AttributeError: Web_scraping对象没有属性“_Web_scraping__headless”

Question

我有一个attributeError AttributeError：'Web_scraping‘对象没有属性'_Web_scraping__headless’

import time
import os
from scraping.browser_manager import constants as const
from selenium import webdriver 
from selenium.webdriver.common.by import By

from scraping.browser_manager.automate_browser import Browser_bot

class Web_scraping():
    
    def __init__(self):

        # self.scraper instance
        self.scraper = Browser_bot(headless=self.__headless)

    def accept_cookies(self):
        cookies = self.find_element(By.CSS_SELECTOR,
           '.sui-TcfFirstLayer-buttons > button:nth-child(2)'
        )
        time.sleep(5)
        cookies.click()

这是run.py函数

from scraping.scraper import Web_scraping

try:

    with Web_scraping() as bot:
         bot.accept_cookies()

Answer 1

首先，它应该是：

class WebScraping:

而不是：

class Web_scraping():

(括号是多余的，PEP 8的类名样式指南建议您使用CamelCaseNames)

无论如何，我根本不会使用scraping模块(我不明白为什么要使用tbh)，并执行如下操作：

from selenium import webdriver
from selenium.webdriver.firefox.options import Options as FirefoxOptions
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC


class WebScraping:
    def __init__(self):
        options = FirefoxOptions()
        # options.add_argument("--headless")
        self.scraper = webdriver.Firefox(options=options)
        self.scraper.get("https://www.google.com/")

    def accept_cookies(self):
        cookies = WebDriverWait(self.scraper, 30).until(EC.element_to_be_clickable((By.XPATH, "//div[@class='QS5gu sy4vM']"))).click()


x = WebScraping()
x.accept_cookies()

(请注意，我使用的是显式等待而不是更糟糕的time.sleep())