selenium alert/popup window

Command

• alert = browser.switch_to_alert()
  取得對話框物件
• alert = browser.switch_to.alert
  取得對話框物件
• alert.accept()
  按下 OK 按鈕
• alert.dismiss()
  按下 Cancel 按鈕
• alert.text
  取得對話框文字
• from selenium.webdriver.support import expected_conditions
  expected_conditions.alert_is_present()(browser)
  用來檢測是否有 alert 視窗
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Demo

from selenium import webdriver
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.common.exceptions import TimeoutException

browser = webdriver.Firefox()
browser.get("url")
browser.find_element_by_id("button").click()

try:
    WebDriverWait(browser, 3).until(EC.alert_is_present())
    alert = browser.switch_to.alert
    alert.accept()
    print("alert accepted")
except TimeoutException:
    print("no alert")

Reference

• alert.py
• WebDriver API - Alerts
• Check if any alert exists using selenium with python