create_png_icons.py

#!/usr/bin/env python3
"""
Script to convert SVG icons to PNG for PWA
"""

import os
import subprocess
import sys

def create_png_from_svg(svg_path, png_path, size):
    """Convert SVG to PNG using cairosvg or rsvg-convert"""
    try:
        # Try using cairosvg first (Python library)
        import cairosvg
        cairosvg.svg2png(url=svg_path, write_to=png_path, output_width=size, output_height=size)
        print(f"✅ Created {png_path} using cairosvg")
        return True
    except ImportError:
        try:
            # Try using rsvg-convert (system command)
            subprocess.run([
                'rsvg-convert', 
                '-w', str(size), 
                '-h', str(size), 
                '-o', png_path, 
                svg_path
            ], check=True)
            print(f"✅ Created {png_path} using rsvg-convert")
            return True
        except (subprocess.CalledProcessError, FileNotFoundError):
            try:
                # Try using ImageMagick
                subprocess.run([
                    'convert', 
                    '-background', 'none',
                    '-size', f'{size}x{size}',
                    svg_path,
                    png_path
                ], check=True)
                print(f"✅ Created {png_path} using ImageMagick")
                return True
            except (subprocess.CalledProcessError, FileNotFoundError):
                print(f"❌ Failed to create {png_path}")
                print("Please install one of: cairosvg, rsvg-convert, or ImageMagick")
                return False

def main():
    icons_dir = "static/icons"
    
    # Check if icons directory exists
    if not os.path.exists(icons_dir):
        print(f"❌ Icons directory {icons_dir} not found")
        return
    
    # SVG files to convert
    svg_files = [
        ("icon-192.svg", "icon-192.png", 192),
        ("icon-512.svg", "icon-512.png", 512)
    ]
    
    success_count = 0
    
    for svg_file, png_file, size in svg_files:
        svg_path = os.path.join(icons_dir, svg_file)
        png_path = os.path.join(icons_dir, png_file)
        
        if not os.path.exists(svg_path):
            print(f"❌ SVG file {svg_path} not found")
            continue
        
        if create_png_from_svg(svg_path, png_path, size):
            success_count += 1
    
    print(f"\n📊 Summary: {success_count}/{len(svg_files)} PNG icons created")
    
    if success_count == len(svg_files):
        print("🎉 All PNG icons created successfully!")
        print("You can now install the PWA in Chrome")
    else:
        print("⚠️  Some icons failed to create. PWA installation may not work properly.")

if __name__ == "__main__":
    main()