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CATCH_PUBLIC_COURSE.py
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CATCH_PUBLIC_COURSE.py
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from bs4 import BeautifulSoup
import time
import MENU
class info:
InitHeader = {"Host": "jwxt.buu.edu.cn", "Connection": "keep-alive",
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36"}
rules_page = "https://jwxt.buu.edu.cn/sm_qxxxk.aspx"
public_course_page_main = "https://jwxt.buu.edu.cn/xf_xsqxxxk.aspx"
class PublicCourse:
def __init__(self, account):
self.account = account
self.course_list = []
self.num_of_selected = 0
self.num_of_courses = 0
def get_public_page(self):
url = info.public_course_page_main + "?xh=" + self.account.account_data["username"]
header = info.InitHeader
header["Referer"] = url
response = self.account.session.get(url=url, headers=header)
time.sleep(3.5)
if response.url != url:
print('dismissing the rule')
response = self.read_rules(response)
soup = BeautifulSoup(response.text, "lxml")
POSTData = {
"ddl_ywyl": "",
"__EVENTTARGET": "dpkcmcGrid$txtPageSize",
"__VIEWSTATE": soup.find("input", type="hidden", id="__VIEWSTATE").get("value"),
"__VIEWSTATEGENERATOR": soup.find("input", type="hidden", id="__VIEWSTATEGENERATOR").get("value"),
"dpkcmcGrid$txtChoosePage": "1",
"dpkcmcGrid$txtPageSize": "200"
}
response = self.account.session.post(url=response.url, data=POSTData)
print("------get_public_page success------")
return response
def read_rules(self, response):
url = info.rules_page + "?xh=" + self.account.account_data["username"]
header = info.InitHeader
header["Referer"] = url
time.sleep(3.5)
response = self.account.session.get(url=url, headers=header)
soup = BeautifulSoup(response.text, "lxml")
POSTDate = {
"__VIEWSTATE": soup.find("input", id="__VIEWSTATE").get("value"),
"__VIEWSTATEGENERATOR": soup.find("input", id="__VIEWSTATEGENERATOR").get("value"),
"button1": "我已认真阅读，并同意以上内容",
"TextBox1": 0
}
response = self.account.session.post(url=url, data=POSTDate)
return response
def get_the_message_of_page(self, response):
soup = BeautifulSoup(response.text, "lxml")
links = soup.find_all("tr")
for num, link in enumerate(links[1:]):
try:
tds = link.find_all("td")
name = tds[2].text
code = tds[3].text
teacher = tds[4].text
time = tds[5].text
margin = tds[11].text
if time == "校区":
break
lessen = PublicCourseInfo(num + 1, name, code, teacher, time, margin)
self.course_list.append(lessen)
except BaseException:
break
return
def catch_course(self, response):
number = str(int(input("输入想要抢的课程编号(课程编号即为第一项序号)\n退出程序输入数字‘0’\n>>>")) + 1)
if number == "1":
return
url = info.public_course_page_main + "?xh=" + self.account.account_data["username"]
soup = BeautifulSoup(response.text, "lxml")
POSTData = {
"__EVENTTARGET": "dpkcmcGrid$txtPageSize",
"__VIEWSTATE": soup.find("input", type="hidden", id="__VIEWSTATE").get("value"),
"__VIEWSTATEGENERATOR": soup.find("input", type="hidden", id="__VIEWSTATEGENERATOR").get("value"),
"dpkcmcGrid$txtChoosePage": "1",
"dpkcmcGrid$txtPageSize": "200",
"Button1": "立即提交"
}
POSTData["kcmcGrid$ctl" + number.zfill(2) + "$xk"] = "on"
POSTData["kcmcGrid$ctl" + number.zfill(2) + "$jc"] = "on"
while True:
print("当前正在抢 " + self.course_list[int(number) - 2].name)
response = self.account.session.post(url=url, data=POSTData)
if self.num_of_selected_courses(response) == (self.num_of_selected + 1):
print("抢课成功！" + "\t\t" + str(time.strftime('%m-%d-%H-%M-%S', time.localtime(time.time()))),flush=True)
self.num_of_selected += 1
return
else:
try:
reason = "错误原因：" + BeautifulSoup(response.text, 'lxml').find('script').string.split("'")[1]
except BaseException:
reason = "错误原因：未知或已抢课成功"
print(reason + "\t\t" + str(time.strftime('%m-%d-%H-%M-%S', time.localtime(time.time()))),flush=True)
def num_of_selected_courses(self, response):
soup = BeautifulSoup(response.text, "lxml")
links = soup.find_all("tr")
number = 0
for link in links[1:]:
try:
tds = link.find_all("td")
tmp = tds[5].text
number = number + 1
if tmp == "校区":
number = 0
except BaseException:
break
return number
def search(self):
search_dic = {
"序号": "关键词类型",
"1": "课程名称",
"2": "教师",
"3": "时间"
}
search_dic_menu = MENU.MENU(search_dic)
search_dic_menu.print_list()
n = input(">>>")
key = input("输入查询信息：")
if n == "1":
for lesson in self.course_list:
if key in lesson.name:
lesson.show_course_info()
elif n == "2":
for lesson in self.course_list:
if key in lesson.teacher:
lesson.show_course_info()
elif n == "3":
for lesson in self.course_list:
if key in lesson.time:
lesson.show_course_info()
return
def run(self):
response = self.get_public_page()
self.get_the_message_of_page(response)
dic_of_public = {
"1": "列出所有课表",
"2": "按类型搜索内容",
"0": "退出"
}
dic_of_public_menu = MENU.MENU(dic_of_public)
dic_of_public_menu.print_list()
while True:
n = input(">>>")
if n == "1":
for lessen in self.course_list:
lessen.show_course_info()
break
elif n == "2":
self.search()
break
elif n == "0":
return
print("请输入正确的序号")
self.num_of_selected = self.num_of_selected_courses(response)
print("已选课程数量：" + str(self.num_of_selected))
self.catch_course(response)
pass
class PublicCourseInfo:
def __init__(self, num, name, code, teacher, time, margin):
self.num = str(num)
self.name = str(name)
self.code = str(code)
self.teacher = str(teacher)
self.time = str(time)
self.margin = str(margin)
def show_course_info(self):
print("课程编号:" + self.num
+ "\t课程名称:" + self.name
+ "\t课程代码:" + self.code
+ "\t课程教师:" + self.teacher
+ "\t课程时间:" + self.time
+ "\t课程余量:" + self.margin)
def __contains__(self, item):
if item in self:
return True
else:
return False