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Mastering Flask Web Development

You're reading from   Mastering Flask Web Development Build enterprise-grade, scalable Python web applications

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Product type Paperback
Published in Oct 2018
Publisher Packt
ISBN-13 9781788995405
Length 332 pages
Edition 2nd Edition
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Authors (2):
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Jack Stouffer Jack Stouffer
Author Profile Icon Jack Stouffer
Jack Stouffer
Daniel Gaspar Daniel Gaspar
Author Profile Icon Daniel Gaspar
Daniel Gaspar
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Toc

Table of Contents (15) Chapters Close

Preface 1. Getting Started FREE CHAPTER 2. Creating Models with SQLAlchemy 3. Creating Views with Templates 4. Creating Controllers with Blueprints 5. Advanced Application Structure 6. Securing Your App 7. Using NoSQL with Flask 8. Building RESTful APIs 9. Creating Asynchronous Tasks with Celery 10. Useful Flask Extensions 11. Building Your Own Extension 12. Testing Flask Apps 13. Deploying Flask Apps 14. Other Books You May Enjoy

Delete requests

Finally, in the following code we have the DELETE request, which is the simplest of the four supported methods. The main difference with the delete method is that it returns no content, which is the accepted standard with DELETE requests:

@jwt_required
def delete(self, post_id=None):
if post_id:
abort(400)
post = Post.query.get(post_id)
if not post:
abort(404)
if get_jwt_identity() != post.user_id:
abort(401)
db.session.delete(post)
db.session.commit()
return "", 204

Again, we can test using the following:

$ curl -X DELETE -H "Authorization: Bearer $ACCESS"
http://localhost:5000/api/post/102

If everything is successfully deleted, you should receive a 204 status code and nothing should show up.

Before we move on from REST completely, there is one final challenge for you to test your understanding of Flask...

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