从Anurag Uniyal和Lennart Regebro的答案中总结出我自己的尝试和线索对我来说最有效：
def todict(obj, classkey=None):
if isinstance(obj, dict):
data = {}
for (k, v) in obj.items():
data[k] = todict(v, classkey)
return data
elif hasattr(obj, "_ast"):
return todict(obj._ast())
elif hasattr(obj, "__iter__") and not isinstance(obj, str):
return [todict(v, classkey) for v in obj]
elif hasattr(obj, "__dict__"):
data = dict([(key, todict(value, classkey))
for key, value in obj.__dict__.items()
if not callable(value) and not key.startswith('_')])
if classkey is not None and hasattr(obj, "__class__"):
data[classkey] = obj.__class__.__name__
return data
else:
return obj
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