Coverage for girder/utility/model_importer : 96%

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#!/usr/bin/env python # -*- coding: utf-8 -*-
############################################################################### # Copyright 2013 Kitware Inc. # # 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. ###############################################################################
# We want the models to essentially be singletons, so we keep this centralized # cache of instantiated models that have been lazy-loaded.
""" Helper method to convert module name to class name. """
global _modelInstances
except ImportError: # pragma: no cover raise Exception('Could not load model "{}".'.format(module))
except AttributeError: # pragma: no cover raise Exception('Incorrect model class name "{}" for model "{}".' .format(className, module))
""" Force reloading of all models by clearing the singleton cache. This is used by the test suite to ensure that indices are built properly at startup. """ global _modelInstances
""" Any class that wants to have convenient model importing semantics should extend/mixin this class. """ """ Call this to get the instance of the specified model. It will be lazy-instantiated.
:param model: The name of the model to get. This is the module name, e.g. "folder". The class name must be the upper-camelcased version of that module name, e.g. "Folder". :type model: string :param plugin: If the model you wish to load is a model within a plugin, set this to the name of the plugin containing the model. :returns: The instantiated model, which is a singleton. """ global _modelInstances
else: module = 'girder.plugins.{}.models.{}'.format(plugin, model)
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