text: # 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.
  
  """Core Warlock functionality"""
  
  import copy
  
  from . import model
  from jsonschema.validators import validator_for
  
  
  def model_factory(schema, base_class=model.Model, name=None, resolver=None):
      """Generate a model class based on the provided JSON Schema
  
      :param schema: dict representing valid JSON schema
      :param name: A name to give the class, if `name` is not in `schema`
      """
      schema = copy.deepcopy(schema)
      resolver = resolver
  
      class Model(base_class):
          def __init__(self, *args, **kwargs):
              self.__dict__["schema"] = schema
              self.__dict__["resolver"] = resolver
  
              cls = validator_for(self.schema)
              if resolver is not None:
                  self.__dict__["validator_instance"] = cls(schema, resolver=resolver)
              else:
                  self.__dict__["validator_instance"] = cls(schema)
  
              base_class.__init__(self, *args, **kwargs)
  
      if resolver is not None:
          Model.resolver = resolver
  
      if name is not None:
          Model.__name__ = name
      elif "name" in schema:
          Model.__name__ = str(schema["name"])
      return Model
  