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Re: how to get names of attributes

From "Charles T. Smith" <cts.private.yahoo@gmail.com>
Newsgroups comp.lang.python
Subject Re: how to get names of attributes
Date 2015-12-30 12:40 +0000
Organization A noiseless patient Spider
Message-ID <n60jb6$hln$2@dont-email.me> (permalink)
References <n60gfk$b0t$1@dont-email.me>

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On Wed, 30 Dec 2015 11:51:19 +0000, Charles T. Smith wrote:

> Hi,
> 
> How can I get *all* the names of an object's attributes?  I have legacy
> code with mixed new style classes and old style classes and I need to
> write methods which deal with both.  That's the immediate problem, but
> I'm always running into the need to understand how objects are linked,
> in particular when in pdb.  The answers one always sees on StackOverflow
> is that you don't need to understand, understanding is not the pythonic
> way to do things.
> 
> Alternatively, is there are map documented somewhere - more complete
> than python/python-2.7.3-docs-html/library/stdtypes.html?
> highlight=class#special-attributes
> 
> Or, is the code available uncompiled somewhere on my machine?
> 
> Does anyone know *why* the __members__ method was deprecated, to be
> replaced by dir(), which doesn't tell the truth (if only it took an
> optional parameter to say: "be truthful")
> 
> cts


Oh!

Although the referenced doc says:

  "For compatibility reasons, classes are still old-style by default."

is it true that dictionaries are by default always new-style objects?

  (PDB)c6 = { "abc" : 123, "def" : 456}

  (PDB)isinstance (c6, dict)
  True

  (PDB)isinstance (c6, object)
  True

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Thread

how to get names of attributes "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-30 11:51 +0000
  Re: how to get names of attributes Chris Angelico <rosuav@gmail.com> - 2015-12-30 22:58 +1100
  Re: how to get names of attributes "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-30 12:16 +0000
    Re: how to get names of attributes Chris Angelico <rosuav@gmail.com> - 2015-12-30 23:34 +1100
  Re: how to get names of attributes "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-30 12:40 +0000
    Re: how to get names of attributes Chris Angelico <rosuav@gmail.com> - 2015-12-30 23:50 +1100
      Re: how to get names of attributes "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-30 13:31 +0000
        Re: how to get names of attributes Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-12-30 14:16 +0000
        Re: how to get names of attributes Chris Angelico <rosuav@gmail.com> - 2015-12-31 00:45 +1100
    Re: how to get names of attributes Random832 <random832@fastmail.com> - 2015-12-30 12:04 -0500
    Re: how to get names of attributes Chris Angelico <rosuav@gmail.com> - 2015-12-31 09:26 +1100
  Re: how to get names of attributes Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-12-30 14:10 +0000
    Re: how to get names of attributes "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-30 14:50 +0000
  Re: how to get names of attributes Steven D'Aprano <steve@pearwood.info> - 2015-12-31 10:58 +1100
    Re: how to get names of attributes "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-31 10:46 +0000

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