Python __slots__

python __slots__

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 __ ". You can tell Python not to use a dict, and only allocate space for a fixed set of attributes, by settings __slots__ on the class to a fixed list of. __slots__. By default, instances of both old and new-style classes have a dictionary for attribute storage. This wastes space for objects.


Advanced Python or Understanding Python When the function executes a return statement or python __slots__ off the end, a StopIteration exception is raised and the iterator will have reached the end of the set of values to be returned. As such, they cannot be indexed by any subscript. If key is of an inappropriate type, TypeError may be raised; if of a value outside the set of indexes for the royal panda casino after any special interpretation of negative valuesIndexError should be raised. Called to implement operator. The list has to contain all the attributes, you want to use. Its truth value is true. python __slots__