高效办公 Python 进阶：操作系统交互的 15 个高级命令

import os

# 执行系统命令
result = os.system('ls -l')
print(f'命令执行结果: {result}')
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import subprocess

# 执行命令并获取输出
result = subprocess.run(['ls', '-l'], capture_output=True, text=True)
print(f'命令输出: {result.stdout}')
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import shutil

# 复制文件
shutil.copy('source.txt', 'destination.txt')
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import os

for root, dirs, files in os.walk('/path/to/directory'):
    print(f'Root: {root}, Directories: {dirs}, Files: {files}')
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import glob

# 匹配所有.txt文件
for filename in glob.glob('*.txt'):
    print(filename)
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import tempfile

# 创建临时文件
with tempfile.NamedTemporaryFile(delete=False) as temp_file:
    temp_file.write(b'Hello, world!')
    print(f'Temp file created: {temp_file.name}')
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from pathlib import Path

# 创建路径对象
path = Path('/path/to/directory')

# 获取目录内容
for file in path.iterdir():
    print(file)
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import platform

print(f'System: {platform.system()}')
print(f'Node Name: {platform.node()}')
print(f'Release: {platform.release()}')
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import psutil

# 获取CPU使用率
print(f'CPU Usage: {psutil.cpu_percent()}%')
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from watchdog.observers import Observer
from watchdog.events import FileSystemEventHandler


class MyHandler(FileSystemEventHandler):
    def on_modified(self, event):
        print(f'File {event.src_path} has been modified')


# 创建事件处理器和观察者
event_handler = MyHandler()
observer = Observer()
observer.schedule(event_handler, path='', recursive=False)
observer.start()

try:
    while True:
        time.sleep(1)
except KeyboardInterrupt:
    observer.stop()
observer.join()
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import paramiko

# 创建SSH客户端
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect('hostname', username='username', password='password')

# 执行命令
stdin, stdout, stderr = ssh.exec_command('ls -l')
print(stdout.read().decode())

# 关闭连接
ssh.close()
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from fabric import Connection

c = Connection('hostname', user='username', connect_kwargs={'password': 'password'})
result = c.run('ls -l')
print(result.stdout)
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from croniter import croniter
from datetime import datetime

cron = croniter('*/5 * * * *', datetime.now())
for _ in range(5):
    print(cron.get_next(datetime))
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import schedule
import time

def job():
    print('Job executed')

# 安排任务每分钟执行一次
schedule.every(1).minutes.do(job)

while True:
    schedule.run_pending()
    time.sleep(1)
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from apscheduler.schedulers.background import BackgroundScheduler
import time

def my_job():
    print('Job executed')

scheduler = BackgroundScheduler()
scheduler.add_job(my_job, 'interval', seconds=5)
scheduler.start()

try:
    while True:
        time.sleep(2)
except (KeyboardInterrupt, SystemExit):
    scheduler.shutdown()
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import shutil
import schedule
import time
from datetime import datetime

def backup(source, destination):
    shutil.copytree(source, destination + '/' + datetime.now().strftime('%Y%m%d_%H%M%S'))
    print(f'Backup completed at {datetime.now()}')

# 安排每天凌晨1点执行备份任务
schedule.every().day.at('01:00').do(backup, '/path/to/source', '/path/to/destination')

while True:
    schedule.run_pending()
    time.sleep(1)
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