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OOP & classes

Classes, instances, methods, dataclasses, and object-oriented design in Python.

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OOP & classes easy

How to Build a Fluent Interface with the Builder Pattern in Python

Learn to implement a fluent builder pattern in Python by chaining methods that return self, enabling readable object construction.

builder fluent oop
Python 
class Pizza:
    def __init__(self):
        self.size = None
        self.toppings = []
        self.crust = None

    def set_size(self, size):
        self.size = size
        return self

    def add_topping(self, topping):
        self.toppings.append(topping)
        return self

    def set_crust(self, crust):
…
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