File size: 666 Bytes
26e6f31 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | import decimal
import json
import math
from aws_lambda_powertools.shared.functions import dataclass_to_dict, is_dataclass, is_pydantic, pydantic_to_dict
class Encoder(json.JSONEncoder):
"""Custom JSON encoder to allow for serialization of Decimals, Pydantic and Dataclasses.
It's similar to the serializer used by Lambda internally.
"""
def default(self, obj):
if isinstance(obj, decimal.Decimal):
return math.nan if obj.is_nan() else str(obj)
if is_pydantic(obj):
return pydantic_to_dict(obj)
if is_dataclass(obj):
return dataclass_to_dict(obj)
return super().default(obj)
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