Tkinter로 만드는 스마트카드 통신 프로그램 - 1

Python으로 스마트카드 통신 프로그램을 작성해 본다.

이를 위해서는 pyscard가 설치되어 있어야 한다.

pyscard 설치 방법은 "Windows에 pyscard 1.9.5 설치" 포스팅을 참고하기 바란다.

초기 화면

ATR

목표

1. Combobox에 PC/SC 리더기 목록을 표시

2. "Reset" 버튼을 누르면 리셋 후 ATR을 표시

소스코드

# imports

import tkinter as tk

from tkinter import Menu

from tkinter import ttk

from tkinter import messagebox

from smartcard.System import readers

from smartcard.util import toHexString, toBytes

# Click a exit menu

def clickExit():

    win.quit()

    win.destroy()

    exit()

# Click a abount menu

def clickAbout():

    messagebox.showinfo('About', 'About...')

# Click a reset button

def clickReset():

    try:

        for r in readers():

            if r.name == reader_name.get():

                connection = r.createConnection()

                connection.connect()

                messagebox.showinfo('ATR', toHexString(connection.getATR()))

                break

    except:

        messagebox.showinfo('Error', 'Please check a card or readers...')

if __name__ == '__main__':

    win = tk.Tk()                   # Create instance

    win.title('Card Manager')       # Add a title

    reader_label = ttk.Label(win, text='Reader')

    reader_label.grid(column=0, row=0)

    reader_name = tk.StringVar() # String variable

    readerCombo = ttk.Combobox(win, width=30, state='readonly', textvariable=reader_name) # Create a combobox

    readerCombo.grid(column=1, row=0)

    readerCombo['values'] = readers()

    try:

        readerCombo.current(0)

    except:

        pass

    reset = ttk.Button(win, text='Reset...', command=clickReset) # Create a button

    reset.grid(column=2, row=0)

    menuBar = Menu(win)                                     # Create a menu

    win.config(menu=menuBar)

    fileMenu = Menu(menuBar, tearoff=0)                     # Create the File Menu

    fileMenu.add_command(label="Exit", command=clickExit)   # Add the "Exit" menu and bind a function

    menuBar.add_cascade(label="File", menu=fileMenu)

    helpMenu = Menu(menuBar, tearoff=0)

    helpMenu.add_command(label="About", command=clickAbout) # Add the "Exit" menu and bind a function

    menuBar.add_cascade(label="Help", menu=helpMenu)

    win.resizable(0, 0)             # Disable resizing the GUI

    win.mainloop()                  # Start GUI