Reference for ultralytics/utils/callbacks/base.py
Note
Full source code for this file is available at https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/base.py. Help us fix any issues you see by submitting a Pull Request 🛠️. Thank you 🙏!
ultralytics.utils.callbacks.base.on_pretrain_routine_start(trainer)
ultralytics.utils.callbacks.base.on_pretrain_routine_end(trainer)
ultralytics.utils.callbacks.base.on_train_start(trainer)
ultralytics.utils.callbacks.base.on_train_epoch_start(trainer)
ultralytics.utils.callbacks.base.on_train_batch_start(trainer)
ultralytics.utils.callbacks.base.optimizer_step(trainer)
ultralytics.utils.callbacks.base.on_before_zero_grad(trainer)
ultralytics.utils.callbacks.base.on_train_batch_end(trainer)
ultralytics.utils.callbacks.base.on_train_epoch_end(trainer)
ultralytics.utils.callbacks.base.on_fit_epoch_end(trainer)
ultralytics.utils.callbacks.base.on_model_save(trainer)
ultralytics.utils.callbacks.base.on_train_end(trainer)
ultralytics.utils.callbacks.base.on_params_update(trainer)
ultralytics.utils.callbacks.base.teardown(trainer)
ultralytics.utils.callbacks.base.on_val_start(validator)
ultralytics.utils.callbacks.base.on_val_batch_start(validator)
ultralytics.utils.callbacks.base.on_val_batch_end(validator)
ultralytics.utils.callbacks.base.on_val_end(validator)
ultralytics.utils.callbacks.base.on_predict_start(predictor)
ultralytics.utils.callbacks.base.on_predict_batch_start(predictor)
ultralytics.utils.callbacks.base.on_predict_batch_end(predictor)
ultralytics.utils.callbacks.base.on_predict_postprocess_end(predictor)
ultralytics.utils.callbacks.base.on_predict_end(predictor)
ultralytics.utils.callbacks.base.on_export_start(exporter)
ultralytics.utils.callbacks.base.on_export_end(exporter)
ultralytics.utils.callbacks.base.get_default_callbacks()
Return a copy of the default_callbacks dictionary with lists as default values.
Returns:
Type | Description |
---|---|
defaultdict
|
A defaultdict with keys from default_callbacks and empty lists as default values. |
Source code in ultralytics/utils/callbacks/base.py
ultralytics.utils.callbacks.base.add_integration_callbacks(instance)
Add integration callbacks from various sources to the instance's callbacks.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
instance |
(Trainer, Predictor, Validator, Exporter)
|
An object with a 'callbacks' attribute that is a dictionary of callback lists. |
required |