Python __slots__

python __slots__

In Python, what is the purpose of __slots__ and what are the cases one should avoid. In this case, the special read-only attribute __self__ is set to the object denoted by The __slots__ declaration takes a sequence of instance variables and. Slots in Python: A way to prevent the dynamical creation of attributes and to save memory space The attributes of objects are stored in a dictionary " __ dict __ ". Instead of having a dynamic dict that allows adding attributes to objects at anytime, there is a static structure which does not allow additions after creation. A class definition is read into a separate namespace and the value of class name is bound to the result of type name, bases, dict. See the documentation of the gc module for information on controlling the collection of cyclic garbage. These represent a mutable set. Python C extensions python __slots__

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