Unzips all files in a dir, extracting the files one by one, with a rusty status report

unzip_to_dir.py

import os, zipfile
import sys

dir_name = sys.argv[1] if len(sys.argv) > 1 else None
extension = sys.argv[2] if len(sys.argv) > 2 else ".zip"

if not dir_name:
    print("No dir name")
    sys.exit(1)

os.chdir(dir_name) # change directory from working dir to dir with files

for item in os.listdir(dir_name): # loop through items in dir
    if item.endswith(extension): # check for ".zip" extension
        file_name = os.path.abspath(item) # get full path of files
        zip_ref = zipfile.ZipFile(file_name) # create zipfile object

        uncompress_size = sum((file.file_size for file in zip_ref.infolist()))
        extracted_size = 0

        print(f"Processing file {file_name}...")
        for compressed_file in zip_ref.infolist():
            extracted_size += compressed_file.file_size
            print(f"Extracting {compressed_file}: {extracted_size * 100/uncompress_size}%\r")
            zip_ref.extract(compressed_file)

        #zip_ref.extractall(dir_name) # extract file to dir
        zip_ref.close() # close file
        os.remove(file_name) # delete zipped file