from bs4 import BeautifulSoup, SoupStrainer
import requests
import json

url = "https://www.lazada.com.my/oldtown-white-coffee/?langFlag=en&q=All-Products&from=wangpu&pageTypeId=2"

page = requests.get(url)    
data = page.text
soup = BeautifulSoup(data)


scripts = soup.find_all('script')

jsonObj = None
for script in scripts:
    if 'window.pageData=' in script.text:
        jsonStr = script.text

        jsonStr = jsonStr.split("window.pageData=")[1]
        jsonObj = json.loads(jsonStr)


products = jsonObj['mods']['listItems']

for item in products:
    print (item['productUrl'])