---
description: Explore the Ultralytics YOLO v3 data build procedures, including the InfiniteDataLoader, seed_worker, build_dataloader, and load_inference_source.
keywords: Ultralytics, YOLO v3, Data build, DataLoader, InfiniteDataLoader, seed_worker, build_dataloader, load_inference_source
---

# Reference for `ultralytics/data/build.py`

!!! note

    Full source code for this file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/build.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/build.py). Help us fix any issues you see by submitting a [Pull Request](https://docs.ultralytics.com/help/contributing/) 🛠️. Thank you 🙏!

---
## ::: ultralytics.data.build.InfiniteDataLoader
<br><br>

---
## ::: ultralytics.data.build._RepeatSampler
<br><br>

---
## ::: ultralytics.data.build.seed_worker
<br><br>

---
## ::: ultralytics.data.build.build_yolo_dataset
<br><br>

---
## ::: ultralytics.data.build.build_dataloader
<br><br>

---
## ::: ultralytics.data.build.check_source
<br><br>

---
## ::: ultralytics.data.build.load_inference_source
<br><br>
