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encoder.py
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encoder.py
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import numpy as np
import json
class NumpyEncoder(json.JSONEncoder):
""" Custom encoder for numpy data types """
def default(self, obj):
if isinstance(obj, (np.int_, np.intc, np.intp, np.int8,
np.int16, np.int32, np.int64, np.uint8,
np.uint16, np.uint32, np.uint64)):
return int(obj)
elif isinstance(obj, (np.float_, np.float16, np.float32, np.float64)):
return float(obj)
elif isinstance(obj, (np.complex_, np.complex64, np.complex128)):
return {'real': obj.real, 'imag': obj.imag}
elif isinstance(obj, (np.ndarray,)):
return obj.tolist()
elif isinstance(obj, (np.bool_)):
return bool(obj)
elif isinstance(obj, (np.void)):
return None
return json.JSONEncoder.default(self, obj)