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#!/usr/bin/python3
import requests
from bs4 import BeautifulSoup
from prettytable import PrettyTable
import sys
from urllib.parse import urlencode
import getpass
class Score:
def __init__(self, stuid: str, pwd: str):
self.data = {
'stuid': stuid,
'pwd': pwd
}
self.cookie = ''
self.bs = None
self.rank_bs = None
self.table = None
self.courses = None
self.out = PrettyTable()
self.out.field_names = ['课程名', '考试类型', '学分', '实验成绩', '平时成绩', '期中成绩', '期末成绩', '总成绩',
'选课人数', '最高分', '最低分', '排名']
self.get_cookie()
self.all_courses = None
self.gpa = 0
self.cur_gpa = 0
def get_cookie(self, retry_times=5):
if retry_times == 0:
print('无法获取 Cookies')
exit(1)
try:
req2 = requests.post('http://222.194.15.1:7777/pls/wwwbks/bks_login2.login', self.data,
allow_redirects=False)
self.cookie = req2.headers.get('Set-Cookie')
except Exception as e:
print(e)
self.get_cookie(retry_times - 1)
def __get_courses_bs(self):
req = requests.get('http://222.194.15.1:7777/pls/wwwbks/bkscjcx.curscopre',
headers={'Cookie': self.cookie})
req.encoding = 'GBK'
if len(req.text) == 0:
raise Exception('无法获取成绩')
self.bs = BeautifulSoup(req.text, 'lxml')
self.table = self.bs.find_all('table')[4]
self.courses = self.table.find_all('tr')[1:]
def __get_gpa_bs(self):
req = requests.get('http://222.194.15.1:7777/pls/wwwbks/bkscjcx.yxkc',
headers={'Cookie': self.cookie})
req.encoding = "GBK"
if len(req.text) == 0:
raise Exception('无法获取成绩')
self.bs = BeautifulSoup(req.text, 'lxml')
tmp = self.bs.find_all('table')[4]
self.all_courses = tmp.find_all('tr')
def __get_score(self):
ret = []
for course in self.courses:
td = course.find_all('td')
ret.append([td[2].find('p').text, td[13].find('p').text,
td[4].find('p').text, td[6].find('p').text,
td[7].find('p').text, td[8].find('p').text,
td[9].find('p').text, td[10].find('p').text, ])
return ret
def __get_rank(self):
rank_data = ''
for course in self.courses:
td = course.find_all('td')
if td[0].input is None:
continue
rank_data += '&' + urlencode({'p_pm': td[0].input.attrs['value'].encode('GBK')})
rank_data = rank_data[1:]
req2 = requests.post('http://222.194.15.1:7777/pls/wwwbks/bkscjcx.cursco',
rank_data,
headers={'Cookie': self.cookie})
req2.encoding = 'GBK'
if len(req2.text) == 0:
raise Exception('无法获取排名')
ret = {}
self.rank_bs = BeautifulSoup(req2.text, 'lxml').find_all('table')[4].find_all('tr')[1:]
for course_rank in self.rank_bs:
td = course_rank.find_all('td')
ret[td[1].text] = [td[3].text, td[4].text, td[5].text, td[6].text]
return ret
def __get_gpa(self):
all_tmp = []
cur_tmp = []
for course in self.all_courses:
td = course.find_all('td')
all_tmp.append([td[3].find('p').text, td[9].find('p').text])
for course in self.courses:
td = course.find_all('td')
cur_tmp.append([td[4].find('p').text, td[10].find('p').text])
credit = 0.0
total_grade = 0.0
for i in range(1, len(all_tmp)):
course = all_tmp[i]
if float(course[1]) >= 60.0:
credit += float(course[0])
total_grade += float(course[0]) * float(course[1])
self.gpa = total_grade / credit / 100 * 4
cur_credit = 0.0
cur_total_grade = 0.0
for course in cur_tmp:
cur_credit += float(course[0])
if course[1].strip() != "":
cur_total_grade += float(course[0]) * float(course[1])
if(cur_credit == 0):
return
else:
self.cur_gpa = cur_total_grade / cur_credit / 100 * 4
@staticmethod
def __append_rank(scores, ranks):
ret = []
for i in scores:
ret.append(i + ranks.get(i[0], ['', '', '', '']))
return ret
def run(self, retry_times=5):
if retry_times == 0:
print('退出')
exit(1)
try:
self.__get_courses_bs()
self.__get_gpa_bs()
result = self.__append_rank(self.__get_score(), self.__get_rank())
for i in result:
self.out.add_row(i)
print(self.out)
self.__get_gpa()
if (self.cur_gpa == 0):
print("No avilible course this semester for now")
else:
print("GPA of this semester : ", end="")
print('%.2f' % (self.cur_gpa))
print("GPA of all courses : ", end="")
print('%.2f' % (self.gpa))
except Exception as e:
print(e)
self.run(retry_times - 1)
def print_usage():
print("""Usage:
{}
{} 学号
{} 学号 密码""".format(sys.argv[0], sys.argv[0], sys.argv[0]))
exit(1)
if __name__ == '__main__':
stu_id = None
pwd = None
if len(sys.argv) == 1:
stu_id = input('学号：')
pwd = getpass.getpass('密码：')
elif len(sys.argv) == 2 and len(sys.argv[1]) == 9:
stu_id = sys.argv[1]
pwd = getpass.getpass('密码：')
elif len(sys.argv) == 3 and len(sys.argv[1]) == 9:
stu_id = sys.argv[1]
pwd = sys.argv[2]
else:
print_usage()
exit(1)
Score(stu_id, pwd).run()
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