lightning/pytorch_lightning/trainer/model_hooks.py

31 lines
959 B
Python

import inspect
from abc import ABC, abstractmethod
from pytorch_lightning.core.lightning import LightningModule
class TrainerModelHooksMixin(ABC):
def is_function_implemented(self, f_name):
model = self.get_model()
f_op = getattr(model, f_name, None)
return callable(f_op)
def is_overriden(self, f_name, model=None):
if model is None:
model = self.get_model()
super_object = LightningModule
# when code pointers are different, it was overriden
is_overriden = getattr(model, f_name).__code__ is not getattr(super_object, f_name).__code__
return is_overriden
def has_arg(self, f_name, arg_name):
model = self.get_model()
f_op = getattr(model, f_name, None)
return arg_name in inspect.signature(f_op).parameters
@abstractmethod
def get_model(self):
"""Warning: this is just empty shell for code implemented in other class."""