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40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. 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,
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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
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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from importlib import import_module
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from typing import Any
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def load_class_from_name(fq_class_name: str) -> Any:
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"""
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Given a string representing a fully qualified class name, attempts to load
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the class and return it.
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:param fq_class_name: The fully qualified name of the class to load
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:return: The class object
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:raises Exception: if the class cannot be loaded
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"""
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if not fq_class_name:
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raise ValueError(f"Invalid class name {fq_class_name}")
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parts = fq_class_name.split(".")
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module_name = ".".join(parts[:-1])
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class_name = parts[-1]
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module = import_module(module_name)
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return getattr(module, class_name)
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