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Mastering Flask

You're reading from   Mastering Flask Gain expertise in Flask to create dynamic and powerful web applications

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Product type Paperback
Published in Sep 2015
Publisher Packt
ISBN-13 9781784393656
Length 288 pages
Edition 1st Edition
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Author (1):
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Jack Stouffer Jack Stouffer
Author Profile Icon Jack Stouffer
Jack Stouffer
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Table of Contents (15) Chapters Close

Preface 1. Getting Started 2. Creating Models with SQLAlchemy FREE CHAPTER 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 Index

DELETE requests


Finally, 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:

class PostApi(Resource):
    @marshal_with(post_fields)
    def get(self, post_id=None):
        …

    def post(self, post_id=None):
        …

    def put(self, post_id=None):
        …

    def delete(self, post_id=None):
        if not post_id:
            abort(400)

        post = Post.query.get(post_id)
        if not post:
            abort(404)

        args = post_delete_parser.parse_args(strict=True)
        user = verify_auth_token(args['token'])
        if user != post.user:
            abort(403)

        db.session.delete(post)
        db.session.commit()
        return "", 204

Again, we can test with:

$ curl -X DELETE\
-d "token=<the token>"\
http://localhost:5000/api/post/102

If everything is successfully deleted, you should receive a 204...

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