无头模式下Selenium报ElementNotInteractableException,正常模式运行正常
问题描述
我用Python结合Selenium爬取ted.europa.eu网站的招标信息,脚本需每日执行以获取当日发布的新招标内容。该脚本在正常模式下运行完全正常,但启用无头模式时,出现错误:
selenium.common.exceptions.ElementNotInteractableException: Message: element not interactable: [object HTMLInputElement] has no size and location
筛选逻辑代码
import sys import time import re from datetime import datetime from selenium.webdriver.common.by import By from selenium.webdriver.support import expected_conditions as EC from selenium.webdriver.common.action_chains import ActionChains from dotenv import load_dotenv load_dotenv("../../../../.env") sys.path.append("../src") sys.path.append("../../../../utils") from driver import * from lted import LTED from runnable import * # start print('start...') counter = 0 start = datetime.now() # get driver driver = get_driver_from_url("https://ted.europa.eu/TED/browse/browseByMap.do%22) actions = ActionChains(driver) # change language to spanish WebDriverWait(driver, 10).until(EC.presence_of_element_located((By.ID, "lgId"))) driver.find_element(By.ID, "lgId").click() driver.find_element(By.XPATH, "//select[@id='lgId']/option[text()='español (es)']").click() # click on "Busqueda avanzada" WebDriverWait(driver, 10).until(EC.presence_of_element_located((By.ID, "goToSearch"))) driver.find_element(By.ID, "goToSearch").click() # accept cookies and close tab WebDriverWait(driver, 10).until(EC.presence_of_element_located((By.ID, "cookie-consent-banner"))) driver.find_element(By.XPATH, "//div[@id='cookie-consent-banner']/div[1]/div[1]/div[2]/a[1]").click() driver.find_element(By.XPATH, "//div[@id='cookie-consent-banner']/div[1]/div[1]/div[2]/a[1]").click() # click on specific date and set to today WebDriverWait(driver, 10).until(EC.presence_of_element_located((By.ID, "publicationDateSpecific"))) element = driver.find_element(By.ID, "publicationDateSpecific") actions.move_to_element(element).perform() driver.find_element(By.ID, "publicationDateSpecific").click() driver.find_element(By.CLASS_NAME, "ui-state-highlight").click() # click on search driver.find_element(By.ID, "search").click()
驱动初始化代码
get_driver_from_url()方法来自from driver import *,代码如下:
def get_driver_from_url(url): options = webdriver.ChromeOptions() options.add_argument("--no-sandbox") options.add_argument("--disable-dev-shm-usage") options.add_argument("--start-maximized") options.add_argument("--headless") driver = webdriver.Chrome(service=Service(ChromeDriverManager().install()), options=options) driver.get(url) return driver
已尝试添加--start-maximized参数、使用ActionChains移动到元素、将等待条件改为EC.element_to_be_clickable或EC.visibility_of_element_located,但均未解决问题。
解决方案分析
- 修正URL错误
你的初始化代码中URL末尾多了%22(引号的URL编码),会导致跳转到错误页面,修正为:
driver = get_driver_from_url("https://ted.europa.eu/TED/browse/browseByMap.do")
- 指定无头模式窗口分辨率
无头模式下--start-maximized可能无法正确渲染页面尺寸,导致元素被隐藏。添加固定窗口大小参数,同时使用新版无头模式提升兼容性:
def get_driver_from_url(url): options = webdriver.ChromeOptions() options.add_argument("--no-sandbox") options.add_argument("--disable-dev-shm-usage") options.add_argument("--window-size=1920,1080") options.add_argument("--headless=new") driver = webdriver.Chrome(service=Service(ChromeDriverManager().install()), options=options) driver.get(url) return driver
- 优化等待条件
将EC.presence_of_element_located替换为EC.element_to_be_clickable,确保元素存在、可见且可交互,同时适当延长等待时间应对页面加载延迟:
# 修改日期选择部分的等待逻辑 WebDriverWait(driver, 15).until(EC.element_to_be_clickable((By.ID, "publicationDateSpecific"))).click() WebDriverWait(driver, 10).until(EC.element_to_be_clickable((By.CLASS_NAME, "ui-state-highlight"))).click()
- 移除重复的Cookie操作
代码中连续点击两次Cookie同意按钮,可能导致页面状态异常,只保留一次点击:
# accept cookies and close tab WebDriverWait(driver, 10).until(EC.element_to_be_clickable((By.XPATH, "//div[@id='cookie-consent-banner']/div[1]/div[1]/div[2]/a[1]"))).click()
- 取消不必要的ActionChains操作
无头模式下move_to_element操作可能无效,直接点击已确认可交互的元素即可,无需额外移动操作。
内容的提问来源于stack exchange,提问作者David Jimenez
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