53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
# Copyright 2012 Brian Waldon
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Core Warlock functionality"""
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import copy
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from . import model
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from jsonschema.validators import validator_for
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def model_factory(schema, base_class=model.Model, name=None, resolver=None):
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"""Generate a model class based on the provided JSON Schema
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:param schema: dict representing valid JSON schema
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:param name: A name to give the class, if `name` is not in `schema`
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"""
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schema = copy.deepcopy(schema)
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resolver = resolver
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class Model(base_class):
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def __init__(self, *args, **kwargs):
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self.__dict__["schema"] = schema
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self.__dict__["resolver"] = resolver
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cls = validator_for(self.schema)
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if resolver is not None:
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self.__dict__["validator_instance"] = cls(schema, resolver=resolver)
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else:
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self.__dict__["validator_instance"] = cls(schema)
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base_class.__init__(self, *args, **kwargs)
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if resolver is not None:
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Model.resolver = resolver
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if name is not None:
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Model.__name__ = name
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elif "name" in schema:
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Model.__name__ = str(schema["name"])
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return Model
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