44 lines
1.9 KiB
Python
44 lines
1.9 KiB
Python
# Copyright The PyTorch Lightning team.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
from typing import Union
|
|
|
|
from pytorch_lightning.core.datamodule import LightningDataModule
|
|
from pytorch_lightning.core.lightning import LightningModule
|
|
|
|
|
|
def is_overridden(method_name: str, model: Union[LightningModule, LightningDataModule]) -> bool:
|
|
# if you pass DataModule instead of None or a LightningModule, we use LightningDataModule as super
|
|
# TODO - refector this function to accept model_name, instance, parent so it makes more sense
|
|
super_object = LightningModule if not isinstance(model, LightningDataModule) else LightningDataModule
|
|
|
|
if not hasattr(model, method_name) or not hasattr(super_object, method_name):
|
|
# in case of calling deprecated method
|
|
return False
|
|
|
|
instance_attr = getattr(model, method_name)
|
|
if not instance_attr:
|
|
return False
|
|
super_attr = getattr(super_object, method_name)
|
|
|
|
# when code pointers are different, it was implemented
|
|
if hasattr(instance_attr, 'patch_loader_code'):
|
|
# cannot pickle __code__ so cannot verify if PatchDataloader
|
|
# exists which shows dataloader methods have been overwritten.
|
|
# so, we hack it by using the string representation
|
|
is_overridden = instance_attr.patch_loader_code != str(super_attr.__code__)
|
|
else:
|
|
is_overridden = instance_attr.__code__ is not super_attr.__code__
|
|
return is_overridden
|