June 2019
Beginner to intermediate
770 pages
19h 24m
English
Content preview from Mastering Object-Oriented Python - Second Edition
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Aspect-oriented programming
Parts of aspect-oriented programming (AOP) are implemented by decorators in Python. Our purpose here is to leverage a few aspect-oriented concepts to help show the purpose of decorators and mixins in Python. The idea of a cross-cutting concern is central to AOP. While the Wikipedia page (http://en.wikipedia.org/wiki/Cross-cutting_concern) is generally kept up-to-date, older information is available here: https://web.archive.org/web/20150919015041/http://www.aosd.net/wiki/index.php?title=Glossary. The Spring framework provides some ideas; see also https://docs.spring.io/spring-python/1.2.x/sphinx/html/aop.html. There are several common examples of cross-cutting concerns, as follows:
- Logging: We often need to have ...
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