comparatore.py

#!/usr/bin/python3
import csv
import tkinter
from tkinter.filedialog import askopenfilename

A = ''
B = ''

def close_window(): # destroying the main window
    root.destroy() 
		
def file_A(): # return file rif
	globals()['A'] = askopenfilename()

def file_B():
	globals()['B'] = askopenfilename()

def diff(a, b):
    b = set(b)
    return [aa for aa in a if aa not in b]

def esegui():
	file1 = open(A, "r")
	file2 = open(B, "r")

	reader1 = csv.reader(file1, delimiter=';', quotechar=' ')
	reader2 = csv.reader(file2, delimiter=';', quotechar=' ')

	lista1 = []
	lista2 = []

	for row in reader1:
	    lista1.append(str(row[0]))
	for row in reader2:
	    lista2.append(str(row[0]))

	f = open("diff.txt","w+")
	f.write("Telai che differiscono tra spunta e nave\n")
	
	out = diff(lista2, lista1) or diff(lista1, lista2)
	if len(out) == 0:
		print('nothing to do')
		exit()
	else:
		print('differenze')
		for i in out:
			print(i)
			print(i, file=f)
		f.close()

root = tkinter.Tk()
root.title("Comparatore di Telai")
root.withdraw()
root.update_idletasks()  # Update "requested size" from geometry manager

x = (root.winfo_screenwidth() - root.winfo_reqwidth()) / 2
y = (root.winfo_screenheight() - root.winfo_reqheight()) / 2
root.geometry("+%d+%d" % (x, y))
root.deiconify()

frame = tkinter.Frame(root)
frame.pack()

button_open_A = tkinter.Button(frame)
button_open_A['text'] = 'Seleziona la lista di sbarco'
button_open_A['command'] = file_A
button_open_A.pack()

button_open_B = tkinter.Button(frame)
button_open_B['text'] = 'Seleziona la spunta effettuata'
button_open_B['command'] = file_B
button_open_B.pack()

button_run = tkinter.Button(frame)
button_run['text'] = 'Compara le liste'
button_run['command'] = esegui
button_run.pack()

button_kill = tkinter.Button(frame)
button_kill['text'] ="Exit"
button_kill['command'] = close_window
button_kill.pack()

tkinter.mainloop()