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Groups > comp.lang.python > #18067

Re: Type object returned by the re.compile function

References <4efa3f05$0$6546$426a74cc@news.free.fr>
Date 2011-12-27 17:29 -0500
Subject Re: Type object returned by the re.compile function
From Jerry Hill <malaclypse2@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.4158.1325024967.27778.python-list@python.org> (permalink)

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On Tue, Dec 27, 2011 at 4:56 PM, candide <candide@free.invalid> wrote:
>>>> import re
>>>> reo = re.compile('')
>>>> reo.__class__
> Traceback (most recent call last):
>  File "<stdin>", line 1, in <module>
> AttributeError: __class__
>>>>

I'm not going to comment on what type is returned from the various
functions in the re module, mostly because all I have installed
locally is 2.6, and I'm not sure if anything has changed in 2.7 or
3.2.

Instead, I will recommend a different tool for your  toolbox.  Take a
look at the type() builtin function (
http://docs.python.org/library/functions.html#type ).  Particularly,
instead of inspecting reo.__class__ in your example above, you can
print out type(reo).

At a guess, those objects are missing the __class__ attribute,
possibly because they are old style classes.

-- 
Jerry

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Thread

Type object returned by the re.compile function candide <candide@free.invalid> - 2011-12-27 22:56 +0100
  Re: Type object returned by the re.compile function Jerry Hill <malaclypse2@gmail.com> - 2011-12-27 17:29 -0500
  Re: Type object returned by the re.compile function Ian Kelly <ian.g.kelly@gmail.com> - 2011-12-27 15:31 -0700

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