Files
pytorch-lightning/pytorch_lightning/callbacks/base.py
T
09167efdb5 Checkpointing interval (#1272)
* formatting

* formatting

* fix interval

* fix train loop

* fix test

* parametrize test

* Apply suggestions from code review

Co-Authored-By: Adrian Wälchli <adrian.waelchli@students.unibe.ch>

* fix calling

* flake8

* add types

Co-authored-by: Adrian Wälchli <adrian.waelchli@students.unibe.ch>
Co-authored-by: William Falcon <waf2107@columbia.edu>
2020-03-30 18:37:02 -04:00

62 lines
1.5 KiB
Python

r"""
Callback Base
=============
Abstract base class used to build new callbacks.
"""
import abc
class Callback(abc.ABC):
r"""
Abstract base class used to build new callbacks.
"""
def on_init_start(self, trainer):
"""Called when the trainer initialization begins, model has not yet been set."""
pass
def on_init_end(self, trainer):
"""Called when the trainer initialization ends, model has not yet been set."""
pass
def on_epoch_start(self, trainer, pl_module):
"""Called when the epoch begins."""
pass
def on_epoch_end(self, trainer, pl_module):
"""Called when the epoch ends."""
pass
def on_batch_start(self, trainer, pl_module):
"""Called when the training batch begins."""
pass
def on_batch_end(self, trainer, pl_module):
"""Called when the training batch ends."""
pass
def on_train_start(self, trainer, pl_module):
"""Called when the train begins."""
pass
def on_train_end(self, trainer, pl_module):
"""Called when the train ends."""
pass
def on_validation_start(self, trainer, pl_module):
"""Called when the validation loop begins."""
pass
def on_validation_end(self, trainer, pl_module):
"""Called when the validation loop ends."""
pass
def on_test_start(self, trainer, pl_module):
"""Called when the test begins."""
pass
def on_test_end(self, trainer, pl_module):
"""Called when the test ends."""
pass