Programma per scaricare video da YouTube. Ho realizzato questo piccolo software per mio nonno che voleva i video del karaoke. Mio nonno è il TOP!

youtube-downloader.py

"""
Project Name: Progetto Acquarius
Description: Un semplice downloader per YouTube
"""
from pytube import YouTube
import os
import re
from tkinter import *
import tkinter.messagebox

def file_path():
    home = os.path.expanduser('~')
    download_path = os.path.join(home, 'Desktop')
    return download_path

# ********* Window *********

window = Tk()

window.title("German Downloader")

def progress_check(stream = None, chunk = None, file_handle = None, remaining = None ):
    # Calcola la percentuale del download
    percent = ( 100 * ( file_size-remaining ) ) / file_size
    list1.update()
    list1.insert(END, "{:00.0f}% downloaded \n\n".format(percent))
    list1.update()
    list1.see(END)

def start(yt_url, download_type):

    list1.insert(END, "Your video will be saved to: {}\n\n".format(file_path()))
    # Input
    # yt_url = input("Copy and paste your YouTube URL here: ")
    print(yt_url)
    list1.insert(END, "Accessing YouTube URL...\n\n")
    list1.update()

    try:
        video = YouTube(yt_url, on_progress_callback = progress_check)
    except:
        print("ERROR. Check your:\n -connection \n -url is a YouTube url\n\nTry again.")
        redo = start(yt_url, download_type)

    # Get the first video type and check what type of download need to do
    if download_type is 1:
        video_type = video.streams.filter(progressive = True, file_extension = "mp4").first()
    else:
        video_type = video.streams.filter(subtype='mp4', only_audio=True).first()

    # Get the title of the video
    title = video.title

    #Prepares the file for download
    list1.insert(END,"Fetching: {}...".format(title))
    global file_size
    file_size = video_type.filesize
    # Inizia il download
    video_type.download(file_path())
    list1.update()

    list1.insert(END,"Pronto per scaricare un nuovo video.\n\n")
    list1.update()

file_size = 0

def check_inputs(yt_url, download_type):
    check_video_url = re.match('http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+', yt_url)

    print(download_type)

    if check_video_url is None:
        tkinter.messagebox.showerror("Errore", "L'indirizzo del video sembra non essere corretto, ricontrolla.")
        return

    if not download_type:
        tkinter.messagebox.showerror("Errore", "Devi selezionare cosa vuoi scaricare.")
        return
    
    start(yt_url, download_type)

checkbox_value = IntVar()
input_value = StringVar()

# var = IntVar()
# s = StringVar()

# Video URL Input
l1 = Label(window, text="URL del video")
l1.grid(row = 0, column = 0, padx = 10, pady = 10)

e1 = Entry(window, textvariable = input_value, width = 50)
e1.grid(row = 0, column = 1, padx = 10, pady = 10)

# Download type Input
e2 = Radiobutton(window, text = "Video", variable = checkbox_value, value = 1)
e2.grid(row = 1, column = 0, padx = 10, pady = 10)

e3 = Radiobutton(window, text = "Musica", variable = checkbox_value, value = 2)
e3.grid(row= 1, column = 1, padx = 10, pady = 10)

# Console
list1 = Text(window, width = 50, height  = 10)
list1.grid(row = 2, column = 0, columnspan = 2, rowspan = 1, padx = 10, pady = 10)


# Send Button
b1 = Button(window, text="Scarica", width = 50, padx = 10, pady = 5, borderwidth = 0, background = "#1de9b6", command = lambda: check_inputs(input_value.get(), checkbox_value.get()))
b1.grid(row = 4, column = 0, columnspan = 2, padx = 10, pady = 10)

window.mainloop()

# If user want mp4
# yt.streams.first().download()


# If user want mp3
# yt.streams.filter(subtype='mp4', only_audio=True).first().download()