我想要用python获取一个手机端页面完整的长截图。我用了mobile emulation来设置长和宽。这个页面太长了,我hardcode去获取了固定的数值。 现在设定的宽是375,长是22000,但如果是这么设定的话,我会得到以下这个报错"Time out receiving a message from the renderer"。 现在有两个问题让我感到困惑: - 我是把固定的长和宽的数值放在mobile emulation里的,且长的值特别大,这也做的对的吗?
- driver.set_window_size(width, height-1800) 我不确定这一行代码是否需要改成driver.set_window_size(width, height)或者别的?
下面是比较完整的代码,如果有什么问题的话,请随时告诉我,先谢啦! - def save_screenshot(url):
- mobile_emulation = {
- "deviceMetrics": { "width": 375, "height": 22000, "pixelRatio": 3.0 },
- "userAgent": "Mozilla/5.0 (Linux; Android 4.2.1; en-us; Nexus 5 Build/JOP40D) "
- "AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.166 Mobile
- Safari/535.19" }
- chrome_options = webdriver.ChromeOptions()
- chrome_options.add_experimental_option("mobileEmulation", mobile_emulation)
- chrome_options.add_argument("start-maximized")
- chrome_options.add_argument("enable-automation")
- chrome_options.add_argument("--headless")
- chrome_options.add_argument("--no-sandbox")
- chrome_options.add_argument("--disable-infobars")
- chrome_options.add_argument("--disable-dev-shm-usage")
- chrome_options.add_argument("--disable-browser-side-navigation")
- chrome_options.add_argument("--disable-gpu")
- driver = webdriver.Chrome(chrome_options=chrome_options)
- driver.get(url)
- driver.implicitly_wait(5)
- width = driver.execute_script("return document.documentElement.scrollWidth")
- height = driver.execute_script("return document.documentElement.scrollHeight")
- print(width,height)
- driver.set_window_size(width, height-1800)
- time.sleep(1)
- driver.save_screenshot(NAME)
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