password_check.py

from tkinter import *
import re
gui = Tk()
gui.geometry('500x400+700+250')
gui.title('PASSWORD GENERATOR')
gui.config(bg='blue')
guiFont = font = dict(family='Courier New, monospaced',
                      size=18, color='#ffffff')
eLabel = Label(gui, text="Enter your Password:  ", font=guiFont, bg='blue', fg='white')
eLabel.grid(row=0, column=0)
ePass = Entry(gui, show="*")
ePass.grid(row=0, column=1)


def checkPass():
    passwordStr = StringVar()
    str = ['password cannot be Blank', 'very weak',
           'weak', 'medium', 'strong', 'very strong']
    count = 1
    password = ePass.get()
    print(password, len(password))

    if len(password) == 0:
        passwordStr.set(str[0])
        return
    if len(password) < 4:
        passwordStr.set(str[1])
        return
    if len(password) > 8:
        count += 1
    if re.search("[0-9]", password):
        count += 1
    if re.search("[a-z]", password) and re.search("[A-Z]", password):
        count += 1
    if re.search(".", password):
        count += 1
    passwordStr.set(str[count])
    checkStrLab = Label(gui, textvariable=passwordStr, bg='blue', fg='white')
    checkStrLab.grid(row=2, column=1, sticky='w')

checkStrBtn = Button(gui, text="Check", command=checkPass,
                        height=2, width=25, font=guiFont, bg='dark blue', fg='white')
checkStrBtn.grid(row=2, column=0)

gui.mainloop()