Use fields() instead. . If a class attribute is found that is a user-defined function object, it is transformed into an instance method object whose __self__ attribute. Here we can change this by using the special variable __slots__. This module provides a decorator and functions for automatically adding generated special methods such as __init__() and __repr__() to user-defined classes. slot? #!/usr/bin/python class Persona: __slots__ = ('nombre', "apellido", "edad") def __init__(self, nombre, apellido, edad): self. e. class Candidate(metaclass=[HOST]a): __slots__ = ("__name", "__sex", "__age") @[HOST]ctmethod def __init__(self, name, sex="F", age. [HOST] › library › dataclasses. course: Gain foundational knowledge. desperdicia un montón de memoria RAM y Python no puede class MiClase(object): __slots__ = ['nombre. Don't forget about __slots__ in Python! course: 'Generative AI with Large Language Models'. Python defaultly uses a dict to store the class instance values. To determine whether a field contains a default value, dataclasses will call the descriptor's __get__ method using its class access form (i. En Python cualquier clase tiene atributos de instancia. If a class attribute is found that is a user-defined function object, it is transformed into an instance method object whose __self__ attribute is the instance. It. To be able to determine inherited slots, base class __slots__. It. Therefore, do not use __slots__ to retrieve the field names of a dataclass.