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# -*- coding: utf-8 -*- |
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from __future__ import absolute_import, unicode_literals |
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from six.moves.urllib import parse |
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from bs4 import BeautifulSoup |
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from requests import RequestException |
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from school_api.client.api.base import BaseSchoolApi |
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from school_api.client.api.utils import get_alert_tip, get_view_state_from_html |
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from school_api.client.api.utils.schedule_parse import ScheduleParse |
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from school_api.client.utils import ScheduleType, UserType |
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from school_api.utils import to_text |
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from school_api.exceptions import ScheduleException |
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class Schedule(BaseSchoolApi): |
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schedule_type = None |
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schedule_year = None |
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schedule_term = None |
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schedule_url = None |
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def get_schedule(self, schedule_year=None, schedule_term=None, schedule_type=None, **kwargs): |
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''' 课表信息 获取入口 |
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:param schedule_year: 课表学年 |
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:param schedule_term: 课表学期 |
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:param schedule_type: 0.个人课表 1.班级课表 |
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:param kwargs: requests模块参数 |
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:return: |
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''' |
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self.schedule_type = ScheduleType.CLASS if self.user_type \ |
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else schedule_type or ScheduleType.PERSON |
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self.schedule_year = schedule_year |
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self.schedule_term = str(schedule_term) if schedule_term else schedule_term |
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self.schedule_url = self.school_url["SCHEDULE_URL"][self.schedule_type] |
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if self.user_type != UserType.DEPT: |
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self.schedule_url += self.account |
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data = self._get_api(**kwargs) |
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else: |
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self.schedule_url += parse.quote(self.account.encode('gb2312')) |
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data = self._get_api_by_bm(**kwargs) |
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if self.schedule_term and self.schedule_year and ( |
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self.schedule_term != data["schedule_term"] or self.schedule_year != data["schedule_year"]): |
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raise ScheduleException(self.code, '暂无课表信息') |
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return data |
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def _get_api(self, **kwargs): |
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coding = 'gbk' if self.user_type else 'GB18030' |
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try: |
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res = self._get(self.schedule_url, **kwargs) |
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if res.status_code == 302: |
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raise ScheduleException(self.code, '课表接口已关闭') |
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elif res.status_code != 200: |
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raise RequestException |
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except RequestException: |
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raise ScheduleException(self.code, '获取课表请求参数失败') |
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html = res.content.decode(coding) |
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tip = get_alert_tip(html) |
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if tip: |
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raise ScheduleException(self.code, tip) |
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schedule = ScheduleParse(html, self.time_list, self.schedule_type).get_schedule_dict() |
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# 第一次请求的时候，教务系统默认返回当前学年学期课表 |
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# 如果设置了学年跟学期，则获取指定学年学期的课表 |
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if self.schedule_year and self.schedule_term and ( |
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self.schedule_year != schedule['schedule_year'] or self.schedule_term != schedule['schedule_term']): |
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payload = self._get_payload(res.text) |
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try: |
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res = self._post(self.schedule_url, data=payload, **kwargs) |
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if res.status_code != 200: |
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raise RequestException |
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except RequestException: |
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raise ScheduleException(self.code, '获取课表信息失败') |
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html = res.content.decode(coding) |
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schedule = ScheduleParse( |
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html, |
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self.time_list, |
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self.schedule_type |
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).get_schedule_dict() |
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return schedule |
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def _get_payload(self, html): |
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''' 获取课表post 的参数 ''' |
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view_state = get_view_state_from_html(html) |
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payload = { |
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'__VIEWSTATE': view_state, |
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['xnd', 'xn'][self.schedule_type]: self.schedule_year, |
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['xqd', 'xq'][self.schedule_type]: self.schedule_term |
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} |
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return payload |
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def _get_api_by_bm(self, class_name, **kwargs): |
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''' 部门教师 查询学生班级课表 共3个请求''' |
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# steps 1: 获取课表 view_state |
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try: |
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res = self._get(self.schedule_url, **kwargs) |
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if res.status_code != 200: |
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raise RequestException |
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view_state = get_view_state_from_html(res.text) |
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except RequestException: |
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raise ScheduleException(self.code, '获取课表请求参数失败') |
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# steps 2: 选择课表 学年学期 |
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if self.schedule_year and self.schedule_term: |
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payload = { |
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'__VIEWSTATE': view_state, |
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'xn': self.schedule_year, |
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'xq': self.schedule_term |
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} |
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try: |
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res = self._post(self.schedule_url, data=payload, **kwargs) |
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if res.status_code != 200: |
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raise RequestException |
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except RequestException: |
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raise ScheduleException(self.code, '获取课表请求参数失败') |
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# steps 3: 获取课表数据 |
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payload = self._get_payload_by_bm( |
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res.content.decode('gbk'), |
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class_name |
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) |
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try: |
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res = self._post(self.schedule_url, data=payload, **kwargs) |
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if res.status_code != 200: |
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raise RequestException |
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except RequestException: |
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raise ScheduleException(self.code, '获取课表信息失败') |
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html = res.content.decode('gbk') |
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schedule = ScheduleParse( |
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html, |
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self.time_list, |
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self.schedule_type |
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).get_schedule_dict() |
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return schedule |
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@staticmethod |
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def _get_payload_by_bm(html, class_name): |
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''' 提取页面参数用于请求课表 ''' |
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pre_soup = BeautifulSoup(html, "html.parser") |
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view_state = pre_soup.find(attrs={"name": "__VIEWSTATE"})['value'] |
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schedule_id_list = pre_soup.find(id='kb').find_all('option') |
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class_name = to_text(class_name) |
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schedule_id = '' |
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for name in schedule_id_list: |
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if name.text == class_name: |
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schedule_id = name['value'] |
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break |
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# 获取班级课表 |
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payload = { |
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'__VIEWSTATE': view_state, |
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'kb': schedule_id |
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} |
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return payload |
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dairoot /
school-api
