65 lines
2.0 KiB
Python
65 lines
2.0 KiB
Python
import sys
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import traceback
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from datetime import datetime
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from synergy.exception import SynergyError
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__author__ = "Lisa Zangrando"
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__email__ = "lisa.zangrando[AT]pd.infn.it"
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__copyright__ = """Copyright (c) 2015 INFN - INDIGO-DataCloud
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All Rights Reserved
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Licensed under the Apache License, Version 2.0;
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you may not use this file except in compliance with the
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License. You may obtain a copy of the License at:
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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either express or implied.
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See the License for the specific language governing
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permissions and limitations under the License."""
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def import_class(import_str):
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"""Returns a class from a string including module and class."""
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mod_str, _sep, class_str = import_str.rpartition('.')
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__import__(mod_str)
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try:
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return getattr(sys.modules[mod_str], class_str)
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except AttributeError:
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raise SynergyError(
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'Class %s cannot be found (%s)' %
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(class_str, traceback.format_exception(*sys.exc_info())))
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def instantiate_class(class_str):
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return import_class(class_str)()
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def objectHookHandler(json_dict):
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for key, value in json_dict.items():
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if isinstance(value, dict):
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json_dict[key] = objectHookHandler(value)
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else:
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try:
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json_dict[key] = datetime.strptime(value,
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"%Y-%m-%dT%H:%M:%S.%f")
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except Exception as ex:
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pass
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if "synergy_object" in json_dict:
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synergy_object = json_dict["synergy_object"]
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try:
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objClass = import_class(synergy_object["name"])
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objInstance = objClass()
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return objInstance.deserialize(json_dict)
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except SynergyError as ex:
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raise ex
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else:
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return json_dict
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