Security Now Downloader (by ChatGPT)

import tkinter as tk
from tkinter import ttk
from tkinter import scrolledtext
import os
import requests


class App:
    def __init__(self):
        self.root = tk.Tk()
        self.root.title("Security Now Downloader")
        self.root.geometry("600x400")

        # Create label and entry for start episode number
        self.lbl_start = ttk.Label(self.root, text="Newest episode to download:")
        self.lbl_start.grid(column=0, row=0, padx=10, pady=10)

        self.start_var = tk.StringVar()
        self.start_var.set("915")  # Default value
        self.ent_start = ttk.Entry(self.root, textvariable=self.start_var)
        self.ent_start.grid(column=1, row=0, padx=10, pady=10)

        # Create label and entry for end episode number
        self.lbl_end = ttk.Label(self.root, text="Oldest episode to download:")
        self.lbl_end.grid(column=0, row=1, padx=10, pady=10)

        self.end_var = tk.StringVar()
        self.end_var.set("1")  # Default value
        self.ent_end = ttk.Entry(self.root, textvariable=self.end_var)
        self.ent_end.grid(column=1, row=1, padx=10, pady=10)

        # Create text area for download progress messages
        self.text_area = scrolledtext.ScrolledText(self.root, width=60, height=10)
        self.text_area.grid(column=0, row=2, padx=10, pady=10, columnspan=2)

        # Create buttons for start download and quit
        self.btn_start = ttk.Button(self.root, text="Start Download", command=self.start_download)
        self.btn_start.grid(column=0, row=3, padx=10, pady=10)

        self.btn_quit = ttk.Button(self.root, text="Quit", command=self.quit)
        self.btn_quit.grid(column=1, row=3, padx=10, pady=10)

    def start_download(self):
        # Get start and end episode numbers from entry boxes
        try:
            start = int(self.start_var.get())
            end = int(self.end_var.get())
        except ValueError:
            self.text_area.insert(tk.END, "Invalid episode number\n")
            return

        base_url = "https://twit.cachefly.net/audio/sn/sn"
        episode_numbers = range(start, end - 1, -1)
        total_episodes = len(episode_numbers)

        for i in episode_numbers:
            episode_filename = os.path.join("security_now", f"sn{i:04d}.mp3")
            if os.path.exists(episode_filename):
                self.text_area.insert(tk.END, f"{episode_filename} already exists\n")
            else:
                episode_url = f"{base_url}{i:04d}/sn{i:04d}.mp3"
                try:
                    with requests.Session() as session:
                        response = session.get(episode_url, stream=True)
                        response.raise_for_status()
                        with open(episode_filename, "wb") as f:
                            for chunk in response.iter_content(chunk_size=8192):
                                f.write(chunk)
                        self.text_area.insert(tk.END, f"{episode_filename} downloaded successfully\n")
                except requests.exceptions.RequestException as e:
                    self.text_area.insert(tk.END, f"Unable to download {episode_filename}: {e}\n")

        self.text_area.insert(tk.END, "Download complete\n")

    def quit(self):
        self.root.destroy()


app = App()
app.root.mainloop()