import tempfile
import exiftool
from PIL import Image

def exif_full_dump(image: Image.Image) -> dict:
    """Extract all EXIF metadata from an image using exiftool."""
    with tempfile.NamedTemporaryFile(suffix='.jpg', delete=True) as tmp:
        image.save(tmp.name)
        with exiftool.ExifTool() as et:
            metadata = et.get_metadata(tmp.name)
    return metadata