android selector generagtor

gistfile1.pytb

from os import listdir
import sys
import os
import string

xml_prefix = '<?xml version="1.0" encoding="utf-8"?>\n' \
	+ '<selector xmlns:android="http://schemas.android.com/apk/res/android">\n' \
	+ '<item android:drawable="@drawable/'
pressed_postfix = '" android:state_pressed="true"></item>\n'
normal_prefix = '<item android:drawable="@drawable/'
normal_postfix = '"></item>\n' \
	+ '</selector>'

dst_drawable_dir = './drawable/'
src_drawable_dir = './drawable-xhdpi'

def generage_selector(normal, pressed):
	f = open(dst_drawable_dir + normal + '.xml', 'w')
	f.write(xml_prefix)
	f.write(pressed)
	f.write(pressed_postfix)
	f.write(normal_prefix)
	f.write(normal)
	f.write(normal_postfix)
	f.close()

pngs = listdir(src_drawable_dir)
files = [p.split('.')[0] for p in pngs if string.upper(p.split('.')[1]) == 'PNG']

if len(files) % 2 != 0:
	print 'files are invalid'
	sys.exit()

if os.path.exists(dst_drawable_dir) == False:
	os.makedirs(dst_drawable_dir)

for i in range(len(files)/2):
	generage_selector(files[i * 2], files[i * 2 + 1])

print 'done!'