# Ultralytics 🚀 AGPL-3.0 License - https://ultralytics.com/license

# Global Wheat 2020 dataset https://www.global-wheat.com/ by University of Saskatchewan
# Documentation: https://docs.ultralytics.com/datasets/detect/globalwheat2020/
# Example usage: yolo train data=GlobalWheat2020.yaml
# parent
# ├── ultralytics
# └── datasets
#     └── GlobalWheat2020 ← downloads here (7.0 GB)

# Train/val/test sets as 1) dir: path/to/imgs, 2) file: path/to/imgs.txt, or 3) list: [path/to/imgs1, path/to/imgs2, ..]
path: GlobalWheat2020 # dataset root dir
train: # train images (relative to 'path') 3422 images
  - images/arvalis_1
  - images/arvalis_2
  - images/arvalis_3
  - images/ethz_1
  - images/rres_1
  - images/inrae_1
  - images/usask_1
val: # val images (relative to 'path') 748 images (WARNING: train set contains ethz_1)
  - images/ethz_1
test: # test images (optional) 1276 images
  - images/utokyo_1
  - images/utokyo_2
  - images/nau_1
  - images/uq_1

# Classes
names:
  0: wheat_head

# Download script/URL (optional) ---------------------------------------------------------------------------------------
download: |
  from pathlib import Path

  from ultralytics.utils.downloads import download

  # Download
  dir = Path(yaml["path"])  # dataset root dir
  urls = [
      "https://zenodo.org/record/4298502/files/global-wheat-codalab-official.zip",
      "https://github.com/ultralytics/assets/releases/download/v0.0.0/GlobalWheat2020_labels.zip",
  ]
  download(urls, dir=dir)

  # Make Directories
  for p in "annotations", "images", "labels":
      (dir / p).mkdir(parents=True, exist_ok=True)

  # Move
  for p in (
      "arvalis_1",
      "arvalis_2",
      "arvalis_3",
      "ethz_1",
      "rres_1",
      "inrae_1",
      "usask_1",
      "utokyo_1",
      "utokyo_2",
      "nau_1",
      "uq_1",
  ):
      (dir / "global-wheat-codalab-official" / p).rename(dir / "images" / p)  # move to /images
      f = (dir / "global-wheat-codalab-official" / p).with_suffix(".json")  # json file
      if f.exists():
          f.rename((dir / "annotations" / p).with_suffix(".json"))  # move to /annotations
