Tencent Lexiang course

lexiang.py

import json
import random
from urllib import parse

import requests
from bs4 import BeautifulSoup

CLASS_ID = 'CLASS_ID_HERE'
COOKIES = 'YOUR_COOKIES_HERE'
UA = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.122 Safari/537.36'

course_url = 'https://lexiangla.com/api/v1/classes/' + CLASS_ID
study_url = 'https://lexiangla.com/api/v1/classes/' + CLASS_ID + '/courses/{courseid}/study'


def main():
    session = requests.session()
    session.headers.update({
        'user-agent': UA,
        'isajax': 'true',
        'origin': 'https://lexiangla.com',
        'x-requested-with': 'XMLHttpRequest'
    })

    for c in COOKIES.split(';'):
        k, v = c.strip().split('=', 1)
        v = parse.quote(v)
        session.cookies.set(k, v)

    page = session.get(course_url, allow_redirects=False)
    soup = BeautifulSoup(page.content, 'html5lib')
    course_data = json.loads(soup.body.text)
    print('Title:', course_data['data']['title'])
    pass_time = course_data['data']['pass']['succeeded_at']
    passed = pass_time is not None
    if passed:
        print('Course already passed at', pass_time)
        return
    courses_list = list()
    for ch in course_data['data']['chapters']:
        chapter = dict()
        chapter['name'] = ch['name']
        chapter['courses'] = list()
        for c in ch['courses']:
            chapter['courses'].append({
                'title': c['title'],
                'id': c['id'],
                'duration': c['duration'],
                'passed_time': c['pass']['succeeded_at'] if c['pass'] else None
            })
        courses_list.append(chapter)
    print(session.cookies.get_dict())
    session.headers.update({'x-xsrf-token': session.cookies.get('XSRF-TOKEN', domain='.lexiangla.com')})
    for ch in courses_list:
        print('\nChapter:', ch['name'])
        for c in ch['courses']:
            print('\n  - Course:', c['title'])
            if c['passed_time'] is not None:
                print('      Already passed, skip')
                continue
            resp = session.put(study_url.format(courseid=c['id']),
                               json={'learn_time': int(c['duration'] + random.randrange(2, 13))})
            if resp.json()['code'] == 0:
                print('      Success!')
    page = session.get(course_url, allow_redirects=False)
    soup = BeautifulSoup(page.content, 'html5lib')
    course_data = json.loads(soup.body.text)
    pass_time = course_data['data']['pass']['succeeded_at']
    if pass_time is not None:
        print('SUCCESS! Course completed at', pass_time)
    else:
        print('Check failed, course not showing completed, check again later')


if __name__ == '__main__':
    main()