telnet & ttk & tkinter

https://blog.youkuaiyun.com/qq_59142194/article/details/123937365

from telnetlib import Telnet
from threading import Thread
from tkinter import IntVar, StringVar
import ttkbootstrap as ttk
from ttkbootstrap.dialogs import Messagebox
from time import sleep


host = "127.0.0.1"
port = 23
timeout = 30

tn = None
tn_ready = False
text = None
running = True


def myasync(f):
    def wrapper(*args, **kwargs):
        thr = Thread(target=f, args=args, kwargs=kwargs)
        thr.daemon = True
        thr.start()

    return wrapper


def telnet_connect():
    global tn, tn_ready, _ip, _port
    if not tn:
        try:
            tn = Telnet(host=_ip.get(), port=_port.get(), timeout=timeout)
        except Exception as e:
            Messagebox.ok(message=str(e))
            # print(e)
            return
        tn.read_until(b"login: ")
        tn.write(b"u\n")
        tn.read_until(b"Password: ")
        tn.write(b"0\n")
        tn_ready = True
        telnet_show()


@myasync
def telnet_show():
    global tn, tn_ready, text, running
    while running:
        if tn and tn_ready and running:
            while tn and tn_ready and running:
                textc = tn.read_some().decode("utf8")
                if text:
                    text.insert(ttk.END, textc)
                    text.see(ttk.END)
                print(textc, end='')
        else:
            sleep(0.01)


def telnet_send(text, s):
    global tn
    if tn or True:
        tn.write(s.encode("utf8") + b"\n")
        # text.insert(ttk.END, s + "\n")  # tn.read_all().decode('utf8')
        text.see(ttk.END)


def btn_command(text: ttk.Text):
    text.insert(ttk.END, "ttttttttttttttt")
    text.see(ttk.END)


if __name__ == "__main__":
    root = ttk.Window(
        title="Mini Teminal",
        themename="litera",
        size=(1920, 1080),
        minsize=(1920, 1080),
        maxsize=(1920, 1080),
        resizable=None,
        alpha=1.0,
    )

    text = ttk.Text(root)
    text.configure(width=120)
    text.grid(row=0, column=0, rowspan=10, columnspan=10, sticky=ttk.NSEW)
    text.insert(ttk.END, "ttttttttttttttt")
    text.see(ttk.END)

    _ip = StringVar(root)
    _ip.set("127.0.0.1")
    _port = IntVar(root)
    _port.set(23)
    ttk.Entry(root, show=None, textvariable=_ip).grid(row=1, column=11)
    ttk.Entry(root, show=None, textvariable=_port).grid(row=1, column=12)
    ttk.Button(
        root,
        text="连接",
        # width=10,
        command=lambda: telnet_connect(),
        bootstyle=(ttk.PRIMARY, "outline-toolbutton"),
    ).grid(row=2, column=11)

    ttk.Button(
        root,
        text="ls",
        # width=10,
        command=lambda: telnet_send(text, "ls"),
        bootstyle=(ttk.PRIMARY, "outline-toolbutton"),
    ).grid(row=2, column=12)

    root.mainloop()
    running = False