447 lines
18 KiB
Python
447 lines
18 KiB
Python
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from utils import LessonsException, ReloginException
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from utils import sc_send,URP,logger
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import re
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from collections import deque
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from os import environ
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from pathlib import Path
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from time import sleep, time
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from typing import Callable, List, Optional
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import pandas as pd
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class Lessons(URP):
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def __init__(self):
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super().__init__()
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self.env_check()
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self.term: Optional[str] = None
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self.fajhh: Optional[str] = None
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self.interval_1 = int(environ.get("INTERVAL_1", 2)) # 请求间隔，默认为2秒
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self.interval_2 = int(environ.get("INTERVAL_2", 10)) # 请求间隔，默认为10秒
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def get_base_info(self):
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res = self.session.get(f"{self.base}/student/courseSelect/gotoSelect/index")
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res.raise_for_status()
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html = res.text
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match = re.search(r"fajhh=(\d+)", html)
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if not match:
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# print(html)
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raise LessonsException("未找到培养方案编号")
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self.fajhh = match.group(1)
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res = self.session.get(
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f"{self.base}/student/courseSelect/planCourse/index?fajhh={self.fajhh}"
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)
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res.raise_for_status()
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html = res.text
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# 使用正则表达式替代 BeautifulSoup 来查找选中的学期选项
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# 由于 HTML 结构特殊，selected 在单独行上，需要向前查找对应的 option
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lines = html.split('\n')
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for i, line in enumerate(lines):
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if 'selected' in line.strip():
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# 向前查找包含 option value 的行
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for j in range(i-1, max(0, i-10), -1):
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if 'option value=' in lines[j]:
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value_match = re.search(r'value="([^"]*)"', lines[j])
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if value_match:
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self.term = str(value_match.group(1))
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break
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if self.term:
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break
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if not self.term:
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raise LessonsException("未找到学期信息")
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# print(self.fajhh, self.term)
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def read_lessons(self) -> List[tuple[str, str, str]]:
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classes = []
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file = Path(environ.get("FILE", "class.xlsx"))
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if not file.is_file():
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raise LessonsException(f"课程文件 {file} 不存在，请检查路径")
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d: dict[str, Callable[[Path], pd.DataFrame]] = {
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".csv": pd.read_csv,
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".xlsx": pd.read_excel,
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".xls": pd.read_excel,
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".json": pd.read_json,
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}
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func = d.get(file.suffix.lower())
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if func is None:
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raise LessonsException(
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f"不支持的文件格式: {file.suffix}. 仅支持 .csv, .xlsx, .xls, .json 格式"
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)
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df = func(file)
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df.columns = df.columns.str.strip() # 去除列名两端的空格
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for col in ["课程号", "课序号", "课程名"]:
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if col not in df.columns:
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raise LessonsException(f"缺少必要的列: {col}")
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df = df[["课程号", "课序号", "课程名"]]
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df.columns = ["id", "kxh", "name"] # 重命名列
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df = df.drop_duplicates(subset=["id", "kxh"]) # 去重
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for line in df.itertuples(index=False):
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classes.append((line.id, "%02d" % line.kxh, line.name))
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return classes
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def get_left(self, cl: tuple[str, list[str], str]) -> list[int] | None:
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"""获取课程余量"""
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url = f"{self.base}/student/courseSelect/planCourse/courseList"
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params = {
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"fajhh": self.fajhh,
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"jhxn": self.term,
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"kcsxdm": "",
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"kch": cl[0],
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"kcm": "",
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"kxh": "",
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"kclbdm": "",
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"kzh": "",
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"xqh": "",
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"xq": 0,
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"jc": 0,
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}
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response = self._retry_request(lambda: self.session.post(url, data=params))
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with open("response.json", "w", encoding="utf-8") as f:
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f.write(response.text)
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data:dict = response.json()
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cls:list[dict] = data.get("rwfalist", [])
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if not cls:
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logger.error(f"课程 {cl[2]} 的课程信息为空: {data}")
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return None
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for item in cls:
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if item["classNum"] in cl[1]:
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# print(item["classNum"],type(item["classNum"]))
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if item["kcm"] != cl[2]:
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logger.critical(
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f"课程 {cl[2]} 的课程名与查询信息不匹配: {item['kcm']} != {cl[2]}"
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)
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sc_send(
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"选课异常",
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desp=f"课程 {cl[2]} 的课程名与查询信息不匹配: {item['kcm']} != {cl[2]}",
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)
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return None
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kyl:dict[str,str] = data["kylMap"]
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if len(kyl) == 0:
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logger.error(f"课程 {cl[2]} 的余量信息为空: {kyl}")
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return
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ret = []
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for kxh in cl[1]:
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key = f"{self.term}_{cl[0]}_{kxh}"
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left = kyl.get(key, None)
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if left is None:
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logger.error(
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f"课程 {cl[2]} 的余量信息不存在: {key} not in {kyl.keys()}"
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)
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ret.append(-1)
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continue
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ret.append(int(left))
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return ret
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def select(self, cl: tuple[str, str, str]) -> bool:
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"""选课"""
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url = f"{self.base}/student/courseSelect/gotoSelect/index"
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response = self._retry_request(lambda: self.session.get(url))
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response.raise_for_status()
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html = response.text
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match = re.search(r'<input type="hidden" id="tokenValue" value="(.+?)"/>', html)
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if not match:
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logger.error("未找到 tokenValue")
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return False
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token = match.group(1)
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url = f"{self.base}/student/courseSelect/selectCourse/checkInputCodeAndSubmit"
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cms = f"{cl[2]}_{cl[1]}"
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cms = ",".join(map(lambda x: str(ord(x)), cms))
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params = {
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"dealType": 2,
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"fajhh": self.fajhh,
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"kcIds": f"{cl[0]}_{cl[1]}_{self.term}",
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"kcms": cms,
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"sj": "0_0",
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"kclbdm": "",
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"kzh": "",
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"xqh": "",
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}
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sel_data = params.copy()
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sel_data.update({"inputCode": "undefined", "tokenValue": token})
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response = self._retry_request(lambda: self.session.post(url, data=sel_data))
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response.raise_for_status()
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if response.json().get("result") != "ok":
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logger.error(f"选课时发生错误: {response}")
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return False
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logger.info("选课请求已发送，等待结果...")
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url = f"{self.base}/student/courseSelect/selectCourses/waitingfor"
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response = self._retry_request(lambda: self.session.post(url, data=params))
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response.raise_for_status()
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html = response.text
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redisKey = re.search(r'var redisKey = "(.+)";', html)
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if not redisKey:
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# print(html)
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logger.error(f"选课 {cl[2]} 时未找到 redisKey")
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return False
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redisKey = redisKey.group(1)
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parms = {
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"kcNum": 1,
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"redisKey": redisKey,
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}
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cnt = 1
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while cnt <= 10:
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url = f"{self.base}/student/courseSelect/selectResult/query"
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response = self._retry_request(lambda: self.session.post(url, data=parms))
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response.raise_for_status()
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result = response.json()
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if result["isFinish"]:
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text = "\n".join(result["result"])
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if "已经选择了课程！" in text:
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logger.info(f"课程 {cl[2]} 已经选上，无需重复选课")
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return True
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if "成功" not in text:
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logger.error(f"选课失败: {text}")
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return False
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else:
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logger.info(f"选课成功: {text}")
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else:
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logger.info(f"第{cnt}次查询中...")
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cnt += 1
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sleep(1)
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logger.warning(f"选课 {cl[2]} 结果查询超时，可能未成功选课")
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return False
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def auto_spider(self):
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"""自动选课主程序"""
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try:
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self.login()
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logger.info("获取基础信息")
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self.get_base_info()
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classes_src = self.read_lessons()
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classes: dict[str, tuple[str, list[str], str]] = {}
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mp: dict[str, str] = {} # {"课程号": "课程名称"}
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for id, kxh, name in classes_src:
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mp[id] = name
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if classes.get(id) is None:
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classes[id] = (id, [kxh], name)
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else:
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if classes[id][2] != name:
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raise LessonsException(
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f"课程 {name}_{kxh} 的名称不一致: {classes[id][2]} != {name}"
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)
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classes[id][1].append(kxh)
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logger.info(f"读取课程信息，共有 {len(classes)} 门课程")
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for cl in classes.values():
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logger.info(f"课程 {cl[2]} ({cl[0]}) 的可选课序号: {', '.join(cl[1])}")
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logger.info("开始自动选课")
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errs = deque(maxlen=5)
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master_err = 0
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while classes:
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suc = []
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if len(errs) == 5 and errs[0] - time() < 20:
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logger.error("最近5次获取课程余量异常，尝试重新登录")
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sc_send("选课异常", desp="最近5次获取课程余量异常，尝试重新登录")
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self.login()
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master_err += 1
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errs.clear()
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if master_err >= 3:
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logger.error("反复发生重要异常，退出程序")
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sc_send("选课异常", desp="反复发生重要异常，退出程序")
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return
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try:
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for lcl in classes.copy().values():
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logger.info(f"检查课程 {lcl[2]} 余量")
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try:
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lefts = self.get_left(lcl)
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if lefts is None:
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errs.appendleft(time())
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logger.error(f"获取课程 {lcl[2]} 余量时返回异常")
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continue
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except ReloginException as e:
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raise e
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except Exception as e:
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errs.appendleft(time())
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logger.error(f"获取课程 {lcl[2]} 余量时发生错误: {e}")
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continue
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for i, left in enumerate(lefts):
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cl = (lcl[0], lcl[1][i], lcl[2])
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if left > 0:
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logger.info(
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f"课程 {cl[2]}_{cl[1]} 有余量: {left}，开始选课"
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)
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try:
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ret = self.select(cl)
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if ret:
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suc.append(cl)
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classes.pop(cl[0])
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break
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except ReloginException as e:
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raise e
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except Exception as e:
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errs.appendleft(time())
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logger.error(f"选课 {cl[2]}_{cl[1]} 时发生错误: {e}")
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finally:
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sleep(self.interval_1) # 避免请求过快导致服务器拒绝
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elif left == -1:
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logger.error(f"课程 {cl[2]}_{cl[1]} 余量信息异常")
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else:
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logger.info(f"课程 {cl[2]}_{cl[1]} 无余量")
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sleep(self.interval_1)
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logger.info(
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f"当前还有{len(classes)}门课程未选上，分别为{','.join(mp[i] for i in classes.keys())}。等待{self.interval_2}秒后继续检查"
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)
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if suc:
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sc_send(
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"选课成功",
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desp=f"已成功选上课程: {', '.join(f'{i[2]}_{i[1]}' for i in suc)}",
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)
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except ReloginException as e:
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logger.error(f"需要重新登录: {e}")
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sc_send("选课异常", desp=f"需要重新登录: {e}")
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self.login()
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continue
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except LessonsException as e:
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logger.error(f"选课过程中发生错误: {e}")
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sc_send("选课异常", desp=f"选课过程中发生错误: {e}")
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errs.appendleft(time())
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continue
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except Exception as e:
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logger.error(f"意外错误: {e}")
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sc_send("选课异常", desp=f"选课过程中发生意外错误: {e}")
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errs.appendleft(time())
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continue
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sleep(self.interval_2) # 等待10秒后继续检查
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logger.info("自动选课完成")
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except LessonsException as e:
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logger.error(f"选课过程中发生错误: {e}")
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sc_send("选课异常", desp=f"选课过程中发生错误: {e}")
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raise e
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except Exception as e:
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logger.error(f"意外错误: {e}")
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sc_send("选课异常", desp=f"选课过程中发生意外错误: {e}")
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raise e
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class Grade(URP):
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def __init__(self):
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super().__init__()
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self.total = None
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required_keys = [
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"uname",
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"password",
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"recap_username",
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"recap_password",
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]
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self.env_check(required_keys)
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self.interval_2 = int(environ.get("interval_2",3600))
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def query(self) -> tuple[dict[str,dict[str,str]],set[str]]:
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url = f"{self.base}/student/integratedQuery/scoreQuery/thisTermScores/index"
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res = self._retry_request(lambda:self.session.get(url))
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res.raise_for_status()
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html = res.text
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match = re.search(f"/student/integratedQuery/scoreQuery/.+/thisTermScores/data",html)
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if match:
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url = self.base+match.group(0)
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else:
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raise RuntimeError("Cannot find url")
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# url = f"{self.base}/student/integratedQuery/scoreQuery/U6I5OXib09/thisTermScores/data"
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res = self._retry_request(lambda :self.session.get(url))
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# print(res.text)
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res_json = res.json()
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l = res_json[0]["list"]
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if self.total is None:
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self.total = len(l)
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elif self.total != len(l):
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sc_send("成绩查询异常",f"课程数发生变化 {self.total}!={len(l)}")
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ret = {x["courseName"]: x for x in l if x["avgcj"].strip()!=""}
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return ret,set(ret.keys())
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@staticmethod
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def format(x:dict[str,str]):
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return f"|{x['courseName']}|{x['courseScore']}|{x['maxcj']}|{x['avgcj']}|"
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def auto_check(self):
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self.login()
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# self.session.cookies.update({"student.urpSoft.cn":"aaapnXQb62LApgwx7lkFz","UqZBpD3n3iXPAw1X9DmYiUaISMkd8YhMUen0":"v1IraGSUs3hnH"})
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grades = set()
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self.query()
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assert isinstance(self.total,int)
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assert self.total > 0
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err = 0
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while len(grades) < self.total:
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try:
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logger.info("Querying")
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cls, new = self.query()
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cls:dict[str,dict[str,str]]
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new:set[str]
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if new != grades:
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delta_names = new - grades
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delta = [cls[x] for x in delta_names]
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t = []
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t.append("新成绩")
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t.append("|学科|成绩|最高分|平均分|")
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t.append("|-|-|-|-|")
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t.extend(map(self.format,delta))
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logger.info("\n".join(t))
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t.append("---")
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t.append("所有成绩")
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t.append("|学科|成绩|最高分|平均分|")
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t.append("|-|-|-|-|")
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t.extend(map(self.format,cls.values()))
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t = "\n".join(t)
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sc_send("成绩发布",t)
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try:
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from rich.markdown import Markdown
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from rich import print
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print(Markdown(t))
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except ImportError:
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print("Cannot import rich, show markdown directly.")
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print(t)
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grades = new
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if err > 0: err-=1
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except ReloginException as e:
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logger.info("Relogin")
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sc_send("成绩监控","重新登录")
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self.login()
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except Exception as e:
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logger.error(f"Failed to update due to {e}")
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err+=1
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if err >= 5:
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logger.error("Try to relogin")
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sc_send("成绩监控","多次失败，尝试重新登录")
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self.login()
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logger.info(f"Next query will start after {self.interval_2}s")
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sleep(self.interval_2)
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logger.info("Normal terminated due to all grades is out.")
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sc_send("成绩监控","所有成绩均已公布")
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if __name__ == "__main__":
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les = Lessons()
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les.auto_spider()
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# gra = Grade()
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# gra.auto_check() |