I was creating a password manager in python using Tkinter and Customtkinter libraries. To be able to view all the passwords I decided to use treeview method but im unable to configure its background color.The code starts from a login page whose credentials are:"Account name - Kami" and"Password - 1234"
The treeview is created in home_page()
#Password managerimport customtkinter as ctkimport tkinter as tkfrom tkinter import ttkroot = ctk.CTk()root._set_appearance_mode("dark")root.title("Password Manager")root.state('zoomed')ctk.set_default_color_theme("green")def on_f11(event): if root.attributes('-fullscreen'): root.attributes('-fullscreen',False) else: root.attributes('-fullscreen',True)root.bind('<F11>',on_f11)def login(): uid = "kami" pas = "1234" global frame def validate_login(): if username_entry.get() == uid and pass_entry.get() == pas: tk.messagebox.showinfo("Login Successful", f"Welcome {uid}") home_page() else: tk.messagebox.showerror("Login Failed", "Incorrect username or password") frame = ctk.CTkFrame(root,width=400, height=600, corner_radius=0, border_color="black") frame.pack(padx=500, pady=175) frame.pack_propagate(False) label = ctk.CTkLabel( master = frame, text='Login', font=('Khula Light', 36) ) label.pack(pady=20) username_label = ctk.CTkLabel( master = frame, text='Username:', font=('Khula Light', 27)) username_label.pack(padx=42,anchor=tk.W) username_entry = ctk.CTkEntry( master = frame, placeholder_text="User ID", width=250, height=50 ) username_entry.pack(padx=42,anchor=tk.W) pass_label = ctk.CTkLabel( master = frame, text='Password:', font=('Khula Light', 27)) pass_label.place(relx=0.1,rely=0.45) pass_entry = ctk.CTkEntry( master = frame, placeholder_text="Password", width=250, height=50, corner_radius=10, show = '*' ) pass_entry.place(relx=0.1,rely=0.54) login_button = ctk.CTkButton( master = frame, text="Login", fg_color=("green"), command=validate_login, font=("Khula Light",28),) login_button.place(relx=0.5,rely=0.8,anchor=tk.CENTER) pass_entry.bind('<Return>', lambda event=None: validate_login())def home_page(): global manager manager = {} def add_password(): def append_pass(): global manager if acc_entry.get() == '': tk.messagebox.showerror("Password Manager", "You cannot leave empty fields!") elif pass2_entry.get() == '': tk.messagebox.showerror("Password Manager", "You cannot leave empty fields!") elif web_entry.get() == '': tk.messagebox.showerror("Password Manager", "You cannot leave empty fields!") else: if acc_entry.get().isspace(): tk.messagebox.showerror("Password Manager", "You cannot leave empty fields!") elif pass2_entry.get().isspace(): tk.messagebox.showerror("Password Manager", "You cannot leave empty fields!") elif web_entry.get().isspace(): tk.messagebox.showerror("Password Manager", "You cannot leave empty fields!") else: manager[acc_entry.get()] = [pass2_entry.get(),web_entry.get()] tk.messagebox.showinfo("Password Manager", "Password sucessfully added") print(manager) add_password_frame.destroy() home_page() global manager home_frame.destroy() add_password_frame = ctk.CTkFrame( master=root, width=400, height=600, corner_radius=0 ) add_password_frame.pack(padx=500, pady=175) add_password_frame.pack_propagate(False) add_password_label = ctk.CTkLabel( master = add_password_frame, text='Add New Password', font=('Khula Light', 36) ) add_password_label.pack(pady=20) acc_entry = ctk.CTkEntry( master = add_password_frame, placeholder_text="Enter account name", width=250, height=50 ) acc_entry.pack(padx=42,anchor=tk.W) web_entry = ctk.CTkEntry( master=add_password_frame, placeholder_text="Website/App Name", width=250, height=50, corner_radius=10 ) web_entry.place(relx=0.1,rely=0.375) pass2_entry = ctk.CTkEntry( master = add_password_frame, placeholder_text="Password", width=250, height=50, corner_radius=10, show = '*' ) pass2_entry.place(relx=0.1,rely=0.54) add_button = ctk.CTkButton( master = add_password_frame, text="Add", fg_color=("green"), command=append_pass, font=("Khula Light",28),) add_button.place(relx=0.5,rely=0.8,anchor=tk.CENTER) pass2_entry.bind('<Return>', lambda event=None: append_pass()) frame.destroy() home_frame = tk.Frame( root, width=1920, height=1080, background="#121212") home_frame.pack() home_frame.pack_propagate(False) table = ttk.Treeview( home_frame, columns= ('Name', 'Website', 'Password'), show= 'headings') table.heading('Name', text="Name") table.heading('Website', text="Website") table.heading('Password', text="Password") table.pack(fill="both", expand=True) style = ttk.Style(home_frame) style.configure("Treeview", fieldbackground='#121212',background='#121212',foreground='#121212') style.configure("Treeview.Heading", font=("Khula Light",27),foreground='#121212') addnew = ctk.CTkButton( master=home_frame, text="Add Password", fg_color=("green"), command=add_password, font=("Khula Light",28) ) addnew.place(relx=0.45,rely=0.9)login()root.mainloop()