Export Sketch file to android dpi-folders without slices

Sketch-android-export

#!/usr/bin/python
import os
import argparse
from subprocess import call

"""
This script should run with any recent version of python (2.7 or 3+)

For this to run, sketchtool should be available (download from http://bohemiancoding.com/sketch/tool/ )

To use this from anywhere, put the file in a folder on your $PATH (`/usr/local/bin` for example),
Give it execute permission by running:

`chmod +x sketchandroid`

Then run from anywhere:

`sketchandroid Assets.sketch -e export/android`

"""

def sketch_export(file, export_dir='export'):

    format = 'sketchtool export artboards {file} --output="{export}/drawable-{dpi}" --scales="{scale}"'
    commands = [
        format.format(file=file, dpi='mdpi', scale='1.0', export=export_dir),
        format.format(file=file, dpi='hdpi', scale='1.5', export=export_dir),
        format.format(file=file, dpi='xhdpi', scale='2.0', export=export_dir),
        format.format(file=file, dpi='xxhdpi', scale='3.0', export=export_dir)
    ]
    for command in commands:
        call(command, shell=True)


def rename_dots(folder):
    rootdir = os.path.join(os.path.dirname(__file__), folder)
    count = 0
    for root, subFolders, files in os.walk(rootdir):
        pngs = [f for f in files if '.png' in f]
        for png in pngs:
            name, ext = os.path.splitext(png)
            if '.' in name.rstrip('.9'):
                name = name.replace('.', '_')
                if name.endswith('_9'):
                    name = name[:-2] + '.9'

                os.rename(
                    os.path.join(root, png),
                    os.path.join(root, name + ext)
                )
                count += 1
    print('Renamed {} files to remove periods'.format(count))


def rename_scale_indication(folder):
    rootdir = os.path.join(os.path.dirname(__file__), folder)
    count = 0
    for root, subFolders, files in os.walk(rootdir):
        pngs = [f for f in files if '@1x.png' in f]
        pngs += [f for f in files if '@2x.png' in f]
        pngs += [f for f in files if '@3x.png' in f]

        for png in pngs:
            name, ext = os.path.splitext(png)
            newname = png.replace('@1x', '')
            newname = newname.replace('@2x', '')
            newname = newname.replace('@3x', '')

            os.rename(os.path.join(root, png), os.path.join(root, newname))
            count += 1
    print('Renamed {} files to remove @1x, @2x, @3x'.format(count))


parser = argparse.ArgumentParser(description='Sketch to Android assets')
parser.add_argument(
    'filename',
    help='Path to sketch file'
)
parser.add_argument(
    '-e',
    action='store',
    dest='export_folder',
    help='folder to export the assets to.'
)
args = parser.parse_args()
folder_arg = args.export_folder

if not os.path.isabs(folder_arg):
    folder = os.path.join(os.getcwd(), args.export_folder or 'export')

sketch_export(args.filename, export_dir=folder)
rename_scale_indication(folder)
rename_dots(folder)

Could use some optimization, but this works for now