detect key conflict in a JSON file

[rusi]

On May 29, 6:41 pm, Jabba Laci <jabba.l... at gmail.com> wrote:
> > The real answer here is that JSON is probably not the best choice for
> > large files that get hand-edited.  For data that you intend to hand-edit
> > a lot, YAML might be a better choice.
>
> >> Currently the value of the second key silently overwrites the value of
> >> the first.
>
> Thanks but how would it be different with YAML? Can YAML check duplicate keys?
>
> How to process (read) YAML files in Python? Can you give me some hints
> how to get started? All I need is read it in and create a dictionary
> of it.
>
> Thanks,
>
> Laszlo

There seems to be a suggested patch for duplicate-detection here
http://pyyaml.org/ticket/128