Category : properties

With my limited understanding of @property,@setter, and @getter, I came up with following code. class BitCounts: sign_bit = 0 exponent_bits = 0 mantissa_bits = 0 _total_bits = 0 @property def total_bits(self): return self._total_bits @total_bits.setter def total_bits(self): self._total_bits = self.sign_bit + self.exponent_bits + self.mantissa_bits class Single(BitCounts): sign_bit = 1 offset = 0x7F exponent_bits = 8 mantissa_bits ..

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It’s a simplified reimplementation of Django deb models. This works (similar to what Django does, although there it’s an attribute, not a property): class ClassPropertyType(type): @property def objects(cls): return cls.init_empty_storage_if_needed() class Model(metaclass=ClassPropertyType): @classmethod def init_empty_storage_if_needed(cls): if not hasattr(cls, "__objects_storage"): cls.__objects_storage = ObjectStorage(cls) return cls.__objects_storage class ObjectStorage: def __init__(self, model_class): pass def all(self): pass Model.objects.all() This: ..

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I have the following class in Python: class Zones(implements(DataLoader)): def __init__(self, loader: GoogleCsvHandler): self._data = self._load_data() self._loader = loader @property def data(self) -> typing.OrderedDict: return self._data @property def loader(self) -> GoogleCsvHandler: return self._loader def _load_data(self): data = self.loader.load() return data def get_dataframe(self) -> pd.DataFrame: return pd.DataFrame() def validate(self) -> bool: return True The problem is ..

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