Reader small image

You're reading from  Functional Python Programming, 3rd edition - Third Edition

Product typeBook
Published inDec 2022
PublisherPackt
ISBN-139781803232577
Edition3rd Edition
Right arrow
Author (1)
Steven F. Lott
Steven F. Lott
author image
Steven F. Lott

Steven Lott has been programming since computers were large, expensive, and rare. Working for decades in high tech has given him exposure to a lot of ideas and techniques, some bad, but most are helpful to others. Since the 1990s, Steven has been engaged with Python, crafting an array of indispensable tools and applications. His profound expertise has led him to contribute significantly to Packt Publishing, penning notable titles like "Mastering Object-Oriented," "The Modern Python Cookbook," and "Functional Python Programming." A self-proclaimed technomad, Steven's unconventional lifestyle sees him residing on a boat, often anchored along the vibrant east coast of the US. He tries to live by the words “Don't come home until you have a story.”
Read more about Steven F. Lott

Right arrow

15.5 Summary

In this chapter, we looked at ways in which we can apply functional design to the problem of serving content with REST-based web services. We looked at how the WSGI standard leads to somewhat functional overall applications. We also looked at how we can embed a more functional design into a WSGI context by extracting elements from the request for use by our application functions.

For simple services, the problem often decomposes into three distinct operations: getting the data, searching or filtering, and then serializing the results. We tackled this with three functions: raw_data(), anscombe_filter(), and serialize(). We wrapped these functions in a simple WSGI-compatible application to divorce the web services from the real processing around extracting and filtering the data.

We also looked at the way that web services’ functions can focus on the happy path and assume that all of the inputs are valid. If inputs are invalid, the ordinary Python exception handling...

lock icon
The rest of the page is locked
Previous PageNext Page
You have been reading a chapter from
Functional Python Programming, 3rd edition - Third Edition
Published in: Dec 2022Publisher: PacktISBN-13: 9781803232577

Author (1)

author image
Steven F. Lott

Steven Lott has been programming since computers were large, expensive, and rare. Working for decades in high tech has given him exposure to a lot of ideas and techniques, some bad, but most are helpful to others. Since the 1990s, Steven has been engaged with Python, crafting an array of indispensable tools and applications. His profound expertise has led him to contribute significantly to Packt Publishing, penning notable titles like "Mastering Object-Oriented," "The Modern Python Cookbook," and "Functional Python Programming." A self-proclaimed technomad, Steven's unconventional lifestyle sees him residing on a boat, often anchored along the vibrant east coast of the US. He tries to live by the words “Don't come home until you have a story.”
Read more about Steven F. Lott