June 2019
Beginner to intermediate
770 pages
19h 24m
English
Content preview from Mastering Object-Oriented Python - Second Edition
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Application software layers
Because of the relative sophistication available when using sqlite3, our application software must become more properly layered. For a REST client, we might look at a software architecture with layers.
When we are building a RESTful server, the presentation layer becomes greatly simplified. It is pared down to the essential request-response processing. It parses URIs and responds with documents in JSON or XML (or some other representation.) This layer should be reduced to a thin RESTful facade over the lower-level features.
In some complex cases, the front-most application, as viewed by human users, involves data from several distinct sources. One easy way to integrate data from diverse sources is to wrap each ...
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