heat.objects.fields module¶

class heat.objects.fields.Json[source]¶

Bases: 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

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

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

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

class heat.objects.fields.JsonField(**kwargs)[source]¶

Bases: AutoTypedField

AUTO_TYPE = <heat.objects.fields.Json object>¶

class heat.objects.fields.ListField(**kwargs)[source]¶

Bases: AutoTypedField

AUTO_TYPE = <oslo_versionedobjects.fields.List object>¶