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Message from discussion The "in"-statement
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Devin Jeanpierre  
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 More options Nov 6 2012, 2:56 am
From: Devin Jeanpierre <jeanpierr...@gmail.com>
Date: Tue, 6 Nov 2012 02:55:17 -0500
Local: Tues, Nov 6 2012 2:55 am
Subject: Re: [Python-ideas] The "in"-statement
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On Mon, Nov 5, 2012 at 3:29 PM, Mike Graham <mikegra...@gmail.com> wrote:
> On Mon, Nov 5, 2012 at 2:49 PM, Serhiy Storchaka <storch...@gmail.com> wrote:
>> On 05.11.12 21:28, Markus Unterwaditzer wrote:

>>> I thought it would be neat if i could do::

>>>      in obj:
>>>          first_attr = "value"
>>>          second_attr = "value2"

>>     vars(obj).update(
>>         first_attr="value",
>>         second_attr="value2",
>>         )

>> Or obj.__dict__.update.

> Tinkering with the object's attribute dict directly using either of
> these is extremely error-prone because it does not work for many
> objects and because it circumvents the descriptor protocol.

def update_vars(obj, **kwargs):
    for k, v in kwargs.iteritems():
        setattr(obj, k, v)

update_vars(obj,
    a=b,
    c=d)

-- Devin
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