utils.py 文件源码

def download_image(filename, url):
    '''download specific image to local folder'''
    if not url:
        return url
    refresh_needed = False
    if xbmcvfs.exists(filename) and filename == url:
        # only overwrite if new image is different
        return filename
    else:
        if xbmcvfs.exists(filename):
            xbmcvfs.delete(filename)
            refresh_needed = True
        if xbmcvfs.copy(url, filename):
            if refresh_needed:
                refresh_image(filename)
            return filename

    return url