DownYouNow/DownYouNow.ipynb

{
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      "source": [
        "<a href=\"https://colab.research.google.com/github/buzz-lightsnack-2007/DownYouNow/blob/development/DownYouNow.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
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    {
      "cell_type": "markdown",
      "metadata": {
        "id": "9fxoFeA70liP"
      },
      "source": [
        "# DownYouNow\n",
        "\n",
        "**A 100% free YouTube video downloader.** \n",
        "\n",
        "_Powered by [`YouTube-DL`](https://urlzs.com/AqDFN) and [`yt_dlp`](https://urlzs.com/rkBHD). ._"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "id": "tgACi8lLVS6Y"
      },
      "outputs": [],
      "source": [
        "# DownYouNow\n",
        "# 100% free YouTube video downloader\n",
        "\n",
        "import os, sys\n",
        "\n",
        "class app: \n",
        "    supported_formats = [\"mp3\", 'm4a', 'wav', \"mp4\", \"mkv\", \"webm\"]\n",
        "\n",
        "# Set-up. \n",
        "\n",
        "class formatting:\n",
        "    clear = '\\033[0m'\n",
        "    class color: \n",
        "        purple = '\\033[95m'\n",
        "        cyan = '\\033[96m'\n",
        "        cyan_dark = '\\033[36m'\n",
        "        blue = '\\033[94m'\n",
        "        green = '\\033[92m'\n",
        "        yellow = '\\033[93m'\n",
        "        red = '\\033[91m'\n",
        "    class font:\n",
        "        bold = '\\033[1m'\n",
        "        underline = '\\033[4m'\n",
        "\n",
        "## Define screen functions. \n",
        "def clear(): from IPython.display import clear_output; return clear_output()\n",
        "\n",
        "class info: # screen messages\n",
        "    def title(): \n",
        "        print_text = ''\n",
        "        try: \n",
        "            if video.video_title: \n",
        "                print_text = (formatting.font.bold + formatting.font.underline + video.video_title + formatting.clear + formatting.clear)\n",
        "            else: \n",
        "                raise\n",
        "        except: print_text = (formatting.font.bold + formatting.font.underline + user.video_link + formatting.clear + formatting.clear)\n",
        "\n",
        "        print(print_text)\n",
        "        return(print_text)\n",
        "    def status(message): print(formatting.font.bold + 'Status: \\t' + formatting.clear + message)\n",
        "    def err(message): print(formatting.font.bold + formatting.color.red + 'Error: \\t' + formatting.clear + formatting.clear + message)\n",
        "    def warning(message): print(formatting.font.bold + formatting.color.yellow + 'Warning: \\t' + formatting.clear + formatting.clear + message)\n",
        "    def success(message): print(formatting.font.bold + formatting.color.green + 'Finished: \\t' + formatting.clear + formatting.clear + message)\n",
        "\n",
        "def check_compatibility(): \n",
        "    try: from google.colab import files\n",
        "    except: raise TypeError(\"No! Please run this in \" + formatting.font.bold + 'Google CoLab' + formatting.clear + '. ')\n",
        "\n",
        "def fail(message = ''): \n",
        "    # When the program fails, run this. \n",
        "    clear(); info.title(); info.err(message); os.kill(os.getpid, 1);\n",
        "\n",
        "def getExtension(fileName): \n",
        "    import os\n",
        "    fileName_split = os.path.splitext(fileName)\n",
        "\n",
        "    return fileName_split[1].lower()\n",
        "\n",
        "def cleanup(): return os.system('rm -rf /content/*')\n",
        "\n",
        "def install(what, where = 'apt', isCritical = False):\n",
        "    os.system('add-apt-repository ppa:apt-fast/stable -y && apt-get update')\n",
        "\n",
        "    try:\n",
        "        if (where == 'apt' or where == 'apt-get' or where == 'apt-fast' or where == 'aptitude'):\n",
        "            if os.system('DEBIAN_FRONTEND=noninteractive apt-fast install ' + what + ' -y'): \n",
        "                if os.system('DEBIAN_FRONTEND=noninteractive apt install ' + what + ' -y'): \n",
        "                    if os.system('DEBIAN_FRONTEND=noninteractive apt-get install ' + what + ' -y'): \n",
        "                        if os.system('DEBIAN_FRONTEND=noninteractive apt-fast install --fix-broken ' + what + ' -y'):\n",
        "                            if os.system('DEBIAN_FRONTEND=noninteractive apt install --fix-broken ' + what + ' -y'): raise\n",
        "        else: \n",
        "            if os.system('DEBIAN_FRONTEND=noninteractive ' + where + ' install ' + what): raise\n",
        "    except:\n",
        "        errorMsg = (what + ' could not get installed. ')\n",
        "        if isCritical: fail('Critical component ' + errorMsg)\n",
        "        else: info.err(errorMsg); return True\n",
        "    else: \n",
        "        if os.system('apt-fast clean && apt-fast autoremove -y') > 0: os.system('apt clean && apt autoremove -y') > 0\n",
        "\n",
        "def install_required(): \n",
        "    def check_installDone(method='check'): \n",
        "        if method == 'write': return os.system('touch .config/installDone')\n",
        "        else: return not(os.system('cat .config/installDone'))\n",
        "\n",
        "    if not(check_installDone()): \n",
        "        # Install programs here using apt.\n",
        "        for program in ['apt-fast', 'youtube-dl', 'libboost-all-dev']: \n",
        "            clear()\n",
        "            info.title(); info.status('Please wait.')\n",
        "            install(program)\n",
        "            clear()\n",
        "        # install programs here using pip\n",
        "        for program in ['yt-dlp']: \n",
        "            info.title(); info.status('Please wait.')\n",
        "            install(program, 'pip')\n",
        "            clear()\n",
        "        \n",
        "        check_installDone('write')\n",
        "\n",
        "def check_link(): \n",
        "    # Check the link if it is in YouTube. \n",
        "    if ('.youtube.co' in user.video_link) or ('youtu.be' in user.video_link): \n",
        "        return True\n",
        "    else: \n",
        "        fail(formatting.font.bold + 'The link is not YouTube. ' + formatting.clear)\n",
        "        return False\n",
        "\n",
        "def save_video(): \n",
        "    import google;\n",
        "\n",
        "    try:\n",
        "        info.title() \n",
        "        if not(user.audio_only):\n",
        "            if os.system('yt-dlp \"' + user.video_link + '\" --compat-options no-youtube-unavailable-videos --merge-output-format ' + user.video_format + ' --audio-format ' + user.audio_format): \n",
        "                cleanup()\n",
        "                if os.system('youtube-dl \"' + user.video_link + '\" --compat-options no-youtube-unavailable-videos --merge-output-format ' + user.video_format + ' --audio-format ' + user.audio_format): raise\n",
        "        else: \n",
        "            if os.system('yt-dlp -x \"' + user.video_link + '\" --compat-options no-youtube-unavailable-videos --audio-format ' + user.audio_format): \n",
        "                cleanup()\n",
        "                if os.system('youtube-dl -x \"' + user.video_link + '\" --compat-options no-youtube-unavailable-videos --audio-format ' + user.audio_format): raise\n",
        "    except: \n",
        "        clear(); fail(formatting.font.bold + 'The YouTube video could not be downloaded. ' + formatting.clear + 'Please try again. ')\n",
        "    else: \n",
        "        info.success('Video cached. ')\n",
        "\n",
        "def download_video(): \n",
        "    def start_download(fileName): \n",
        "        from google.colab import files;\n",
        "        clear(); info.title(); \n",
        "        try: \n",
        "            files.download(fileName)\n",
        "        except: \n",
        "            info.warning(formatting.font.bold + 'Could not automatically download video. ' + formatting.clear + 'The video could be downloaded from the sidebar. ')\n",
        "        else: \n",
        "            info.success('Complete. ')\n",
        "    \n",
        "    import os\n",
        "\n",
        "    if not(user.audio_only): \n",
        "        os.system('mv *.' + user.video_format + ' \"' + (video.video_title + '.' + user.video_format) + '\" -v')\n",
        "        start_download((video.video_title + '.' + user.video_format))\n",
        "    else: \n",
        "        os.system('mv *.' + user.audio_format + ' \"' + (video.video_title + '.' + user.audio_format) + '\" -v')\n",
        "        start_download((video.video_title + '.' + user.audio_format))\n",
        "\n",
        "# Main. \n",
        "try: \n",
        "    check_compatibility()\n",
        "    cleanup()\n",
        "    check_link()\n",
        "\n",
        "    class user: \n",
        "        video_link = \"\" #@param {type:\"string\"}\n",
        "        video_link = video_link.strip()\n",
        "\n",
        "        #@markdown ## Output\n",
        "        audio_only = 0 #@param {type:\"slider\", min:0, max:1, step:1}\n",
        "\n",
        "        if not(audio_only): \n",
        "            video_format = \"mkv\" #@param [\"mkv\", \"webm\"]\n",
        "        else: \n",
        "            video_format = False\n",
        "        \n",
        "        audio_format = 'm4a' #@param ['m4a']\n",
        "\n",
        "\n",
        "    install_required()\n",
        "\n",
        "    try: \n",
        "        import yt_dlp;\n",
        "        with yt_dlp.YoutubeDL({}) as ydl:\n",
        "            class video: \n",
        "                info_dict = ydl.extract_info(user.video_link, download=False)\n",
        "                video_url = info_dict.get(\"url\", None)\n",
        "                video_id = info_dict.get(\"id\", None)\n",
        "                video_title = info_dict.get('title', None)\n",
        "                output_format = '';\n",
        "    except: \n",
        "        import youtube_dl;\n",
        "        with youtube_dl.YoutubeDL({}) as ydl:\n",
        "            class video: \n",
        "                info_dict = ydl.extract_info(user.video_link, download=False)\n",
        "                video_url = info_dict.get(\"url\", None)\n",
        "                video_id = info_dict.get(\"id\", None)\n",
        "                video_title = info_dict.get('title', None)\n",
        "                output_format = '';\n",
        "\n",
        "    save_video()\n",
        "    download_video()\n",
        "except: \n",
        "    info.fail(formatting.font.bold + 'An error has ocurred, ' formatting.clear + 'we apologize for the inconvenience. Please check the log for full details. ')"
      ]
    }
  ],
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    "colab": {
      "collapsed_sections": [],
      "name": "Untitled0.ipynb",
      "private_outputs": true,
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      "display_name": "Python 3",
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