Set attributes on class from a dict

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I successfully implemented a Descriptor to clean up my code and it worked fine so far. At this moment my code looks basically like this

class ABC:
  att1 = Descriptor(arg1)
  att2 = Descriptor(arg2)
  att3 = Descriptor(arg3)

However, to further reduce repititions, Id like to do something like this

class ABC:
  att_arg = {'att1':arg1,
             'att2':arg2,
             'att3':arg3}

  for att, arg in att_arg.items():
     setattr(ABC, att, Descriptor(arg))

but this leads to a NameError: name 'ABC' is not defined. Already thought about a wrapper class to do this, but does anyone know an elegant solution to this?

python-descriptors python-3.x
1 Answers

What about do it in the constructor? From there you can use self object to set the attributes:

class ABC:
    ATTR_ARG = {'att1':arg1,
                'att2':arg2,
                'att3':arg3}

    def __init__(self):
        for attr, arg in ATTR_ARG.items():
            setattr(self, attr, Descriptor(arg))
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