[Tutor] Good approach regarding classes attributes

[Sydney Shall]

On 09/09/2014 16:05, Joel Goldstick wrote:
> On Tue, Sep 9, 2014 at 10:02 AM, Sydney Shall <s.shall at virginmedia.com> wrote:
>> On 09/09/2014 15:44, Peter Otten wrote:
>>
>> Sydney Shall wrote:
>>
>> On 08/09/2014 18:39, Alan Gauld wrote:
>>
>> On 08/09/14 15:17, Juan Christian wrote:
>>
>> One tiny tweak...
>>
>> class User():
>>
>> You don't need the parens after User. You don;t have any superclasses
>> so they do nothing. Python convention for an empty parent list is just
>> to leave the parens off:
>>
>> class User:
>>
>> A simple question from a newbie, in response to this surprise.
>> Is it not helpful to always put (object) as the parent, if the class is
>> not itself a sub-class?
>>
>> The answer differs between Python 2 and 3. In Python 3
>>
>> class C: # preferred in Python 3
>>      pass
>>
>> and
>>
>> class C(object):
>>      pass
>>
>> are the same, so there is no point adding the explicit object inheritance.
>>
>> In Python 2 however
>>
>> class C:
>>      pass
>>
>> will create a "classic class" whereas
>>
>> class C(object): # preferred in Python 2
>>      pass
>>
>> is a "newstyle class". The most notable difference between these is that
>> properties work correctly only with newstyle classes. Therefore making all
>> your classes "newstyle" is a good idea.
>>
>> And while I am writing, what does OP stand for in this list?
>>
>> Original Poster, as Leam says.
>>
>>
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>> Thanks Peter, most helpful.
>> I was taught with Python 2.7, so  now I understand the advice.
>>
>>
>> --
>> Sydney Shall
>>
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> Please post in plain text
>
My apologies. I thought I was. I will immediately change it.

-- 
Sydney Shall
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