26 lines
678 B
Python
26 lines
678 B
Python
from .field import Field
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from .model import Model
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class Function(Field):
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def __init__(self, field, getter=None):
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self.field = field
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self.getter = getter
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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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# si se indica `field` se adiciona
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# como campo del modelo, esto es
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# que se serializa a xml
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inst._fields[self.name] = self.field
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if self.getter is not None:
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value = self._call(inst, self.getter, self.name, self.field)
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if value is not None:
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self.field.__set__(inst, value)
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return self.field
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