Super Simple Simulated Linux Terminal for Python with support for cat, ls, cd and exit commands - Enjoy!

linux.py

class Terminal:
    def __init__(self):
        self.root = {
            "": {
                "directories": ["Documents", "Downloads"],
                "files": []
            },
            "Documents": {
                "directories": [],
                "files": {
                    "document1.txt": "This is the content of document1.",
                    "document2.txt": "This is the content of document2."
                }
            },
            "Downloads": {
                "directories": ["Images", "Videos"],
                "files": {
                    "download1.txt": "This is the content of download1.",
                    "download2.txt": "This is the content of download2."
                }
            },
            "Images": {
                "directories": [],
                "files": {
                    "image1.jpg": "Binary content of image1.jpg",
                    "image2.jpg": "Binary content of image2.jpg"
                }
            },
            "Videos": {
                "directories": [],
                "files": {
                    "video1.mp4": "Binary content of video1.mp4",
                    "video2.mp4": "Binary content of video2.mp4"
                }
            }
        }
        self.current_directory = ""

    def ls(self):
        directories = self.root[self.current_directory.lstrip("/")]["directories"]
        files = self.root[self.current_directory.lstrip("/")]["files"]
        print("Directories:")
        for directory in directories:
            print(directory + "/")
        print("Files:")
        for file in files:
            print(file)

    def cat(self, filename):
        files = self.root[self.current_directory.lstrip("/")]["files"]
        if filename in files:
            print(f"Contents of {filename}:")
            print(files[filename])
        else:
            print(f"File '{filename}' not found.")

    def cd(self, directory):
        full_path = self.current_directory + "/" + directory
        if full_path.lstrip("/") in self.root:
            self.current_directory = full_path
            print(f"Changed directory to: {self.current_directory}")
        else:
            print(f"Directory '{directory}' not found.")

    def run(self):
        while True:
            command = input(f"{self.current_directory}> ").split()
            if not command:
                continue # ask again if no command entered
            cmd = command[0]
            if cmd == "ls":
                self.ls()
            elif cmd == "cat":
                if len(command) > 1:
                    self.cat(command[1])
                else:
                    print("Usage: cat <filename>")
            elif cmd == "cd":
                if len(command) > 1:
                    self.cd(command[1])
                else:
                    print("Usage: cd <directory>")
            elif cmd == "exit":
                print("Exiting terminal.")
                break
            else:
                print("Command not found.")

if __name__ == "__main__":
    terminal = Terminal()
    terminal.run()

Preview

TODO:

1. Add support for going back one directory with cd ..
2. Add support for sub directories
3. Add a command to edit the text? nano
4. Make the terminal look more like linux