Extract apk, Operation , and compressed again

extractOpscompressed.py

import zipfile
import sys
import os
import shutil

def extract(filename,extractpath="./extract/"):
	if(os.path.isdir(extractpath)):
		shutil.rmtree(extractpath)
	zip_ref = zipfile.ZipFile(filename, 'r')
	zip_ref.extractall(extractpath)
	zip_ref.close()

def deleteFiles(extractpath="./extract/"):
	if(os.path.isfile(extractpath+"/assets/file.txt")):
		os.unlink(extractpath+"/assets/file.txt")
	if(os.path.isdir(extractpath+"/folder")):
		shutil.rmtree(extractpath+"/folder")

def compressFolder(filename,extractpath="./extract/"):
	zipf = zipfile.ZipFile(filename, 'w', zipfile.ZIP_DEFLATED)
	# The root directory within the ZIP file.
        rootdir = os.path.basename(extractpath)

	for root, dirs, files in os.walk(extractpath):
		for file in files:
			# Write the file named filename to the archive,
	                # giving it the archive name 'arcname'.
        	        filepath   = os.path.join(root, file)
        	        parentpath = os.path.relpath(filepath, extractpath)
        	        arcname    = os.path.join(rootdir, parentpath)
	                zipf.write(filepath, arcname)
	zipf.close()


try:
	extract(sys.argv[1])
	deleteFiles()
	compressFolder(sys.argv[1]+"new")	
except IndexError:
	print("please pass zip file")