def main():
pdf_path = path.abspath('cover.pdf')
out_folder = path.abspath('out')
config_path = path.abspath('config.json')
parser = argparse.ArgumentParser()
parser.add_argument('cover_type', help='Define the type of cover')
args = parser.parse_args()
config = Config(config_path, cover_type=args.cover_type)
pdf = Pdf(pdf_path)
pdf.set_cropbox(config.get_cover_geometry())
img = Img(pdf.cover.name, output_folder=out_folder)
for width in config.get_output_width():
img.convert(width)
