replacing dict with an OrderedDict

From	Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com>
Newsgroups	comp.lang.python
Subject	replacing __dict__ with an OrderedDict
Date	2012-01-06 10:48 +0100
Message-ID	<hjsit8-j0a.ln1@satorlaser.homedns.org> (permalink)

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Hi!

The topic explains pretty much what I'm trying to do under Python 
2.7[1]. The reason for this is that I want dir(SomeType) to show the 
attributes in the order of their declaration. This in turn should 
hopefully make unittest execute my tests in the order of their 
declaration[2], so that the output becomes more readable and structured, 
just as my test code (hopefully) is.

I've been toying around with metaclasses, trying to replace __dict__ 
directly, or using type() to construct the class, but either I hit 
read-only attributes or the changes seem to be ignored.

As additional thought (but I'm not there yet), I guess that if I want 
dir(some_object) to be ordered similarly, I will also have to perform 
some steps on instance creation, not only on class creation, right?

Thanks for any suggestions!

Uli


[1] I'm stuck with 2.x for now, from what I found it would be easier 
using 3.x.

[2] No, don't tell me that the tests should run in any order. It's not 
the case that my tests depend on each other, but if one basic test for 
the presence of an API fails, the elaborate tests using that API will 
obviously fail, too, and I just want to take the first test that fails 
and analyse that instead of guessing the point to start debugging from 
the N failed tests.

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replacing __dict__ with an OrderedDict Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com> - 2012-01-06 10:48 +0100
  Re: replacing __dict__ with an OrderedDict Lie Ryan <lie.1296@gmail.com> - 2012-01-06 22:43 +1100
    Re: replacing __dict__ with an OrderedDict Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com> - 2012-01-06 14:36 +0100
      Re: replacing __dict__ with an OrderedDict Lie Ryan <lie.1296@gmail.com> - 2012-01-07 04:01 +1100
        Re: replacing __dict__ with an OrderedDict Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-01-07 00:45 +0000
      Re: replacing __dict__ with an OrderedDict Ian Kelly <ian.g.kelly@gmail.com> - 2012-01-06 10:20 -0700
        Re: replacing __dict__ with an OrderedDict Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-01-07 00:49 +0000
          Re: replacing __dict__ with an OrderedDict Lie Ryan <lie.1296@gmail.com> - 2012-01-07 12:21 +1100
          Re: replacing __dict__ with an OrderedDict Ian Kelly <ian.g.kelly@gmail.com> - 2012-01-06 18:24 -0700
            Re: replacing __dict__ with an OrderedDict Eelco <hoogendoorn.eelco@gmail.com> - 2012-01-08 14:03 -0800
              Re: replacing __dict__ with an OrderedDict Lie Ryan <lie.1296@gmail.com> - 2012-01-09 23:10 +1100
                Re: replacing __dict__ with an OrderedDict Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com> - 2012-01-09 14:16 +0100
                Re: replacing __dict__ with an OrderedDict Lie Ryan <lie.1296@gmail.com> - 2012-01-10 23:31 +1100
                Re: replacing __dict__ with an OrderedDict Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com> - 2012-01-10 18:21 +0100
        Re: replacing __dict__ with an OrderedDict Roy Smith <roy@panix.com> - 2012-01-09 09:35 -0500
          Re: replacing __dict__ with an OrderedDict Neil Cerutti <neilc@norwich.edu> - 2012-01-09 14:52 +0000
          Re: replacing __dict__ with an OrderedDict Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com> - 2012-01-09 17:59 +0100
            Re: replacing __dict__ with an OrderedDict Ian Kelly <ian.g.kelly@gmail.com> - 2012-01-09 10:30 -0700
            Re: replacing __dict__ with an OrderedDict Roy Smith <roy@panix.com> - 2012-01-09 20:05 -0500
              Re: replacing __dict__ with an OrderedDict Terry Reedy <tjreedy@udel.edu> - 2012-01-09 23:21 -0500
              Re: replacing __dict__ with an OrderedDict Lie Ryan <lie.1296@gmail.com> - 2012-01-10 23:22 +1100
                Re: replacing __dict__ with an OrderedDict Roy Smith <roy@panix.com> - 2012-01-10 09:05 -0500
                Re: replacing __dict__ with an OrderedDict Lie Ryan <lie.1296@gmail.com> - 2012-01-11 02:57 +1100
                Re: replacing __dict__ with an OrderedDict Roy Smith <roy@panix.com> - 2012-01-10 21:47 -0500
                Re: replacing __dict__ with an OrderedDict Tim Wintle <tim.wintle@teamrubber.com> - 2012-01-10 15:45 +0000
            Re: replacing __dict__ with an OrderedDict Lie Ryan <lie.1296@gmail.com> - 2012-01-10 23:46 +1100
      Re: replacing __dict__ with an OrderedDict Lie Ryan <lie.1296@gmail.com> - 2012-01-07 04:42 +1100
  Re: replacing __dict__ with an OrderedDict Peter Otten <__peter__@web.de> - 2012-01-06 12:44 +0100
    Re: replacing __dict__ with an OrderedDict Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com> - 2012-01-06 14:40 +0100
      Re: replacing __dict__ with an OrderedDict Ian Kelly <ian.g.kelly@gmail.com> - 2012-01-06 09:06 -0700
        Re: replacing __dict__ with an OrderedDict alex23 <wuwei23@gmail.com> - 2012-01-08 20:58 -0800
      Re: replacing __dict__ with an OrderedDict Ian Kelly <ian.g.kelly@gmail.com> - 2012-01-06 09:07 -0700
      Re: replacing __dict__ with an OrderedDict Arnaud Delobelle <arnodel@gmail.com> - 2012-01-06 21:38 +0000
    Re: replacing __dict__ with an OrderedDict Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com> - 2012-01-18 11:29 +0100
  Re: replacing __dict__ with an OrderedDict Ethan Furman <ethan@stoneleaf.us> - 2012-01-06 06:13 -0800
  Re: replacing __dict__ with an OrderedDict Arnaud Delobelle <arnodel@gmail.com> - 2012-01-06 21:32 +0000

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