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The Factory Design Pattern is Obsolete in Python

ArjanCodes 107,117 lượt xem 3 years ago
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💡 Learn how to design great software in 7 steps: https://arjan.codes/designguide.

What would the Factory Pattern look like if it was invented today instead of in the 90s? I talk about the design principles behind the Factory Pattern, and how you can achieve the same thing, but even better, by using modern Python features.

If you haven't watched my earlier video about the Factory pattern, here it is: https://youtu.be/s_4ZrtQs8Do.

The code I worked on in this video is available here: https://github.com/ArjanCodes/2021-pythonic-factory.

🎓 ArjanCodes Courses: https://www.arjancodes.com/courses/

🔖 Chapters:
0:00 Intro
1:05 Explaining the example
2:44 Analyzing the Factory pattern
3:56 Using a Protocol class
7:29 Caveats of Protocols
9:24 Using Tuples to create factories
14:29 Caveats of tuples
15:26 Using dataclasses and __call__
22:13 Final thoughts

#arjancodes #softwaredesign #python

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