修复绩点字段为空导致崩溃并统一成绩返回类型

scripts/get_grade.py

@@ -9,6 +9,13 @@ def get_grade(student_client, output_type="none"):
         # 初始化grade为空列表
         grade = []
 
+        # 定义安全的float转换函数，避免None/空字符串导致异常
+        def safe_float(value, default=0.0):
+            try:
+                return float(value)
+            except (TypeError, ValueError):
+                return default
+
         # 使用while循环最多重试5次获取成绩信息
         while attempts > 0:
 
@@ -28,10 +35,13 @@ def get_grade(student_client, output_type="none"):
         # 成绩不为空时
         if grade:
             # 过滤出成绩大于等于60分的课程
-            filtered_grade = list(filter(lambda x: float(x["percentage_grades"]) >= 60, grade))
+            filtered_grade = list(
+                filter(lambda x: safe_float(x.get("percentage_grades")) >= 60, grade)
+            )
 
             # 遍历 grade 中的每个字典，将 title 中的中文括号替换为英文括号
             for course_data_grade in grade:
+                if course_data_grade.get("title"):
                     course_data_grade["title"] = (
                         course_data_grade["title"].replace("（", "(").replace("）", ")")
                     )
@@ -41,7 +51,9 @@ def get_grade(student_client, output_type="none"):
             sorted_grade = sorted(
                 grade,
                 key=lambda x: (
-                    x["submission_time"] if x["submission_time"] else "1970-01-01 00:00:00"
+                    x.get("submission_time")
+                    if x.get("submission_time")
+                    else "1970-01-01 00:00:00"
                 ),
                 reverse=True,
             )
@@ -49,24 +61,28 @@ def get_grade(student_client, output_type="none"):
             # 大于等于60分的课程不为空时
             if filtered_grade:
                 # 学分总和
-                total_credit = sum(float(course["credit"]) for course in filtered_grade)
+                total_credit = sum(safe_float(course.get("credit")) for course in filtered_grade)
 
                 # 学分绩点总和
-                total_xfjd = sum(float(course["xfjd"]) for course in filtered_grade)
+                total_xfjd = sum(safe_float(course.get("xfjd")) for course in filtered_grade)
 
                 # (百分制成绩*学分)的总和
                 sum_of_percentage_grades_multiplied_by_credits = sum(
-                    float(course["percentage_grades"]) * float(course["credit"])
+                    safe_float(course.get("percentage_grades")) * safe_float(course.get("credit"))
                     for course in filtered_grade
                 )
 
                 # GPA计算 (学分*绩点)的总和/学分总和
+                if total_credit > 0:
                     gpa = "{:.2f}".format(total_xfjd / total_credit)
 
                     # 百分制GPA计算 (百分制成绩*学分)的总和/学分总和
                     percentage_gpa = "{:.2f}".format(
                         sum_of_percentage_grades_multiplied_by_credits / total_credit
                     )
+                else:
+                    total_credit = total_xfjd = sum_of_percentage_grades_multiplied_by_credits = 0
+                    gpa = percentage_gpa = 0
             else:
                 total_credit = total_xfjd = sum_of_percentage_grades_multiplied_by_credits = gpa = (
                     percentage_gpa
@@ -80,24 +96,24 @@ def get_grade(student_client, output_type="none"):
 
                 # 如果成绩非数字，如及格、良好、中等、优秀等，则显示百分制成绩
                 try:
-                    float(course["grade"])  # 检查成绩是否为数字
+                    float(course.get("grade"))  # 检查成绩是否为数字
-                    score_grades = course["grade"]
+                    score_grades = course.get("grade")
-                except ValueError:
+                except (TypeError, ValueError):
-                    score_grades = f"{course['grade']} ({course['percentage_grades']})"
+                    score_grades = f"{course.get('grade')} ({course.get('percentage_grades')})"
 
                 # 整合成绩信息
                 integrated_grade_info += (
                     f"\n"
-                    f"教学班ID：{course['class_id']}\n"
+                    f"教学班ID：{course.get('class_id')}\n"
-                    f"课程名称：{course['title']}\n"
+                    f"课程名称：{course.get('title')}\n"
-                    f"任课教师：{course['teacher']}\n"
+                    f"任课教师：{course.get('teacher')}\n"
                     f"成绩：{score_grades}\n"
-                    f"提交时间：{course['submission_time']}\n"
+                    f"提交时间：{course.get('submission_time')}\n"
-                    f"提交人姓名：{course['name_of_submitter']}\n"
+                    f"提交人姓名：{course.get('name_of_submitter')}\n"
                     f"------"
                 )
 
-            last_submission_time = sorted_grade[0]["submission_time"]
+            last_submission_time = sorted_grade[0].get("submission_time") if sorted_grade else ""
 
             if output_type == "grade":
                 return grade
@@ -114,4 +130,6 @@ def get_grade(student_client, output_type="none"):
 
     except Exception:
         print(traceback.format_exc())
+        if output_type == "grade":
+            return []
         return "获取成绩时出错"

scripts/get_selected_courses.py

@@ -8,6 +8,10 @@ def get_selected_courses(student_client):
         # 获取成绩信息
         grade = get_grade(student_client, output_type="grade")
 
+        # 成绩信息异常时，保证grade为列表，避免后续索引报错
+        if not isinstance(grade, list):
+            grade = []
+
         # 定义重试次数上限为5次
         attempts = 5
         # 初始化selected_courses为空列表
@@ -35,8 +39,8 @@ def get_selected_courses(student_client):
             selected_courses = sorted(
                 selected_courses,
                 key=lambda x: (
-                    (x["course_year"] if x["course_year"] else "1970-1971"),
+                    (x.get("course_year") if x.get("course_year") else "1970-1971"),
-                    (x["course_semester"] if x["course_semester"] else "1"),
+                    (x.get("course_semester") if x.get("course_semester") else "1"),
                 ),
                 reverse=True,
             )
@@ -45,7 +49,7 @@ def get_selected_courses(student_client):
             ungraded_courses_by_semester = {}
 
             # 获取成绩列表中的class_id集合
-            grade_class_ids = {course["class_id"] for course in grade} if grade else ""
+            grade_class_ids = {course.get("class_id") for course in grade} if grade else set()
 
             # 初始化输出内容
             selected_courses_filtering = ""
@@ -56,15 +60,17 @@ def get_selected_courses(student_client):
                 try:
                     year, semester, seq = course["course_year"].split("-") + [course["course_semester"]]
                 except Exception:
-                    pass
+                    year, semester, seq = "1970", "1971", "1"
 
                 # 构建年学期名称,例如 "a至b学年第c学期"
                 yearsemester_name = f"{year}至{semester}学年第{seq}学期"
 
                 # 判断课程是否未公布成绩
-                if course["class_id"] not in grade_class_ids:
+                if course.get("class_id") not in grade_class_ids:
                     # 未公布成绩
-                    ungraded_courses_by_semester.setdefault(yearsemester_name, []).append(f"{course['title'].replace('（', '(').replace('）', ')')} - {course['teacher']}")
+                    ungraded_courses_by_semester.setdefault(yearsemester_name, []).append(
+                        f"{course.get('title', '').replace('（', '(').replace('）', ')')} - {course.get('teacher')}"
+                    )
 
             # 构建输出内容
             if ungraded_courses_by_semester: