helpers.py 文件源码

def blurCover(coverurl, cachepath):
    savepath = os.path.join(cachepath, coverurl.rsplit('/', 1)[-1] + '.jpg')
    if os.path.isfile(savepath):
        return savepath
    else:
        cover = Image.open(io.BytesIO(urllib.urlopen(coverurl).read()))
        cover_blurred = cover.filter(ImageFilter.GaussianBlur(80))
        cover_blurred = cover_blurred.point(lambda p: p * 0.5)
        cover_blurred.save(savepath)
        return savepath