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Re: Confusion about decorators

References <jc4vg9$8eo$1@speranza.aioe.org> <mailman.3544.1323697523.27778.python-list@python.org> <jc50ui$c84$1@speranza.aioe.org>
Date 2011-12-12 14:01 +0000
Subject Re: Confusion about decorators
From Arnaud Delobelle <arnodel@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.3545.1323698494.27778.python-list@python.org> (permalink)

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On 12 December 2011 13:52, Henrik Faber <hfaber@invalid.net> wrote:
> On 12.12.2011 14:45, Arnaud Delobelle wrote:
>
>>> Can someone please enlighten me?
>>
>> You can (need to?) use the descriptor protocol to deal with methods.
>>
>> from functools import partial
> [...]
>>        def __get__(self, obj, objtype):
>>                return partial(self, obj)
>
> Whoa. This is absolutely fantastic, it now works as expected (I get a
> reference to "self").
>
> I am very amazed -- I've been programming Python for about 5 years now
> and have never even come close to something as a "descriptor protocol".
> Python never ceases to amaze me. Do you have any beginners guide how
> this works? The Pydoc ("Data Model") is comprehensive, but I really
> don't know where to start to look.

Well, I've been using Python for 10 years :)  The best reference I know is:

http://users.rcn.com/python/download/Descriptor.htm

-- 
Arnaud

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Thread

Confusion about decorators Henrik Faber <hfaber@invalid.net> - 2011-12-12 14:27 +0100
  Re: Confusion about decorators Andrea Crotti <andrea.crotti.0@gmail.com> - 2011-12-12 13:37 +0000
    Re: Confusion about decorators Henrik Faber <hfaber@invalid.net> - 2011-12-12 14:45 +0100
  Re: Confusion about decorators Arnaud Delobelle <arnodel@gmail.com> - 2011-12-12 13:45 +0000
    Re: Confusion about decorators Henrik Faber <hfaber@invalid.net> - 2011-12-12 14:52 +0100
      Re: Confusion about decorators Arnaud Delobelle <arnodel@gmail.com> - 2011-12-12 14:01 +0000
        Re: Confusion about decorators Henrik Faber <hfaber@invalid.net> - 2011-12-12 16:35 +0100

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