fixed progress bar for training

data/training/train.py

@@ -26,6 +26,33 @@ from modulation_dataset import ModulationH5Dataset
 
 import mobilenetv3
 
+from lightning.pytorch.callbacks import TQDMProgressBar
+
+from lightning.pytorch.callbacks import TQDMProgressBar
+
+class EpochOnlyProgressBar(TQDMProgressBar):
+    def on_train_batch_end(self, trainer, pl_module, outputs, batch, batch_idx, dataloader_idx):
+        # Disable batch progress updates (no updates on each batch)
+        pass
+
+    def on_train_epoch_end(self, trainer, pl_module):
+        # Complete and close progress bar for the epoch
+        self.main_progress_bar.update(self.main_progress_bar.total - self.main_progress_bar.n)
+        self.main_progress_bar.close()
+
+        epoch = trainer.current_epoch + 1  # epochs start at 0 internally
+
+        # Fetch logged metrics safely
+        train_loss = trainer.callback_metrics.get("train_loss")
+        val_loss = trainer.callback_metrics.get("val_loss")
+        val_acc = trainer.callback_metrics.get("val_acc")
+
+        print(f"Epoch {epoch} Summary:")
+        print(f"  Train Loss: {train_loss:.4f}" if train_loss is not None else "  Train Loss: N/A")
+        print(f"  Val Loss:   {val_loss:.4f}" if val_loss is not None else "  Val Loss:   N/A")
+        print(f"  Val Acc:    {val_acc:.4f}" if val_acc is not None else "  Val Acc:    N/A")
+        print("-" * 30)
+
 
 def train_model():
     settings = get_app_settings()
@@ -143,14 +170,17 @@ def train_model():
         enable_version_counter=False,
     )
     
+    progress_bar = EpochOnlyProgressBar(refresh_rate=1)
+    
     trainer = L.Trainer(
         max_epochs=epochs,
-        callbacks=[checkpoint_callback],
+        callbacks=[checkpoint_callback,progress_bar],
         accelerator="gpu",
         devices=1,
         benchmark=True,
         precision="bf16-mixed",
         logger=False,
+        enable_progress_bar=False,
     )
 
     if train_flag: