# 浏览器的类型（Chrome,ie,firefox）
# 浏览器启动参数（无头化，最大化，尺寸华）
# 浏览器的属性（显示尺寸，隐式等待/页面加载/js执行时间）
from selenium.webdriver import *
from typing import Type, Union

class BrowserTypeError(Exception):
    def __int__(self, _type):
        self._type = _type

    def __str__(self):
        return f'unsupported browser type:{self._type}'

class BROWSER:
    CHROM_DRIVER_PATH = r'd:\chromedriver.exe'
    EDG_DRIVER_PATH = r'd:\msedgedriver.exe'
    WINDOWS_SIZE = (1024, 768)
    IMP_TIME = 30
    PAGE_LOAD_TIME = 20
    SCRIP_TIME_OUT = 20
    HEAD_LESS = True

    def __int__(self, browser_type: Type[Union[Chrome, Ie, Edge, Firefox]] = Chrome,
                option_type: Type[Union[ChromeOptions, IeOptions, FirefoxOptions]] = ChromeOptions,
                driver_path: str = CHROM_DRIVER_PATH):
        # 类型校验
        if not issubclass(browser_type, (Chrome, Ie, Edge, Firefox)):
            raise BrowserTypeError
        if not issubclass(option_type, (ChromeOptions, IeOptions, FirefoxOptions)):
            raise BrowserTypeError
        if not isinstance(driver_path, str):
            raise TypeError
        self._path = driver_path
        self._browser = browser_type
        self._option = option_type


    # @property装饰器会将方法转换为相同名称的只读属性
    @property
    def options(self):
        '''
        浏览器特定的操作，在子类中实现
        :return:
        '''
        return
    @property
    def browser(self):
        '''
        启动浏览器，返回浏览器实例
        :return:
        '''
        return


class CHROME(BROWSER):
    METHED_MARK = True
    OPTION_MATK = True
    HEAD_LESS = False
    IMP_TIME = 30
    PAGE_LOAD_TIME = 30
    SCRIP_TIME_OUT = 30
    WINDOWS_SIZE = (1920, 900)

    STRAT_MAX = '--start-maximized'
    EXP = {
        # 不会显示正在受到自动软软件控制，移动模拟的形式打开，web时不需要
        'excludeSwitches': ['enable-automation'],
        'mobileEmulation': {'deviceName': 'iphone 6'}
    }

    @property
    def options(self):
        """
        chrome浏览器特有的操作属性
        :return:
        """
        if self.OPTION_MATK:
            # 继承父类的options操作
            chrome_option = self._option()
            chrome_option.add_argument(self.STRAT_MAX)
            for k, v in self.EXP.items():
                chrome_option.add_experimental_option(k, v)
            return chrome_option
        return None


    @property
    def browser(self):
        if self.options:
            chrome = self._browser(self._path, options=self.options)
        else:
            chrome = self._browser(self._path)
        if self.METHED_MARK:
            chrome.implicitly_wait(self.IMP_TIME)
            chrome.set_script_timeout(self.SCRIP_TIME_OUT)
            chrome.set_page_load_timeout(self.PAGE_LOAD_TIME)
            chrome.set_window_size(*self.WINDOWS_SIZE)
            return chrome
        return chrome


with CHROME().browser as _chrome:
    _chrome.get('http://127.0.0.1:80/index.php')
    from time import sleep
    sleep(3)

请问是哪里写错了？