rsd-lib/rsd_lib/utils.py
leizhang c247f4d837 Add PCIeDevices reference to Chassis for RSD2.1
Change-Id: Idc3304f4074960e9fb922b5d3b0f0ec8b8d8e331
2019-01-17 15:08:04 +08:00

68 lines
1.9 KiB
Python

# Copyright 2017 Intel, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from sushy import exceptions
def get_resource_identity(resource):
if resource is None:
return None
else:
return resource.get('@odata.id', None)
def num_or_none(x):
"""Given a value x it cast as int, float or None
:param x: The value to transform and return
:returns: Either None or x cast to an int/float
"""
if x is None:
return None
if isinstance(x, (int, float)):
return x
try:
return int(x)
except ValueError:
return float(x)
def get_sub_resource_path_list_by(resource, subresource_name):
"""Helper function to find a list of subresource path
:param resource: ResourceBase instance on which the name
gets queried upon.
:param subresource_name: name of the resource field contains
a list of dict to fetch the '@odata.id' from.
"""
if not subresource_name:
raise ValueError('"subresource_name" cannot be empty')
if not isinstance(subresource_name, list):
subresource_name = [subresource_name]
body = resource.json
for path_item in subresource_name:
body = body.get(path_item, {})
if not body:
raise exceptions.MissingAttributeError(
attribute='/'.join(subresource_name), resource=resource.path)
return [item.get('@data.id') for item in body]