EncodeError exception when encoding python dictionary with integer keys

[RobiIhs]

the actual updated library 1.2.1 throws exception when encoding { 1 : 'a' }
while the older czjson library 1.0.8 was fixed to allow encode of { 1 : 'a' }

thank you

[danpascu]

This is not a bug. The JSON standard only allows object (dictionary) keys to be strings and cjson clearly tells you that in the error message:

In [2]: cjson.encode({1: 'a'})
---------------------------------------------------------------------------
EncodeError                               Traceback (most recent call last)
<ipython-input-2-6990413e0aea> in <module>()
----> 1 cjson.encode({1: 'a'})

EncodeError: JSON encodable dictionaries must have string/unicode keys

In this regard 1.0.8 was in error and it was fixed.

Other json implementations will automatically convert integers to strings, but that means that encoding and then decoding a dictionary like that will result in a different dictionary:

In [3]: json.loads(json.dumps({1: 'a'}))
Out[3]: {u'1': u'a'}

cjson refuses to make assumptions about your intentions and simply signals the error and expects you to fix it by providing data that can be encoded in JSON without errors.