extract_file_from_zip.py

'''
Extract a file in a zip file, without opening the zip file

Parameters-------

file_to_get: 
   filename like 'test.txt' to get
   
zip_file:
   target zip filename like 'zipfile.zip' 

zip_dir:
  directory path where zip file is. 
  If zip and python code file are in same directory, '.'.

save_dir = '.'
  directory to save exctract file. 
  If same directory, '.'.

'''

import glob
import sys
import zipfile

file_to_get = 'test.txt'
zip_file = 'zipfile.zip'
zip_dir = '.'
save_dir = '.'


def extract_file_from_zip(file_to_get, zip_file, zip_dir, save_dir):
   
    zip_path = zip_dir+'/'+zip_file
   
    with zipfile.ZipFile(zip_path, 'r') as myzip:
       
        for n in myzip.namelist():
           
            if file_to_get in n:
                myzip.extract(n, save_dir)
                print('extracted:', n)
                sys.exit()

    print(zip_file, ': not found')

   
if __name__ == "__main__":
    extract_file_from_zip(file_to_get, zip_file, zip_dir, save_dir)