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POWhat is your convention to distinguish between object methods to be called by the outside, and object methods to be called by a subclass?
 

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  1. POWhat is your convention to distinguish between object methods to be called by the outside, and object methods to be called by a subclass?
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    <p>I know most of the ins and outs of Python's approach to private variables/members/functions/...</p> <p>However, I can't make my mind up on how to distinguish between methods for external use or subclassing use.</p> <p>Consider the following example:</p> <pre><code>class EventMixin(object): def subscribe(self, **kwargs): '''kwargs should be a dict of event -&gt; callable, to be specialized in the subclass''' def event(self, name, *args, **kwargs): ... def _somePrivateMethod(self): ... </code></pre> <p>In this example, I want to make it clear that subscribe is a method to be used by external users of the class/object, while event is a method that should not be called from the outside, but rather by subclass implementations.</p> <p>Right now, I consider both part of the public API, hence don't use any underscores. However, for this particular situation, it would feel cleaner to, for example, use no underscores for the external API, one underscore for the subclassable API, and two underscores for the private/internal API. However, that would become unwieldy because then the internal API would need to be invoked as</p> <pre><code>self._EventMixin__somePrivateMethod() </code></pre> <p>So, what are your conventions, coding-wise, documentationwise, or otherwise ?</p>
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    1. USThomas Vander Stichele
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    1. CODoes Python not support protected members? Oo
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    2. COThe compiler doesn't enforce protected members. It's done by convention only.
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      1. USBill the Lizard
 

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