mirror of
https://gitee.com/g1879/DrissionPage.git
synced 2024-12-10 04:00:23 +08:00
509 lines
19 KiB
Python
509 lines
19 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 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, WebDriverException
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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 sys import exit
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from tldextract import extract
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from typing import Union
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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, bool] = None,
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session_or_options: Union[Session, dict, SessionOptions, bool] = 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._debugger = 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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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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@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。 \n
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如设置了本地调试浏览器，可自动接入或打开浏览器进程。
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"""
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if self._driver is None:
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if not isinstance(self._driver_options, dict):
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raise TypeError('无效的Driver配置。')
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options = _dict_to_chrome_options(self._driver_options)
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if not self._driver_options.get('debugger_address', None) and 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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chrome_path = self._driver_options.get('binary_location', None) or 'chrome.exe'
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# -----------若指定debug端口且该端口未在使用中，则先启动浏览器进程-----------
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if options.debugger_address and _check_port(options.debugger_address) is False:
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from subprocess import Popen
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port = options.debugger_address.split(':')[-1]
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# 启动浏览器进程，同时返回该进程使用的 chrome.exe 路径
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chrome_path, self._debugger = _create_chrome(chrome_path, port,
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self._driver_options['arguments'], self._proxy)
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# -----------创建WebDriver对象-----------
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self._driver = _create_driver(chrome_path, driver_path, options)
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# 反反爬设置
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try:
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self._driver.execute_script('Object.defineProperty(navigator,"webdriver",{get:() => undefined,});')
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except:
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pass
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# self._driver.execute_cdp_cmd(
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# 'Page.addScriptToEvaluateOnNewDocument',
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# {'source': 'Object.defineProperty(navigator,"webdriver",{get:() => Chrome,});'})
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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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@property
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def debugger_progress(self):
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"""调试浏览器进程"""
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return self._debugger
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def kill_browser(self) -> None:
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"""关闭浏览器进程（如果可以）"""
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if self.debugger_progress:
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self.debugger_progress.kill()
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return
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pid = self.get_browser_progress_id()
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from os import popen
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if pid and popen(f'tasklist | findstr {pid}').read().lower().startswith('chrome.exe'):
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print('kill')
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popen(f'taskkill /pid {pid} /F')
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else:
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self.close_driver()
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def get_browser_progress_id(self) -> Union[str, None]:
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"""获取浏览器进程id"""
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if self.debugger_progress:
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return self.debugger_progress.pid
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address = self.driver_options.get('debugger_address', '').split(':')
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if len(address) == 2:
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ip, port = address
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if ip not in ('127.0.0.1', 'localhost') or not port.isdigit():
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return None
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from os import popen
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txt = ''
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progresses = popen(f'netstat -nao | findstr :{port}').read().split('\n')
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for progress in progresses:
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if 'LISTENING' in progress:
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txt = progress
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break
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if not txt:
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return None
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return txt.split(' ')[-1]
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def hide_browser(self) -> None:
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"""隐藏浏览器界面"""
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self._show_or_hide_browser()
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def show_browser(self) -> None:
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"""显示浏览器界面"""
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self._show_or_hide_browser(False)
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def _show_or_hide_browser(self, hide: bool = True) -> None:
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try:
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from win32gui import ShowWindow
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from win32con import SW_HIDE, SW_SHOW
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except ImportError:
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raise ImportError('请先安装：pip install pypiwin32')
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pid = self.get_browser_progress_id()
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if not pid:
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print('只有设置了debugger_address参数才能使用 show_browser() 和 hide_browser()')
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return
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hds = _get_chrome_hwnds_from_pid(pid)
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sw = SW_HIDE if hide else SW_SHOW
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for hd in hds:
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ShowWindow(hd, sw)
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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
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if x.lower() not in ('name', 'value', 'httponly', 'expiry', 'samesite')}
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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('cookie中没有域名或浏览器未访问过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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# 避免selenium自动添加.后无法正确覆盖已有cookie
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if cookie['domain'][0] != '.':
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c = self.driver.get_cookie(cookie['name'])
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if c and c['domain'] == cookie['domain']:
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self.driver.delete_cookie(cookie['name'])
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self.driver.add_cookie(cookie)
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def _set_session(self, data: dict) -> None:
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"""根据传入字典对session进行设置 \n
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:param data: session配置字典
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:return: None
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"""
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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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browser_domain = extract(self.driver.current_url).fqdn
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ex_url = extract(url)
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if ex_url.fqdn not in browser_domain:
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self.driver.get(url)
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domain = f'{ex_url.domain}.{ex_url.suffix}'
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cookies = []
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for cookie in self.session.cookies:
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if cookie.domain == '':
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cookie.domain = domain
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if domain in cookie.domain:
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cookies.append(cookie)
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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 _check_port(debugger_address: str) -> Union[bool, None]:
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"""检查端口是否被占用 \n
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:param debugger_address: 浏览器地址及端口
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:return: bool
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"""
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import socket
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ip, port = debugger_address.split(':')
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if ip not in ('127.0.0.1', 'localhost'):
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return
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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try:
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s.connect((ip, int(port)))
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s.shutdown(2)
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return True
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except socket.error:
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return False
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finally:
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if s:
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s.close()
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def _create_chrome(chrome_path: str, port: str, args: list, proxy: dict) -> tuple:
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"""创建 chrome 进程 \n
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:param chrome_path: chrome.exe 路径
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:param port: 进程运行的端口号
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:param args: chrome 配置参数
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:return: chrome.exe 路径和进程对象组成的元组
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"""
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from subprocess import Popen
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# ----------为路径加上双引号，避免路径中的空格产生异常----------
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args1 = []
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for arg in args:
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if arg.startswith(('--user-data-dir', '--disk-cache-dir')):
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index = arg.find('=') + 1
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args1.append(f'{arg[:index]}"{arg[index:].strip()}"')
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else:
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args1.append(arg)
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args = ' '.join(set(args1))
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if proxy:
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args = f'{args} --proxy-server={proxy["http"]}'
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# ----------创建浏览器进程----------
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try:
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debugger = Popen(f'{chrome_path} --remote-debugging-port={port} {args}', shell=False)
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if chrome_path == 'chrome.exe':
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from common import get_exe_path_from_port
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chrome_path = get_exe_path_from_port(port)
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# 传入的路径找不到，主动在ini文件、注册表、系统变量中找
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except FileNotFoundError:
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from DrissionPage.easy_set import _get_chrome_path
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chrome_path = _get_chrome_path(show_msg=False)
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if not chrome_path:
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raise FileNotFoundError('无法找到chrome.exe路径，请手动配置。')
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debugger = Popen(f'"{chrome_path}" --remote-debugging-port={port} {args}', shell=False)
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return chrome_path, debugger
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def _create_driver(chrome_path: str, driver_path: str, options: Options) -> WebDriver:
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"""创建 WebDriver 对象 \n
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:param chrome_path: chrome.exe 路径
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:param driver_path: chromedriver.exe 路径
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:param options: Options 对象
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:return: WebDriver 对象
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"""
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try:
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return webdriver.Chrome(driver_path, options=options)
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# 若版本不对，获取对应 chromedriver 再试
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except (WebDriverException, SessionNotCreatedException):
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from .easy_set import get_match_driver
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chrome_path = None if chrome_path == 'chrome.exe' else chrome_path
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driver_path = get_match_driver(chrome_path=chrome_path, check_version=False, show_msg=False)
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if driver_path:
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try:
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return webdriver.Chrome(driver_path, options=options)
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except:
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pass
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# 当找不到 driver 且 chrome_path 为 None 时，说明安装的版本过高，改在系统路径中查找
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elif chrome_path is None and driver_path is None:
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from DrissionPage.easy_set import _get_chrome_path
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chrome_path = _get_chrome_path(show_msg=False, from_ini=False, from_regedit=False)
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driver_path = get_match_driver(chrome_path=chrome_path, check_version=False, show_msg=False)
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if driver_path:
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options.binary_location = chrome_path
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try:
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return webdriver.Chrome(driver_path, options=options)
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except:
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pass
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print('无法启动，请检查浏览器路径，或手动设置chromedriver。\n下载地址：http://npm.taobao.org/mirrors/chromedriver/')
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exit(0)
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def _get_chrome_hwnds_from_pid(pid) -> list:
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# 通过PID查询句柄ID
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try:
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from win32gui import IsWindow, GetWindowText, EnumWindows
|
||
from win32process import GetWindowThreadProcessId
|
||
except ImportError:
|
||
raise ImportError('请先安装win32gui，pip install pypiwin32')
|
||
|
||
def callback(hwnd, hds):
|
||
if IsWindow(hwnd) and '- Google Chrome' in GetWindowText(hwnd):
|
||
_, found_pid = GetWindowThreadProcessId(hwnd)
|
||
if str(found_pid) == str(pid):
|
||
hds.append(hwnd)
|
||
return True
|
||
|
||
hwnds = []
|
||
EnumWindows(callback, hwnds)
|
||
return hwnds
|