Save/remove finished, reads/writes from file now

ToDo.py

+from tkinter import *
+import tkinter as tk
+
+
+class ToDoItem:
+
+    def __init__(self, name, description):
+        self.name = name
+        self.description = description
+
+
+class ToDoApp:
+
+    def __init__(self, root):
+        root.title("To Do App")
+        # root.geometry("500x400")
+        # root.maxsize(800, 800)
+    
+        frame = Frame(root, borderwidth=2, relief="sunken")
+        frame.grid(column=1, row=1, sticky=(N, E, S, W))
+        root.columnconfigure(1, weight=1)
+        root.rowconfigure(1, weight=1)
+
+        self.to_do_items = []
+
+        # Construct to do list from file
+
+        file1 = open("ToDoItems.txt", "r")
+        while True:
+            line = file1.readline()
+
+            if not line:
+                break
+            line_list = line.split(",")
+            
+            item = ToDoItem(line_list[0], line_list[1])
+            self.to_do_items.append(item)
+        file1.close()
+        
+        # To do list
+
+        list_label = Label(frame, text="To Do")
+        list_label.grid(column=1, row=1, sticky=(S, W))
+
+        self.to_do_names = StringVar(value=list(map(lambda x: x.name, self.to_do_items)))
+        items_list = Listbox(frame, listvariable=self.to_do_names)
+        items_list.bind("<<ListboxSelect>>", lambda s: self.select_item(items_list.curselection()))
+        items_list.grid(column=1, row=2, sticky=(E, W), rowspan=5)
+    
+        self.selected_descrip = StringVar()
+        selected_descrip_label = Label(frame, textvariable=self.selected_descrip, wraplength=200)
+        selected_descrip_label.grid(column=1, row=7, sticky=(E,W))
+
+        # New Items
+
+        new_item_label = Label(frame, text="New Item")
+        new_item_label.grid(column=2, row=1, sticky=(S, W))
+
+        name_label = Label(frame, text="Item name")
+        name_label.grid(column=2, row=2, sticky=(S, W))
+
+        self.name = StringVar()
+        name_entry = Entry(frame, textvariable=self.name)
+        name_entry.grid(column=2, row=3, sticky=(N, E, W))
+
+        descrip_label = Label(frame, text="Item description")
+        descrip_label.grid(column=2, row=4, sticky=(S, W))
+
+        self.descrip = StringVar()
+        description_entry = Entry(frame, textvariable=self.descrip)
+        description_entry.grid(column=2, row=5, sticky=(N, E, W))
+
+        save_button = Button(frame, text="Save", command=self.save_item)
+        save_button.configure(width=8, height=1, font=("Courier", 10))
+        save_button.grid(column=2, row=6, sticky=(E, W))
+
+        # Remove items
+
+        remove_button = Button(frame, text="Finish", command=lambda: self.remove_item(items_list.curselection()))
+        remove_button.configure(width=8, height=1, font=("Courier", 10))
+        remove_button.grid(column=2, row=7, sticky=(E, W))
+
+        # Padding
+
+        for child in frame.winfo_children():
+            child.grid_configure(padx=10, pady=5)
+        
+        
+
+    def save_item(self):
+        self.to_do_items.append(ToDoItem(self.name.get(), self.descrip.get()))
+        self.to_do_names.set(list(map(lambda x: x.name, self.to_do_items)))
+        self.name.set("")
+        self.descrip.set("")
+        self.update_file()
+
+    def remove_item(self, index):
+        if (index != ()):
+            del self.to_do_items[index[0]]
+            self.to_do_names.set(list(map(lambda x: x.name, self.to_do_items)))
+            self.update_file()
+
+    def select_item(self, index):
+        if (index != ()):
+            selected_item = self.to_do_items[index[0]]
+            self.selected_descrip.set(selected_item.description)
+            
+
+    def update_file(self):
+        file1 = open("ToDoItems.txt", "w")
+        for item in self.to_do_items:
+            line = item.name + "," + item.description + "\n"
+            file1.write(line)
+        file1.close()
+        
+
+
+root = Tk()
+ToDoApp(root)
+root.mainloop()
\ No newline at end of file