Am 19.08.2010 20:53, schrieb Tim Chase:
> On 08/19/10 12:42, Steven D'Aprano wrote:
>> On Thu, 19 Aug 2010 11:00:03 -0400, Alex Hall wrote:
>>
>>> def __eq__(self, obj):
>>> if self.a==obj.a and self.b==obj.b: return True
>>> return False
>>
>> That would be the same as:
>>
>> def __eq__(self, obj):
>> return self.a==obj.a and self.b==obj.b
>
> Or, if you have lots of attributes and 2.5+
>
> def __eq__(self, other):
> return all(
> getattr(self, attr) == getattr(other, attr)
> for attr in ['a', 'b', 'c', ...]
> )
>
> or even something like
>
> def __eq__(self, other):
> return all(
> getattr(self, attr) == getattr(other, attr)
> for attr in dir(self)
> if not attr.startswith("__") and not attr.endswith("__")
> )
>
or simpler if you don't take slots and class attributes into account.
def __eq__(self, other):
return self.__dict__ == other.__dict__
Christian
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