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49 lines
2.1 KiB
Python
49 lines
2.1 KiB
Python
# MIT License
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# Copyright (c) 2022 Intelligent Systems Lab Org
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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# File author: Shariq Farooq Bhat
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from importlib import import_module
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def get_trainer(config):
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"""Builds and returns a trainer based on the config.
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Args:
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config (dict): the config dict (typically constructed using utils.config.get_config)
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config.trainer (str): the name of the trainer to use. The module named "{config.trainer}_trainer" must exist in trainers root module
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Raises:
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ValueError: If the specified trainer does not exist under trainers/ folder
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Returns:
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Trainer (inherited from zoedepth.trainers.BaseTrainer): The Trainer object
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"""
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assert "trainer" in config and config.trainer is not None and config.trainer != '', "Trainer not specified. Config: {0}".format(
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config)
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try:
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Trainer = getattr(import_module(
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f"zoedepth.trainers.{config.trainer}_trainer"), 'Trainer')
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except ModuleNotFoundError as e:
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raise ValueError(f"Trainer {config.trainer}_trainer not found.") from e
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return Trainer
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