tkinter "scrolledtext" copy paste doesn't work reliably

You can also use pyperclip which supports Windows, Linux and Mac

import tkinter as tkimport pyperclipdef copy(event:tk.Event=None) -> str:    try:        text = text_widget.selection_get()        pyperclip.copy(text)    except tk.TclError:        pass    return "break"root = tk.Tk()text_widget = tk.Text(root)text_widget.pack()text_widget.bind("<Control-c>", copy)root.mainloop()

For a Windows only solution try this:

import tkinter as tkimport osdef copy(event:tk.Event=None) -> str:    try:        # Get the selected text        # Taken from: https://stackoverflow.com/a/4073612/11106801        text = text_widget.selection_get()        # Copy the text        # Inspired from: https://codegolf.stackexchange.com/a/111405        os.system("echo.%s|clip" % text)        print(f"{text!r} is in the clipboard")    # No selection was made:    except tk.TclError:        pass    # Stop tkinter's built in copy:    return "break"root = tk.Tk()text_widget = tk.Text(root)text_widget.pack()text_widget.bind("<Control-c>", copy)root.mainloop()

Basically I call my own copy function whenever the user presses Control-C. In that function I use the clip.exe program that is part of the OS to copy the text.

Note: my approach to copying data to the clipboard using os.system, isn't great as you can't copy | characters. I recommend looking here for better ways. You just need to replace that 1 line of code.

Using pyperclip and root.bind_all() we can solve the problem.

import tkinter, tkinter.simpledialog, tkinter.scrolledtext import pyperclip as cliproot = tkinter.Tk('test')text = tkinter.scrolledtext.ScrolledText(master=root, wrap='none')def _copy(event):   try:      string = text.selection_get()      clip.copy(string)   except:passroot.bind_all("<Control-c>",_copy)text.pack(side="top", fill="both", expand=True, padx=0, pady=0)text.insert(tkinter.END,'abc\ndef\nghi\njkl')root.mainloop()