YouTube Content Extractor

A Flask web application for downloading and processing YouTube videos, extracting audio and subtitles.

Features

Extract audio from YouTube videos
Generate subtitle/transcript files from videos
RESTful API for client integration
Web interface for task management
Track task status (pending, processing, completed, failed)
Download processed audio and subtitle files

Technology Stack

Backend: Flask (Python)
Database: SQLite with SQLAlchemy ORM
Frontend: HTML, CSS (Bootstrap), JavaScript
Processing: YouTube-DL/YT-DLP integration

Project Structure

.
├── app.py                  # Main Flask application entry point
├── config.py               # Configuration settings
├── models.py               # Database models
├── task_loader.py          # Background task processor
├── youtube_content_extractor.py  # YouTube processing logic
├── utils.py                # Utility functions
├── init_db.py              # Database initialization script
├── routes/                 # Route blueprints
│   ├── api.py              # API endpoints
│   ├── main.py             # Main web routes
├── templates/              # HTML templates
├── static/                 # Static assets
└── download/               # Downloaded files storage

Installation

Clone this repository:

git clone https://github.com/yourusername/youtube-content-extractor.git
cd youtube-content-extractor

Install dependencies:

pip install -r requirements.txt

Initialize the database:

python init_db.py

Run the application:

python app.py

The application will be accessible at http://localhost:5000

API Usage

Create a download task

POST /api/tasks
Content-Type: application/json

{
  "youtube_url": "https://www.youtube.com/watch?v=VIDEO_ID"
}

Check task status

GET /api/tasks/{task_id}

Get all tasks

GET /api/tasks

Configuration

Key configuration options in config.py:

DOWNLOAD_FOLDER: Path to store downloaded files
SQLALCHEMY_DATABASE_URI: Database connection string
STORAGE_LIMIT: Maximum storage limit for downloads
SUBTITLES_PER_PAGE: Pagination setting for subtitle listing

License

MIT

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

maxazure/youtubedl