I'm currently working on several projects that provide a JSON API using WebOb. Currently, however, whenever we use a webob.exc exception to return an error to the user (e.g., webob.exc.HTTPBadRequest) the body of that message is always in a content-type other than what they're expecting (HTML if they don't specify an Accept header, plain-text otherwise). There doesn't seem to be a pleasant, convenient, or simple way to make it use JSON beyond something like (the untested) following code:
This is particularly problematic because we have to redefine all of the exceptions we want to use to doubly inherit from our new sub-classed WSGIHTTPException and the original. It also doesn't handle the fact that we have to basically copy and paste generate_response into our subclass so that we set the appropriate content-type header.
Is it too much to ask to either:
A) Add support for JSON response bodies in WSGIHTTPExceptions, or
B) Make WSGIHTTPException slightly more modular so we can only override parts we need?
Thanks in advance,
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