2023-01-18 10:35:34 +08:00

452 lines
16 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# -*- encoding: utf-8 -*-
"""
@Author : g1879
@Contact : g1879@qq.com
"""
from platform import system
from sys import exit
from requests import Session
from requests.structures import CaseInsensitiveDict
from selenium import webdriver
from selenium.common.exceptions import SessionNotCreatedException, WebDriverException
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.remote.webdriver import WebDriver as RemoteWebDriver
from tldextract import extract
from .functions.tools import get_pid_from_port
from .functions.browser import connect_browser
from .functions.web import cookies_to_tuple
from .configs.session_options import SessionOptions, session_options_to_dict
from .configs.driver_options import DriverOptions
class Drission(object):
"""Drission类用于管理WebDriver对象和Session对象是驱动器的角色"""
def __init__(self, driver_or_options=None, session_or_options=None, ini_path=None, proxy=None):
"""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
:param driver_or_options: driver对象或DriverOptions、Options类传入False则创建空配置对象
:param session_or_options: Session对象或设置字典传入False则创建空配置对象
:param ini_path: ini文件路径
:param proxy: 代理设置
"""
self._session = None
self._driver = None
self._session_options = None
self._driver_options = None
self._debugger = None
self._proxy = proxy
# ------------------处理session options----------------------
if session_or_options is None:
self._session_options = SessionOptions(ini_path=ini_path).as_dict()
elif session_or_options is False:
self._session_options = SessionOptions(read_file=False).as_dict()
elif isinstance(session_or_options, Session):
self._session = session_or_options
elif isinstance(session_or_options, SessionOptions):
self._session_options = session_or_options.as_dict()
elif isinstance(session_or_options, dict):
self._session_options = session_or_options
else:
raise TypeError('session_or_options参数只能接收Session, dict, SessionOptions或False。')
# ------------------处理driver options----------------------
if driver_or_options is None:
self._driver_options = DriverOptions(ini_path=ini_path)
elif driver_or_options is False:
self._driver_options = DriverOptions(read_file=False)
elif isinstance(driver_or_options, RemoteWebDriver):
self._driver = driver_or_options
elif isinstance(driver_or_options, (Options, DriverOptions)):
self._driver_options = driver_or_options
else:
raise TypeError('driver_or_options参数只能接收WebDriver, Options, DriverOptions或False。')
def __del__(self):
"""关闭对象时关闭浏览器和Session"""
try:
self.close()
except ImportError:
pass
@property
def session(self):
"""返回Session对象如未初始化则按配置信息创建"""
if self._session is None:
self._set_session(self._session_options)
if self._proxy:
self._session.proxies = self._proxy
return self._session
@property
def driver(self):
"""返回WebDriver对象如未初始化则按配置信息创建。 \n
如设置了本地调试浏览器,可自动接入或打开浏览器进程。
"""
if self._driver is None:
if not self.driver_options.debugger_address and self._proxy:
self.driver_options.add_argument(f'--proxy-server={self._proxy["http"]}')
driver_path = self.driver_options.driver_path or 'chromedriver'
chrome_path = self.driver_options.chrome_path
# -----------若指定debug端口且该端口未在使用中则先启动浏览器进程-----------
if self.driver_options.debugger_address:
# 启动浏览器进程,同时返回该进程使用的 chrome.exe 路径
chrome_path, self._debugger = connect_browser(self.driver_options)
# -----------创建WebDriver对象-----------
self._driver = create_driver(chrome_path, driver_path, self.driver_options)
# -----------解决接管新版浏览器不能定位到正确的标签页的问题-----------
active_tab = self._driver.window_handles[0]
if active_tab != self._driver.current_window_handle:
self._driver.switch_to.window(active_tab)
return self._driver
@property
def driver_options(self):
"""返回driver配置信息"""
return self._driver_options
@property
def session_options(self):
"""返回session配置信息"""
return self._session_options
@session_options.setter
def session_options(self, options):
"""设置session配置 \n
:param options: session配置字典
:return: None
"""
self._session_options = session_options_to_dict(options)
self._set_session(self._session_options)
@property
def proxy(self):
"""返回代理信息"""
return self._proxy
@proxy.setter
def proxy(self, proxies=None):
"""设置代理信息 \n
:param proxies: 代理信息字典
:return: None
"""
self._proxy = proxies
if self._session:
self._session.proxies = proxies
if self._driver:
cookies = self._driver.get_cookies()
url = self._driver.current_url
self._driver.quit()
self._driver = None
self._driver = self.driver
self._driver.get(url)
for cookie in cookies:
self.set_cookies(cookie, set_driver=True)
@property
def debugger_progress(self):
"""调试浏览器进程"""
return self._debugger
def kill_browser(self):
"""关闭浏览器进程(如果可以)"""
pid = self.get_browser_progress_id()
if not kill_progress(pid):
self._driver.quit()
def get_browser_progress_id(self):
"""获取浏览器进程id"""
if self.debugger_progress:
return self.debugger_progress.pid
address = str(self.driver_options.debugger_address).split(':')
if len(address) == 2:
ip, port = address
if ip not in ('127.0.0.1', 'localhost') or not port.isdigit():
return None
from os import popen
txt = ''
progresses = popen(f'netstat -nao | findstr :{port}').read().split('\n')
for progress in progresses:
if 'LISTENING' in progress:
txt = progress
break
if not txt:
return None
return txt.split(' ')[-1]
def hide_browser(self):
"""隐藏浏览器界面"""
self._show_or_hide_browser()
def show_browser(self):
"""显示浏览器界面"""
self._show_or_hide_browser(False)
def _show_or_hide_browser(self, hide=True):
if system().lower() != 'windows':
raise OSError('该方法只能在Windows系统使用。')
try:
from win32gui import ShowWindow
from win32con import SW_HIDE, SW_SHOW
except ImportError:
raise ImportError('请先安装pip install pypiwin32')
pid = self.get_browser_progress_id()
if not pid:
print('只有设置了debugger_address参数才能使用 show_browser() 和 hide_browser()')
return
hds = get_chrome_hwnds_from_pid(pid)
sw = SW_HIDE if hide else SW_SHOW
for hd in hds:
ShowWindow(hd, sw)
def set_cookies(self, cookies, set_session=False, set_driver=False):
"""设置cookies \n
:param cookies: cookies信息可为CookieJar, list, tuple, str, dict
:param set_session: 是否设置session的cookies
:param set_driver: 是否设置driver的cookies
:return: None
"""
cookies = cookies_to_tuple(cookies)
for cookie in cookies:
if cookie['value'] is None:
cookie['value'] = ''
# 添加cookie到session
if set_session:
kwargs = {x: cookie[x] for x in cookie
if x.lower() not in ('name', 'value', 'httponly', 'expiry', 'samesite')}
if 'expiry' in cookie:
kwargs['expires'] = cookie['expiry']
self.session.cookies.set(cookie['name'], cookie['value'], **kwargs)
# 添加cookie到driver
if set_driver:
if 'expiry' in cookie:
cookie['expiry'] = int(cookie['expiry'])
try:
browser_domain = extract(self.driver.current_url).fqdn
except AttributeError:
browser_domain = ''
if not cookie.get('domain', None):
if browser_domain:
url = extract(browser_domain)
cookie_domain = f'{url.domain}.{url.suffix}'
else:
raise ValueError('cookie中没有域名或浏览器未访问过URL。')
cookie['domain'] = cookie_domain
else:
cookie_domain = cookie['domain'] if cookie['domain'][0] != '.' else cookie['domain'][1:]
if cookie_domain not in browser_domain:
self.driver.get(cookie_domain if cookie_domain.startswith('http://')
else f'http://{cookie_domain}')
# 避免selenium自动添加.后无法正确覆盖已有cookie
if cookie['domain'][0] != '.':
c = self.driver.get_cookie(cookie['name'])
if c and c['domain'] == cookie['domain']:
self.driver.delete_cookie(cookie['name'])
self.driver.add_cookie(cookie)
def _set_session(self, data):
"""根据传入字典对session进行设置 \n
:param data: session配置字典
:return: None
"""
if self._session is None:
self._session = Session()
if 'headers' in data:
self._session.headers = CaseInsensitiveDict(data['headers'])
if 'cookies' in data:
self.set_cookies(data['cookies'], set_session=True)
attrs = ['auth', 'proxies', 'hooks', 'params', 'verify',
'cert', 'stream', 'trust_env', 'max_redirects'] # , 'adapters'
for i in attrs:
if i in data:
self._session.__setattr__(i, data[i])
def cookies_to_session(self, copy_user_agent=False):
"""把driver对象的cookies复制到session对象 \n
:param copy_user_agent: 是否复制ua信息
:return: None
"""
if copy_user_agent:
user_agent_to_session(self.driver, self.session)
self.set_cookies(self.driver.get_cookies(), set_session=True)
def cookies_to_driver(self, url):
"""把session对象的cookies复制到driver对象 \n
:param url: 作用域
:return: None
"""
browser_domain = extract(self.driver.current_url).fqdn
ex_url = extract(url)
if ex_url.fqdn not in browser_domain:
self.driver.get(url)
domain = f'{ex_url.domain}.{ex_url.suffix}'
cookies = []
for cookie in self.session.cookies:
if cookie.domain == '':
cookie.domain = domain
if domain in cookie.domain:
cookies.append(cookie)
self.set_cookies(cookies, set_driver=True)
def close_driver(self, kill=False):
"""关闭driver和浏览器"""
if self._driver:
kill_progress(port=self._driver.service.port) # 关闭chromedriver.exe进程
if kill:
self.kill_browser()
else:
self._driver.quit()
self._driver = None
def close_session(self):
"""关闭session"""
if self._session:
self._session.close()
self._session = None
def close(self):
"""关闭session、driver和浏览器"""
if self._driver:
self.close_driver()
if self._session:
self.close_session()
def user_agent_to_session(driver, session):
"""把driver的user-agent复制到session \n
:param driver: 来源driver对象
:param session: 目标session对象
:return: None
"""
driver = driver
session = session
selenium_user_agent = driver.execute_script("return navigator.userAgent;")
session.headers.update({"User-Agent": selenium_user_agent})
def create_driver(chrome_path, driver_path, options):
"""创建 WebDriver 对象 \n
:param chrome_path: chrome.exe 路径
:param driver_path: chromedriver.exe 路径
:param options: Options 对象
:return: WebDriver 对象
"""
try:
debugger_address = options.debugger_address
if options.debugger_address:
options = Options()
options.debugger_address = debugger_address
return webdriver.Chrome(driver_path, options=options)
# 若版本不对,获取对应 chromedriver 再试
except (WebDriverException, SessionNotCreatedException):
print('打开失败尝试获取driver。\n')
from .easy_set import get_match_driver
from DrissionPage.easy_set import get_chrome_path
if chrome_path == 'chrome':
chrome_path = get_chrome_path(show_msg=False, from_ini=False)
if chrome_path:
driver_path = get_match_driver(chrome_path=chrome_path, check_version=False, show_msg=True)
if driver_path:
try:
options.binary_location = chrome_path
return webdriver.Chrome(driver_path, options=options)
except Exception:
pass
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/')
exit(0)
def get_chrome_hwnds_from_pid(pid):
"""通过PID查询句柄ID"""
try:
from win32gui import IsWindow, GetWindowText, EnumWindows
from win32process import GetWindowThreadProcessId
except ImportError:
raise ImportError('请先安装win32guipip 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
def kill_progress(pid=None, port=None):
"""关闭浏览器进程 \n
:param pid: 进程id
:param port: 端口号如没有进程id从端口号获取
:return: 是否成功
"""
from os import popen
if system().lower() != 'windows':
return False
pid = pid or get_pid_from_port(port)
if not pid:
return False
if popen(f'tasklist | findstr {pid}').read().lower().startswith('chrome.exe'):
popen(f'taskkill /pid {pid} /F')
return True
else:
return False