Inkscape android res generator

ink_android.py

import argparse
import sys
import os

INKSCAPE_BIN = '/Applications/Inkscape.app/Contents/Resources/bin/inkscape'



LDPI = ('drawable-ldpi', '48')
MDPI = ('drawable-mdpi', '72')
HDPI = ('drawable-hdpi', '108')
XHDPI = ('drawable-xhdpi', '144')

resolutions = [LDPI, MDPI, HDPI, XHDPI]


EXPORT_STANDARD = ' --export-area-page --export-png '

parser = argparse.ArgumentParser(description='This script expects the svg to be expressend in android dp. \
        This means that the resolution given in the drawing will be used for mdpi resolution and scaled to \
        generate the other resolutions')
parser.add_argument('-R','--res_folder', dest='res_folder', help='path to the project res folder')
parser.add_argument('-S','--svg_folder', dest='svg_folder', default='.', help='folder that contains all the svg files to be converted')
parser.add_argument('-I', '--inkscape_path', dest='ink_path', default='inkscape', help='path of inkscape executable')
parser.add_argument('-D', '--dry_run', dest='dry', action='store_const', const=True, help='performs a dry run')
parser.add_argument('-F', '--single_file', dest='file_name', help='name of the file if you want to convert only one file')

args = parser.parse_args()


files = os.listdir(args.svg_folder)
svg_files = filter(lambda x : x.lower().endswith('.svg'), files)


def export_file(file_name):
    print 'exporting file ' + file_name
    name_without_ext = file_name.split('.')[0]
    for rel in resolutions:
        res_path = args.res_folder + '/' + rel[0]
        if not os.path.exists(res_path):
                os.makedirs(res_path)
        target = '%s/%s.png'%(res_path, name_without_ext)
        command = args.ink_path + EXPORT_STANDARD + target + ' --export-dpi ' + rel[1] + ' -f ' + args.svg_folder + '/' + file_name 
        print 'executing ' + command
        if not args.dry:
            os.popen(command)


try:
    export_file(args.file_name)
except:
    map(export_file, svg_files)