#!/usr/bin/python3
 import boto3
 import os

 def s3pump(path,bucket):
     dir=os.path.dirname(path)
     if dir and not os.path.exists(dir):
         os.makedirs(dir)
     if os.path.basename(path):
         bucket.download_file(path,path)

 bname='prosnapshot'
 client = boto3.client('s3')
 bucket = boto3.resource('s3').Bucket(bname)

 pgnr = client.get_paginator('list_objects')
 page_it = pgnr.paginate(Bucket=bname)

 for page in page_it:
     if page.get('Contents') is not None:
         for file in page.get('Contents'):
             s3pump(file.get('Key'), bucket)