Re: New user's initial thoughts / criticisms of Python

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Date	2013-11-11 14:29 -0800
Subject	Re: New user's initial thoughts / criticisms of Python
From	Mark Janssen <dreamingforward@gmail.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.2402.1384208960.18130.python-list@python.org> (permalink)

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On Mon, Nov 11, 2013 at 3:32 AM, Chris Angelico <rosuav@gmail.com> wrote:
> On Mon, Nov 11, 2013 at 10:17 PM, Steven D'Aprano
> <steve+comp.lang.python@pearwood.info> wrote:
>> On Mon, 11 Nov 2013 21:39:27 +1100, Chris Angelico wrote:
>>> denormalizes it into a lookup table by creating 70 entries quoting the
>>> first string, 15 quoting the second, 5, and 10, respectively.
>>
>> Ewww :-(
>>
>> Imagine having to print out the dict looking for an error in the lookup
>> table. Or imagine the case where you have:
>>
>> 0...20000: do this
>> 20001...890001: do that
>> 890001...890003: do something else
>>
>> Don't get me wrong, it's a clever and reasonable solution for your
>> specific use-case. But I'd much rather have a lookup table variant that
>> matches on intervals.
>
> Of course it's "Ewww" in isolation :) But just imagine there are piles
> and piles of these tables, themselves keyed by keyword, and I want to
> be able to let untrusted people create tables (which means they
> basically have to be data, not code). Also, bear in mind, all the
> tables are based around dice that can be physically rolled, so none
> has more than 100 entries after denormalization. Quite a lot of the
> tables actually have unique entries per value (eg it's a d10 roll,
> with ten unique outputs), so it's simplest to just turn all the tables
> into that format; that way, the main code needs worry about one type
> only, and the preprocessor handles the denormalization.

Hmm, I automatically think of creating a hash function, but then
that's how Python implements keys in dicts, so a dict is fine
solution.

-- 
MarkJ
Tacoma, Washington

Thread

New user's initial thoughts / criticisms of Python John von Horn <j.h69@btinternet.com> - 2013-11-09 07:08 -0600
  Re: New user's initial thoughts / criticisms of Python Ned Batchelder <ned@nedbatchelder.com> - 2013-11-09 05:22 -0800
  Re: New user's initial thoughts / criticisms of Python Joshua Landau <joshua@landau.ws> - 2013-11-09 13:27 +0000
    Re: New user's initial thoughts / criticisms of Python Jonathan <jtcegh@gmail.com> - 2013-11-09 14:44 -0800
      Re: New user's initial thoughts / criticisms of Python Chris Angelico <rosuav@gmail.com> - 2013-11-10 10:29 +1100
      Re: New user's initial thoughts / criticisms of Python MRAB <python@mrabarnett.plus.com> - 2013-11-10 00:50 +0000
      Re: New user's initial thoughts / criticisms of Python Chris Angelico <rosuav@gmail.com> - 2013-11-10 11:54 +1100
      Re: New user's initial thoughts / criticisms of Python Neil Cerutti <neilc@norwich.edu> - 2013-11-11 15:30 +0000
    Re: New user's initial thoughts / criticisms of Python Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2013-11-10 13:24 +0100
  Re: New user's initial thoughts / criticisms of Python Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-09 13:41 +0000
  Re: New user's initial thoughts / criticisms of Python Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2013-11-09 16:24 +0200
  Re: New user's initial thoughts / criticisms of Python Chris Angelico <rosuav@gmail.com> - 2013-11-10 01:27 +1100
    Sandboxing Python [was Re: New user's initial thoughts / criticisms of Python] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-11-09 15:25 +0000
      Re: Sandboxing Python [was Re: New user's initial thoughts / criticisms of Python] Chris Angelico <rosuav@gmail.com> - 2013-11-10 02:32 +1100
    Re: New user's initial thoughts / criticisms of Python Jorgen Grahn <grahn+nntp@snipabacken.se> - 2013-11-10 08:47 +0000
      Re: New user's initial thoughts / criticisms of Python Chris Angelico <rosuav@gmail.com> - 2013-11-10 20:22 +1100
      Re: New user's initial thoughts / criticisms of Python Ian Kelly <ian.g.kelly@gmail.com> - 2013-11-10 04:39 -0700
      Re: New user's initial thoughts / criticisms of Python Chris Angelico <rosuav@gmail.com> - 2013-11-10 22:43 +1100
      Re: New user's initial thoughts / criticisms of Python Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-11-10 12:12 -0500
      Re: New user's initial thoughts / criticisms of Python Chris Angelico <rosuav@gmail.com> - 2013-11-11 10:29 +1100
      Re: New user's initial thoughts / criticisms of Python Terry Reedy <tjreedy@udel.edu> - 2013-11-10 19:13 -0500
  Re: New user's initial thoughts / criticisms of Python rusi <rustompmody@gmail.com> - 2013-11-09 07:38 -0800
    Re: New user's initial thoughts / criticisms of Python Roy Smith <roy@panix.com> - 2013-11-09 10:56 -0500
      Re: New user's initial thoughts / criticisms of Python rusi <rustompmody@gmail.com> - 2013-11-09 08:30 -0800
        Re: New user's initial thoughts / criticisms of Python Rick Johnson <rantingrickjohnson@gmail.com> - 2013-11-10 21:36 -0800
          Re: New user's initial thoughts / criticisms of Python Roy Smith <roy@panix.com> - 2013-11-11 09:01 -0500
            Re: New user's initial thoughts / criticisms of Python rusi <rustompmody@gmail.com> - 2013-11-11 07:14 -0800
            Re: New user's initial thoughts / criticisms of Python Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-11-11 21:05 -0500
            Re: New user's initial thoughts / criticisms of Python Ethan Furman <ethan@stoneleaf.us> - 2013-11-12 14:38 -0800
  Re: New user's initial thoughts / criticisms of Python John von Horn <j.h69@btinternet.com> - 2013-11-09 14:19 -0600
  Re: New user's initial thoughts / criticisms of Python Tim Chase <python.list@tim.thechases.com> - 2013-11-09 14:39 -0600
  Re: New user's initial thoughts / criticisms of Python Mark Janssen <dreamingforward@gmail.com> - 2013-11-09 12:33 -0800
    Re: New user's initial thoughts / criticisms of Python Ned Batchelder <ned@nedbatchelder.com> - 2013-11-09 12:54 -0800
      Re: New user's initial thoughts / criticisms of Python Mark Janssen <dreamingforward@gmail.com> - 2013-11-09 13:21 -0800
  Re: New user's initial thoughts / criticisms of Python Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-09 21:01 +0000
  Re: New user's initial thoughts / criticisms of Python Tim Chase <python.list@tim.thechases.com> - 2013-11-09 15:20 -0600
  Re: New user's initial thoughts / criticisms of Python lorenzo.gatti@gmail.com - 2013-11-11 02:09 -0800
    Re: New user's initial thoughts / criticisms of Python Chris Angelico <rosuav@gmail.com> - 2013-11-11 21:39 +1100
      Re: New user's initial thoughts / criticisms of Python Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-11-11 11:17 +0000
        Re: New user's initial thoughts / criticisms of Python Chris Angelico <rosuav@gmail.com> - 2013-11-11 22:32 +1100
        Re: New user's initial thoughts / criticisms of Python Mark Janssen <dreamingforward@gmail.com> - 2013-11-11 14:29 -0800
    Re: New user's initial thoughts / criticisms of Python Robert Kern <robert.kern@gmail.com> - 2013-11-11 11:53 +0000
    Re: New user's initial thoughts / criticisms of Python Chris Angelico <rosuav@gmail.com> - 2013-11-11 23:07 +1100
    Re: New user's initial thoughts / criticisms of Python Joshua Landau <joshua@landau.ws> - 2013-11-11 20:50 +0000
    Re: New user's initial thoughts / criticisms of Python Chris Angelico <rosuav@gmail.com> - 2013-11-12 09:21 +1100
    Re: New user's initial thoughts / criticisms of Python Joshua Landau <joshua@landau.ws> - 2013-11-12 01:53 +0000

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