Selenium 自动化批改系统：内蒙古开放大学试卷打分脚本

from selenium.webdriver.chrome.options import Options
from selenium import webdriver
import time
import os
import random


def get_driver():
    # 检查是否已经打开浏览器
    browser_opened = False
    for handle in webdriver.Chrome().window_handles:
        browser_opened = True
        break

    # 创建浏览器实例或在已有浏览器中操作
    if browser_opened:
        options = Options()
        options.debugger_address = "127.0.0.1:9222"
        driver = webdriver.Chrome(options=options)
    else:
        os.system(r'start chrome --remote-debugging-port=9222 --user-data-dir="D:\评阅用"')
        options = Options()
        options.add_experimental_option("debuggerAddress", "127.0.0.1:9222")
        driver = webdriver.Chrome(options=options)

    return driver


driver = get_driver()

# 找到有'内蒙古开放大学'字样的标签页
while True:
    for handle in driver.window_handles:
        driver.switch_to.window(handle)
        if '内蒙古开放大学' in driver.title:
            print("登录成功")
            break
    else:
        time.sleep(3)
        continue
    break

# 循环打分
while True:
    # 统计待批改元素的数量和题号
    not_marked_elements = driver.find_elements("css selector", "div.status.not-marked.ng-scope")
    not_marked_numbers = []
    for element in not_marked_elements:
        number_element = element.find_element("css selector", "div.subject-number span.ng-binding")
        not_marked_numbers.append(int(number_element.text))
    print(f"待批改元素数量：{len(not_marked_elements)}")
    print(f"待批改题号：{not_marked_numbers}")

    # 在网页内查找所有class属性为summary-sub-title的元素，并提取其中的数字
    while True:
        elements = driver.find_elements("class name", "summary-sub-title")
        if len(elements) > 0:
            break
        else:
            time.sleep(3)

    if len(elements) == 1:
        # 对该数字减分
        score = int(''.join(filter(str.isdigit, elements[0].text)))
        score -= random.randint(1, 2)
        print(f"分值为：{score}")

        # 判断是否已经填写了答案
        answer = driver.find_element("class name", "answer-content")
        if answer.text:
            # 填写分数
            print("可以打分")
            score_input = driver.find_element("css selector", "input[name='score']")
            score_input.clear()
            score_input.send_keys(str(score))
            time.sleep(1.5)  # 等待自动保存
            print(f"已打分：{score}")
    else:
        scores = []
        for element in elements:
            text = element.text
            num = ''.join(filter(str.isdigit, text))
            num = int(num)
            scores.append(num)

        # 随机对2-5个数字减去1-2分
        num_to_reduce = random.randint(2, 5)
        if len(scores) >= num_to_reduce > 0:
            for i in random.sample(range(len(scores)), num_to_reduce):
                scores[i] -= random.randint(1, 2)

        # 打印修改后的分数
        for i, score in enumerate(scores):
            print(f"第{i + 1}题分值为：{score}")

            # 判断是否已经填写了答案
            answer = driver.find_element("class name", "answer-content")
            if answer.text:
                # 填写分数
                print(f"第{i + 1}题可以打分")
                score_input = driver.find_elements("css selector", "input[name='score']")[i]
                score_input.clear()
                score_input.send_keys(str(score))
                time.sleep(1)  # 等待自动保存
                print(f"第{i + 1}题已打分：{score}")
    time.sleep(3)
    # 查找下一个学生按钮并点击
    for i in range(3):
        try:
            next_student_button = driver.find_element("css selector", "span.icon-student-right-narrow.clickable")
            next_student_button.click()
            time.sleep(3)  # 等待页面加载完成
            break
        except:
            time.sleep(3)
            continue
    else:
        print("已到最后一个学生")
        break