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From: Terry Reedy <tjreedy@udel.edu>
Subject: Re: Presenting recursive dict (json_diff)
Date: Thu, 27 Oct 2011 15:49:47 -0400
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On 10/27/2011 4:50 AM, mcepl wrote:
> Hi,
>
> I have here a simple script (https://gitorious.org/json_diff/mainline)
> which makes a diff between two JSON files. So for JSON objects
>
> {
>      "a": 1,
>      "b": 2,
>      "son": {
>          "name": "Jano=C5=A1ek"
>      }
> }
>
> and
>
> {
>      "a": 2,
>      "c": 3,
>      "daughter": {
>          "name": "Maru=C5=A1ka"
>      }
> }
>
> it generates
>
> {
>      "append": {
>          "c": 3,
>          "daughter": {
>              "name": "Maru=C5=A1ka"
>          }
>      },
>      "remove": {
>          "b": 2,
>          "son": {
>              "name": "Jano=C5=A1ek"
>          }
>      },
>      "update": {
>          "a": 2
>      }
> }
>
> (obvious problems with name conflicts between internal keys and the
> investigated keys will be somehow addressed later; any simple Pythonic
> suggestions how?)

Use '_append', etc, much like namedtuple does, for the same reason.

--=20
Terry Jan Reedy