generator_OLD.py

import tkinter as tk
from random import randint, choice, shuffle

TITLE_FONT = ("Sergoe UI", 14, "bold")
PWD_FONT = ("Sergoe UI", 12, "bold")
NORMAL_FONT = ("Sergoe UI", 10, "normal")
LARGE_FONT = ("Sergoe UI", 12, "normal")


password_length = 16
password = ""

# ---------------------------------

# Lists of valid password characters
list_upper = []
list_lower = []
list_number = []
list_symbol = []


def pwd_chars():
    """Generate valid password characters from ASCII codes"""
    global list_upper, list_lower, list_number, list_symbol

    # Generate list of Uppercase characters
    for i in range(65, 91):
        list_upper.append(chr(i))

    # Generate list of Lowercase characters
    for i in range(97, 123):
        list_lower.append(chr(i))

    # Generate list of numbers
    for i in range(48, 58):
        list_number.append(chr(i))

    # Generate list of symbols
    for i in range(33, 48):
        list_symbol.append(chr(i))
    for i in range(58, 65):
        list_symbol.append(chr(i))
    for i in range(91, 97):
        list_symbol.append(chr(i))
    for i in range(123, 127):
        list_symbol.append(chr(i))


# ---------------------------------

def scale(val):
    # This routine is required because tk.Scale() passes one string value to the called function
    global password_length
    password_length = int(val)
    do_it()


def do_it():
    global password
    password = ""
    remaining = password_length  # Number of characters in password yet to be filled

    # Get current values of checkboxes and spinboxes
    password_upper = check_upper.get()
    password_lower = check_lower.get()
    password_number = check_number.get()
    password_symbol = check_symbol.get()
    password_number_qty = int(spinbox_number.get())
    password_symbol_qty = int(spinbox_symbol.get())

    # Restrict numbers and symbols to half the password length
    if password_number:
        spinbox_number["to"] = password_length // 2
    if password_symbol:
        spinbox_symbol["to"] = password_length // 2

    # Generate the password
    if password_symbol:
        for _ in range(0, password_symbol_qty):
            password += choice(list_symbol)
        remaining = password_length - len(password)
    if password_number:
        for _ in range(0, password_number_qty):
            password += choice(list_number)
        remaining = password_length - len(password)
    if password_lower and remaining > 0:
        if password_upper:
            qty_lower = randint(1, remaining)
        else:
            qty_lower = remaining
        for _ in range(1, qty_lower):
            password += choice(list_lower)
        remaining = password_length - len(password)
    if password_upper and remaining > 0:
        for _ in range(0, remaining):
            password = password + choice(list_upper)
    list_password = list(password)
    shuffle(list_password)
    password = "".join(list_password)
    label_password["text"] = password


def close():
    popup.quit()  # This allows the password to be accessed by main.py
    popup.destroy()  # Then destroy this script window
    # but then I can't open the window again !?


# ---------------------------------

# UI Setup

popup = tk.Toplevel(window)
popup.title("Password Generator")
popup.config(padx=30, pady=30)

length_pwd = tk.IntVar()
check_upper = tk.IntVar()
check_upper.set(1)  # Default to checked
check_lower = tk.IntVar()
check_lower.set(1)  # Default to checked
check_number = tk.IntVar()
check_symbol = tk.IntVar()

label_title = tk.Label(popup, text="-- Password Generator --", pady=5, fg="black", font=TITLE_FONT)
label_password = tk.Label(popup, text="Password", width=20, height=3, relief="sunken", bg="#cccccc", fg="blue", font=PWD_FONT, wraplength=200)
scale_length = tk.Scale(popup, label="Password Length", from_=6, to=48, length=200, font=NORMAL_FONT, orient=tk.HORIZONTAL, command=scale)
checkbox_upper = tk.Checkbutton(popup, text="Use A-Z", font=NORMAL_FONT, variable=check_upper, command=do_it)
checkbox_lower = tk.Checkbutton(popup, text="Use a-z", font=NORMAL_FONT, variable=check_lower, command=do_it)
checkbox_number = tk.Checkbutton(popup, text="Use 0-9", font=NORMAL_FONT, variable=check_number, command=do_it)
checkbox_symbol = tk.Checkbutton(popup, text="Use !@#$%^&*", font=NORMAL_FONT, variable=check_symbol, command=do_it)
spinbox_number = tk.Spinbox(popup, from_=1, to=9, width=3, font=LARGE_FONT, command=do_it)
spinbox_symbol = tk.Spinbox(popup, from_=1, to=9, width=3, font=LARGE_FONT, command=do_it)
label_number = tk.Label(popup, text="How many numbers", font=NORMAL_FONT, pady=5)
label_symbol = tk.Label(popup, text="How many symbols", font=NORMAL_FONT, pady=5)
button_close = tk.Button(popup, text="Close", font=NORMAL_FONT, command=close)

scale_length.set(password_length)


# ---------------------------------

# Layout
label_title.grid(row=0, column=0, columnspan=3)
label_password.grid(row=1, column=0, columnspan=3)
scale_length.grid(row=2, column=0, columnspan=3)
checkbox_upper.grid(row=3, column=1, sticky=tk.W)
checkbox_lower.grid(row=4, column=1, sticky=tk.W)
checkbox_number.grid(row=5, column=1, sticky=tk.W)
checkbox_symbol.grid(row=6, column=1, sticky=tk.W)
label_number.grid(row=7, column=0, columnspan=2)
spinbox_number.grid(row=7, column=2)
label_symbol.grid(row=8, column=0, columnspan=2)
spinbox_symbol.grid(row=8, column=2)
button_close.grid(row=9, column=0, columnspan=3)

# ---------------------------------

popup.mainloop()