from image_prediction.image_extractor.extractors.parsable import ParsablePDFImageExtractor


def extract_images_from_pdf(pdf, extractor=None):

    if not extractor:
        extractor = ParsablePDFImageExtractor()

    try:
        images_extracted, metadata_extracted = zip(*extractor(pdf))
        return images_extracted, metadata_extracted
    except ValueError:
        return [], []