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To: python-list@python.org
From: Peter Otten <__peter__@web.de>
Subject: Re: Nice solution wanted: Hide internal interfaces
Date: Mon, 29 Oct 2012 18:17:56 +0100
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Xref: csiph.com comp.lang.python:32407

Johannes Bauer wrote:

> On 29.10.2012 17:52, Grant Edwards wrote:
> 
>> By "decleare them privide" do you mean using __ASDF__ name-munging?
>> 
>> It sounds to me like you're just making life hard on yourself.
> 
> Gaaaaaah, you are right. I just noticed that using the single underscore
> (as I do) does not restrict usage in any "non-natural" way. I was
> actually mixing this up in my head with the __xyz__ name-munging.

Name-munging occurs only if the method name starts but doesn't end with 
"__":

>>> class A(object): pass
... 
>>> class B(A):
...     __before = __between__ = __ = 42
... 
>>> set(dir(B)) - set(dir(A))
set(['__', '_B__before', '__between__'])