Convert SVG to Android Drawables PNGs

convert_svg_android.py

#!/usr/bin/env python3
import sys
import tempfile
import os
import argparse
import re

parser = argparse.ArgumentParser(description='Generate png icons from svg')
parser.add_argument('input_file', nargs=1, help='Input svg file')
parser.add_argument('output_directory', nargs=1, help='Drawable directory')
parser.add_argument('prefix', nargs=1, help='Drawable prefix')
parser.add_argument('--size', nargs='?', help='Size', const=1, type=int, default=48)
parser.add_argument('--fillcolor', nargs='?', help='Fill color', const=1, type=str, default='#ffffff')
args = parser.parse_args()

input_file = args.input_file[0]
output_directory = args.output_directory[0]
aux_file = tempfile.mkstemp(suffix='.svg')[1]
prefix = args.prefix[0]
fillcolor = args.fillcolor

base_size = float(args.size)
base_size_dpi = 'hdpi'

dpi_map = {
    'ldpi': 120.0,
    'mdpi': 160.0,
    'hdpi': 240.0,
    'xhdpi': 320.0,
    'xxhdpi': 480.0,
    'xxxhdpi': 640.0
}


os.system('sed -e "s/<path/<path style=\\\"fill:{}\\\"/i" {} > {}'.format(fillcolor, input_file, aux_file))

for dpi, value in dpi_map.items():
    ratio = value / dpi_map[base_size_dpi]
    size = round(base_size * ratio)
    name = re.sub(r'[^a-zA-Z0-9.]', '_', '{}{}.png'.format(prefix, os.path.basename(input_file.split('.')[0])))
    subdir = 'drawable-{}'.format(dpi)
    destination_path = os.path.join(output_directory, subdir, name)
    if not os.path.isdir(os.path.dirname(destination_path)):
        os.makedirs(os.path.dirname(destination_path))
    os.system('inkscape -z -e {} -w {} -h {} {} > /dev/null 2>&1'.format(destination_path, size, size, aux_file))

os.unlink(aux_file)