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Repository for Mastering Python Design Patterns: A guide to creating smart, efficient and resuable software by Kamon Ayeva and Sakis Kasampalis

This repo is almost identical to Kamon's own repo:

https://github.com/PacktPublishing/Mastering-Python-Design-Patterns-Second-Edition

But with several error fixed in his code as well as some implementation for his suggested improvements. Also I included some of my own practices with design patterns. Supposed more improvement are yet to be implemented will have TODO notes. I followed more PEP 8 style than Kamon did.

In short. An expansion on Kamon's book which I really enjoy reading.

Important Notes

Kamon's repo is inactive for a few years. Therefore my repo serve as a continuation of his work and fixing bugs or compatibility issues I found. I posted any problems on Issues of his repo and recorded below.

  1. chapter13/interpreter.py

    line 141: arg_str = ' '.join(cmd)

    Trigger the ValueError exception.

    Should be arg_str = ' '.join(arg)

  2. chapter14

    RxPy 3.2.0 Compatibility Issue

    RxPy 3.2.0 made changes that cancelled Observer class. Therefore in chapter14 code need significant update.

    Reflexed in my code in chapter14

  3. chapter15/populate_db.py

    In both setup_db and add_quotes. db = sqlite3.connect('data/quotes.sqlite3') can't declared inside try/except statement. Doing so will raise

    UnboundLocalError: local variable 'db' referenced before assignment

    pull db declaration outside try