It seems like I'm missing something, but here's what I'm trying to do:

In creating a Form object, I'm setting size limit validation
(max_length). I'd like to recover the value for that from the
corresponding Model's Field's max_length. So basically I want a symbol
lookup that will inspect in the options of a field I have defined for
a model, without having an instance of the model, just it's type.

This is to avoid the 2 having to share a common separately defined
constant, or just using an integer that I have to coordinate in both
places, or in place of always using auto forms.

eg

class MyModel(Model):
     myfield = CharField(max_length=128)

------

class MyForm(Form):
     myfield = CharField(max_length=**GET.FROM.MODEL**)

I assume that by using the Meta:  model = logic in Form for auto form,
that this is being done, but it wasn't obvious to me how.

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