UnusedImage.py

# coding=utf-8
import glob
import os
import re

#***************************************************************************

#must set the imageasset path
imageSet = glob.glob('Resources/images.xcassets/*/*.imageset')

#option ignore the files
ignores = {r'loading_\d+'}

# must set the source code path
sourcePath = ''

#***************************************************************************

def findUnusedResource(imageFolder):
    img_names = [os.path.basename(pic)[:-9] for pic in imageFolder]
    unused_imgs = []
    for i in range(0, len(imageFolder)):
        pic_name = img_names[i]

        if ignoreFile(pic_name):
            # print 'ignore file:%s' % (imageFolder[i])
            continue
        result = checkContentFromFolder(pic_name,sourcePath)
        if not result:
            unused_imgs.append(imageFolder[i])
            print 'remove %s' % (pic_name)
            # print 'remove %s' % (imageFolder[i])
            os.system('rm -rf "%s"' % (imageFolder[i]))


    text_path = 'unused.log'
    tex = '\n'.join(sorted(unused_imgs))
    os.system('echo "%s" > %s' % (tex, text_path))
    print 'Unused res:%d' % (len(unused_imgs))
    print 'Done!'

def checkContentFromFolder(content,folder):

    for dname, dirs, files in os.walk(folder):
        for fname in files:
            fpath = os.path.join(dname, fname)

            if fpath.find("/.git/") != -1:
                print fpath
                continue
            if fpath.find("Contents.json") != -1:
                # print fpath
                continue
            with open(fpath,'r') as f:
                s = f.read()
                if content in s:
                    return True

    return False

def ignoreFile(str):
    for ignore in ignores:
        if re.match(ignore, str):
            return True
    return False


if __name__ == '__main__':
    findUnusedResource(imageSet)