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-rw-r--r--text_recognizer/models/base.py83
1 files changed, 43 insertions, 40 deletions
diff --git a/text_recognizer/models/base.py b/text_recognizer/models/base.py
index 88ffde6..4e803eb 100644
--- a/text_recognizer/models/base.py
+++ b/text_recognizer/models/base.py
@@ -1,8 +1,10 @@
"""Base PyTorch Lightning model."""
from typing import Any, Dict, List, Union, Tuple, Type
-import madgrad
-from omegaconf import DictConfig, OmegaConf
+import attr
+import hydra
+import loguru.logger as log
+from omegaconf import DictConfig
import pytorch_lightning as pl
import torch
from torch import nn
@@ -10,23 +12,29 @@ from torch import Tensor
import torchmetrics
+@attr.s
class LitBaseModel(pl.LightningModule):
"""Abstract PyTorch Lightning class."""
- def __init__(
- self,
- network: Type[nn.Module],
- optimizer: Union[DictConfig, Dict],
- lr_scheduler: Union[DictConfig, Dict],
- criterion: Union[DictConfig, Dict],
- monitor: str = "val_loss",
- ) -> None:
+ network: Type[nn.Module] = attr.ib()
+ criterion_config: DictConfig = attr.ib(converter=DictConfig)
+ optimizer_config: DictConfig = attr.ib(converter=DictConfig)
+ lr_scheduler_config: DictConfig = attr.ib(converter=DictConfig)
+
+ interval: str = attr.ib()
+ monitor: str = attr.ib(default="val/loss")
+
+ loss_fn = attr.ib(init=False)
+
+ train_acc = attr.ib(init=False)
+ val_acc = attr.ib(init=False)
+ test_acc = attr.ib(init=False)
+
+ def __attrs_pre_init__(self):
super().__init__()
- self.monitor = monitor
- self.network = network
- self._optimizer = OmegaConf.create(optimizer)
- self._lr_scheduler = OmegaConf.create(lr_scheduler)
- self.loss_fn = self.configure_criterion(criterion)
+
+ def __attrs_post_init__(self):
+ self.loss_fn = self.configure_criterion()
# Accuracy metric
self.train_acc = torchmetrics.Accuracy()
@@ -34,11 +42,10 @@ class LitBaseModel(pl.LightningModule):
self.test_acc = torchmetrics.Accuracy()
@staticmethod
- def configure_criterion(criterion: Union[DictConfig, Dict]) -> Type[nn.Module]:
+ def configure_criterion(self) -> Type[nn.Module]:
"""Returns a loss functions."""
- criterion = OmegaConf.create(criterion)
- args = {} or criterion.args
- return getattr(nn, criterion.type)(**args)
+ log.info(f"Instantiating criterion <{self.criterion_config._target_}>")
+ return hydra.utils.instantiate(self.criterion_config)
def optimizer_zero_grad(
self,
@@ -51,27 +58,23 @@ class LitBaseModel(pl.LightningModule):
def _configure_optimizer(self) -> Type[torch.optim.Optimizer]:
"""Configures the optimizer."""
- args = {} or self._optimizer.args
- if self._optimizer.type == "MADGRAD":
- optimizer_class = madgrad.MADGRAD
- else:
- optimizer_class = getattr(torch.optim, self._optimizer.type)
- return optimizer_class(params=self.parameters(), **args)
+ log.info(f"Instantiating optimizer <{self.optimizer_config._target_}>")
+ return hydra.utils.instantiate(self.optimizer_config, params=self.parameters())
def _configure_lr_scheduler(
self, optimizer: Type[torch.optim.Optimizer]
) -> Dict[str, Any]:
"""Configures the lr scheduler."""
- scheduler = {"monitor": self.monitor}
- args = {} or self._lr_scheduler.args
-
- if "interval" in args:
- scheduler["interval"] = args.pop("interval")
-
- scheduler["scheduler"] = getattr(
- torch.optim.lr_scheduler, self._lr_scheduler.type
- )(optimizer, **args)
-
+ log.info(
+ f"Instantiating learning rate scheduler <{self.lr_scheduler_config._target_}>"
+ )
+ scheduler = {
+ "monitor": self.monitor,
+ "interval": self.interval,
+ "scheduler": hydra.utils.instantiate(
+ self.lr_scheduler_config, optimizer=optimizer
+ ),
+ }
return scheduler
def configure_optimizers(self) -> Tuple[List[type], List[Dict[str, Any]]]:
@@ -90,9 +93,9 @@ class LitBaseModel(pl.LightningModule):
data, targets = batch
logits = self(data)
loss = self.loss_fn(logits, targets)
- self.log("train_loss", loss)
+ self.log("train/loss", loss)
self.train_acc(logits, targets)
- self.log("train_acc", self.train_acc, on_step=False, on_epoch=True)
+ self.log("train/acc", self.train_acc, on_step=False, on_epoch=True)
return loss
def validation_step(self, batch: Tuple[Tensor, Tensor], batch_idx: int) -> None:
@@ -100,13 +103,13 @@ class LitBaseModel(pl.LightningModule):
data, targets = batch
logits = self(data)
loss = self.loss_fn(logits, targets)
- self.log("val_loss", loss, prog_bar=True)
+ self.log("val/loss", loss, prog_bar=True)
self.val_acc(logits, targets)
- self.log("val_acc", self.val_acc, on_step=False, on_epoch=True, prog_bar=True)
+ self.log("val/acc", self.val_acc, on_step=False, on_epoch=True, prog_bar=True)
def test_step(self, batch: Tuple[Tensor, Tensor], batch_idx: int) -> None:
"""Test step."""
data, targets = batch
logits = self(data)
self.test_acc(logits, targets)
- self.log("test_acc", self.test_acc, on_step=False, on_epoch=True)
+ self.log("test/acc", self.test_acc, on_step=False, on_epoch=True)