/usr/lib/python2.7/dist-packages/glance/schema.py is in python-glance 1:2014.1.5-0ubuntu1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | # Copyright 2012 OpenStack Foundation.
# 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 jsonschema
import six
from glance.common import exception
class Schema(object):
def __init__(self, name, properties=None, links=None):
self.name = name
if properties is None:
properties = {}
self.properties = properties
self.links = links
def validate(self, obj):
try:
jsonschema.validate(obj, self.raw())
except jsonschema.ValidationError as e:
raise exception.InvalidObject(schema=self.name,
reason=six.text_type(e))
def filter(self, obj):
filtered = {}
for key, value in obj.iteritems():
if self._filter_func(self.properties, key) and value is not None:
filtered[key] = value
return filtered
@staticmethod
def _filter_func(properties, key):
return key in properties
def merge_properties(self, properties):
# Ensure custom props aren't attempting to override base props
original_keys = set(self.properties.keys())
new_keys = set(properties.keys())
intersecting_keys = original_keys.intersection(new_keys)
conflicting_keys = [k for k in intersecting_keys
if self.properties[k] != properties[k]]
if conflicting_keys:
props = ', '.join(conflicting_keys)
reason = _("custom properties (%(props)s) conflict "
"with base properties")
raise exception.SchemaLoadError(reason=reason % {'props': props})
self.properties.update(properties)
def raw(self):
raw = {
'name': self.name,
'properties': self.properties,
'additionalProperties': False,
}
if self.links:
raw['links'] = self.links
return raw
def minimal(self):
minimal = {
'name': self.name,
'properties': self.properties
}
return minimal
class PermissiveSchema(Schema):
@staticmethod
def _filter_func(properties, key):
return True
def raw(self):
raw = super(PermissiveSchema, self).raw()
raw['additionalProperties'] = {'type': 'string'}
return raw
def minimal(self):
minimal = super(PermissiveSchema, self).raw()
return minimal
class CollectionSchema(object):
def __init__(self, name, item_schema):
self.name = name
self.item_schema = item_schema
def raw(self):
return {
'name': self.name,
'properties': {
self.name: {
'type': 'array',
'items': self.item_schema.raw(),
},
'first': {'type': 'string'},
'next': {'type': 'string'},
'schema': {'type': 'string'},
},
'links': [
{'rel': 'first', 'href': '{first}'},
{'rel': 'next', 'href': '{next}'},
{'rel': 'describedby', 'href': '{schema}'},
],
}
def minimal(self):
return {
'name': self.name,
'properties': {
self.name: {
'type': 'array',
'items': self.item_schema.minimal(),
},
'schema': {'type': 'string'},
},
'links': [
{'rel': 'describedby', 'href': '{schema}'},
],
}
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