/usr/lib/python3/dist-packages/designateclient/warlock.py is in python3-designateclient 2.9.0-0ubuntu1.
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 Brian Waldon
#
# 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.
#
# Code copied from Warlock, as warlock depends on jsonschema==0.2
# Hopefully we can upstream the changes ASAP.
#
import copy
import logging
import jsonschema
import six
LOG = logging.getLogger(__name__)
class InvalidOperation(RuntimeError):
pass
class ValidationError(ValueError):
pass
def model_factory(schema):
"""Generate a model class based on the provided JSON Schema
:param schema: dict representing valid JSON schema
"""
schema = copy.deepcopy(schema)
def validator(obj):
"""Apply a JSON schema to an object"""
try:
jsonschema.validate(obj, schema, cls=jsonschema.Draft3Validator)
except jsonschema.ValidationError as e:
raise ValidationError(str(e))
class Model(dict):
"""Self-validating model for arbitrary objects"""
def __init__(self, *args, **kwargs):
d = dict(*args, **kwargs)
# we overload setattr so set this manually
self.__dict__['validator'] = validator
try:
self.validator(d)
except ValidationError as e:
raise ValueError('Validation Error: %s' % str(e))
else:
dict.__init__(self, d)
self.__dict__['changes'] = {}
def __getattr__(self, key):
try:
return self.__getitem__(key)
except KeyError:
raise AttributeError(key)
def __setitem__(self, key, value):
mutation = dict(self.items())
mutation[key] = value
try:
self.validator(mutation)
except ValidationError as e:
raise InvalidOperation(str(e))
dict.__setitem__(self, key, value)
self.__dict__['changes'][key] = value
def __setattr__(self, key, value):
self.__setitem__(key, value)
def clear(self):
raise InvalidOperation()
def pop(self, key, default=None):
raise InvalidOperation()
def popitem(self):
raise InvalidOperation()
def __delitem__(self, key):
raise InvalidOperation()
# NOTE(termie): This is kind of the opposite of what copy usually does
def copy(self):
return copy.deepcopy(dict(self))
def update(self, other):
# NOTE(kiall): It seems update() doesn't update the
# self.__dict__['changes'] dict correctly.
mutation = dict(self.items())
mutation.update(other)
try:
self.validator(mutation)
except ValidationError as e:
raise InvalidOperation(str(e))
dict.update(self, other)
def iteritems(self):
return six.iteritems(copy.deepcopy(dict(self)))
def items(self):
return list(six.iteritems(copy.deepcopy(dict(self))))
def itervalues(self):
return six.itervalues(copy.deepcopy(dict(self)))
def keys(self):
return list(six.iterkeys(copy.deepcopy(dict(self))))
def values(self):
return list(six.itervalues(copy.deepcopy(dict(self))))
@property
def changes(self):
return copy.deepcopy(self.__dict__['changes'])
Model.__name__ = str(schema['title'])
return Model
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