heat.objects.fields.
Json
[source]¶Bases: oslo_versionedobjects.fields.FieldType
coerce
(obj, attr, value)[source]¶This is called to coerce (if possible) a value on assignment.
This method should convert the value given into the designated type, or throw an exception if this is not possible.
Param:obj: | The VersionedObject on which an attribute is being set |
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Param:attr: | The name of the attribute being set |
Param:value: | The value being set |
Returns: | A properly-typed value |
from_primitive
(obj, attr, value)[source]¶This is called to deserialize a value.
This method should deserialize a value from the form given by to_primitive() to the designated type.
Param:obj: | The VersionedObject on which the value is to be set |
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Param:attr: | The name of the attribute which will hold the value |
Param:value: | The serialized form of the value |
Returns: | The natural form of the value |
to_primitive
(obj, attr, value)[source]¶This is called to serialize a value.
This method should serialize a value to the form expected by from_primitive().
Param:obj: | The VersionedObject on which the value is set |
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Param:attr: | The name of the attribute holding the value |
Param:value: | The natural form of the value |
Returns: | The serialized form of the value |
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