generate_playlist.py

import os
import urllib.parse

def main():
    music_dir = "mp3files"
    playlist_file = "playlist.m3u"
    extensions = (".mp3", ".wav", ".m4a", ".flac", ".ogg")

    playlist_content = ["#EXTM3U\n"]

    if os.path.exists(music_dir):
        all_files = []
        for root, dirs, files in os.walk(music_dir):
            for file in files:
                if file.lower().endswith(extensions):
                    full_path = os.path.join(root, file)
                    # Convert windows backslashes to forward slashes for URLs
                    relative_path = os.path.relpath(full_path, start=".").replace("\\", "/")
                    all_files.append(relative_path)
        
        # Sort files alphabetically so they play in a predictable order
        all_files.sort()
        
        for path in all_files:
            # Clean title (no extension, just filename)
            filename = os.path.basename(path)
            title = os.path.splitext(filename)[0]
            
            # Use the raw path with literal spaces and special characters.
            # This allows VLC to open the files locally (offline) from disk,
            # while VLC's HTTP/HTTPS network client will automatically encode URLs when streaming.
            playlist_content.append(f"#EXTINF:-1,{title}\n")
            playlist_content.append(f"{path}\n")

    # Write the playlist.m3u file with UTF-8 encoding
    with open(playlist_file, "w", encoding="utf-8") as f:
        f.writelines(playlist_content)
    
    songs_count = len(playlist_content) // 2
    print(f"Generated {playlist_file} successfully with {songs_count} song(s).")

if __name__ == "__main__":
    main()