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