Raw Image Data Viewer using tkinter

[menator01]

#! /usr/bin/env python3

from skimage.io import imread
import tkinter as tk
from tkinter import filedialog
from os import sys
import argparse


parser = argparse.ArgumentParser()
parser.add_argument('--minutes', type=int, help='--minutes n to add minutes. Leave blank to stay open.')
args = parser.parse_args()

minutes = None

if args.minutes:
    minutes = args.minutes*60000
else:
    pass

root = tk.Tk()
root.geometry('1020x600+250+250')
root.title('Raw Image Viewer')
root['padx'] = 5
root['pady'] = 5
root['padx'] = 20
root.columnconfigure(0, weight=1)
root.rowconfigure(0, weight=1)

def get_image():
    file = filedialog.askopenfilename(title='Image File')
    img = tk.PhotoImage(file=file)
    img.back = img

    img_label = tk.Label(emptyframe)
    img_label['image'] = img
    img_label.grid(column=0, row=0, sticky='news')

    col = 0
    row = 0

    imag = imread(file)
    listbox.delete(0, tk.END)

    for data in imag:
        listbox.insert(tk.END, data)


container = tk.Frame(root)
container.grid(column=0, row=0, sticky='news')
container.grid_columnconfigure(0, weight=1)
container.grid_columnconfigure(1, weight=3)
container.grid_rowconfigure(1, weight=3)

border = tk.Frame(container)
border['highlightcolor'] = 'lightgray'
border['highlightbackground'] = 'lightgray'
border['highlightthickness'] = 1
border.grid(column=0, row=0, sticky='news', padx=2, pady=2)

label = tk.Label(border, text='Choose an Image')
label.grid(column=0, row=0, sticky='news')

btnborder = tk.Frame(container)
btnborder['highlightcolor'] = 'lightgray'
btnborder['highlightbackground'] = 'lightgray'
btnborder['highlightthickness'] = 1
btnborder.grid(column=1, row=0, sticky='news', padx=1, pady=2)
btnborder.grid_columnconfigure(0, weight=3)

btn = tk.Button(btnborder, text='Get Image', command=get_image)
btn.grid(column=0, row=0, sticky='n')

emptyframe = tk.Frame(container)
emptyframe['highlightthickness'] = 1
emptyframe['highlightcolor'] = 'lightgray'
emptyframe['highlightbackground'] = 'lightgray'
emptyframe.grid(column=0, row=1, sticky='news', padx=2)
emptyframe.grid_rowconfigure(1, weight=3)
emptyframe.grid_columnconfigure(0, weight=3)


spacer = tk.Frame(container, bg='white', border=1)
spacer['highlightbackground'] = 'lightgray'
spacer['highlightcolor'] = 'lightgray'
spacer['highlightthickness'] = 1
spacer.grid(column=1, row=1, sticky='news')
spacer.grid_rowconfigure(0, weight=3)
spacer.grid_columnconfigure(0, weight=3)

boxframe = tk.Frame(spacer, bg='white', border=2)
boxframe['highlightcolor'] = 'white'
boxframe['highlightbackground'] = 'white'
boxframe['highlightthickness'] = 2
boxframe.grid(column=0, row=0, sticky='news', padx=2, pady=2)
boxframe.grid_rowconfigure(0, weight=3)

horizontalbar = tk.Scrollbar(spacer, orient='horizontal')
horizontalbar.grid(column=0, row=1, sticky='ew')

verticalbar = tk.Scrollbar(spacer, orient='vertical')
verticalbar.grid(column=1, row=0, sticky='ns')

listbox = tk.Listbox(boxframe, relief='flat')
listbox['highlightthickness'] = 0
listbox.pack(expand=True, fill='both')
listbox['xscrollcommand'] = horizontalbar.set
listbox['yscrollcommand'] = verticalbar.set
horizontalbar.configure(command=listbox.xview)
verticalbar.configure(command=listbox.yview)

root.bind('<q>', sys.exit)
root.bind('<Escape>', sys.exit)

if minutes:
    root.after(minutes, sys.exit)


root.mainloop()