合并达成度功能

module/schema.py

@@ -1,5 +1,6 @@
 import random
-from typing import Optional
+from typing import Optional, Tuple
+
 from openpyxl.reader.excel import load_workbook
 
 
@@ -31,6 +32,7 @@ class Question:
             if row[0] is None and row[1] is None:
                 break
             questions.append(Question(*row))
+        wb.close()
         return questions
 
     @property
@@ -64,6 +66,7 @@ class Student:
         students = []
         for row in ws.iter_rows(min_row=6, max_col=5, values_only=True):
             students.append(Student(*row))
+        wb.close()
         return [x for x in students if x.valid]
 
     @property
@@ -115,6 +118,7 @@ class Course:
         wb = load_workbook(path, read_only=True)
         ws = wb.active
         name: str = ws['E3'].value
+        wb.close()
         return Course(name[5:])
 
     @property
@@ -122,5 +126,15 @@ class Course:
         return self._name
 
 
+class Performance:
+    def __init__(self, scores: Tuple[float, float, float], rates: Tuple[float, float, float], achievement: float):
+        self.scores = scores  # (平时平均分, 大作业平均分, 试卷平均分)
+        self.rates = rates  # (平时得分率, 大作业得分率, 试卷得分率)
+        self.achievement = achievement  # 达成度
+
+    def __str__(self):
+        return f"Performance(scores={self.scores}, rates={self.rates}, achievement={self.achievement})"
+
+
 if __name__ == '__main__':
     ...