CONVERT JPG , PNG TO WEBP

webp.py

#!/usr/bin/python3
import sys
import subprocess
import os

def  cwebp(dir):
        for item in os.listdir(dir):
                file = os.path.join(dir,item)
                if(os.path.isfile(file)):
                        ext =os.path.splitext(file)
                        if(os.path.getsize(file) > 100000 and (ext[1].lower()==".jpg" or ext[1].lower()==".png")):
                                #print(ext)
                                r=subprocess.call(["cwebp","-metadata","all","-q","90","-mt",file,"-o",file+".webp"])
                                print(r)
                                os.remove(file)
                if(os.path.isdir(file)):
                        print(file)
                        cwebp(file)
cwebp(".")

webp.sh

#!/bin/bash

cwebp_img(){
        for f in  $1"/"*;do
                #echo "$f"
                #cwebp -q 90 "$f" -o "$f.webp" 
                if [ -d "$f" ]
                then
                        #cwebp_img "$1/$f"
                        echo "$f"
                        cwebp_img "$f"
                else
                        filesize=`ls -l "$f" | awk '{ print $5 }'`
                        if [ $filesize -gt 204800 ]
                        then
                                if [ "${f##*.}"x = "jpg"x ]||[ "${f##*.}"x = "png"x ]||[ "${f##*.}"x = "JPG"x ]||[ "${f##*.}"x = "PNG"x ];then

                                        cwebp -mt -q 85 -metadata all  "$f" -o "$f.webp"  
                                        #echo "$f.webp"
                                        rm "$f"
                                fi
                        fi
                fi
        done
}