计算学分绩点Python脚本

gpa.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import re
import requests

data = {"post_xuehao": "111111789"}

page = requests.post('http://xkzx.sdut.edu.cn/cjcx/zcjcx_list.php', data=data)
par = re.compile('<td scope="col" align=".*" valign="middle" nowrap>&nbsp;(.*?)</td>')
ret = par.findall(page.content)

score_list = []
for j in [ret[i:i + 16] for i in xrange(13, len(ret), 16)]:
    dic = {
        "year": j[1],           # 学年
        "category": j[3],       # 类别
        "name": j[5],           # 课程名称
        "credit": float(j[7]),  # 学分
        "model": j[8],          # 考核方式
        "initial": j[10],       # 原考成绩
        "makeup": j[11],        # 补考成绩
    }
    score_list.append(dic)

for item in score_list[:]:
    if item['category'] in ("公选课",) or item['model'] in ("第二专业", ):
        score_list.remove(item)
    else:
        # 处理其他分数形式
        convert_dict = {
            '优秀': 95, '良好': 84, '良': 84, '中等': 73, '免修': 70,
            '及格': 62,  '已修': 60, '及': 62, '合格': 60,
            '不及格': 0, '缺考': 0, '禁考': 0, '退学': 0, '-': 0,
            '休学': 0, '未选': 0, '作弊': 0, '不合格': 0,'取消': 0,

        }
        for _t in ('initial', 'makeup'):
            if item[_t] == "": item[_t] = 0
            if item[_t] in convert_dict.keys():
                item[_t] = convert_dict[item[_t]]

        stay_list = {'缓考（时': 0, '缓考': 0,}
        if item['initial'] in stay_list:
            if item['makeup'] >= 60: item['initial'] = float(item['makeup'])
        elif item['makeup'] in stay_list:
            item["makeup"] = 0


        # 计算课程绩点
        item["initial"] = 0 if float(item['initial']) < 60 else float(item['initial'])
        item["makeup"] = 60 if float(item['makeup']) >= 60 else 0

score_dict = {}
for l in score_list:
    if l['name'] in score_dict.keys():
        score_dict[l['name']]['initial'] = max(l['initial'], score_dict[l['name']]['initial'])
        score_dict[l['name']]['makeup']  = max(l['makeup'], score_dict[l['name']]['makeup'])
    else:
        score_dict.update({l['name']:l})


sum_course_gpa = float()
sum_course_credit = float()
for d in score_dict:
    item = score_dict[d]
    sum_course_gpa += float(max(item['initial'], item['makeup'])) * item['credit']
    sum_course_credit += item['credit']

print sum_course_gpa / sum_course_credit