[Grok-dev] it is really necessary to use __new__?

[Christian Theune]

Philipp von Weitershausen wrote:
> Martijn Faassen wrote:
>> Hi there,
>>
>> I think it'd be a valuable if we could keep grok base classes as free
>> of magic as we can. Instead, our magic should be done during grokking.
>> Therefore I'm asking whether it's really necessary to add a __new__ to
>> grok.Model? Couldn't it pull out the fields during grok time?
> 
> It's not setting fields, it's setting default values (None) on the
> instance. Apart from the question whether something could be done at
> grok time or not, I wonder why it does that. It's not necessary for
> instances to have the attributes that are edited in an EditForm.

It's not? I always encountered formlib to fail on editforms if the
instance doesn't have the attributes.  And so did Wolfgang.

Christian

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