1#!/usr/bin/python
2
3import os
4
5# assume everything needs alpha suffixes
6for root, dirs, files in os.walk('.'):
7    if "res/drawable-" not in root: continue
8
9    for before in files:
10        if "_alpha.png" in before: continue
11        if not before.startswith("ic_settings_"): continue
12
13        after = before.replace(".png", "_alpha.png")
14        os.rename(os.path.join(root, before), os.path.join(root, after))
15
16# build xml redirection
17for root, dirs, files in os.walk('.'):
18    if "res/drawable-" not in root: continue
19
20    for src in files:
21        if not src.endswith(".png"): continue
22        src = src[0:-4]
23
24        src_clause = '\n    android:src="@drawable/%s"' % (src)
25
26        alpha = src.endswith("_alpha")
27        if alpha:
28            src = src[0:-6]
29            alpha_clause = '\n    android:tint="?android:attr/colorAccent"'
30        else:
31            alpha_clause = ''
32
33        am = src.endswith("_am")
34        if am:
35            src = src[0:-3]
36            am_clause = '\n    android:autoMirrored="true"'
37        else:
38            am_clause = ''
39
40        with open("res/drawable/%s.xml" % (src), 'w') as xml:
41            xml.write("""<?xml version="1.0" encoding="utf-8"?>
42<bitmap xmlns:android="http://schemas.android.com/apk/res/android"%s%s%s />
43""" % (src_clause, alpha_clause, am_clause))
44