Retrieve JSON in a DELETE request

Question

I'm trying to receive a JSON via DELETE to a cherrypy server using:

@cherrypy.tools.json_in()
def delete(self):
    data = cherrypy.request.json

But I always get an error (Looks like cherrypy just throw the json away...). Is there a way to retrieve the json?

I googled around and saw some people saying sending a DELETE with body is wrong, but the specs don't say anything.

there is nothing wrong in sending response body on DELETE request. Make sure you respond with response code 200. See stackoverflow.com/questions/6581285/… — K.M.
@rubchick I'm trying to send a json to a cherrypy server, but when I try to access the json in the server, I get an error. — MNV
You at least need to tell CherryPy that DELETE might have a body via request.methods_with_bodies. See example at docs.cherrypy.org/en/latest/… — fumanchu
@fumanchu That works! If you make an answer I'll gladly accept it! — MNV

Bastien B Bastien B · Accepted Answer · 2022-07-28T16:44:43

Since the official documentation is not on cherrypy.org anymore, here is the new one.

By default request is parameter as follow:

request.methods_with_bodies = ('POST', 'PUT', 'PATCH')

TO allow a body for a DELETE http method you need to add DELETE to the above tuple.

If you use a class base dispatch:

import cherrypy

class SetOPages:

    _cp_config = {"request.methods_with_bodies": ('POST', 'PUT', 'PATCH', 'DELETE')}

    @cherrypy.expose
    def page(self):
        return "Hello, World!"

if you use a classic def dispatcher:

import cherrypy

@cherrypy.expose
def page(self):
    return "Hello, world!"
page._cp_config = {"request.methods_with_bodies": ('POST', 'PUT', 'PATCH', 'DELETE')}

Retrieve JSON in a DELETE request

2 Answers