自动批改程序：随机减分策略

def score_program(self):
    try:
        # 循环打分小分值
        while True:
            if not self.running:
                break

            if self.paused:
                continue

            # 等待题目组出现
            while True:
                try:
                    elements = self.browser.find_elements(By.CLASS_NAME, 'card-div')
                    if elements:
                        break
                except:
                    pass
                time.sleep(3)

            score_list = []
            subject_number_list = []
            for element in elements:
                # 查找待批改元素
                card_score_element = element.find_element(By.CLASS_NAME, 'card-score')
                if '待批改' not in card_score_element.text:
                    continue
                # 查找题号元素
                subject_number_element = element.find_element(By.CLASS_NAME, 'subject-number')
                subject_number_text = subject_number_element.text
                # 提取题号
                subject_number = ''
                for char in subject_number_text:
                    if char.isdigit():
                        subject_number += char
                subject_number_list.append(subject_number)
                self.update_text_box(f'待批改的题目号为：{subject_number}
')

                # 判断是否作答
                answered = False
                elements = self.browser.find_elements(By.ID, f'subject-{subject_number}')
                for element in elements:
                    answer_content_element = element.find_elements(By.CLASS_NAME, 'answer-content')
                    if answer_content_element:
                        answered = True
                        break
                if not answered:
                    self.update_text_box(f'第{subject_number}题未作答，不获取分值
')
                    continue

                # 查找题目分值
                summary_numbers = []
                for element in elements:
                    summary_element = element.find_element(By.CLASS_NAME, 'summary-sub-title')
                    summary_text = summary_element.text
                    summary_number = ''
                    for char in summary_text:
                        if char.isdigit():
                            summary_number += char
                    summary_numbers.append(int(summary_number))
                    self.update_text_box(f'第{subject_number}题的分值为：{summary_number}
')

                # 将题目分值存入列表
                score_list.extend(summary_numbers)

            # 如果只有一个题目，则对这道题的分值减去1-2分；如果只有一个题目，并且题目的分值大于等于50，则对这道题的分值减,1-5分，
            if len(score_list) == 1:
                if score_list[0] >= 50:
                    score_list[0] -= random.randint(1, 5)
                else:
                    score_list[0] -= random.randint(1, 2)
                print(f'第{subject_number_list[0]}题减{score_list[0]}分，已填入{score_list[0]}分')
            else:
                # 随机选择2-5个题目减分
                if len(score_list) <= 5:
                    reduce_num = len(score_list) - 1
                else:
                    reduce_num = random.randint(2, 5)
                # 对样本数量进行判断
                if reduce_num > len(score_list) - 1:
                    reduce_num = len(score_list) - 1
                elif reduce_num < 0:
                    reduce_num = 0
                reduce_index_list = random.sample(range(len(score_list)), reduce_num)

                # 对选择的题目减分
                for i in reduce_index_list:
                    subject_number = subject_number_list[i]
                    reduce_score = random.randint(1, 2)
                    score_list[i] -= reduce_score
                    self.update_text_box(f'第{subject_number}题减{reduce_score}分，已填入{score_list[i]}分')

            # 将分值填入分值框中
            for i, subject_number in enumerate(subject_number_list):
                elements = self.browser.find_elements(By.ID, f'subject-{subject_number}')
                for element in elements:
                    score_element = element.find_element(By.NAME, 'score')
                    score_element.clear()
                    score_element.send_keys(str(score_list[i]))
                    time.sleep(1)

            # 等待提交成功
            while True:
                try:
                    self.browser.find_element(By.CLASS_NAME, 'toast-message')
                    time.sleep(1)
                except:
                    break

            # 点击下一个学生
            next_student_element = self.browser.find_element(By.CLASS_NAME, 'icon-student-right-narrow')
            if 'unclickable' in next_student_element.get_attribute('class'):
                print('已经到最后一个学生')
                self.update_running_label('已到最后，请手动保存后重新开始！')
                break
            else:
                next_student_element.click()
                time.sleep(3)
                self.update_running_label('小分值打分中...')

    except Exception as e:
        print(e)
        self.update_running_label('打分失败，请重试')
    finally:
        self.start_score_button.config(state='normal')
        self.start_score_button_2.config(state='normal')
        self.stop_score_button.config(state='disabled')
        self.pause_button.config(state='disabled')