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  1. import datetime
  2. import json
  3.  
  4. def json_debug_handler(obj):
  5.     if not hasattr(obj, 'originalObject'):
  6.         return None
  7.     obj = obj.originalObject
  8.     print("object received:")
  9.     print type(obj)
  10.     print("\n\n")
  11.     if  isinstance(obj, datetime.datetime):
  12.         return obj.isoformat()
  13.     elif isinstance(obj,mDict):
  14.         return {'orig':obj, 'attrs': vars(obj)}
  15.     elif isinstance(obj,mList):
  16.         return {'orig':obj, 'attrs': vars(obj)}
  17.     else:
  18.         return obj
  19.  
  20.  
  21. def debug(obj):
  22.     class Debug:
  23.         def __init__(self,obj):
  24.             self.originalObject = obj
  25.     if obj.__class__ == list:
  26.         return [debug(item) for item in obj]
  27.     elif obj.__class__ == tuple:
  28.         return (debug(item) for item in obj)
  29.     elif obj.__class__ == dict:
  30.         return dict((key,debug(obj[key])) for key in obj)
  31.     else:
  32.         return Debug(obj)
  33.  
  34.  
  35. class mDict(dict):
  36.     pass
  37.  
  38.  
  39. class mList(list):
  40.     pass
  41.  
  42.  
  43. def test_debug_json():
  44.     games = mList(['mario','contra','tetris'])
  45.     games.src = 'console'
  46.     scores = mDict({'dp':10,'pk':45})
  47.     scores.processed = "qunprocessed"
  48.     test_json = { 'games' : games , 'scores' : scores , 'date': datetime.datetime.now() }
  49.     test_json = debug(test_json)
  50.     print(json.dumps(test_json,default=json_debug_handler))
  51.  
  52. if __name__ == '__main__':
  53.     test_debug_json()
  54.  
Success #stdin #stdout 0.1s 8976KB
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stdin
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Standard input is empty
stdout
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object received:
<type 'datetime.datetime'>



object received:
<class '__main__.mList'>



object received:
<class '__main__.mDict'>



{"date": "2013-07-22T23:35:15.202687", "games": {"attrs": {"src": "console"}, "orig": ["mario", "contra", "tetris"]}, "scores": {"attrs": {"processed": "qunprocessed"}, "orig": {"pk": 45, "dp": 10}}}
https://ideone.com/tOloNq
language:
Python (cpython 2.7.16)
created:
11 years ago
visibility:
secret

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