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Let JSONEncoder handle Numpy data types.

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json.JSONEncoder cannot serialize Numpy data types. Numpy arrays
and array scalars have a tolist() method which casts the object to
a standard python data type.
This commit is contained in:
David Pretty 2013-09-13 13:36:18 +10:00
parent ea462b7b9b
commit d489c5c881
1 changed files with 2 additions and 0 deletions
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2
rest_framework/utils/encoders.py
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@ -42,6 +42,8 @@ class JSONEncoder(json.JSONEncoder):
return str(o.total_seconds()) return str(o.total_seconds())
elif isinstance(o, decimal.Decimal): elif isinstance(o, decimal.Decimal):
return str(o) return str(o)
elif hasattr(o, 'tolist'):
return o.tolist()
elif hasattr(o, '__iter__'): elif hasattr(o, '__iter__'):
return [i for i in o] return [i for i in o]
return super(JSONEncoder, self).default(o) return super(JSONEncoder, self).default(o)