本次班级互评的问卷星自动打分脚本

auto_grader.py

import time
import sys
import threading

try:
    import keyboard  # for hotkey / key events
except ImportError:
    keyboard = None

try:
    import pyautogui  # for typing
except ImportError:
    pyautogui = None

ANSWERS = ["22", "22", "18", "13", "13"] # 默认分数
ANSWERS_2 = ["25", "25", "20", "15", "15"]
EXCELLENT_STUDENTS = [2, 3, 4, 11, 25, 26, 30] # 打高分的学生编号，以问卷中的为准
GROUP_COUNT = 29
START_KEY = "p"  # 用户按下 P 键开始
ABORT_KEY = "esc"  # 用户按下 ESC 立即中止
COUNTDOWN_SECONDS = 5
INTER_ANSWER_DELAY = 0.1  # 每个答案之间等待
TYPE_CHAR_INTERVAL = 0.02  # 输入每个答案时字符间隔（更像人工）

# 已更新：逐个答案后立即 Tab

action_lock = threading.Lock()
should_abort = False

def ensure_libs():
    missing = []
    if keyboard is None:
        missing.append("keyboard")
    if pyautogui is None:
        missing.append("pyautogui")
    if missing:
        print("缺少依赖，请先安装: pip install " + " ".join(missing))
        sys.exit(1)


def abort_listener():
    global should_abort
    if keyboard is None:
        return
    while True:
        if keyboard.is_pressed(ABORT_KEY):
            with action_lock:
                should_abort = True
            break
        time.sleep(0.05)


def log(msg: str):
    ts = time.strftime('%H:%M:%S')
    print(f"[{ts}] {msg}")


def wait_for_start_key():
    log(f"等待你按下 '{START_KEY.upper()}' 键以启动 (ESC 终止)...")
    while True:
        if keyboard.is_pressed(ABORT_KEY):
            return False
        if keyboard.is_pressed(START_KEY):
            return True
        time.sleep(0.05)


def countdown(seconds: int):
    for remaining in range(seconds, 0, -1):
        with action_lock:
            if should_abort:
                return False
        log(f"倒计时 {remaining} 秒...")
        time.sleep(1)
    return True


def type_answer(text: str, group_idx: int, idx_in_group: int):
    log(f"输入 第{group_idx}组 第{idx_in_group}空 -> {text}")
    pyautogui.typewrite(text, interval=TYPE_CHAR_INTERVAL)


def main():
    ensure_libs()

    # 后台监听 ESC
    t = threading.Thread(target=abort_listener, daemon=True)
    t.start()

    if not wait_for_start_key():
        log("已取消。")
        return

    log(f"将在 {COUNTDOWN_SECONDS} 秒后开始，请切换到浏览器并将光标放在第一题第一个输入框内。")
    if not countdown(COUNTDOWN_SECONDS):
        log("已取消。")
        return

    log("开始自动填写... (ESC 可随时终止)")

    for group_idx in range(1, GROUP_COUNT + 1):
        with action_lock:
            if should_abort:
                break
        log(f"开始填写第 {group_idx}/{GROUP_COUNT} 组")
        if group_idx + 1 in EXCELLENT_STUDENTS:
            current_answers = ANSWERS_2
        else:
            current_answers = ANSWERS
        for i, ans in enumerate(current_answers, start=1):
            with action_lock:
                if should_abort:
                    break
            type_answer(ans, group_idx, i)
            time.sleep(INTER_ANSWER_DELAY)
            keyboard.send('tab')
        if should_abort:
            break
        # keyboard.send('tab')  # 额外一次跳到下一题第一空
        log(f"第 {group_idx} 组完成，跳到下一题。")
        time.sleep(0.25)

    if should_abort:
        log("用户终止。")
    else:
        log("全部填写完成（未提交）。")


if __name__ == "__main__":
    try:
        main()
    except KeyboardInterrupt:
        log("用户通过 Ctrl+C 中断。")