dict is neato torpedo!

Date	2011-06-11 20:32 -0500
From	Andrew Berg <bahamutzero8825@gmail.com>
Subject	__dict__ is neato torpedo!
Newsgroups	comp.lang.python
Message-ID	<mailman.140.1307842367.11593.python-list@python.org> (permalink)

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I'm pretty happy that I can copy variables and their value from one
object's namespace to another object's namespace with the same variable
names automatically:

class simpleObject():
    pass

a = simpleObject()
b = simpleObject()

a.val1 = 1
a.val2 = 2
b.__dict__.update(a.__dict__)
a.val1 = 'a'

>>> a.val1
'a'
>>> a.val2
2
>>> b.val1
1
>>> b.val2
2

The reason I'm posting this is to ask what to watch out for when doing
this. I've seen vague warnings that I don't really understand, and I'm
hoping someone can enlighten me.

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__dict__ is neato torpedo! Andrew Berg <bahamutzero8825@gmail.com> - 2011-06-11 20:32 -0500
  Re: __dict__ is neato torpedo! Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-12 02:13 +0000
    Re: __dict__ is neato torpedo! Andrew Berg <bahamutzero8825@gmail.com> - 2011-06-11 21:28 -0500
      Re: __dict__ is neato torpedo! Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-12 08:47 +0000
        Re: __dict__ is neato torpedo! Hans Mulder <hansmu@xs4all.nl> - 2011-06-12 17:20 +0200

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