pattern-singleton 1.0.0

My implementation of Singleton Design Pattern based on metaclass method.

Pattern Singleton

Description

My implementation of Singleton Design Pattern based on metaclass method.

• Free software: MIT license

• Documentation: https://pattern-singleton.readthedocs.io.

Installation

Just use (No other package is needed):

$ pip install patternSingleton

Example Usage

from patternSingleton import Singleton


class Example(metaclass=Singleton):
    def __init__(self):
        self.variable = 1


if __name__ == '__main__':
    example_01 = Example()
    example_02 = Example()

    print(example_01.variable)  # displays 1
    print(example_02.variable)  # displays 1

    example_01.variable = 2     # changes value for every instance of Example class

    print(example_01.variable)  # displays 2
    print(example_02.variable)  # displays 2

Credits

This package was created by Marcin Mysliwiec with Cookiecutter and the audreyr/cookiecutter-pypackage project template.

History

0.1.0 (2020-10-20)

• Refactor patternSingleton to pattern_singleton