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Commite59b3d1

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Make ReturnDict cachable.Closes#2360.
1 parent9d24809 commite59b3d1

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2 files changed

+27
-0
lines changed

2 files changed

+27
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lines changed

‎rest_framework/utils/serializer_helpers.py‎

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@@ -19,6 +19,11 @@ def copy(self):
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def__repr__(self):
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returndict.__repr__(self)
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def__reduce__(self):
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# Pickling these objects will drop the .serializer backlink,
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# but preserve the raw data.
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return (dict, (dict(self),))
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classReturnList(list):
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"""
@@ -33,6 +38,11 @@ def __init__(self, *args, **kwargs):
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def__repr__(self):
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returnlist.__repr__(self)
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def__reduce__(self):
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# Pickling these objects will drop the .serializer backlink,
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# but preserve the raw data.
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return (list, (list(self),))
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classBoundField(object):
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"""

‎tests/test_serializer.py‎

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@@ -3,6 +3,7 @@
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from .utilsimportMockObject
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fromrest_frameworkimportserializers
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fromrest_framework.compatimportunicode_repr
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importpickle
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importpytest
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@@ -278,3 +279,19 @@ class ExampleSerializer(serializers.Serializer):
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serializer=ExampleSerializer(instance)
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withpytest.raises(AttributeError):
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serializer.data
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classTestCacheSerializerData:
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deftest_cache_serializer_data(self):
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"""
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Caching serializer data with pickle will drop the serializer info,
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but does preserve the data itself.
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"""
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classExampleSerializer(serializers.Serializer):
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field1=serializers.CharField()
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field2=serializers.CharField()
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serializer=ExampleSerializer({'field1':'a','field2':'b'})
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pickled=pickle.dumps(serializer.data)
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data=pickle.loads(pickled)
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assertdata== {'field1':'a','field2':'b'}

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