Stupid wake on lan for Linux with GUI

swol.py

# Stupid Wake On Lan
# Linux only. Requires package 'wol' to be installed (path to WOL binary can be configured in WOL_PATH)

from customtkinter import CTk, CTkButton, CTkLabel, CTkEntry
from dotenv import load_dotenv, set_key
from os import getenv, system

WOL_PATH = "/usr/bin/wol"


class App(CTk):
    def __init__(self):
        super().__init__()
        self.title("Stupid WOL")
        load_dotenv()
        mac = getenv("MAC")
        if mac is None:
            mac = ''

        mac_title = CTkLabel(self, text="Enter MAC:")
        mac_title.pack(padx=10, pady=3)

        mac_entry = CTkEntry(self)
        mac_entry.insert(0, mac)
        mac_entry.pack(padx=10, pady=3)

        save = CTkButton(self, text="Save", command=lambda: self.save(mac_entry.get()))
        save.pack(padx=10, pady=3)

        wake = CTkButton(self, text="WAKE", height=100, command=lambda: self.wake(mac_entry.get()))
        wake.pack(padx=10, pady=(30, 5))

    def save(self, mac):
        set_key('.env', "MAC", mac)

    def wake(self, mac):
        """Using /usr/bin/wol instead of using WOL from PATH for security reasons :)"""
        system(f"{WOL_PATH} {mac}")


if __name__ == "__main__":
    App().mainloop()