增加注释
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7
.vscode/settings.json
vendored
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7
.vscode/settings.json
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@@ -0,0 +1,7 @@
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{
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"python.testing.pytestArgs": [
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"."
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],
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"python.testing.unittestEnabled": false,
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"python.testing.pytestEnabled": true
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}
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30
main.py
30
main.py
@@ -1,46 +1,60 @@
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import os
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import shlex
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import subprocess
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import readline
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import os
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import shlex
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# 自动补全功能的实现
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def completer(text, state):
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# 获取系统中可执行命令的列表
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commands = os.listdir('/bin') + os.listdir('/usr/bin') + os.listdir('/usr/local/bin')
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# 根据用户输入的前缀匹配命令
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matches = [cmd for cmd in commands if cmd.startswith(text)]
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# 返回匹配的命令
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return matches[state] if state < len(matches) else None
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# 模拟一个简单的 zsh 终端
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def pseudo_zsh():
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# 配置 readline 的自动补全功能
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readline.parse_and_bind("tab: complete")
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readline.set_completer(completer)
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while True:
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try:
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# 显示提示符并获取用户输入
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cmd = input("20240915786@\u9648\u5764\u9633 ~ % ")
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# 如果输入特定命令 "hexianglong",退出程序
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if cmd.strip() == "hexianglong":
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print("Exiting secret mode...")
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break
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# 使用 shlex 分割用户输入为命令和参数
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args = shlex.split(cmd)
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if not args:
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if not args: # 如果输入为空,跳过本次循环
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continue
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# 实现简单的 cd 命令
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if args[0] == 'cd':
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try:
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os.chdir(args[1])
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os.chdir(args[1]) # 切换到指定目录
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except IndexError:
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print("cd: missing argument")
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print("cd: missing argument") # 缺少参数
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except FileNotFoundError:
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print(f"cd: no such file or directory: {args[1]}")
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print(f"cd: no such file or directory: {args[1]}") # 目录不存在
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continue
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# 执行其他命令
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try:
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subprocess.run(args)
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subprocess.run(args) # 调用系统命令
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except FileNotFoundError:
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print(f"zsh: command not found: {args[0]}")
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print(f"zsh: command not found: {args[0]}") # 命令未找到
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except KeyboardInterrupt:
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# 捕获 Ctrl+C,忽略中断
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pass
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except EOFError:
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# 捕获 Ctrl+D,忽略结束输入
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pass
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# 程序入口
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if __name__ == "__main__":
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pseudo_zsh()
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