Python script to get fonts name within a folder

main.py

#!/usr/bin/env python3
"""
Font Name Extractor
Lists font files in a directory and extracts their font names for use with ffmpeg.
"""

import os
import sys
from pathlib import Path

try:
    from fontTools.ttLib import TTFont
    from fontTools.ttLib.tables._n_a_m_e import table__n_a_m_e
except ImportError:
    print("Error: fonttools library not found. Install with: pip install fonttools")
    sys.exit(1)

def get_font_name(font_path):
    """
    Extract the font name from a font file.
    Returns the font family name or filename if extraction fails.
    """
    try:
        font = TTFont(font_path)
        name_table = font['name']
        
        # Try to get the font family name (nameID 1)
        for record in name_table.names:
            if record.nameID == 1:  # Font Family name
                if record.platformID == 3:  # Microsoft platform
                    return record.toUnicode()
                elif record.platformID == 1:  # Macintosh platform
                    return record.toUnicode()
        
        # Fallback: try full font name (nameID 4)
        for record in name_table.names:
            if record.nameID == 4:  # Full font name
                if record.platformID == 3:
                    return record.toUnicode()
                elif record.platformID == 1:
                    return record.toUnicode()
                    
    except Exception as e:
        print(f"Warning: Could not read font name from {font_path}: {e}")
        return Path(font_path).stem  # Return filename without extension
    
    return Path(font_path).stem

def list_fonts_in_directory(directory_path):
    """
    List all font files in a directory and extract their names.
    """
    # Common font file extensions
    font_extensions = {'.ttf', '.otf', '.woff', '.woff2', '.ttc', '.otc'}
    
    directory = Path(directory_path)
    
    if not directory.exists():
        print(f"Error: Directory '{directory_path}' does not exist.")
        return
    
    if not directory.is_dir():
        print(f"Error: '{directory_path}' is not a directory.")
        return
    
    font_files = []
    
    # Find all font files
    for file_path in directory.iterdir():
        if file_path.is_file() and file_path.suffix.lower() in font_extensions:
            font_files.append(file_path)
    
    if not font_files:
        print(f"No font files found in '{directory_path}'")
        return
    
    print(f"Found {len(font_files)} font file(s) in '{directory_path}':\n")
    
    # Extract and print font names
    for font_file in sorted(font_files):
        font_name = get_font_name(font_file)
        print(f"File: {font_file.name}")
        print(f"Font Name: {font_name}")
        print(f"FFmpeg format: '{font_name}'")
        print("-" * 50)

def main():
    """Main function to handle command line arguments."""
    if len(sys.argv) != 2:
        print("Usage: python font_extractor.py <directory_path>")
        print("Example: python font_extractor.py /usr/share/fonts/")
        sys.exit(1)
    
    directory_path = sys.argv[1]
    list_fonts_in_directory(directory_path)

if __name__ == "__main__":
    main()

Install fonttools from pypi
Use python3 main.py <directory containing all the font files>