class ActualyzerScraper:
    ACTUALYZER_USERNAME = 'gxk9295'
    ACTUALYZER_PASSWORD = 'blahblah123'

    def __init__(self):
        self.logged_in = False
        self.session_id = None

    def get_item_benchmarks(self, item_id):
        self.login()
        # do AJAX calls, etc.

    def login(self):
        if self.logged_in:
            return
        # Do login
        self.logged_in = True
        self.session_id = "ABC123"



if __name__ == '__main__':
    scraper = ActualyzerScraper()
    scraper.get_item_benchmarks("ABC123")
    scraper.get_item_benchmarks("ABC124")