70 lines
2.2 KiB
Python
70 lines
2.2 KiB
Python
import datetime
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import decimal
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import uuid
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from rest_framework import serializers
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class Unknown(object):
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pass
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class MethodFieldExampleSerializer(serializers.Serializer):
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"""
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Implementation of SerializerMethodField using type hinting for Python >= 3.5
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"""
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hinted_bool = serializers.SerializerMethodField(
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help_text="the type hint on the method should determine this to be a bool")
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def get_hinted_bool(self, obj) -> bool:
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return True
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hinted_int = serializers.SerializerMethodField(
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help_text="the type hint on the method should determine this to be an integer")
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def get_hinted_int(self, obj) -> int:
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return 1
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hinted_float = serializers.SerializerMethodField(
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help_text="the type hint on the method should determine this to be a number")
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def get_hinted_float(self, obj) -> float:
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return 1.0
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hinted_decimal = serializers.SerializerMethodField(
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help_text="the type hint on the method should determine this to be a decimal")
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def get_hinted_decimal(self, obj) -> decimal.Decimal:
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return decimal.Decimal(1)
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hinted_datetime = serializers.SerializerMethodField(
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help_text="the type hint on the method should determine this to be a datetime")
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def get_hinted_datetime(self, obj) -> datetime.datetime:
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return datetime.datetime.now()
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hinted_date = serializers.SerializerMethodField(
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help_text="the type hint on the method should determine this to be a date")
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def get_hinted_date(self, obj) -> datetime.date:
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return datetime.date.today()
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hinted_uuid = serializers.SerializerMethodField(
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help_text="the type hint on the method should determine this to be a uuid")
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def get_hinted_uuid(self, obj) -> uuid.UUID:
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return uuid.uuid4()
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hinted_unknown = serializers.SerializerMethodField(
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help_text="type hint is unknown, so is expected to fallback to string")
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def get_hinted_unknown(self, obj) -> Unknown:
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return Unknown()
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non_hinted_number = serializers.SerializerMethodField(
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help_text="No hint on the method, so this is expected to fallback to string")
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def get_non_hinted_number(self, obj):
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return 1.0
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