service.py

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from selenium.webdriver.common import service


class Service(service.Service):
    """
    Object that manages the starting and stopping of the ChromeDriver
    """

    def __init__(self, executable_path, port=0, service_args=None,
                 log_path=None, env=None):
        """
        Creates a new instance of the Service

        :Args:
         - executable_path : Path to the ChromeDriver
         - port : Port the service is running on
         - service_args : List of args to pass to the chromedriver service
         - log_path : Path for the chromedriver service to log to"""

        self.service_args = service_args or []
        if log_path:
            self.service_args.append('--log-path=%s' % log_path)

        service.Service.__init__(self, executable_path, port=port, env=env,
                                 start_error_message="Please see https://sites.google.com/a/chromium.org/chromedriver/home")

    def command_line_args(self):
        return ["--port=%d" % self.port] + self.service_args