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22 lines
784 B
Python
22 lines
784 B
Python
from django.contrib.postgres.fields import ArrayField
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from django.core.serializers.json import Deserializer, Serializer as Serializer_ # noqa: F401
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from django.utils.encoding import is_protected_type
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# NOTE: Module must contain both Serializer and Deserializer
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class Serializer(Serializer_):
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"""
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Custom extension of Django's JSON serializer to support ArrayFields (see
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https://code.djangoproject.com/ticket/33974).
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"""
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def _value_from_field(self, obj, field):
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value = field.value_from_object(obj)
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# Handle ArrayFields of protected types
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if type(field) is ArrayField:
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if not value or is_protected_type(value[0]):
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return value
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return value if is_protected_type(value) else field.value_to_string(obj)
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