selenium.common.exceptions.NoSuchElementException：消息：没有这样的元素：无法找到元素：{“方法”：“css选择器”，“选择器”：“.ui流感~”}

Question

这是我使用的代码：

import requests as r, sys as sus, bs4 as bs, webbrowser as wb
from selenium import webdriver as wd

dr = wd.Chrome()

b = r.get("https://uupdump.net/fetchupd.php?arch=amd64&ring=wif&build=latest").text
s = bs.BeautifulSoup(b, features="html.parser")

if "/selectlang.php?id=" in b:
    l = b.split("/selectlang.php?id=")[1].split('"')[0]
    u = f"https://uupdump.net/download.php?id={l}&pack=es-es&edition=professional"
    print(u)
    b = r.get(u).text
    s = bs.BeautifulSoup(b, features="html.parser")
    print(s)
    dr.get(u)
    b = dr.find_element_by_class_name('ui fluid right labeled icon primary button')

这是错误：

uupdump.py:17: DeprecationWarning: find_element_by_* commands are deprecated. Please use find_element() instead
  b = dr.find_element_by_class_name('ui fluid right labeled icon primary button')
Traceback (most recent call last):
  File "C:\Users\Aritz\Downloads\thign\uupdump.py", line 17, in <module>
    b = dr.find_element_by_class_name('ui fluid right labeled icon primary button')
  File "C:\Users\Aritz\AppData\Roaming\Python\Python310\site-packages\selenium\webdriver\remote\webdriver.py", line 760, in find_element_by_class_name
    return self.find_element(by=By.CLASS_NAME, value=name)
  File "C:\Users\Aritz\AppData\Roaming\Python\Python310\site-packages\selenium\webdriver\remote\webdriver.py", line 1244, in find_element
    return self.execute(Command.FIND_ELEMENT, {
  File "C:\Users\Aritz\AppData\Roaming\Python\Python310\site-packages\selenium\webdriver\remote\webdriver.py", line 424, in execute
    self.error_handler.check_response(response)
  File "C:\Users\Aritz\AppData\Roaming\Python\Python310\site-packages\selenium\webdriver\remote\errorhandler.py", line 247, in check_response
    raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.NoSuchElementException: Message: no such element: Unable to locate element: {"method":"css selector","selector":".ui fluid right labeled icon primary button"}
  (Session info: chrome=98.0.4758.82)
Stacktrace:
Backtrace:
        Ordinal0 [0x00BF7AC3+2587331]
        Ordinal0 [0x00B8ADD1+2141649]
        Ordinal0 [0x00A83BB8+1063864]
        Ordinal0 [0x00AB01CE+1245646]
        Ordinal0 [0x00AB03CB+1246155]
        Ordinal0 [0x00ADA612+1418770]
        Ordinal0 [0x00AC86D4+1345236]
        Ordinal0 [0x00AD8A0A+1411594]
        Ordinal0 [0x00AC84A6+1344678]
        Ordinal0 [0x00AA53F6+1201142]
        Ordinal0 [0x00AA62E6+1204966]
        GetHandleVerifier [0x00D9DF22+1680738]
        GetHandleVerifier [0x00E50DBC+2413564]
        GetHandleVerifier [0x00C8D151+563089]
        GetHandleVerifier [0x00C8BF13+558419]
        Ordinal0 [0x00B9081E+2164766]
        Ordinal0 [0x00B95508+2184456]
        Ordinal0 [0x00B95650+2184784]
        Ordinal0 [0x00B9F5BC+2225596]
        BaseThreadInitThunk [0x764A6739+25]
        RtlGetFullPathName_UEx [0x76F98AFF+1215]
        RtlGetFullPathName_UEx [0x76F98ACD+1165]

我想要的是使用selenium从uupdump.net通过其 class 名称找到一个按钮，以下载最新版本的 zip 文件。

帮助。

[HTML 按钮图像]

还有什么好说的？ “看起来你的帖子主要是代码”

Answer 1

要找到您想要的特定按钮元素，您可以执行以下操作：

b = dr.find_elements_by_class_name('primary')[-1]

代替

b = dr.find_element_by_class_name('ui fluid right labeled icon primary button')

因为您复制的 class 名称是该 object 的类名的汇编。 每个 class 名称由空格分隔。 因此，使用最独特的标识符“primary”，我们能够将元素缩小到 3 个，并看到您想要的元素是最后一个。

然后做

b.click()

单击该元素。

尽管您可能希望等待该元素加载到页面上。

Answer 2

根据 HTML：

要将带有文本的可点击元素标识为创建下载 package ，您可以使用以下任一定位器策略：

• 使用xpath ：

   b = dr.find_element(By.XPATH, "//button[@class='ui fluid right labeled icon primary button' and contains(., 'Create download package')]")

理想情况下，单击您需要为element_to_be_clickable()诱导WebDriverWait的元素，您可以使用以下任一Locator Strategies ：

• 使用XPATH ：

   b = WebDriverWait(dr, 20).until(EC.element_to_be_clickable((By.XPATH, "//button[@class='ui fluid right labeled icon primary button' and contains(., 'Create download package')]")))

• 注意：您必须添加以下导入：

   from selenium.webdriver.support.ui import WebDriverWait from selenium.webdriver.common.by import By from selenium.webdriver.support import expected_conditions as EC