YoutubePlaylistSync/project plan.md

Project Plan

Subject Area

• Tool for downloading and synchronizing YouTube playlists.
• Focuses on reliable batch downloading, format selection (audio and/or video), configurable quality and keeping local copies synced with playlist changes.
• Targets power users and archivists who need large-scale, repeatable playlist archiving and ongoing synchronization, with GUI interfaces.

Problem

• Users and power-users who manage large or frequently changing YouTube playlists lack a dependable, configurable tool that:
  • correctly detects and downloads new videos while avoiding duplicates,
  • and can be configured easily via file or GUI for repeatable workflows.

Users Definition

Individuals who need to download a large number of videos or audio files from a YouTube playlist and keep it updated

Functionality Definition

• Can download:
  • Video only
  • Audio only
  • Both video and audio
• Can update the playlist (download only newly added videos)
• Can delete videos that are no longer in the playlist
• Has configuration for:
  • Quality
  • Download type (audio, video)
  • Save directory
  • Use of aria2c
  • aria2c-related settings
  • GUI settings

GUI

• Has buttons for all features
• Allows adjusting all settings from the GUI
• Modern Design

Platform

• Desktop application
• Optional:
  • Web App
  • Android App

Languages

• Backend
  • Python
• Frontend
  • qt ?
  • Tkinter?