January 2015
Intermediate to advanced
212 pages
4h 22m
English
Content preview from Mastering Python Design PatternsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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A software example
The Django framework uses decorators to a great extent. An example is the View decorator. Django's View decorators can be used for [j.mp/djangodec]:
- Restricting access to views based on the HTTP request
- Controlling the caching behavior on specific views
- Controlling compression on a per-view basis
- Controlling caching based on specific HTTP request headers
The Grok framework also uses decorators for achieving different goals such as [j.mp/grokdeco]:
- Registering a function as an event subscriber
- Protecting a method with a specific permission
- Implementing the Adapter pattern
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