convertImageToWebp.py

convertImageToWebp.py

from PIL import Image
from os import rename, listdir
from webptools import webplib as webp

basewidth = 512
path = "webp"
fnames = listdir(path)
for fname in fnames:
    if fname.startswith("sk") and fname.endswith(".png") and not fname.endswith("_temp.png"):
        im = Image.new("RGBA", (basewidth, basewidth), 0)
        file = path + "/" + fname
        img = Image.open(file)
        wSize = basewidth
        wpercent = (basewidth/float(img.size[0]))
        hsize = int((float(img.size[1])*float(wpercent)))
        if hsize > basewidth:
            hsize = basewidth
            wpercent = (basewidth/float(img.size[1]))
            wSize = int((float(img.size[0])*float(wpercent)))
        img = img.resize((wSize,hsize),resample = Image.BOX)
        im.paste(img, (int((basewidth - wSize)/2.0), int((basewidth - hsize) / 2.0)))
        temp = path + "/image_temp.png"
        im.save(temp, quality = 100, optimize=True) 
        print(webp.cwebp(temp,(file).replace(".png", ".webp"),"-q 80"))