37 lines
1.3 KiB
Python
37 lines
1.3 KiB
Python
# Copyright The PyTorch Lightning team.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import inspect
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from abc import ABC
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from typing import Optional
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from pytorch_lightning.core.lightning import LightningModule
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class TrainerModelHooksMixin(ABC):
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lightning_module: LightningModule
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def is_function_implemented(self, f_name: str, model: Optional[LightningModule] = None) -> bool:
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# note: currently unused - kept as it is public
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if model is None:
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model = self.lightning_module
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f_op = getattr(model, f_name, None)
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return callable(f_op)
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def has_arg(self, f_name: str, arg_name: str) -> bool:
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model = self.lightning_module
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f_op = getattr(model, f_name, None)
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return arg_name in inspect.signature(f_op).parameters
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