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# -*- coding: utf8 -*-
# ============LICENSE_START=======================================================
# org.onap.vvp/validation-scripts
# ===================================================================
# Copyright © 2020 AT&T Intellectual Property. All rights reserved.
# ===================================================================
#
# Unless otherwise specified, all software contained herein is licensed
# under the Apache License, Version 2.0 (the "License");
# you may not use this software 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.
#
#
#
# Unless otherwise specified, all documentation contained herein is licensed
# under the Creative Commons License, Attribution 4.0 Intl. (the "License");
# you may not use this documentation except in compliance with the License.
# You may obtain a copy of the License at
#
# https://creativecommons.org/licenses/by/4.0/
#
# Unless required by applicable law or agreed to in writing, documentation
# 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.
#
# ============LICENSE_END============================================
from abc import ABC, abstractmethod
from onap_client.lib import make_request
class Catalog(ABC):
"""Abstract class for an ONAP client, automatically loads
child classes as attributes."""
class CallHandle:
"""Attached as an attribute for each catalog entry in a catalog.
Used to make a request to ONAP."""
def __init__(self, catalog_resource):
self.resource = catalog_resource
def __call__(self, **kwargs):
return make_request(self.resource, **kwargs)
def __init__(self, **kwargs):
"""Iterates through all child classes and attaches them as attributes, named
after the namespace property.
If the child Catalog class has items in the
catalog_resources property, they will be added as attributes to the child attribute
as a CallHandle object.
"""
self.catalog_items = {}
for cls in self.__class__.__subclasses__():
subclass = cls(**kwargs)
namespace = subclass.namespace
catalog_resources = subclass.catalog_resources
for k, v in catalog_resources.items():
subclass.load(k, v)
setattr(self, namespace, subclass)
def load(self, item_name, resource_data):
"""Consume a catalog resource entry as an APICatalogResource,
and set it as an attribute on this.class as a CallHandle object"""
resource = APICatalogResource(item_name, resource_data)
self.catalog_items[item_name] = resource
setattr(self, item_name.lower(), self.CallHandle(resource))
@property
@abstractmethod
def namespace(self):
raise NotImplementedError
@property
@abstractmethod
def catalog_resources(self):
raise NotImplementedError
class APICatalogResource:
"""Class representation of a single catalog entry"""
def __init__(self, catalog_resource_name, resource_data):
"""
:catalog_resource_name: name of the catalog resource
:resource_data: dictionary containing catalog resource attributes
"""
self.catalog_resource_name = catalog_resource_name
self.catalog_resource_data = resource_data
@property
def verb(self):
return self.catalog_resource_data.get("verb", None)
@property
def description(self):
return self.catalog_resource_data.get("description", None)
@property
def uri(self):
return self.catalog_resource_data.get("uri", None)
@property
def payload(self):
return self.catalog_resource_data.get("payload", None)
@property
def uri_parameters(self):
return self.catalog_resource_data.get("uri-parameters", [])
@property
def payload_parameters(self):
return self.catalog_resource_data.get("payload-parameters", [])
@property
def payload_path(self):
return self.catalog_resource_data.get("payload-path", [])
@property
def file_parameters(self):
return self.catalog_resource_data.get("files-parameters", [])
@property
def header_parameters(self):
return self.catalog_resource_data.get("header_parameters", [])
@property
def success_code(self):
return self.catalog_resource_data.get("success_code", None)
@property
def headers(self):
return self.catalog_resource_data.get("headers", None)
@property
def return_data(self):
return self.catalog_resource_data.get("return_data", {})
@property
def auth(self):
return self.catalog_resource_data.get("auth", None)
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