|---| | [ View source on GitHub](https://github.com/tensorflow/models/blob/v2.20.0/official/core/__init__.py) | Core is shared by both `nlp` and `vision`. ## Modules [`actions`](https://www.tensorflow.org/api_docs/python/tfm/core/actions) module: Provides TFM orbit actions and associated helper functions/classes. [`base_task`](https://www.tensorflow.org/api_docs/python/tfm/core/base_task) module: Defines the base task abstraction. [`base_trainer`](https://www.tensorflow.org/api_docs/python/tfm/core/base_trainer) module: Standard Trainer implementation. [`config_definitions`](https://www.tensorflow.org/api_docs/python/tfm/core/config_definitions) module: Common configuration settings. [`exp_factory`](https://www.tensorflow.org/api_docs/python/tfm/core/exp_factory) module: Experiment factory methods. [`export_base`](https://www.tensorflow.org/api_docs/python/tfm/core/export_base) module: Base class for model export. [`file_writers`](https://www.tensorflow.org/api_docs/python/tfm/core/file_writers) module: File writer functions for dataset preparation, infra validation, and unit tests. [`input_reader`](https://www.tensorflow.org/api_docs/python/tfm/core/input_reader) module: A common dataset reader. [`registry`](https://www.tensorflow.org/api_docs/python/tfm/core/registry) module: Registry utility. [`savedmodel_checkpoint_manager`](https://www.tensorflow.org/api_docs/python/tfm/core/savedmodel_checkpoint_manager) module: Custom checkpoint manager that also exports saved models. [`task_factory`](https://www.tensorflow.org/api_docs/python/tfm/core/task_factory) module: A global factory to register and access all registered tasks. [`tf_example_builder`](https://www.tensorflow.org/api_docs/python/tfm/core/tf_example_builder) module: Builder class for preparing tf.train.Example. [`tf_example_feature_key`](https://www.tensorflow.org/api_docs/python/tfm/core/tf_example_feature_key) module: Data classes for tf.Example proto feature keys. [`train_lib`](https://www.tensorflow.org/api_docs/python/tfm/core/train_lib) module: TFM common training driver library. [`train_utils`](https://www.tensorflow.org/api_docs/python/tfm/core/train_utils) module: Training utils.