一 前言
每当选课的时候，都如同打仗一般
都有自己想要的课，但是名额就那么一点
于是各显神通，有人用js，有人用chrome的console
人生苦短，我用Python
二 环境依赖
- Python 2.7.12
- (NEW) Python 3.3 & Python 3.6
- pip freeze > Requirement.txt
Requirement.txt
beautifulsoup4==4.6.0bs4==0.0.1configparser==3.5.0lxml==3.7.3requests==2.13.0tqdm==4.11.2
三 使用方法
获取程序
你可以直接git clone最新版本的程序
$ git clone https://github.com/okcd00/CDSelector.git$ cd CDSelector$ vim config 修改登陆信息$ vim courseid 修改选课信息$ python CDSelector
你也可以去release下载当前最新的稳定版Release
https://github.com/okcd00/CDSelector/releases
修改文件 config
[info]username = [你的帐户名邮箱]password = [你的密码]runtime = [每隔多少秒尝试选课一次][action]debug = true [debug模式输出中间变量，为节省资源可设置为false]enroll = true [轮询模式下无限循环尝试，没想过什么情况下需要设为false]evaluate = true [验证选课成功与否，建议开启]select_bat = false [批选课，应用于类似英语B这种不让单独选，必须同时选俩才给提交表单的特殊情况]
修改文件 courseid
类似如下的每行一门课的课程编号即可，
091M7014H091M7021H
特别的，如果这门课要选成学位课的话，
091M7014H091M7021H on
形似第二行加个空格加个on即可
然后运行 CDSelector.py
$ python CDSelector.pyDebug Mode: TrueLogin successEnrolling start> Course Selection is unreachable or not started. <1134> Thu Jun 01 08:43:42 2017
如果显示ImportError，就是说缺少了某些python包，在这里提供了requirement.txt
可以在当前目录下直接
$ pip install -r requirement.txt
一次性安装所有依赖项
四 Source Code
由于时不时还更新一下，所以这里只是v1.0.0首发版本
web端访问部分参考了scusjs，功能强化参考了zoecur
(Updated 2017-09-07) 现在更新一波，v1.0.7版本。
import osimport sysimport timeimport requestsfrom bs4 import BeautifulSoupfrom configparser import RawConfigParserclass UCASEvaluate: def __init__(self): self.__readCoursesId('./courseid') cf = RawConfigParser() cf.read('config') self.username = cf.get('info', 'username') self.password = cf.get('info', 'password') self.runtime = cf.getint('info', 'runtime') self.debug = cf.getboolean('action', 'debug') self.enroll = cf.getboolean('action', 'enroll') self.evaluate = cf.getboolean('action', 'evaluate') self.select_bat = cf.getboolean('action', 'select_bat') self.loginPage = 'http://sep.ucas.ac.cn' self.loginUrl = self.loginPage + '/slogin' self.courseSystem = self.loginPage + '/portal/site/226/821' self.courseBase = 'http://jwxk.ucas.ac.cn' self.courseIdentify = self.courseBase + '/login?Identity=' self.courseSelected = self.courseBase + '/courseManage/selectedCourse' self.courseSelectionBase = self.courseBase + '/courseManage/main' self.courseCategory = self.courseBase + '/courseManage/selectCourse?s=' self.courseSave = self.courseBase + '/courseManage/saveCourse?s=' self.studentCourseEvaluateUrl = 'http://jwjz.ucas.ac.cn/Student/DeskTopModules/' self.selectCourseUrl = 'http://jwjz.ucas.ac.cn/Student/DesktopModules/Course/SelectCourse.aspx' self.enrollCount = {} self.headers = { 'Host': 'sep.ucas.ac.cn', 'Connection': 'keep-alive', 'Pragma': 'no-cache', 'Cache-Control': 'no-cache', 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8', 'Upgrade-Insecure-Requests': '1', 'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.80 Safari/537.36', 'Accept-Encoding': 'gzip, deflate, sdch', 'Accept-Language': 'zh-CN,zh;q=0.8,en;q=0.6', } self.s = requests.Session() loginPage = self.s.get(self.loginPage, headers=self.headers) self.cookies = loginPage.cookies def login(self): postdata = { 'userName': self.username, 'pwd': self.password, 'sb': 'sb' } self.s.post(self.loginUrl, data=postdata, headers=self.headers) if 'sepuser' in self.s.cookies.get_dict(): return True return False def getMessage(self, restext): css_soup = BeautifulSoup(restext, 'html.parser') text = css_soup.select('#main-content > div > div.m-cbox.m-lgray > div.mc-body > div')[0].text return "".join(line.strip() for line in text.split('\n')) def __readCoursesId(self, filename): coursesFile = open(filename, 'r') self.coursesId = {} for line in coursesFile.readlines(): line = line.strip().replace(' ', '').split(':') courseId = line[0] isDegree = False if len(line) == 2 and line[1] == 'on': isDegree = True self.coursesId[courseId] = isDegree def enrollCourses(self): response = self.s.get(self.courseSystem, headers=self.headers) soup = BeautifulSoup(response.text, 'html.parser') try: identity = str(soup).split('Identity=')[1].split('"'[0])[0] coursePage = self.courseIdentify + identity response = self.s.get(coursePage) response = self.s.get(self.courseSelected) idx, lastMsg = 0, "" while True: msg = "" if self.select_bat: result, msg = self.__enrollCourses(self.coursesId) if result: self.coursesId.clear() else: for eachCourse in self.coursesId: if eachCourse in response.text: print("Course " + eachCourse + " has been selected.") continue if (eachCourse in self.enrollCount and self.enrollCount[eachCourse] == 0): continue self.enrollCount[eachCourse] = 1 result, msg = self.__enrollCourse(eachCourse, self.coursesId[eachCourse]) if result: self.enrollCount[eachCourse] = 0 for enroll in self.enrollCount: if self.enrollCount[enroll] == 0: self.coursesId.pop(enroll) self.enrollCount.clear() if not self.coursesId: return 'INVALID COURSES_ID' idx += 1 time.sleep(self.runtime) showText = "\r> " + "%s <%d> %s" % ( msg, idx, time.asctime( time.localtime(time.time()) ) ) lastMsg = msg sys.stdout.write(showText) sys.stdout.flush() except KeyboardInterrupt: print("\nKeyboardInterrupt Detected, bye!") return "STOP" except Exception as exception: return "Course_Selection_Port is not open, waiting..." def __enrollCourse(self, courseId, isDegree): response = self.s.get(self.courseSelectionBase) if self.debug: with open('./check.html', 'wb+') as f: f.write(response.text.encode('utf-8')) soup = BeautifulSoup(response.text, 'html.parser') categories = dict([(label.contents[0][:2], label['for'][3:]) for label in soup.find_all('label')[2:]]) categoryId = categories[courseId[:2]] identity = soup.form['action'].split('=')[1] postdata = { 'deptIds': categoryId, 'sb': 0 } categoryUrl = self.courseCategory + identity response = self.s.post(categoryUrl, data=postdata) if self.debug: print ("Now Posting, save snapshot in check2.html.") with open('./check2.html', 'wb+') as f: f.write(response.text.encode('utf-8')) soup = BeautifulSoup(response.text, 'html.parser') courseTable = soup.body.form.table if courseTable: courseTable = courseTable.find_all('tr')[1:] else: return False, "Course Selection is unreachable or not started." courseDict = dict([(c.span.contents[0], c.span['id'].split('_')[1]) for c in courseTable]) if courseId in courseDict: postdata = { 'deptIds': categoryId, 'sids': courseDict[courseId] } if isDegree: postdata['did_' + courseDict[courseId]] = courseDict[courseId] courseSaveUrl = self.courseSave + identity response = self.s.post(courseSaveUrl, data=postdata) print ("Now Checking, save snapshot in result.html.") with open('result.html','wb+') as f: f.write(response.text.encode('utf-8')) if 'class="error' not in response.text: return True, '[Success] ' + courseId else: return False, self.getMessage(response.text).strip() else: return False, "No such course" def __enrollCourses(self, courseIds): response = self.s.get(self.courseSelectionBase) if self.debug: with open('./check.html', 'wb+') as f: f.write(response.text.encode('utf-8')) soup = BeautifulSoup(response.text, 'html.parser') categories = dict([(label.contents[0][:2], label['for'][3:]) for label in soup.find_all('label')[2:]]) identity = soup.form['action'].split('=')[1] categoryIds = [] for courseId in courseIds: categoryIds.append(categories[courseId[:2]]) postdata = { 'deptIds': categoryIds, 'sb': 0 } categoryUrl = self.courseCategory + identity response = self.s.post(categoryUrl, data=postdata) if self.debug: print ("Now Posting, save snapshot in check2.html.") with open('./check2.html', 'wb+') as f: f.write(response.text.encode('utf-8')) soup = BeautifulSoup(response.text, 'html.parser') courseTable = soup.body.form.table if courseTable: courseTable = courseTable.find_all('tr')[1:] else: return False, "Course Selection is unreachable or not started." courseDict = dict([(c.span.contents[0], c.span['id'].split('_')[1]) for c in courseTable]) postdata = { 'deptIds': categoryIds, 'sids': [courseDict[courseId] for courseId in courseIds] } courseSaveUrl = self.courseSave + identity response = self.s.post(courseSaveUrl, data=postdata) print ("Now Checking, save snapshot in result.html.") with open('result.html','wb+') as f: f.write(response.text.encode('utf-8')) if 'class="error' not in response.text: return True, '[Success] ' + courseId else: return False, self.getMessage(response.text).strip()if __name__ == "__main__": print("starting...") os.system('MODE con: COLS=128 LINES=32 & TITLE Welcome to CDSelector') from logo import show_logo show_logo() os.system('cls') time.sleep(1) os.system("color 0A") os.system('MODE con: COLS=80 LINES=10 & TITLE CD_Course_Selecting is working') while True: try: ucasEvaluate = UCASEvaluate() break except Exception as e: if e[0]=="Connection aborted.": ucasEvaluate = UCASEvaluate() if ucasEvaluate.debug: print ("Debug Mode: %s" % str(ucasEvaluate.debug) ) print ("In debug mode, you can check snapshot with html files.") print ("By the way, Ctrl+C to stop.") if not ucasEvaluate.login(): print('Login error. Please check your username and password.') exit() print('Login success: ' + ucasEvaluate.username) print('Enrolling starts') while ucasEvaluate.enroll: status = ucasEvaluate.enrollCourses() if status == 'STOP': break else: status += time.asctime( time.localtime(time.time()) ) sys.stdout.write("%s\r" % status) print('Enrolling finished')
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五 获取途径
- Github： https://github.com/okcd00/CDSelector
- Release： https://github.com/okcd00/CDSelector/releases
- 说明文档： http://blog.csdn.net/okcd00/article/details/72827861
