Python YouTube Downloader

A simple web application to fetch and download YouTube video information using Quart and PyTube.

Features

• Fetch YouTube video title
• Fetch the highest resolution video stream URL
• Fetch video thumbnail URL

Requirements

• Python 3.7+
• Quart
• PyTube

Installation

1. Clone the repository:

   git clone https://github.com/lalsproject/python_yt_downloader.git
   cd python_yt_downloader

2. Create a virtual environment:

   python3 -m venv venv
   source venv/bin/activate  # On Windows use `venv\Scripts\activate`

3. Install the dependencies:

   pip install -r requirements.txt

Usage

1. Run the application:

   python main.py

2. Open your web browser and go to http://0.0.0.0:5000/.

3. Use the form to input a YouTube video URL and fetch its information.

Code Explanation

• The application uses the Quart framework to create an asynchronous web server.
• The root route ('/') renders the index.html template.
• The /download route accepts POST requests with a YouTube video URL, fetches the video information using PyTube, and returns the data in JSON format.

fetch_video_info(video_url)

Fetches information for a given YouTube video URL:

• video_url: The URL of the YouTube video.
• Returns a dictionary containing the video title, highest resolution stream URL, and thumbnail URL.

download()

Handles POST requests to the /download route:

• Extracts the video URL from the form data.
• Calls fetch_video_info(video_url) to fetch the video information.
• Returns the information as a JSON response.

Example

Here is an example of how to use the application:

1. Open the application in your web browser.
2. Enter a YouTube video URL in the input field and submit the form.
3. The application will return a JSON response with the video title, URL of the highest resolution stream, and thumbnail URL.

License

This project is licensed under the MIT License. See the LICENSE file for more details.