Youtube converter api

Introduction

This API allows users to send an URL to YouTube media from which the audio track will be downloaded. In return user receives token to download a requested audio file.

Table of contents

1. Requirements & launch
2. Endpoints
3. Access manager
4. Constants
5. Dependencies

Requirements & launch

Required packages are listed in requirements.txt. To install all of them simply type

pip install -r requirements.txt

Then the project is ready to go:

python3 main.py

Endpoints

• GET /
  • Query string: ?url=<video_url>
  • Description: Returns json with access token to downloaded audio file
  • Usage: http://localhost:5000/?url=https://www.youtube.com/watch?v=NCFg7G63KgI
  • Result:

{
  "token": "zHTs-ellLrA8xenRHLkTE3MYxvg"
}

• GET /download
  • Query string ?token=<token>
  • Description: Returns audio file associated with given token
  • Usage: http://localhost:5000/download?token=zHTs-ellLrA8xenRHLkTE3MYxvg
  • Result: start downloading a file

Access manager

After downloading a file, generated token is put to allowed_tokens dictionary in access_manager.py. The expiry time is set in EXPIRY_TIME_MINUTES, default to 5 minutes. After starting an API, daemon thread starts in the background checking if tokens in allowed_tokens hasn't expired. If so, it removes expired tokens as well as files associated with them

Constants

All constants defined in the project are listed in constants.py file including downloads directory, HTTP response codes and constants related to tokens.

Dependencies

• Flask
• Pytube