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SingleVideoHelper.py
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SingleVideoHelper.py
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# -*- coding: utf-8 -*-
# version 4
# developed by zk chen
import time
import requests
import re
import json
'''
长江雨课堂版本，在一些网址上有修改。
需要自己填写以下的个人信息和课程信息，
而且，，，每次只能刷一个课程。
(没有测试过网络拥塞的情况)
2021.10
'''
# 以下的csrftoken和sessionid需要改成自己登录后的cookie中对应的字段！！！！而且脚本需在登录雨课堂状态下使用
# 登录上雨课堂，然后按F12-->选Application-->找到雨课堂的cookies，寻找csrftoken和sessionid字段，并复制到下面两行即可
csrftoken = "" # 需改成自己的
sessionid = "" # 需改成自己的
# 对单个课程的 video helper
user_id = "" # 需改成自己的
sku_id = "" # 需改成自己的
course_id = "" # 需改成自己的
course_name = "" # 需改成自己的
classroom_id = "" # 需改成自己的
headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.81 Safari/537.36',
# 'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.67 Safari/537.36',
'Content-Type': 'application/json',
'Cookie': 'csrftoken=' + csrftoken + '; sessionid=' + sessionid + '; university_id=3078; platform_id=3',
'x-csrftoken': csrftoken,
'sec-fetch-dest': 'empty',
'sec-fetch-mode': 'cors',
'sec-fetch-site': 'same-origin',
'university-id': '3078',
'xtbz': 'cloud'
}
leaf_type = {
"video": 0,
"homework": 6,
"exam": 5,
"recommend": 3,
"discussion": 4
}
def one_video_watcher(video_id, video_name, cid, user_id, classroomid, skuid):
video_id = str(video_id)
classroomid = str(classroomid)
url = "https://changjiang.yuketang.cn/video-log/heartbeat/"
get_url = "https://changjiang.yuketang.cn/video-log/detail/?cid=" + str(
cid) + "&user_id=" + user_id + "&classroom_id=" + classroomid + "&video_type=video&vtype=rate&video_id=" + str(
video_id) + "&snapshot=1" # &term=latest&uv_id=3078
progress = requests.get(url=get_url, headers=headers)
if_completed = '0'
try:
if_completed = re.search(r'"completed":(.+?),', progress.text).group(1)
except:
pass
if if_completed == '1':
print(video_name + "已经学习完毕，跳过")
return 1
else:
print(video_name + "，尚未学习，现在开始自动学习")
video_frame = 0
val = 0
learning_rate = 20
t = time.time()
timestap = int(round(t * 1000))
while val != "1.0" and val != '1':
heart_data = []
for i in range(50):
heart_data.append(
{
"c": cid,
"cc": video_id,
"classroomid": classroomid,
"cp": video_frame,
"d": 643.7, # 4976.5,
"et": "heartbeat",
"fp": 0,
"i": 5,
"lob": "ykt",
"n": "ali-cdn.xuetangx.com",
"p": "web",
"pg": "6611328_18kfd", # 4512143_tkqx
"skuid": skuid,
"sp": 1, # speed of the video
"sq": 67, # 2
"t": "video",
"tp": 0,
"ts": str(timestap),
"u": int(user_id),
"uip": "",
"v": int(video_id)
}
)
video_frame += learning_rate
max_time = int((time.time() + 3600) * 1000)
timestap = min(max_time, timestap + 1000 * 15)
data = {"heart_data": heart_data}
r = requests.post(url=url, headers=headers, json=data)
try:
error_msg = json.loads(r.text)["message"]
if "anomaly" in error_msg:
video_frame = 0
except:
pass
try:
delay_time = re.search(r'Expected available in(.+?)second.', r.text).group(1).strip()
print("由于网络阻塞，万恶的雨课堂，要阻塞" + str(delay_time) + "秒")
time.sleep(float(delay_time) + 0.5)
video_frame = 0
print("恢复工作啦～～")
r = requests.post(url=submit_url, headers=headers, data=data)
except:
pass
progress = requests.get(url=get_url, headers=headers)
tmp_rate = re.search(r'"rate":(.+?)[,}]', progress.text)
if tmp_rate is None:
return 0
val = tmp_rate.group(1)
print("学习进度为：" + str(float(val) * 100) + "%/100%" + " last_point: " + str(video_frame))
time.sleep(0.7)
print("视频" + video_id + " " + video_name + "学习完成！")
return 1
def get_videos_ids(course_name, classroom_id, course_sign):
get_homework_ids = "https://changjiang.yuketang.cn/c27/online_courseware/xty/kls/pub_news/29552/"
homework_ids_response = requests.get(url=get_homework_ids, headers=headers)
homework_json = json.loads(homework_ids_response.text)
homework_dic = {}
try:
for i in homework_json["data"]["content_info"]:
if "section_list" in i:
for j in i["section_list"]:
for z in j["leaf_list"]:
if z["leaf_type"] == leaf_type["video"]:
homework_dic[z["id"]] = j["name"]
else:
print("?????????????")
print(course_name + "共有" + str(len(homework_dic)) + "个作业喔！")
return homework_dic
except:
print("fail while getting homework_ids!!! please re-run this program!")
raise Exception("fail while getting homework_ids!!! please re-run this program!")
if __name__ == "__main__":
# your_courses = []
# 首先要获取用户的个人ID，即user_id,该值在查询用户的视频进度时需要使用
# 然后要获取教室id
get_classroom_id = "https://changjiang.yuketang.cn/mooc-api/v1/lms/user/user-courses/?status=1&page=1&no_page=1&term=latest&uv_id=3078"
submit_url = "https://changjiang.yuketang.cn/mooc-api/v1/lms/exercise/problem_apply/?term=latest&uv_id=3078"
classroom_id_response = requests.get(url=get_classroom_id, headers=headers)
'''
try:
for ins in json.loads(classroom_id_response.text)["data"]["product_list"]:
your_courses.append({
"course_name": ins["course_name"],
"classroom_id": ins["classroom_id"],
"course_sign": ins["course_sign"],
"sku_id": ins["sku_id"],
"course_id": ins["course_id"]
})
except Exception as e:
print("fail while getting classroom_id!!! please re-run this program!")
raise Exception("fail while getting classroom_id!!! please re-run this program!")
'''
course_sign = "" # 未使用
homework_dic = get_videos_ids(course_name, classroom_id, course_sign)
for one_video in homework_dic.items():
one_video_watcher(one_video[0], one_video[1], course_id, user_id, classroom_id, sku_id)
'''
显示用户提示
for index, value in enumerate(your_courses):
print("编号："+str(index+1)+" 课名："+str(value["course_name"]))
number = input("你想刷哪门课呢？请输入编号。输入0表示全部课程都刷一遍\n")
if int(number)==0:
#0 表示全部刷一遍
for ins in your_courses:
homework_dic = get_videos_ids(ins["course_name"],ins["classroom_id"], ins["course_sign"])
for one_video in homework_dic.items():
one_video_watcher(one_video[0],one_video[1],ins["course_id"],user_id,ins["classroom_id"],ins["sku_id"])
else:
#指定序号的课程刷一遍
number = int(number)-1
homework_dic = get_videos_ids(your_courses[number]["course_name"],your_courses[number]["classroom_id"],your_courses[number]["course_sign"])
for one_video in homework_dic.items():
one_video_watcher(one_video[0], one_video[1], your_courses[number]["course_id"], user_id, your_courses[number]["classroom_id"],
your_courses[number]["sku_id"])
'''