python 导入js文件

def get_js():
    f = open('D:/data/l.js', 'r', encoding='utf-8')
    line = f.readline()
    htmlstr = ''
    while line:
        htmlstr = htmlstr + line
        line = f.readline()
    return htmlstr

jsstr = get_js()
ctx = execjs.compile(jsstr)
print(ctx.call('generateUUID'))