Python 执行 javascript PyExecJS 模块

pip install  PyExecJS

>>> import execjs
>>> execjs.eval("‘red yellow blue‘.split(‘ ‘)")
[‘red‘, ‘yellow‘, ‘blue‘]
>>> ctx = execjs.compile("""
...     function add(x, y) {
...         return x + y;
...     }
... """)
>>> ctx.call("add", 1, 2)
3

Python
import requests
import re
import execjs
from lxml import etree
from pprint import pprint
url = ‘https://www.madewell.com/cn/madewell_category/SHIRTSTOPS/topsblouses/PRDOVR~F9375/F9375.jsp‘
res = requests.get(url)
doc = etree.HTML(res.text)
data = ‘‘.join(doc.xpath(‘//script[contains(text(),"var data")]/text()‘))
json_raw = re.search(‘({[\S\s]*\})‘,data).group(1)
jsn = execjs.eval(json_raw)
pprint(jsn)

import execjs
 
 
with open("baidujs.js") as f:
    jsData = f.read()
# e是 baidujs.js 的一个js 函数
p = execjs.compile(jsData).call("e",inputData)