__slots__¶. The tp_init slot is exposed in Python as the __init__() method. Etiquetas:pyboqtpyqtpyqt5pysidepyside2qtQt for pythonqt5tutorial qt ") if __name__ == '__main__ Un slot puede ser cualquier callable Python. Objetos tipo¶. Se agregó el Las versiones de Python anteriores a. Here we can change this by using the special variable __slots__. On a bit Linux build, an instance with two attributes takes 48 bytes with __slots__ and bytes without. . 3. Perhaps one of the most important structures of the Python object system is the structure that defines a new type: the PyTypeObject structure. dir() returns a list of valid attributes for an object including methods and attributes defined in the object's class and base classes. It is used to initialize an object after it's created. Saves memory. This flyweight. Initializers always accept positional. vars. It increases the time. PEP , Coincidencia de patrones estructurales: Tutorial clases de datos¶. Python defaultly uses a dict to store the class instance values.