/usr/lib/python2.7/dist-packages/glanceclient/v2/schemas.py is in python-glanceclient 1:0.12.0-1.
This file is owned by root:root, with mode 0o644.
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# 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.
import copy
import jsonpatch
import warlock.model as warlock
class SchemaBasedModel(warlock.Model):
"""Glance specific subclass of the warlock Model
This implementation alters the function of the patch property
to take into account the schema's core properties. With this version
undefined properties which are core will generated 'replace'
operations rather than 'add' since this is what the Glance API
expects.
"""
@warlock.Model.patch.getter
def patch(self):
"""Return a jsonpatch object representing the delta."""
original = copy.deepcopy(self.__dict__['__original__'])
new = dict(self)
if self.__dict__['schema']:
for prop in self.schema['properties']:
if prop not in original and prop in new:
original[prop] = None
return jsonpatch.make_patch(original, dict(self)).to_string()
class SchemaProperty(object):
def __init__(self, name, **kwargs):
self.name = name
self.description = kwargs.get('description')
def translate_schema_properties(schema_properties):
"""Parse the properties dictionary of a schema document
:returns list of SchemaProperty objects
"""
properties = []
for (name, prop) in schema_properties.items():
properties.append(SchemaProperty(name, **prop))
return properties
class Schema(object):
def __init__(self, raw_schema):
self._raw_schema = raw_schema
self.name = raw_schema['name']
raw_properties = raw_schema['properties']
self.properties = translate_schema_properties(raw_properties)
def is_core_property(self, property_name):
for prop in self.properties:
if property_name == prop.name:
return True
return False
def raw(self):
return copy.deepcopy(self._raw_schema)
class Controller(object):
def __init__(self, http_client):
self.http_client = http_client
def get(self, schema_name):
uri = '/v2/schemas/%s' % schema_name
_, raw_schema = self.http_client.json_request('GET', uri)
return Schema(raw_schema)
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