Password Manager

import os.path
# Python program to generate random 
# password using Tkinter module 
import random 
import pyperclip 
from tkinter import *
from tkinter.ttk import *
# http://www.pillalamarri.in/python/password-manager/
# Function for calculation of password 
def low(): 
	entry.delete(0, END) 

	# Get the length of passowrd 
	length = var1.get() 

	lower = "abcdefghijklmnopqrstuvwxyz"
	upper = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
	digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 !@#$%^&*()"
	password = "" 

	# if strength selected is low 
	if var.get() == 1: 
		for i in range(0, length): 
			password = password + random.choice(lower) 
		return password 

	# if strength selected is medium 
	elif var.get() == 0: 
		for i in range(0, length): 
			password = password + random.choice(upper) 
		return password 

	# if strength selected is strong 
	elif var.get() == 3: 
		for i in range(0, length): 
			password = password + random.choice(digits) 
		return password 
	else: 
		print("Please choose an option") 


# Function for generation of password 
def generate(): 
	password1 = low() 
	entry.insert(10, password1) 


# Function for copying password to clipboard 
def copy1(): 
	random_password = entry.get() 
	pyperclip.copy(random_password) 



def checkExistence():
    if os.path.exists("info.txt"):
        pass
    else:
        file = open("info.txt", 'w')
        file.close()

def appendNew():
	file = open("info.txt", 'a')
	userName = entry1.get() 
	website= entry2.get()
	Random_password=entry.get()
	usrnm = "UserName: " + userName + "\n"
	pwd = "Password: " + Random_password + "\n"
	web = "Website: " + website + "\n"
	file.write("---------------------------------\n")
	file.write(usrnm)
	file.write(pwd)
	file.write(web)
	file.write("---------------------------------\n")
	file.write("\n")
	file.close
    # This function will append new password in the txt file
	file = open("info.txt", 'a')


def readPasswords():
    file = open('info.txt', 'r')
    content = file.read()
    file.close()
    print(content)
# http://www.pillalamarri.in/python/password-manager/
# Main Function 
checkExistence()
# create GUI window 
root = Tk() 
var = IntVar() 
var1 = IntVar() 



# Title of your GUI window 
root.title("Python Password Manager") 


# create label for length of password 
c_label = Label(root, text="Length") 
c_label.grid(row=1) 

# create Buttons Copy which will copy 
# password to clipboard and Generate 
# which will generate the password 
copy_button = Button(root, text="Copy", command=copy1) 
copy_button.grid(row=0, column=2) 
generate_button = Button(root, text="Generate", command=generate) 
generate_button.grid(row=0, column=3) 

# Radio Buttons for deciding the 
# strength of password 
# Default strength is Medium 
radio_low = Radiobutton(root, text="Low", variable=var, value=1) 
radio_low.grid(row=1, column=2, sticky='E') 
radio_middle = Radiobutton(root, text="Medium", variable=var, value=0) 
radio_middle.grid(row=1, column=3, sticky='E') 
radio_strong = Radiobutton(root, text="Strong", variable=var, value=3) 
radio_strong.grid(row=1, column=4, sticky='E') 
combo = Combobox(root, textvariable=var1) 

# Combo Box for length of your password 
combo['values'] = (8, 9, 10, 11, 12, 13, 14, 15, 16, 
				17, 18, 19, 20, 21, 22, 23, 24, 25, 
				26, 27, 28, 29, 30, 31, 32, "Length") 
combo.current(0) 
combo.bind('<<ComboboxSelected>>') 
combo.grid(column=1, row=1) 


# create label and entry to show 
# password generated 
userName = Label(root, text="Enter username here") 
userName.grid(row=2) 
entry1 = Entry(root) 
entry1.grid(row=2, column=1) 


# create label and entry to show 
# password generated 
website = Label(root, text="Enter website address here") 
website.grid(row=3) 
entry2 = Entry(root) 
entry2.grid(row=3, column=1) 

Random_password = Label(root, text="Generated password") 
Random_password.grid(row=4) 
entry = Entry(root) 
entry.grid(row=4, column=1) 


save_button = Button(root, text="Save", command=appendNew) 
save_button.grid(row=2, column=2) 
show_button = Button(root, text="Show all passwords", command=readPasswords) 
show_button.grid(row=2, column=3) 

# start the GUI 
root.mainloop() 

# http://www.pillalamarri.in/python/password-manager/