262f96e160
Add a class capable of handling lists of fields in resource
body JSON. This is a general purpose class, and is being added
for use in the rsd-lib sushy extension as there are JSON responses
such as {"Initiator": [{"iSCSI": 1}, {"iSCSI": 2}]} that need to
be handled.
Change-Id: Ia5976d8646162e8558dc63584f89e4a3cabbf1f2
49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
# Copyright 2017 Intel, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import copy
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from sushy.resources import base
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class FieldList(base.CompositeField):
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"""Base class for fields consisting of a list of several sub-fields."""
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def _load(self, body, resource, nested_in=None):
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"""Load the field list.
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:param body: parent JSON body.
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:param resource: parent resource.
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:param nested_in: parent resource name (for error reporting only).
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:returns: a new list object containing subfields.
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"""
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nested_in = (nested_in or []) + self._path
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values = base.Field._load(self, body, resource)
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if values is None:
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return None
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# Initialize the list that will contain each field instance
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instances = []
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for value in values:
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instance = copy.copy(self)
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for attr, field in self._subfields.items():
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# Hide the Field object behind the real value
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setattr(instance, attr, field._load(value,
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resource,
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nested_in))
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instances.append(instance)
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return instances
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