views.py 文件源码

def get_course_status(course_num):
    client = Client()
    subject = client.get_course_subject(course_num)
    if subject is None:
        return None
    semester = get_semester()
    subject_url = "http://classes.cornell.edu/browse/roster/" + semester + "/subject/" + subject
    subject_page = requests.get(subject_url)
    subject_page.raise_for_status()
    subject_bs4 = bs4.BeautifulSoup(subject_page.text, "html.parser")
    course_code_tags = subject_bs4.find_all("strong", class_="tooltip-iws")
    for tag in course_code_tags:
        course_code = int(tag.getText().strip())
        if course_num == course_code:
            section = tag.parent.parent.parent
            status = section.find_all('li', class_ = "open-status")[0].i["class"][-1]
            if "open-status-open" in status:
                return "open"
            if "open-status-closed" in status:
                return "closed"
            if "open-status-warning" in status:
                return "waitlist"
            if "open-status-archive" in status:
                return "archive"