import json
from json import JSONDecoder
from json import JSONEncoder

class PrintJSON(object):
    name = None
    pass
printJson = PrintJSON()
printJson.name = "This is test"


jd = JSONDecoder()
print(jd.decode(str(printJson)))

But getting error:-
Traceback (most recent call last):
  File "C:/Users/jagdeep/test/json_test2.py",

File "C:\Users\jagdeep\test\json_test.py", line 70, in <module>
<json_test.PrintJson object at 0x000000000262AF28>    print jsd.decode(printJson)
Now try to use json decode
  File "C:\Python27\lib\json\decoder.py", line 366, in decode

import json
from json import JSONDecoder

class TestJson():
    name = None
    pass

printJson = PrintJson()
print printJson
print JSONDecoder.decode(printJson)