I am developping a JSON API with Python Flask. What I want is to always return JSON, with a error message indicating any error that occured. That API also only accept JSON data in the POST body, but Flask by default return a HTML error 400 if it can't read the data as JSON. Preferably, I d also like to not force the user to send the Content-Type header, and if raw or text content-type, try to parse the body as JSON nonetheless. In short, I need a way to validate that the POST body's is JSON, and handle the error myself. I've read about adding decorator to request to do that, but no comprehensive example. Continue reading...
