PyFy Music Player

PyFy is a Python-based music player application built upon a circular doubly linked list data structure - a sophisticated implementation choice that creates a perpetual, bidirectional playlist experience. This advanced data structure forms the foundation of the entire application, enabling a seamless, loop-friendly music playback experience with efficient navigation in both directions.

Core Data Structure: Circular Doubly Linked List

The application's architecture fundamentally revolves around a circular doubly linked list implementation which:

• Connects each song to both its previous and next songs, creating a complete circular chain
• Provides constant O(1) time complexity for both forward and backward traversal operations
• Enables perfect playlist looping - when reaching the last song, the next operation seamlessly returns to the first song
• Creates a continuous, never-ending playback experience through circular connections
• Allows songs to be added or removed from any position while maintaining the circular integrity

Features Powered by Circular Doubly Linked List

• Seamless Looping: The circular nature ensures continuous playback without manual restart
• Bidirectional Navigation: Move forward or backward through songs with identical performance
• Efficient Playlist Manipulation: Add or remove songs anywhere in the playlist while preserving circular connections
• Position Memory: The current node tracks playback position in the circular structure
• Intuitive Controls: User-friendly interface that leverages the circular doubly linked list implementation

Installation

1. Clone the repository or download the source code.
2. Install the required dependencies using the following command:

   pip install -r requirements.txt

Usage

1. Place your MP3 files in the same directory as the main.py file.
2. Run the main.py script using the following command:

   python main.py

3. Use the graphical interface to control your circular playlist.

Controls

• Play: Begin playback from current position in the circular list
• Pause/Resume: Pause or resume the current song without losing position in the list
• Next: Traverse forward to the next node in the circular linked list
• Prev: Traverse backward to the previous node in the circular linked list
• Exit: Close the application