def process_copies(input_dir, target_dir, excludes):
    """
    _process_copies_

    Handles files to be copied across, assumes
    that dir structure has already been replicated

    """
    copies = find_copies(input_dir, excludes)
    for c in copies:
        output_file = c.replace(input_dir, target_dir)
        copy_file(c,  output_file)
_process_copies_

    Handles files to be copied across, assumes
    that dir structure has already been replicated