Re: [Json] Call for real-world examples of how parsers deal with duplicate keys

[Stefan Drees <[e-mail]>]

On 06.06.13 19:41, Paul Hoffman wrote:
> Greetings again. Knowing what current parsers do with duplicate keys might be useful to this discussion. Of course, some people will exclaim "but that's wrong!" to some of what we see, but seeing it may be useful nonetheless.
>
> I propose the following JSON text for the tests:
>
> {"a":1,"a":2}
>
> --Paul Hoffman
>
> ==============================
>
> And I'll start with Python.
>
> from __future__ import print_function
> import json
> a = '{"a":1,"a":2}'
> print(json.loads(a))
>
> # python2.6 keytest.py
> {u'a': 2}
> # python2.7 keytest.py
> {u'a': 2}
> # python3.2 keytest.py
> {'a': 2}
>

and also ruby(1.8.7) and the JSON parser as implemented in the json gem:

$> cat test_json.rb
require 'rubygems'
require 'json'
require 'pp'
pp JSON.parse('{"a":1,"a":2}')

$> ruby ./test_json.rb
{"a"=>2}

All the best,
Stefan.