On 23 May 2013, at 7:52 PM, Matt <mjwat...@gmail.com> wrote:
> Thanks for your response.
>
> Unfortunately that example isn't quite the same as how json is processed from
> the body in main.py. I.e. it's using cStringIO I think.
Right. That's why I think it'd be useful to see what body.read() returns
(reading the cStringIO stream).
>
> I can put together an example that highlights this I guess.
>
> On Friday, May 24, 2013 12:53:14 PM UTC+12, Jonathan Lundell wrote:
> On 23 May 2013, at 5:35 PM, Matt <mjwa...@gmail.com> wrote:
>> Hi there,
>>
>> I'm using Version 2.4.6-stable+timestamp.2013.05.17.14.52.19, Running on
>> mac, Python 2.7.2, no external JSON library installed.
>>
>> Sending the following data via PUT, application/json; charset=UTF-8:
>>
>> {"id": 3}
>>
>> results in a JSON parser error occurring at main.py:
>>
>> if is_json:
>> try:
>> logging.info('before') <--- my addition
>> json_vars = sj.load(body)
>> logging.info('after') <--- my addition
>> body.seek(0)
>> except Exception, e: <--- my addition
>> logging.exception(e) <--- my addition
>> # incoherent request bodies can still be parsed "ad-hoc"
>> json_vars = {}
>> pass
>> # update vars and get_vars with what was posted as json
>> request.get_vars.update(json_vars)
>> request.vars.update(json_vars)
>>
>> INFO 2013-05-24 00:07:21,100 main.py:337] before
>> INFO 2013-05-24 00:07:21,100 main.py:338] <module 'json' from
>> '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/__init__.py'>
>> ERROR 2013-05-24 00:07:21,100 main.py:346] No JSON object could be decoded
>> Traceback (most recent call last):
>> File "/Projects/www/app/gluon/main.py", line 340, in parse_get_post_vars
>> json_vars = sj.load(body)
>> File
>> "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/__init__.py",
>> line 278, in load
>> **kw)
>> File
>> "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/__init__.py",
>> line 326, in loads
>> return _default_decoder.decode(s)
>> File
>> "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/decoder.py",
>> line 366, in decode
>> obj, end = self.raw_decode(s, idx=_w(s, 0).end())
>> File
>> "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/decoder.py",
>> line 384, in raw_decode
>> raise ValueError("No JSON object could be decoded")
>>
>> Appears to be related to the id() function for some reason, as changing the
>> attribute name to anything other than "id" works fine.
>>
>> Help on built-in function id in module __builtin__:
>>
>> id(...)
>>
>> id(object) -> integer
>>
>> Return the identity of an object. This is guaranteed to be unique among
>> simultaneously existing objects. (Hint: it's the object's memory
>> address.)
>>
>> If I explicitly force it to use contrib.simplejson. i.e. change the top of
>> main.py
>>
>> try:
>> import simplejson as sj #external installed library
>> except:
>> try:
>> import contrib.simplejson as sj #pure python library <--- Pasted.
>> except:
>> import contrib.simplejson as sj #pure python library
>>
>> I get the same result.
>>
>> Any ideas?
>>
>
> FWIW, json.loads('{"id": 3}') works fine.
>
> I'd try logging body.read() before the json.load call, and see what json is
> actually getting. You could follow that with body.seek(0) if you want, but
> since it's going to crash anyway...
>
> --
>
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