app.py

import gradio as gr
import argparse
import os
from time import sleep
from pytube import YouTube
import re

# url = "https://www.youtube.com/watch?v=yX5EJf4R77s"

html_social_media = '''
<div style="float: right;">
    <a href="https://maximofn.com/" rel="noopener noreferrer" aria-disabled="false" class="sm secondary  svelte-cmf5ev" id="component-1" style="flex-grow: 100;" target="_blank">
        <svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 576 512">
            <style>
                svg {
                    fill:#f3f4f6
                }
            </style><path d="M208 80c0-26.5 21.5-48 48-48h64c26.5 0 48 21.5 48 48v64c0 26.5-21.5 48-48 48h-8v40H464c30.9 0 56 25.1 56 56v32h8c26.5 0 48 21.5 48 48v64c0 26.5-21.5 48-48 48H464c-26.5 0-48-21.5-48-48V368c0-26.5 21.5-48 48-48h8V288c0-4.4-3.6-8-8-8H312v40h8c26.5 0 48 21.5 48 48v64c0 26.5-21.5 48-48 48H256c-26.5 0-48-21.5-48-48V368c0-26.5 21.5-48 48-48h8V280H112c-4.4 0-8 3.6-8 8v32h8c26.5 0 48 21.5 48 48v64c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V368c0-26.5 21.5-48 48-48h8V288c0-30.9 25.1-56 56-56H264V192h-8c-26.5 0-48-21.5-48-48V80z"/>
        </svg>
    </a>
    <a href="http://github.com/maximofn" rel="noopener noreferrer" aria-disabled="false" class="sm secondary  svelte-cmf5ev" id="component-1" style="flex-grow: 100;" target="_blank">
        <svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 496 512">
            <style>
                svg {
                    fill: #f3f4f6;
                }
            </style>
            <path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/>
        </svg>
    </a>
    <a href="http://linkedin.com/in/MaximoFN/" rel="noopener noreferrer" aria-disabled="false" class="sm secondary  svelte-cmf5ev" id="component-1" style="flex-grow: 100;" target="_blank">
        <svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 448 512">
            <style>
                svg {
                    fill:#f3f4f6
                }
            </style>
            <path d="M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 54.9V416h-66.4V202.2h63.7v29.2h.9c8.9-16.8 30.6-34.5 62.9-34.5 67.2 0 79.7 44.3 79.7 101.9V416z"/>
        </svg>
    </a>
    <a href="http://kaggle.com/maximofn" rel="noopener noreferrer" aria-disabled="false" class="sm secondary  svelte-cmf5ev" id="component-1" style="flex-grow: 100;" target="_blank">
        <svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 320 512">
            <style>
                svg {
                    fill:#f3f4f6
                }
            </style>
            <path d="M304.2 501.5L158.4 320.3 298.2 185c2.6-2.7 1.7-10.5-5.3-10.5h-69.2c-3.5 0-7 1.8-10.5 5.3L80.9 313.5V7.5q0-7.5-7.5-7.5H21.5Q14 0 14 7.5v497q0 7.5 7.5 7.5h51.9q7.5 0 7.5-7.5v-109l30.8-29.3 110.5 140.6c3 3.5 6.5 5.3 10.5 5.3h66.9q5.25 0 6-3z"/>
        </svg>
    </a>
    <a href="https://twitter.com/Maximo_fn" rel="noopener noreferrer" aria-disabled="false" class="sm secondary  svelte-cmf5ev" id="component-1" style="flex-grow: 100;" target="_blank">
        <svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 512 512">
            <style>
                svg {
                    fill:#f3f4f6
                }
            </style>
            <path d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"/>
        </svg>
    </a>
    <a href="https://www.instagram.com/maximo__fn/" rel="noopener noreferrer" aria-disabled="false" class="sm secondary  svelte-cmf5ev" id="component-1" style="flex-grow: 100;" target="_blank">
        <svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 448 512">
            <style>
                svg {
                    fill:#f3f4f6
                }
            </style>
            <path d="M224.1 141c-63.6 0-114.9 51.3-114.9 114.9s51.3 114.9 114.9 114.9S339 319.5 339 255.9 287.7 141 224.1 141zm0 189.6c-41.1 0-74.7-33.5-74.7-74.7s33.5-74.7 74.7-74.7 74.7 33.5 74.7 74.7-33.6 74.7-74.7 74.7zm146.4-194.3c0 14.9-12 26.8-26.8 26.8-14.9 0-26.8-12-26.8-26.8s12-26.8 26.8-26.8 26.8 12 26.8 26.8zm76.1 27.2c-1.7-35.9-9.9-67.7-36.2-93.9-26.2-26.2-58-34.4-93.9-36.2-37-2.1-147.9-2.1-184.9 0-35.8 1.7-67.6 9.9-93.9 36.1s-34.4 58-36.2 93.9c-2.1 37-2.1 147.9 0 184.9 1.7 35.9 9.9 67.7 36.2 93.9s58 34.4 93.9 36.2c37 2.1 147.9 2.1 184.9 0 35.9-1.7 67.7-9.9 93.9-36.2 26.2-26.2 34.4-58 36.2-93.9 2.1-37 2.1-147.8 0-184.8zM398.8 388c-7.8 19.6-22.9 34.7-42.6 42.6-29.5 11.7-99.5 9-132.1 9s-102.7 2.6-132.1-9c-19.6-7.8-34.7-22.9-42.6-42.6-11.7-29.5-9-99.5-9-132.1s-2.6-102.7 9-132.1c7.8-19.6 22.9-34.7 42.6-42.6 29.5-11.7 99.5-9 132.1-9s102.7-2.6 132.1 9c19.6 7.8 34.7 22.9 42.6 42.6 11.7 29.5 9 99.5 9 132.1s2.7 102.7-9 132.1z"/>
        </svg>
    </a>
    <a href="https://www.youtube.com/channel/UCdQwg2JU_fWRsHn3yIlf3tw" rel="noopener noreferrer" aria-disabled="false" class="sm secondary  svelte-cmf5ev" id="component-1" style="flex-grow: 100;" target="_blank">
        <svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 576 512">
            <style>
                svg {
                    fill:#f3f4f6
                }
            </style>
            <path d="M549.655 124.083c-6.281-23.65-24.787-42.276-48.284-48.597C458.781 64 288 64 288 64S117.22 64 74.629 75.486c-23.497 6.322-42.003 24.947-48.284 48.597-11.412 42.867-11.412 132.305-11.412 132.305s0 89.438 11.412 132.305c6.281 23.65 24.787 41.5 48.284 47.821C117.22 448 288 448 288 448s170.78 0 213.371-11.486c23.497-6.321 42.003-24.171 48.284-47.821 11.412-42.867 11.412-132.305 11.412-132.305s0-89.438-11.412-132.305zm-317.51 213.508V175.185l142.739 81.205-142.739 81.201z"/>
        </svg>
    </a>
    <a href="https://www.facebook.com/profile.php?id=100085177670661" rel="noopener noreferrer" aria-disabled="false" class="sm secondary  svelte-cmf5ev" id="component-1" style="flex-grow: 100;" target="_blank">
        <svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 512 512">
            <style>
                svg {
                    fill:#f3f4f6
                }
            </style>
            <path d="M504 256C504 119 393 8 256 8S8 119 8 256c0 123.78 90.69 226.38 209.25 245V327.69h-63V256h63v-54.64c0-62.15 37-96.48 93.67-96.48 27.14 0 55.52 4.84 55.52 4.84v61h-31.28c-30.8 0-40.41 19.12-40.41 38.73V256h68.78l-11 71.69h-57.78V501C413.31 482.38 504 379.78 504 256z"/>
        </svg>
    </a>
    <a href="https://www.tiktok.com/@maximo__fn" rel="noopener noreferrer" aria-disabled="false" class="sm secondary  svelte-cmf5ev" id="component-1" style="flex-grow: 100;" target="_blank">
        <svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 448 512">
            <style>
                svg {
                    fill:#f3f4f6
                }
            </style>
            <path d="M448,209.91a210.06,210.06,0,0,1-122.77-39.25V349.38A162.55,162.55,0,1,1,185,188.31V278.2a74.62,74.62,0,1,0,52.23,71.18V0l88,0a121.18,121.18,0,0,0,1.86,22.17h0A122.18,122.18,0,0,0,381,102.39a121.43,121.43,0,0,0,67,20.14Z"/>
        </svg>
    </a>
    <a href="https://www.twitch.tv/maximofn/" rel="noopener noreferrer" aria-disabled="false" class="sm secondary  svelte-cmf5ev" id="component-1" style="flex-grow: 100;" target="_blank">
        <svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 512 512">
            <style>
                svg {
                    fill:#f3f4f6
                }
            </style>
            <path d="M391.17,103.47H352.54v109.7h38.63ZM285,103H246.37V212.75H285ZM120.83,0,24.31,91.42V420.58H140.14V512l96.53-91.42h77.25L487.69,256V0ZM449.07,237.75l-77.22,73.12H294.61l-67.6,64v-64H140.14V36.58H449.07Z"/>
        </svg>
    </a>
</div>
'''

html_buy_me_a_coffe = '''
<div style="float: right;">
    <a href="https://www.buymeacoffee.com/maximofn" target="_blank">
        <img src="https://img.shields.io/badge/Buy_Me_A_Coffee-support_my_work-FFDD00?style=for-the-badge&logo=buy-me-a-coffee&logoColor=white&labelColor=101010" alt="buy me a coffe">
    </a>
</div>
'''

def remove_all_files():
    command = f"rm -r audios"
    os.system(command)
    command = f"rm -r videos"
    os.system(command)

def reset_frontend():
    visible = False
    return (
        "",
        gr.Image(visible=visible), 
        gr.Button(visible=visible), 
        gr.Textbox(visible=visible), 
        gr.Textbox(visible=visible), 
        gr.Audio(visible=visible), 
        gr.Video(visible=visible), 
    )

def get_youtube_thumbnail(url):
    yt = YouTube(url)
    thumbnail_url = yt.thumbnail_url
    return thumbnail_url

def is_valid_youtube_url(url):
    # This regular expression should match the following YouTube URL formats:
    # - https://youtube.com/watch?v=video_id
    # - https://www.youtube.com/watch?v=video_id
    # - https://youtu.be/video_id
    patron_youtube = r'(https?://)?(www\.)?(youtube\.com/watch\?v=|youtu\.be/)[\w-]+'
    return bool(re.match(patron_youtube, url))

def is_valid_twitch_url(url):
    # This regular expression should match the following Twitch URL formats:
    # - https://twitch.tv/channel_name
    # - https://www.twitch.tv/channel_name
    # - https://twitch.tv/videos/video_id
    twitch_pattern = r'(https?://)?(www\.)?twitch\.tv/(videos/\d+|\w+)'
    return bool(re.match(twitch_pattern, url))

def is_valid_url(url):
    visible = True
    width = 600
    height = 400
    image = None

    # Youtube
    if "youtube" in url.lower() or "youtu.be" in url.lower():
        if is_valid_youtube_url(url):
            thumbnail = get_youtube_thumbnail(url)
            if thumbnail:
                image = thumbnail
            else:
                image = "https://maximofn.com/wp-content/uploads/2023/11/youtube-no-thumbnails.webp"
    # Twitch
    elif "twitch" in url.lower() or "twitch.tv" in url.lower():
        if is_valid_twitch_url(url):
            image = "https://maximofn.com/wp-content/uploads/2023/11/twitch.webp"
    # Error
    else:
        visible = False
        image = "https://maximofn.com/wp-content/uploads/2023/11/youtube_error.webp"

    return (
        gr.Image(value=image, visible=visible, width=width, height=height), 
        gr.Button(visible=visible), 
        gr.Audio(visible=visible, show_download_button=False, show_share_button=False, container=True), 
        gr.Video(visible=visible, show_share_button=False, container=True), 
    )

def download_audio_and_video(url):
    audios_folder = "audios"
    videos_folder = "videos"
    if not os.path.exists(audios_folder):
        os.makedirs(audios_folder)
    if not os.path.exists(videos_folder):
        os.makedirs(videos_folder)
    
    python_file = "download.py"
    command = f"python {python_file} {url}"
    os.system(command)
    sleep(1)

    audio_path = "audios/download_audio.mp3"
    video_path = "videos/download_video.mp4"

    return (
        gr.Textbox(value=audio_path),
        gr.Textbox(value=video_path),
        gr.Audio(audio_path, show_download_button=True, show_share_button=True, container=False),
        gr.Video(video_path, show_share_button=True, container=False),
    )

def video_downloader():
    with gr.Blocks() as demo:
        # Layout
        gr.Markdown(html_social_media)
        gr.Markdown("<h1 style='text-align: center;'>Video downloader</h1>")
        with gr.Row(variant="panel"):
            url_textbox = gr.Textbox(placeholder="Add video URL here and wait a moment", label="Video URL", elem_id="video_url", scale=1, interactive=True)
            # paste_button   = gr.Button(size="sm", icon="icons/paste.svg",   value="paste", min_width="10px", scale=0)
            delete_button = gr.Button(size="sm", icon="icons/delete.svg", value="clear", min_width="10px", scale=0)

        visible = False
        with gr.Row(equal_height=False):
            image = gr.Image(visible=visible, show_download_button=False, container=False, scale=1)
            download_button = gr.Button(size="lg", value="Download", min_width="10px", scale=0, visible=visible)

        original_audio_path = gr.Textbox(label="Original audio path", elem_id="original_audio_path", visible=visible)
        original_video_path = gr.Textbox(label="Original video path", elem_id="original_video_path", visible=visible)
        with gr.Row():
            audio = gr.Audio(label="Audio", elem_id="audio", visible=visible, interactive=False)
            video = gr.Video(label="Video", elem_id="video", visible=visible, interactive=False)

        gr.Markdown(html_buy_me_a_coffe)


        # Events
        url_textbox.change(fn=is_valid_url, inputs=url_textbox, outputs=[image, download_button, audio, video])
        delete_button.click(fn=reset_frontend, outputs=[url_textbox, image, download_button, original_audio_path, original_video_path, audio, video])
        download_button.click(fn=download_audio_and_video, inputs=url_textbox, outputs=[original_audio_path, original_video_path, audio, video])

        
    demo.launch()


if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument("--remove_all_files", action="store_true")
    args = parser.parse_args()

    if args.remove_all_files:
        remove_all_files()
    else:
        video_downloader()