import shutil
import logging

log = logging.getLogger('stl')

def copy_stl(stl, case):
    stl_dir = case.joinpath('constant', 'triSurface')
    if stl_dir.exists():
        log.info(f'Deleting stl directory ({stl_dir})')
        shutil.rmtree(stl_dir)

    log.info(f'Copying stl directory ({stl} -> {stl_dir})')
    shutil.copytree(stl, stl_dir)