Now both the abort function and HTTPError class will accept an extra_data argument, and the value (dict) will add to the error response body (top-level).

@app.get('/')
def missing():
    abort(404, message='nothing', extra_data={'code': '123', 'status': 'not_found'})

error response:

{
    "message": "nothing",
    "detail": "",
    "code": "123",
    "status": "not_found"
}

• fixes Support passing extra fields in error response #125

Checklist:

• Add tests that demonstrate the correct behavior of the change. Tests should fail without the change.
• Add or update relevant docs, in the docs folder and in code docstring.
• Add an entry in CHANGES.md summarizing the change and linking to the issue and your username.
• Add *Version changed* or *Version added* note in any relevant docs and docstring.
• Run pytest and tox, no tests failed.