main.py

import os
import tkinter as tk
from tkinter import messagebox
import sign_up_login

def get_details():
    global server_username,server_password,server_username_var,server_password_var
    server_username = server_username_var.get()
    server_password = server_password_var.get()

# Function to login to your MySQL server based on the environment variables set.
def login():
    global db,my_cursor,server_username,server_password
    get_details()
    # server name is always "localhost" for MySQL
    if server_username==os.getenv('MYSQL_USER') and server_password==os.getenv('MYSQL_PASSWORD'):
        root.destroy()
        sign_up_login.sign_up_login(server_username,server_password)
    else:
        messagebox.showerror("Wrong login details","Please enter correct username and password!")


if __name__ == '__main__':
    root = tk.Tk()
    root.geometry("420x240")
    root.resizable(0,0)
    root.title("Personal Password Manager - Localhost Login")
    root.config(bg="#1289A7")
    icon_password = tk.PhotoImage(file="assets/images/icon_password_lock.png")
    # Initializing variables
    db = None
    my_cursor = None
    server_username_var = tk.StringVar()
    server_password_var = tk.StringVar()
    server_username = server_password = ""
    main_frame = tk.Frame(root,background="#1289A7")
    main_frame.pack(pady=10)
    # Login UI
    tk.Label(main_frame, text="Enter server user id",font=("Arial",15),bg="#1289A7",fg="#ffffff").pack(pady=5)
    entry_server_username = tk.Entry(main_frame, textvariable=server_username_var,font=("Arial",15))
    entry_server_username.pack(pady=5)
    tk.Label(main_frame, text="Enter server password",font=("Arial",15),bg="#1289A7",fg="#ffffff").pack(pady=5)
    entry_server_password = tk.Entry(main_frame, textvariable=server_password_var,font=("Arial",15),show="*")
    entry_server_password.pack(pady=3)
    # Button
    login_btn = tk.Button(root, text="Login", command=login,font=("Arial",15),bg="#000000",fg="#FFFFFF",activebackground="#000000",activeforeground="#FFFFFF")
    login_btn.pack()
    root.iconphoto(True, icon_password)
    root.mainloop()