超星学习通作业下载

nianboy

学习通有个很狗血的功能，作业上传成功以后，没有批改前就不能下载.琢磨半天写出个小玩意儿，大佬勿喷，多多指教！！！:lol

[Python] 纯文本查看 复制代码

import re
import requests
import pandas as pd
class ChaoXing:
    def __init__(self, user, password):
        self.password = password
        self.user = user
        self.work_data_list = []
        self.class_lists = []
        self.headers = {
            "User-agent": "Mozilla/4.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36",
        }
        self.session = requests.session()

    def session_token(self):
        login_api = "https://passport2.chaoxing.com/api/login"
        params = {
            "name": self.user,  # 学习通账号
            "pwd": self.password,  # 学习通密码
            "verify": "0",
            "schoolid": "",
        }
        self.session.get(login_api, params=params, headers=self.headers)

    def class_list(self):
        class_url = "http://mooc2-ans.chaoxing.com/visit/courses/list?v=1652629452722&rss=1&start=0&size=500&catalogId=0&searchname="
        class_data = self.session.get(url=class_url,headers=self.headers).text.replace(' ',"")
        obj = re.compile(r'"color1" href="(?P<src>.*?)".*?break-all;" title="(?P<name>.*?)">.*?<i class="icon-news"></i>',re.S)
        result = obj.finditer(class_data)
        for cx in result:
            dict={}
            dict['src']=cx.group("src")
            dict['name']=cx.group("name")
            self.class_lists.append(dict)


    def class_data(self):
        pf = pd.DataFrame(self.class_lists)
        pf.index = pf.index + 1
        data_dicts = {
            "name": "课程名称",
        }
        pf.rename(columns=data_dicts, inplace=True)
        print(pf)
        a = int(input("请输入课程序号:"))
        src = (self.class_lists[a-1]["src"])
        class_res = self.session.get(url=src,headers=self.headers).text
        work_url = re.findall(r'title="作业" data-url="(.*?)">',class_res,re.S)[0]
        courseid = re.findall(r'name="courseid" value="(.*?)"/>',class_res,re.S)[0]
        classid = re.findall(r'name="clazzid" value="(.*?)"/>', class_res, re.S)[0]
        workenc = re.findall(r'name="workEnc" value="(.*?)">', class_res, re.S)[0]
        self.work_class_url = work_url + "?courseId=" + courseid +"&classId=" + classid +"&enc="+workenc
        work_class_url_res = self.session.get(url=self.work_class_url,headers=self.headers).text
        works_url = re.findall(r'<li onclick="goTask.*?data="(.*?)">',work_class_url_res,re.S)
        for i in works_url:
            page_text = self.session.get(url=i,headers=self.headers).text
            if "span data=&quot;" in page_text:
                obj = re.compile(r'<h2 class="mark_title">(?P<name>.*?)</h2>.*?data=&quot;(?P<enc>.*?)&quot; type=&quot;(?P<type>.*?)&quot;',re.S)
            else:
                obj = re.compile(r'<h2 class="mark_title">(?P<name>.*?)</h2>.*?<p class="attachNew"><em style="font-style:normal; display:block;min-height:2px;"></em><span data="(?P<enc>.*?)" type="(?P<type>.*?)" name=".*?"',re.S)
            class_result = obj.finditer(page_text)
            for j in class_result:
                dict={}
                dict['enc'] = j.group("enc")
                dict['type'] = j.group("type")
                dict['file_name'] = (j.group("name")+"."+j.group("type")).replace(r"、",".")
                self.work_data_list.append(dict)
        pf = pd.DataFrame(self.work_data_list)
        pf.index = pf.index + 1
        data_dicts = {
            "file_name": "文件名称",
        }
        pf.rename(columns=data_dicts, inplace=True)
        print(pf)


    def download_data(self):
        work_nums = int(input("请输入你想下载文件的序号:"))
        work_enc = self.work_data_list[work_nums-1]['enc']
        work_type = self.work_data_list[work_nums-1]['type']
        work_name = self.work_data_list[work_nums-1]['file_name']
        work_url = "https://mooc1.chaoxing.com/ueditorupload/read?objectId=" + work_enc
        headers = {
            'Referer': self.work_class_url,
            "User-agent": "Mozilla/4.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36",
        }
        if work_type == 'zip':
            work_content = self.session.get(url=work_url,headers=headers,stream=True)
        else:
            work_res = self.session.get(url=work_url, headers=self.headers).text
            file_url = re.findall(r'<a class="btnDown" href="(.*?)"><span>',work_res,re.S)[0]
            work_content = self.session.get(url=file_url, headers=headers ,stream=True)
        work_path = "./" + work_name
        with open(work_path, 'wb') as f:
            for chunk in work_content.iter_content(1024 * 1024 * 2):
                f.write(chunk)


if __name__ == "__main__":
    chaoxing = ChaoXing(user="", password="")
    chaoxing.session_token()
    chaoxing.class_list()
    chaoxing.class_data()
    chaoxing.download_data()

BlueAir

nianboy 发表于 2022-5-17 10:31
chaoxing = ChaoXing(user="", password="")在这里输入账号密码然后运行就可以啦.

嗯嗯，这部试过了，会列出课程列表，有的课程可以正常显示作业，但是有的课程提示这个
Empty DataFrame
Columns: []
Index: []
请输入你想下载文件的序号:

BlueAir

BlueAir 发表于 2022-5-17 11:07
好的，找到了，谢谢你，还有问题就是 有的课程无法获取作业列表，有的获取到作业列表，但是下下载报 ...

后来又试了一下，应该是只能识别doc，和txt 类别的，视频和图片识别不了

nianboy

多给点免费的评分吧，大佬们

mengsuihuafei

好啊，有了这个再也不用等了。

xytwlh

看看怎么样

NB0100

这是个好东西，收藏备用

wuyongkui

看看，学习一下

MasterPolymath

厉害了，能推荐给同学吗？

十二三i

看看  谢谢楼主分享

lwjyan03

ModuleNotFoundError: No module named 'requests'
这是用什么版本写的？运行时出现了上面的代码。

dh1978393699

666 虽然已经用不到了