Abstract Factory Design Pattern In Python
Abstract factory design pattern in python back to abstract factory description provide an interface for creating families of related or dependent objects without specifying their concrete classes.
Abstract factory design pattern in python. Import abc class abstractfactory metaclass abc abcmeta. It provides one of the best ways to create an object. I am writing a library to get data from two different stock market servers rest and clean the data. Each of the factory methods creates a different kind of object.
This design pattern comes under the creational design pattern category. Factory method is a creational design pattern which solves the problem of creating product objects without specifying their concrete classes. The abstract factory pattern is also called factory of factories. Abstract factory method is a creational design pattern that allows you to produce the families of related objects without specifying their concrete classes.
The abstract factory pattern looks like the factory objects we ve seen previously with not one but several factory methods. Abstract factory defines an interface for creating all distinct products but leaves the actual product creation to concrete factory classes. Using the abstract factory method we have the easiest ways to produce a similar type of many objects. Factory method defines a method which should be used for creating objects instead of direct constructor call new operator.
The api servers have different end points and they do not return the data in in similar formats. Declare an interface for operations that create abstract product objects. Subclasses can override this method to change the class of objects that will be created. The idea is that at the point of creation of the factory object you decide how all the objects created by that factory will be used.
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