diff options
Diffstat (limited to 'designateclient/warlock.py')
| -rw-r--r-- | designateclient/warlock.py | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/designateclient/warlock.py b/designateclient/warlock.py deleted file mode 100644 index c2c72a8..0000000 --- a/designateclient/warlock.py +++ /dev/null @@ -1,135 +0,0 @@ -# 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 |
