97 lines
2.7 KiB
Python
97 lines
2.7 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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from sushy import exceptions
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def get_resource_identity(resource):
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if resource is None:
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return None
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else:
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return resource.get("@odata.id", None)
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def num_or_none(x):
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"""Given a value x it cast as int, float or None
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:param x: The value to transform and return
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:returns: Either None or x cast to an int/float
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"""
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if x is None:
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return None
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if isinstance(x, (int, float)):
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return x
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try:
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return int(x)
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except ValueError:
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return float(x)
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def get_sub_resource_path_list_by(resource, subresource_name):
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"""Helper function to find a list of subresource path
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:param resource: ResourceBase instance on which the name
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gets queried upon.
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:param subresource_name: name of the resource field contains
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a list of dict to fetch the '@odata.id' from.
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"""
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if not subresource_name:
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raise ValueError('"subresource_name" cannot be empty')
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if not isinstance(subresource_name, list):
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subresource_name = [subresource_name]
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body = resource.json
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for path_item in subresource_name:
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body = body.get(path_item, {})
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if not body:
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raise exceptions.MissingAttributeError(
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attribute="/".join(subresource_name), resource=resource.path
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)
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return [item.get("@data.id") for item in body]
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# TODO(linyang): Use the same function in sushy utils after sushy 1.8.1
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# is released
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def camelcase_to_underscore_joined(camelcase_str):
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"""Convert camelCase string to underscore_joined string
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:param camelcase_str: The camelCase string
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:returns: the equivalent underscore_joined string
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"""
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if not camelcase_str:
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raise ValueError('"camelcase_str" cannot be empty')
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r = camelcase_str[0].lower()
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for i, letter in enumerate(camelcase_str[1:], 1):
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if letter.isupper():
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try:
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if (
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camelcase_str[i - 1].islower()
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or camelcase_str[i + 1].islower()
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):
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r += "_"
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except IndexError:
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pass
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r += letter.lower()
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return r
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