:15 +1100
Re: I love assert Richard Riehle <rriehle@itu.edu> - 2014-11-14 14:09 -0800
Decorators (was: Re: I love assert) Marko Rauhamaa <marko@pacujo.net> - 2014-11-15 00:18 +0200
Re: Decorators Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-11-14 22:37 +0000
Re: Decorators Marko Rauhamaa <marko@pacujo.net> - 2014-11-15 00:47 +0200
Re: Decorators (was: Re: I love assert) Richard Riehle <rriehle@itu.edu> - 2014-11-14 18:19 -0800
Re: Decorators (was: Re: I love assert) Mayank Tripathi <oquanox@gmail.com> - 2014-11-15 02:36 +0000
Re: Decorators (was: Re: I love assert) Tim Chase <python.list@tim.thechases.com> - 2014-11-14 20:30 -0600
Re: Decorators Marko Rauhamaa <marko@pacujo.net> - 2014-11-15 09:00 +0200
Re: Decorators Grant Edwards <invalid@invalid.invalid> - 2014-11-15 15:32 +0000
Re: Decorators (was: Re: I love assert) Richard Riehle <rriehle@itu.edu> - 2014-11-14 23:42 -0800
Re: Decorators Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-11-15 13:12 +0000
Re: Decorators Marko Rauhamaa <marko@pacujo.net> - 2014-11-15 15:24 +0200
Re: Decorators Terry Reedy <tjreedy@udel.edu> - 2014-11-15 15:28 -0500
Re: Decorators (was: Re: I love assert) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-11-16 02:39 +1100
Re: I love assert TP <wingusr@gmail.com> - 2014-11-27 01:22 -0800
Re: I love assert alister <alister.nospam.ware@ntlworld.com> - 2014-11-27 09:59 +0000
Re: I love assert Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-11-29 12:30 +1100
Re: I love assert MRAB <python@mrabarnett.plus.com> - 2014-11-29 02:56 +0000
Re: I love assert Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-11-29 20:31 +1100
Re: I love assert Chris Angelico <rosuav@gmail.com> - 2014-11-29 21:40 +1100
Re: I love assert MRAB <python@mrabarnett.plus.com> - 2014-11-29 19:49 +0000
Re: I love assert Chris Angelico <rosuav@gmail.com> - 2014-11-29 14:02 +1100
Re: I love assert Ethan Furman <ethan@stoneleaf.us> - 2014-11-29 14:33 -0800
Re: I love assert Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-11-30 19:18 +1100
Re: I love assert Ethan Furman <ethan@stoneleaf.us> - 2014-11-30 11:34 -0800
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