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69 lines
1.7 KiB
Python
69 lines
1.7 KiB
Python
"""
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Callbacks
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=========
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Callbacks supported by Lightning
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"""
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import abc
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class Callback(abc.ABC):
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"""Abstract base class used to build new callbacks."""
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def on_init_start(self, trainer):
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"""Called when the trainer initialization begins."""
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pass
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def on_init_end(self, trainer):
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"""Called when the trainer initialization ends."""
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pass
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def on_fit_start(self, trainer, pl_module):
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"""Called when the fit begins."""
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pass
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def on_fit_end(self, trainer, pl_module):
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"""Called when the fit ends."""
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pass
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def on_epoch_start(self, trainer, pl_module):
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"""Called when the epoch begins."""
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pass
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def on_epoch_end(self, trainer, pl_module):
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"""Called when the epoch ends."""
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pass
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def on_batch_start(self, trainer, pl_module):
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"""Called when the training batch begins."""
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pass
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def on_batch_end(self, trainer, pl_module):
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"""Called when the training batch ends."""
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pass
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def on_train_start(self, trainer, pl_module):
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"""Called when the train begins."""
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pass
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def on_train_end(self, trainer, pl_module):
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"""Called when the train ends."""
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pass
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def on_validation_start(self, trainer, pl_module):
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"""Called when the validation loop begins."""
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pass
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def on_validation_end(self, trainer, pl_module):
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"""Called when the validation loop ends."""
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pass
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def on_test_start(self, trainer, pl_module):
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"""Called when the test begins."""
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pass
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def on_test_end(self, trainer, pl_module):
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"""Called when the test ends."""
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pass
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