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OOP & classes

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

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OOP & classes medium

Borg pattern shared state in Python

Implement the Borg pattern to share state across class instances by assigning a class-level dictionary to each instance's __dict__.

borg monostate shared-state
Python 
class Borg:
    _shared_state = {}

    def __init__(self):
        self.__dict__ = Borg._shared_state


class ConfigManager(Borg):
    def __init__(self):
        super().__init__()
        if not hasattr(self, "settings"):
            self.settings = {}

    def set(self, key, value):
        self.settings[key] = va…
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