This Script can export Android Drawables with folders to import cumulatively at once using Android Studio's Import Drawables option. Script supports creation of drawables from PNG and SVG files currently.

android_drawable_exporter.py

import argparse
import os
from PIL import Image
import cairosvg

# Supported extensions
SUPPORTED_EXTENSIONS = ['.png', '.svg']

# Dictionary to store the multipliers for density suffixes
density_multipliers = {
    '-ldpi': 0.75,
    '-mdpi': 1.0,
    '-hdpi': 1.5,
    '-xhdpi': 2.0,
    '-xxhdpi': 3.0,
    '-xxxhdpi': 4.0
}

def parse_arguments():
    parser = argparse.ArgumentParser(description='Resize and rename an image based on scaling factor or convert SVG to PNGs')
    parser.add_argument('input_file', help='Input image or SVG file name')
    return parser.parse_args()

def resize_png(image_file):
    try:
        image = Image.open(image_file)
    except IOError:
        print(f"Unable to open image file: {image_file}")
        return

    suffixes = list(density_multipliers.keys())
    base_filename, _ = os.path.splitext(image_file)
    new_name = os.path.basename(base_filename)

    for suffix in suffixes:
        width, height = image.size
        w = width * density_multipliers[suffix]
        h = height * density_multipliers[suffix]

        # Use LANCZOS for high-quality downscaling
        resized_image = image.resize((int(w), int(h)), Image.LANCZOS)

        output_dir_suffix = f'drawable{suffix}'
        output_dir_full = os.path.join(os.path.dirname(image_file), output_dir_suffix)
        
        if not os.path.exists(output_dir_full):
            os.makedirs(output_dir_full)
            
        output_path = os.path.join(output_dir_full, f'{new_name}.png')

        resized_image.save(output_path)
        print(f'Resized PNG saved to {output_path}')

    image.close()

def convert_svg_to_png(svg_file):
    suffixes = list(density_multipliers.keys())
    base_filename, _ = os.path.splitext(svg_file)
    new_name = os.path.basename(base_filename)

    for suffix in suffixes:
        output_dir_suffix = f'drawable{suffix}'
        output_dir_full = os.path.join(os.path.dirname(svg_file), output_dir_suffix)
        
        if not os.path.exists(output_dir_full):
            os.makedirs(output_dir_full)
        
        output_path = os.path.join(output_dir_full, f'{new_name}.png')
        
        cairosvg.svg2png(
            url=svg_file,
            write_to=output_path,
            scale=density_multipliers[suffix]
        )
        
        print(f'Converted SVG to PNG at {output_path}')

def handle_file(input_file):
    _, file_extension = os.path.splitext(input_file)
    
    if file_extension.lower() == '.png':
        resize_png(input_file)
    elif file_extension.lower() == '.svg':
        convert_svg_to_png(input_file)
    else:
        print(f"Unsupported file type: {file_extension}. Supported extensions are: {', '.join(SUPPORTED_EXTENSIONS)}")

def main():
    args = parse_arguments()
    handle_file(args.input_file)
    print('All files processed successfully.')

if __name__ == '__main__':
    main()