Allow me to provide an example that I have just created and confirmed works
with Python 2.6.6 on Ubuntu 10.10.
-----<cut here>-----
import json
class Order(object):
def __init__(self, oid=None, title=None):
self.oid=oid
self.title=title
def __repr__(self):
return "(oid=%s, title=%s)" % (self.oid, self.title)
def orderdecode(dct):
if 'orderID' in dct:
return Order(dct['orderID'], dct['moduleTitle'])
return dct
order = '[{"orderID": 123334456, "moduleTitle": "Public/Financial D&O
Liability Insurance"}]'
print json.loads(order, object_hook=orderdecode)
-----<cut here>-----
When you run this code, you will get a list (only 1 element long) that
contains an Order object. That order object will have the same data as the
order string. I wrote it using the examples provided at
http://docs.python.org/library/json.html as my basis. Search the page for
"Specializing JSON object decoding".
All of which is a roundabout way of saying the same question again: What's
wrong with using the features provided by the json/simplejson libraries? Is
it just a case of "didn't know" or is there some other reason we don't know
about?
On Fri, Apr 8, 2011 at 6:21 AM, Alessandro Molina <
[email protected]> wrote:
> On Fri, Apr 8, 2011 at 12:07 PM, Daniel Fetchinson
> <[email protected]> wrote:
> > If you have a json object, you probably got it from a python object
> > which was json-able and you serialized it using the json/simplejson
> > module.
>
> That is indeed not actually true, you might be getting the JSON from
> any remote source or different software.
>
> JSONEncode by itself can only encode/decode base types not any kind of
> object.
> I understood that he wants to encode/decode his own objects, which
> would required to subclass the .default method of the JSONEncoder or
> find a way to extract the object as a dict.
>
> > If this is so, what stops the OP from using the
> > json/simplejson module to decode back to python?
> >
>
> As far as I understood his only problem is actually that he has to
> serialize/deserialize objects instead of base types.
>
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>
--
Michael J. Pedersen
My IM IDs: Jabber/[email protected], ICQ/103345809, AIM/pedermj022171
Yahoo/pedermj2002, MSN/[email protected]
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