30 lines
855 B
Python
30 lines
855 B
Python
from .field import Field
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class Model(Field):
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def __init__(self, model, name=None, namespace=None):
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self.model = model
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self.namespace = namespace
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self.field_name = name
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def __get__(self, inst, cls):
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if inst is None:
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return self
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assert self.name is not None
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return self._create_model(inst)
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def __set__(self, inst, value):
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obj = self._create_model(inst)
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obj._text = str(value)
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def _create_model(self, inst):
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try:
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return inst._fields[self.name]
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except KeyError:
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obj = self.model()
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if self.field_name is not None:
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obj.__name__ = self.field_name
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self._set_namespace(obj, self.namespace, inst.__namespace__)
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inst._fields[self.name] = obj
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return obj
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