text: import os
  
  from webdriver_manager.driver_cache import DriverCache
  from webdriver_manager.utils import download_file
  
  
  class DriverManager(object):
      def __init__(self, root_dir=None, log_level=None, cache_valid_range=1):
          self.driver_cache = DriverCache(root_dir, cache_valid_range)
          global_log_level = os.getenv('WDM_LOG_LEVEL')
          if not global_log_level and log_level:
              os.environ['WDM_LOG_LEVEL'] = str(log_level)
  
      def install(self):
          raise NotImplementedError("Please Implement this method")
  
      def _get_driver_path(self, driver):
          browser_version = driver.browser_version
  
          driver_name = driver.get_name()
          os_type = driver.get_os_type()
          driver_version = driver.get_version()
  
          binary_path = self.driver_cache.find_driver(browser_version, driver_name, os_type,
                                                      driver_version)
          if binary_path:
              return binary_path
  
          file = download_file(driver.get_url())
          binary_path = self.driver_cache.save_file_to_cache(file, browser_version,
                                                             driver_name, os_type, driver_version)
          return binary_path
  