culour.py 文件源码

def _get_color(fg, bg):
    key = (fg, bg)
    if key not in COLOR_PAIRS_CACHE:
        # Use the pairs from 101 and after, so there's less chance they'll be overwritten by the user
        pair_num = len(COLOR_PAIRS_CACHE) + 101
        curses.init_pair(pair_num, fg, bg)
        COLOR_PAIRS_CACHE[key] = pair_num

    return COLOR_PAIRS_CACHE[key]