Hey, Miguel Amazing presentations. Especially the REST one. It's an eye-opener and it really shows many flaws in popular services' REST APIs, especially the HATEOAS part. Honestly, the only REST API closest to HATEOAS was Github's - https://api.github.com/ and it's still not nearly as good as the one you showed. Also, I'm sorry for your loss. I admire your courage and strength to carry out the presentation despite the unfortunate turn of events. Stay strong and keep teaching us more. Regards, Anton

I am very sorry for your loss. Many thanks for all the great tutorials!

Filtering resource collection works very well! But I found a problem when I decorate the route with marshal_with, it will return the OrderDict instead of query object. So I had to do something like that to get over it class StudentList(restful.Resource): @marshal_with(student_fields) def get(self): @collection(Student) def filter(self): return Student.query return filter(self).all()

@Liang: I haven't tested how the collection decorator works with Flask-RESTful. I don't know what changes you've made to your collection decorator, but my original version will probably not work as you coded it, since the return value is a Python dictionary with the data, not a query that you can execute by calling all(). I honestly find the pluggable views in Flask and Flask-RESTful difficult to work with when using decorators, I prefer the plain old view functions. I encapsulate my resources at the module level instead of at the class level.

To Miguel God knows I did. The respect you And allow me to get out of the subject and tell you a little thought in the religion of Islam This is what I love for myself. Therefore I advise you to do Because death is close to us all.

Hi Miguel, Great blog! I've found your blog very helpful learning Flask!!! And I'm very thankful by that... I wanna make you a question: how do I get the "http" cli command? I've being using curl and it's a little pain in the #$%$#. ;-) Thanks!

@Leo: the "http" command line client is called "httpie". It is a Python package, you can install it with pip: "pip install httpie".

Is there an introduction for Pyramid devs trying to move on to Flask? Does your book maybe serve this purpose? Best

@VD: You don't need instructions tailored specifically to the framework you know to pick up Flask, the general tutorial/book/videos should give you what you need.

I love the way you use Git! The incremental versions :) That's a really nice way of teaching things.

Hi, Miguel. I recently purchased your Flask book and I think that it is excellent. I am learning a lot as I work through it. Thank you for putting so much effort in to the material. I plan to watch these videos soon!

Miguel, many thanks for all this learning material on Flask: really appreciated!! I would like to do production Machine Learning (the prediction part to be more precise) with an app where I submit the object features as JSON object to a Python based server, launch the predictor part and get back a JSON object with the classifier or whatever I am trying to get. I am thinking Flask to be the right environment to be the server. The actual web app, I would do with Angular and running out of a different server (I like Angular ;-). What is your recommendation to me on this? Is this good for significant type of traffic? Are there any tutorials out there where I can get inspired on how to embed a Python script with the model (incl scikit-learn etc.)?

@Peter: Flask is definitely a good choice for an API based on your description. As far as Flask is concerned you can import and use any packages or libraries that you need, so you can just import your prediction code and use it like you use it on non-web apps. I would separate the API from the actual work, maybe by putting the ML part in a Celery worker. This will allow your API to not block when it starts one of these prediction jobs. The article on Celery here on my blog will show you how you can work with asynchronous tasks.

Hi, I really liked you presentation on the Rest API, especialy the hyper media part, I think this should be strictly followed as this would greatly help the advent of IOT. After watching this presentation I did some research and found this http://developer.mailchimp.com/documentation/mailchimp/reference/lists/members/#create-post_lists_list_id_members this is the api for mailchimp, I think It follows all the 6 conditions described and would help the future readers who want some real world examples of hypermedia implementation

Hola Miguel, En primer lugar siento la perdida de tu madre. Te acompaño en el sentimiento. En relación con tu charla, como todo el material que generas, simplemente genial. Para los que estamos aprendiendo es un material de un valor incalculable. En mi proyecto personal actual estoy construyendo una API REST para mi afición (radioafición) en la que un servicio de radio interactua con la informática para tener una base de datos de usuarios. El proyecto es una especie de CRUD con esteroides :) Por favor, sigue así de educativo y toda la ayuda e información sobre el desarrollo de APIs es mas que bienvenida. Un abrazo desde España. Jonathan

Do you have an example of using PATCH in a RESTful API with Flask? There seems to be a special way using JSON Pointers to handle PATCH requests. Should I Just stick with PUT instead?

@Carl: PATCH isn't as well defined as PUT. For PUT, the accepted practice is to require a complete resource representation in the body. If you want to support partially updating a resource, then PATCH seems to be preferred. I have implemented partial updated with PUT many times, so I won't point your finger at you if you do that. I recently started using PATCH though. I think a nice specification that includes the use of PATCH is JSON-API. See http://jsonapi.org.