helper.py 文件源码

def goto_course_list(self):
        """Go to the course picker."""
        long_wait = WebDriverWait(self.driver, 30)
        try:
            long_wait.until(
                expect.presence_of_element_located(
                    (By.ID, 'ox-react-root-container')
                )
            )
            if 'tutor' in self.current_url():
                self.find(By.CSS_SELECTOR, '.ui-brand-logo').click()
                self.page.wait_for_page_load()
            else:
                raise HTTPError('Not currently on an OpenStax Tutor webpage:' +
                                '%s' % self.current_url())
        except Exception as ex:
            raise ex