DOWNLOADER_MIDDLEWARES = {
    "scrapy_selenium_demo.selenium_middleware.SeleniumMiddleware": 800,
}

SELENIUM_COMMAND_EXECUTOR = "http://localhost:4444/wd/hub"
SELENIUM_HEADLESS = True
SELENIUM_TIMEOUT = 20

CONCURRENT_REQUESTS = 1
CONCURRENT_REQUESTS_PER_DOMAIN = 1
DOWNLOAD_DELAY = 1.0
ROBOTSTXT_OBEY = True