mirror of
https://gitee.com/g1879/DrissionPage.git
synced 2024-12-10 04:00:23 +08:00
282 lines
10 KiB
Python
282 lines
10 KiB
Python
# -*- encoding: utf-8 -*-
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"""
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@Author : g1879
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@Contact : g1879@qq.com
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@File : drission.py
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"""
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from sys import exit
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from typing import Union
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from requests import Session
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from requests.cookies import RequestsCookieJar
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from selenium import webdriver
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from selenium.common.exceptions import SessionNotCreatedException
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from selenium.webdriver.chrome.options import Options
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from selenium.webdriver.chrome.webdriver import WebDriver
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from tldextract import extract
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from .config import (_dict_to_chrome_options, _session_options_to_dict,
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SessionOptions, DriverOptions, _chrome_options_to_dict, OptionsManager, _cookies_to_tuple)
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class Drission(object):
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"""Drission类用于管理WebDriver对象和Session对象，是驱动器的角色"""
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def __init__(self,
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driver_or_options: Union[WebDriver, dict, Options, DriverOptions] = None,
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session_or_options: Union[Session, dict, SessionOptions] = None,
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ini_path: str = None,
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proxy: dict = None):
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"""初始化，可接收现成的WebDriver和Session对象，或接收它们的配置信息生成对象 \n
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:param driver_or_options: driver对象或chrome设置，Options类或设置字典
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:param session_or_options: Session对象或设置
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:param ini_path: ini文件路径
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:param proxy: 代理设置
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"""
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self._session = None
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self._driver = None
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self._proxy = proxy
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om = OptionsManager(ini_path) if session_or_options is None or driver_or_options is None else None
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# ------------------处理session options----------------------
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if session_or_options is None:
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self._session_options = om.session_options
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else:
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# 若接收到Session对象，直接记录
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if isinstance(session_or_options, Session):
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self._session = session_or_options
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# 否则记录其配置信息
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else:
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self._session_options = _session_options_to_dict(session_or_options)
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# ------------------处理driver options----------------------
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if driver_or_options is None:
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self._driver_options = om.chrome_options
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self._driver_options['driver_path'] = om.get_value('paths', 'chromedriver_path')
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else:
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# 若接收到WebDriver对象，直接记录
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if isinstance(driver_or_options, WebDriver):
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self._driver = driver_or_options
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# 否则记录其配置信息
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else:
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self._driver_options = _chrome_options_to_dict(driver_or_options)
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@property
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def session(self) -> Session:
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"""返回Session对象，如未初始化则按配置信息创建"""
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if self._session is None:
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self._set_session(self._session_options)
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if self._proxy:
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self._session.proxies = self._proxy
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return self._session
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@property
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def driver(self) -> WebDriver:
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"""返回WebDriver对象，如未初始化则按配置信息创建"""
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if self._driver is None:
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if isinstance(self._driver_options, dict):
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options = _dict_to_chrome_options(self._driver_options)
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else:
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raise TypeError('Driver options invalid')
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if self._proxy:
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options.add_argument(f'--proxy-server={self._proxy["http"]}')
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driver_path = self._driver_options.get('driver_path', None) or 'chromedriver'
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try:
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self._driver = webdriver.Chrome(driver_path, options=options)
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except SessionNotCreatedException:
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print('Chrome版本与chromedriver版本不匹配，可执行easy_set.get_match_driver()自动下载匹配的版本。')
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exit(0)
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# 反爬设置，似乎没用
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self._driver.execute_cdp_cmd("Page.addScriptToEvaluateOnNewDocument", {
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"source": """
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Object.defineProperty(navigator, 'webdriver', {
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get: () => Chrome
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})
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"""
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})
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return self._driver
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@property
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def driver_options(self) -> dict:
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"""返回driver配置信息"""
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return self._driver_options
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@property
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def session_options(self) -> dict:
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"""返回session配置信息"""
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return self._session_options
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@session_options.setter
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def session_options(self, options: Union[dict, SessionOptions]) -> None:
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"""设置session配置 \n
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:param options: session配置字典
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:return: None
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"""
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self._session_options = _session_options_to_dict(options)
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self._set_session(self._session_options)
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@property
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def proxy(self) -> Union[None, dict]:
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"""返回代理信息"""
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return self._proxy
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@proxy.setter
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def proxy(self, proxies: dict = None) -> None:
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"""设置代理信息 \n
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:param proxies: 代理信息字典
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:return: None
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"""
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self._proxy = proxies
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if self._session:
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self._session.proxies = proxies
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if self._driver:
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cookies = self._driver.get_cookies()
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url = self._driver.current_url
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self._driver.quit()
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self._driver = None
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self._driver = self.driver
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self._driver.get(url)
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for cookie in cookies:
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self.set_cookies(cookie, set_driver=True)
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def set_cookies(self,
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cookies: Union[RequestsCookieJar, list, tuple, str, dict],
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set_session: bool = False,
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set_driver: bool = False) -> None:
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"""设置cookies \n
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:param cookies: cookies信息，可为CookieJar, list, tuple, str, dict
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:param set_session: 是否设置session的cookies
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:param set_driver: 是否设置driver的cookies
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:return: None
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"""
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cookies = _cookies_to_tuple(cookies)
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for cookie in cookies:
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if cookie['value'] is None:
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cookie['value'] = ''
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# 添加cookie到session
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if set_session:
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kwargs = {x: cookie[x] for x in cookie if x not in ('name', 'value', 'httpOnly', 'expiry')}
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if 'expiry' in cookie:
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kwargs['expires'] = cookie['expiry']
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self.session.cookies.set(cookie['name'], cookie['value'], **kwargs)
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# 添加cookie到driver
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if set_driver:
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if 'expiry' in cookie:
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cookie['expiry'] = int(cookie['expiry'])
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try:
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browser_domain = extract(self.driver.current_url).fqdn
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except AttributeError:
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browser_domain = ''
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if not cookie.get('domain', None):
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if browser_domain:
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url = extract(browser_domain)
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cookie_domain = f'{url.domain}.{url.suffix}'
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else:
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raise ValueError('There is no domain name in the cookie or the browser has not visited a URL.')
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cookie['domain'] = cookie_domain
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else:
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cookie_domain = cookie['domain'] if cookie['domain'][0] != '.' else cookie['domain'][1:]
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if cookie_domain not in browser_domain:
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self.driver.get(cookie_domain if cookie_domain.startswith('http://')
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else f'http://{cookie_domain}')
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self.driver.add_cookie(cookie)
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def _set_session(self, data: dict) -> None:
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if self._session is None:
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self._session = Session()
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attrs = ['headers', 'auth', 'proxies', 'hooks', 'params', 'verify',
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'cert', 'stream', 'trust_env', 'max_redirects'] # , 'adapters'
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if 'cookies' in data:
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self.set_cookies(data['cookies'], set_session=True)
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for i in attrs:
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if i in data:
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self._session.__setattr__(i, data[i])
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def cookies_to_session(self, copy_user_agent: bool = False) -> None:
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"""把driver对象的cookies复制到session对象 \n
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:param copy_user_agent: 是否复制ua信息
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:return: None
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"""
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if copy_user_agent:
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self.user_agent_to_session(self.driver, self.session)
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self.set_cookies(self.driver.get_cookies(), set_session=True)
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def cookies_to_driver(self, url: str) -> None:
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"""把session对象的cookies复制到driver对象 \n
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:param url: 作用域
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:return: None
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"""
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url = extract(url)
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domain = f'{url.domain}.{url.suffix}'
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cookies = tuple(x for x in self.session.cookies if domain in x.domain)
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self.set_cookies(cookies, set_driver=True)
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def user_agent_to_session(self, driver: WebDriver = None, session: Session = None) -> None:
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"""把driver的user-agent复制到session \n
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:param driver: 来源driver对象
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:param session: 目标session对象
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:return: None
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"""
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driver = driver or self.driver
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session = session or self.session
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selenium_user_agent = driver.execute_script("return navigator.userAgent;")
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session.headers.update({"User-Agent": selenium_user_agent})
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def close_driver(self) -> None:
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"""关闭driver和浏览器"""
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if self._driver:
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self._driver.quit()
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self._driver = None
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def close_session(self) -> None:
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"""关闭session"""
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if self._session:
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self._session.close()
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self._session = None
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def close(self) -> None:
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"""关闭session、driver和浏览器"""
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if self._driver:
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self.close_driver()
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if self._session:
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self.close_session()
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def __del__(self):
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"""关闭对象时关闭浏览器和Session"""
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try:
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self.close()
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except ImportError:
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pass
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