[PYTHON] I made a window for Log output with Tkinter

Real-time print debugging is difficult when creating a GUI on Windows with Tkinter I thought it would be more convenient to launch Log Window in addition to the main window, so I created it. Since it is a sub-window to the last, launch the Window at Toplevel. (I don't really understand how to use Tkinter's Toplevel windows) It's not interesting with just Log Window, so I put a check box that can be displayed / hidden depending on the Log type. LogWindow.png

Addendum: Added view ('end') because it was output but was not scrolled to follow the output. Added write (str) and flush () to support python standard output

You can use it as sys.stdout = Logwindow.


import sys
import serial
import binascii
import time
import tkinter as tk
from tkinter import scrolledtext

    'MESSAGE' : 'black',
    'INPUT' : 'blue',
    'OUTPUT' : 'green',
    'ERROR' : 'red',
    'DEBUG' : 'yellow'    

# Initial value = flag=True or False
class SimpleCheck(tk.Checkbutton):
    def __init__(self, parent, *args, **kw):
        self.flag = kw.pop('flag')
        self.var =  tk.BooleanVar()
        if self.flag:
        self.txt = kw["text"]
        tk.Checkbutton.__init__(self, parent, *args, **kw, variable=self.var)

    def get(self):
        return self.var.get()

class IOLogFrame(tk.Frame):
    def __init__(self, master):    
        tk.Frame.__init__(self, master)
        master.title("Log Window")

        #view/hide choice
        select_frame = tk.LabelFrame(master, text= "Log text disable",relief = 'groove')

        self.ckboxs = []
        for key in TEXT_COLORS:
            cb = SimpleCheck(select_frame, text=key, command=self.callback, flag=False)
        select_frame.pack(side = 'top', fill = 'x')
        self.txt = scrolledtext.ScrolledText(master)
        self.txt.pack(fill=tk.BOTH, expand=1)
        for key in TEXT_COLORS:
            self.txt.tag_config(key, foreground=TEXT_COLORS[key])

    def callback(self):
        count = 0
        for key in TEXT_COLORS:
            count += 1

    def print(self, str, state='MESSAGE'):
        self.txt.insert(tk.END, str+'\n', state)

    def hide(self, tag):
        self.txt.tag_config(tag, elide=True)

    def view(self, tag):
        self.txt.tag_config(tag, elide=False)

    def write(self, str, state='MESSAGE'):
        self.txt.insert(tk.END, str+'\n', state)

    def flush(self):

#sample main window
class IOLogWindow(tk.Toplevel):
    def __init__(self, master):
        master.title("Main WIndow")
        tk.Toplevel.__init__(self, master)
        io = IOLogFrame(self)
        io.print("--ERROR--", 'ERROR')
        io.print("--INPUT--", 'INPUT')
        io.print("--OUTPUT--", 'OUTPUT')
        io.print("--DEBUG--", 'DEBUG')    
if __name__ == '__main__':
    win = tk.Tk()

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