TextEditor.py

import tkinter as tk
from tkinter.filedialog import askopenfilename, asksaveasfilename
from types import LambdaType


def open_file(window, text_edit):
    filepath = askopenfilename(filetypes=[("Text Files", "*.txt")])

    if not filepath:
        return

    text_edit.delete(1.0, tk.END)

    with open(filepath, "r") as file:
        content = file.read()
        text_edit.insert(tk.END, content)

    window.title(f"Open File: {filepath}")

def save_file(window, text_edit):
    filepath = asksaveasfilename(filetypes=[("Text Files", "*.txt")])

    if not filepath:
        return

    with open(filepath, "w") as file:
        content = text_edit.get(1.0, tk.END)
        file.write(content)

    window.title(f"Open File: {filepath}")

def main():
    window = tk.Tk()
    window.title("Text Editor")
    window.rowconfigure(0, minsize=400)
    window.columnconfigure(1, minsize=500)

    text_edit = tk.Text(window)
    text_edit.grid(row=0, column=1)

    frame = tk.Frame(window, relief=tk.RAISED, bd=2)
    save_button = tk.Button(frame, text="Save", command=lambda :save_file(window, text_edit))
    open_button = tk.Button(frame, text="Open", command=lambda :open_file(window, text_edit))
    save_button.grid(row=0, column=0, padx=5, pady=5, sticky="ew")
    open_button.grid(row=1, column=0, padx=5, sticky="ew")
    frame.grid(row=0, column=0, sticky="ns")

    window.mainloop()

if __name__ == "__main__":
    main()