reworked web_parser to class

app/core/bot.py

@@ -5,7 +5,7 @@ from aiogram import Bot, types
 from aiogram.contrib.middlewares.logging import LoggingMiddleware
 from aiogram.dispatcher import Dispatcher
 from aiogram.utils.callback_data import CallbackData
-from app.core.parse_web import get_driver, parse_yandex_maps
+from app.core.parse_web import WebParser
 from app.settings import TELEGRAM_API_TOKEN
 
 
@@ -14,7 +14,6 @@ class TransportBot:
     bot: Bot = Bot(TELEGRAM_API_TOKEN)
     dispatcher: Dispatcher = Dispatcher(bot)
     dispatcher.middleware.setup(LoggingMiddleware())
-
     stations_cb: CallbackData = CallbackData('station', 'direction')
 
     @staticmethod
@@ -46,8 +45,8 @@ class TransportBot:
     async def home_office(
         query: types.CallbackQuery, callback_data: dict[str, str]
     ) -> types.Message:
-        driver = get_driver()
-        text = parse_yandex_maps(
+        driver = WebParser.get_driver()
+        text = WebParser.parse_yandex_maps(
             driver=driver,
             url='https://yandex.ru/maps/213/moscow/stops/stop__9640740/?ll=37.527924%2C55.823470&tab=overview&z=21',
             message='Остановка Б. Академическая ул, д. 15',
@@ -62,8 +61,8 @@ class TransportBot:
     async def office_home(
         query: types.CallbackQuery, callback_data: dict[str, str]
     ) -> types.Message:
-        driver = get_driver()
-        text = parse_yandex_maps(
+        driver = WebParser.get_driver()
+        text = WebParser.parse_yandex_maps(
             driver=driver,
             url='https://yandex.ru/maps/213/moscow/stops/stop__9640288/?ll=37.505402%2C55.800214&tab=overview&z=21',
             message='Остановка Улица Алабяна',
@@ -87,8 +86,8 @@ class TransportBot:
         if not chat_ids:
             return None
 
-        driver = get_driver()
-        text = parse_yandex_maps(
+        driver = WebParser.get_driver()
+        text = WebParser.parse_yandex_maps(
             driver=driver,
             url='https://yandex.ru/maps/213/moscow/stops/stop__9640740/?ll=37.527924%2C55.823470&tab=overview&z=21',
             message='Остановка Б. Академическая ул, д. 15',

app/core/parse_web.py

@@ -18,93 +18,97 @@ from selenium.webdriver.firefox.service import Service
 from selenium.webdriver.firefox.webdriver import RemoteWebDriver, WebDriver
 
 
-def download_gecko_driver() -> None:
-    gecko_driver = (
-        f'https://github.com/mozilla/geckodriver/releases/download/v{GECKO_DRIVER_VERSION}/'
-        f'geckodriver-v{GECKO_DRIVER_VERSION}-linux64.tar.gz'
-    )
-
-    if not Path(BASE_DIR / 'geckodriver').exists():
-        logger.info(f'Downloading gecodriver v {GECKO_DRIVER_VERSION}...')
-        geckodriver_file = wget.download(
-            url=gecko_driver, out=BASE_DIR.resolve().as_posix()
+class WebParser:
+    @staticmethod
+    def download_gecko_driver() -> None:
+        gecko_driver_url = (
+            f'https://github.com/mozilla/geckodriver/releases/download/v{GECKO_DRIVER_VERSION}/'
+            f'geckodriver-v{GECKO_DRIVER_VERSION}-linux64.tar.gz'
         )
 
-        with tarfile.open(geckodriver_file) as tar:
-            tar.extractall(BASE_DIR)
-        os.remove(f'{BASE_DIR / "geckodriver"}-v{GECKO_DRIVER_VERSION}-linux64.tar.gz')
-        logger.info(f'\ngeckodriver has been downloaded to folder {BASE_DIR}')
-
-
-def configure_firefox_driver(private_window: bool = False) -> WebDriver | None:
-    opt = options.Options()
-    opt.headless = True
-    opt.add_argument('-profile')
-    opt.add_argument(f'{Path.home()}/snap/firefox/common/.mozilla/firefox')
-    if private_window:
-        opt.set_preference("browser.privatebrowsing.autostart", True)
-    service = Service(executable_path=(BASE_DIR / 'geckodriver').as_posix())
-    try:
-        firefox_driver = webdriver.Firefox(service=service, options=opt)
-        return firefox_driver
-    except WebDriverException:
-        logger.error('Error configuring webdriver. Possible it already configured')
-        return None
-
-
-def parse_yandex_maps(
-    url: str, message: str, driver: RemoteWebDriver | None = None
-) -> str:
-    if not driver:
-        logger.error('Driver is not configured')
-        return 'Что-то пошло не так. :( Драйвер Firefox не сконфигурирован.'
-
-    driver.get(url)
-    time.sleep(1)
-
-    bus_arrival: dict[str, str | None] = defaultdict(str)
-
-    try:
-        web_elements = driver.find_elements(
-            by='class name', value='masstransit-vehicle-snippet-view'
-        )
-        for web_element in web_elements:
-            bus = web_element.find_element(
-                by='class name', value='masstransit-vehicle-snippet-view__main-text'
+        if not Path(BASE_DIR / 'geckodriver').exists():
+            logger.info(f'Downloading gecodriver v {GECKO_DRIVER_VERSION}...')
+            geckodriver_file = wget.download(
+                url=gecko_driver_url, out=BASE_DIR.resolve().as_posix()
             )
-            if bus:
-                bus_arrival_time = web_element.find_element(
-                    by='class name',
-                    value='masstransit-prognoses-view__title-text',
+
+            with tarfile.open(geckodriver_file) as tar:
+                tar.extractall(BASE_DIR)
+            os.remove(
+                f'{BASE_DIR / "geckodriver"}-v{GECKO_DRIVER_VERSION}-linux64.tar.gz'
+            )
+            logger.info(f'\ngeckodriver has been downloaded to folder {BASE_DIR}')
+
+    @staticmethod
+    def configure_firefox_driver(private_window: bool = False) -> WebDriver | None:
+        opt = options.Options()
+        opt.headless = True
+        opt.add_argument('-profile')
+        opt.add_argument(f'{Path.home()}/snap/firefox/common/.mozilla/firefox')
+        if private_window:
+            opt.set_preference("browser.privatebrowsing.autostart", True)
+        service = Service(executable_path=(BASE_DIR / 'geckodriver').as_posix())
+        try:
+            firefox_driver = webdriver.Firefox(service=service, options=opt)
+            return firefox_driver
+        except WebDriverException:
+            logger.error('Error configuring webdriver. Possible it already configured')
+            return None
+
+    @staticmethod
+    def parse_yandex_maps(
+        url: str, message: str, driver: RemoteWebDriver | None = None
+    ) -> str:
+        if not driver:
+            logger.error('Driver is not configured')
+            return 'Что-то пошло не так. :( Драйвер Firefox не сконфигурирован.'
+
+        driver.get(url)
+        time.sleep(1)
+
+        bus_arrival: dict[str, str | None] = defaultdict(str)
+
+        try:
+            web_elements = driver.find_elements(
+                by='class name', value='masstransit-vehicle-snippet-view'
+            )
+            for web_element in web_elements:
+                bus = web_element.find_element(
+                    by='class name', value='masstransit-vehicle-snippet-view__main-text'
                 )
-                match bus.text:
-                    case "300":
-                        bus_arrival["Автобус 300"] = (
-                            bus_arrival_time.text if bus_arrival_time else None
-                        )
-                    case "т19":
-                        bus_arrival["Автобус Т19"] = (
-                            bus_arrival_time.text if bus_arrival_time else None
-                        )
-    except NoSuchElementException:
-        pass
-    except StaleElementReferenceException:
-        pass
+                if bus:
+                    bus_arrival_time = web_element.find_element(
+                        by='class name',
+                        value='masstransit-prognoses-view__title-text',
+                    )
+                    match bus.text:
+                        case "300":
+                            bus_arrival["Автобус 300"] = (
+                                bus_arrival_time.text if bus_arrival_time else None
+                            )
+                        case "т19":
+                            bus_arrival["Автобус Т19"] = (
+                                bus_arrival_time.text if bus_arrival_time else None
+                            )
+        except NoSuchElementException:
+            pass
+        except StaleElementReferenceException:
+            pass
 
-    if not any(bus_arrival.values()):
-        return 'Автобусов 300 или Т19 не найдено. \n\nСмотри на карте :)'
+        if not any(bus_arrival.values()):
+            return 'Автобусов 300 или Т19 не найдено. \n\nСмотри на карте :)'
 
-    answer = f'{message}\n\n'
-    for bus_name, arrival_time in bus_arrival.items():
-        answer += f'{bus_name} - {arrival_time}\n'
-    return answer
+        answer = f'{message}\n\n'
+        for bus_name, arrival_time in bus_arrival.items():
+            answer += f'{bus_name} - {arrival_time}\n'
+        return answer
 
-
-@timed_cache(seconds=DRIVER_SESSION_TTL)
-def get_driver() -> RemoteWebDriver:
-    opt = options.Options()
-    opt.headless = True
-    driver = RemoteWebDriver(
-        command_executor='http://selenoid_host:4444/wd/hub', options=opt
-    )
-    return driver
+    @staticmethod
+    @timed_cache(seconds=DRIVER_SESSION_TTL)
+    def get_driver() -> RemoteWebDriver:
+        opt = options.Options()
+        opt.headless = True
+        driver = RemoteWebDriver(
+            command_executor='http://selenoid_host:4444/wd/hub', options=opt
+        )
+        return driver