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Python API Development Fundamentals

You're reading from   Python API Development Fundamentals Develop a full-stack web application with Python and Flask

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Product type Paperback
Published in Nov 2019
Publisher
ISBN-13 9781838983994
Length 372 pages
Edition 1st Edition
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Authors (3):
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Jack Chan Jack Chan
Author Profile Icon Jack Chan
Jack Chan
Jack Huang Jack Huang
Author Profile Icon Jack Huang
Jack Huang
Ray Chung Ray Chung
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Ray Chung
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Table of Contents (12) Chapters Close

Preface 1. Your First Step FREE CHAPTER 2. Starting to Build Our Project 3. Manipulating a Database with SQLAlchemy 4. Authentication Services and Security with JWT 5. Object Serialization with marshmallow 6. Email Confirmation 7. Working with Images 8. Pagination, Searching, and Ordering 9. Building More Features 10. Deployment Appendix

Image Resizing and Compression

The size of the image will affect the speed of the website. Imagine looking at a picture that's 10 MB in size. If there are 10 pictures on one page, this website will be 100 MB in size, and so it will take a lot of time to get a page. Due to this, a good practice to reduce the size of the image and compress it so that it's around 500 KB in size instead.

In addition, we will also convert the image into JPEG (it has the .JPG file extension). JPEG is an image compression technology that can remove unnoticeable, insignificant details in an image, thus achieving a smaller file size. Besides, it is often regarded as acceptable to have a lower image quality for web use.

In our Smilecook application, we will convert all our uploaded images into JPG format and compress them. We will do this through the Pillow package.

Note

We cannot have a transparent image in JPEG format. If we save an image with the background removed as a JPEG, the background...

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