examples/training/wandb_train.py

from ultralytics import YOLO
from wandb.integration.ultralytics import add_wandb_callback
import wandb

if __name__ == "__main__":
    wandb.login()
    # Step 1: Initialize a Weights & Biases run
    wandb.init(project="ultralytics", job_type="training")

    # Step 2: Define the YOLOv8 Model and Dataset
    model_name = "yolov8n"
    dataset_name = "coco128.yaml"
    model = YOLO(f"{model_name}.pt")

    # Step 3: Add W&B Callback for Ultralytics
    add_wandb_callback(model, enable_model_checkpointing=True)

    # Step 4: Train and Fine-Tune the Model
    model.train(project="ultralytics", data=dataset_name, epochs=2, imgsz=640)

    # Step 5: Validate the Model
    model.val()

    # Step 6: Perform Inference and Log Results
    model(["examples\\training\Images\Craig.jpg", "examples\\training\Images\WalterWhite.jpg"])

    # Step 7: Finalize the W&B Run
    wandb.finish()