【自動化入門】Pythonでスクリプトを一定時間まで繰り返し実行＆朝6時に自動停止させる方法【Windows/Linux対応】

# -*- coding: utf-8 -*-
"""
手動で起動 → 子スクリプトをループ実行 → 次の STOP_HOUR で自動停止
エラー終了ならブラウザを残して Enter 待機
"""
import subprocess, sys, time, datetime as dt, msvcrt
from pathlib import Path

# ========= ここだけ設定 =========
PYTHON_EXE  = sys.executable               # 使う Python
TARGET      = Path(r"C:\scripts\main.py")  # 子スクリプト
STOP_HOUR   = 6                            # 朝 06:00 で停止
PAUSE_ON_ERR = True                        # エラー時は Enter 待機
# =================================

def next_cutoff(now: dt.datetime) -> dt.datetime:
    cutoff = now.replace(hour=STOP_HOUR, minute=0, second=0, microsecond=0)
    if now >= cutoff:
        cutoff += dt.timedelta(days=1)
    return cutoff

def wait_enter_or_cutoff(cutoff: dt.datetime) -> bool:
    while True:
        if dt.datetime.now() >= cutoff:
            return False
        if msvcrt.kbhit() and msvcrt.getwch() == '\r':
            return True
        time.sleep(0.5)

def main():
    cutoff = next_cutoff(dt.datetime.now())
    print(f"★ 次の停止予定 : {cutoff:%Y-%m-%d %H:%M}")
    while True:
        print(f"[{dt.datetime.now():%H:%M}] {TARGET.name} を起動")
        ret = subprocess.call([PYTHON_EXE, str(TARGET)])
        if dt.datetime.now() >= cutoff:
            print(f"[{dt.datetime.now():%H:%M}] cutoff を過ぎたため終了します。")
            break
        if ret != 0:
            print(f"[ERR] 終了コード {ret}. ブラウザを確認後 Enter で続行。")
            if PAUSE_ON_ERR:
                if wait_enter_or_cutoff(cutoff):
                    continue
                else:
                    break
            else:
                break
        time.sleep(1)

if __name__ == "__main__":
    try:
        main()
    except KeyboardInterrupt:
        print("\nユーザー操作で終了しました。")

# main.py の一例（ChromeでGoogle検索）
from selenium import webdriver
from selenium.webdriver.common.by import By

driver = webdriver.Chrome()
driver.get("https://www.google.com")
search = driver.find_element(By.NAME, "q")
search.send_keys("Python 自動化")
search.submit()
driver.quit()

# -*- coding: utf-8 -*-
"""
Linux/macOS 対応版。Enter待機に select を使う。
"""
import subprocess, sys, time, datetime as dt, select
from pathlib import Path

# ========= ここだけ設定 =========
PYTHON_EXE  = sys.executable
TARGET      = Path("/home/yourname/scripts/main.py")
STOP_HOUR   = 6
PAUSE_ON_ERR = True
# =================================

def next_cutoff(now: dt.datetime) -> dt.datetime:
    cutoff = now.replace(hour=STOP_HOUR, minute=0, second=0, microsecond=0)
    if now >= cutoff:
        cutoff += dt.timedelta(days=1)
    return cutoff

def wait_enter_or_cutoff(cutoff: dt.datetime) -> bool:
    print("Enterキーで再開（停止時刻を過ぎたら終了）…")
    sys.stdin.flush()
    while True:
        now = dt.datetime.now()
        timeout = (cutoff - now).total_seconds()
        if timeout <= 0:
            return False
        rlist, _, _ = select.select([sys.stdin], [], [], min(timeout, 0.5))
        if rlist:
            line = sys.stdin.readline()
            if line.strip() == "":
                return True
        time.sleep(0.1)

def main():
    cutoff = next_cutoff(dt.datetime.now())
    print(f"★ 次の停止予定 : {cutoff:%Y-%m-%d %H:%M}")
    while True:
        print(f"[{dt.datetime.now():%H:%M}] {TARGET.name} を起動")
        ret = subprocess.call([PYTHON_EXE, str(TARGET)])
        if dt.datetime.now() >= cutoff:
            print(f"[{dt.datetime.now():%H:%M}] cutoff を過ぎたため終了します。")
            break
        if ret != 0:
            print(f"[ERR] 終了コード {ret}. 確認後、Enter で続行。")
            if PAUSE_ON_ERR:
                if wait_enter_or_cutoff(cutoff):
                    continue
                else:
                    break
            else:
                break
        time.sleep(1)

if __name__ == "__main__":
    try:
        main()
    except KeyboardInterrupt:
        print("\nユーザー操作で終了しました。")

if now >= cutoff:
    cutoff += dt.timedelta(days=1)