Using Python to Zip a Directory then Upload to AWS S3

backerupper.py

import os, sys
import math
import boto
import string
import shutil
from os import path
from os import stat
from array import *
from time import gmtime, strftime
from boto.s3.key import Key
import boto.s3.connection

class backupper():
    root_dir = '/Users/me/Documents/test/'
    backup_path = '/Users/me/Documents/backup/'
    backup_file =  strftime('%Y-%m-%d-%H-%M-%S', gmtime())    
    
    aws_host = 'us-east-2'
    aws_key = '<aws-key>'
    aws_secret_key = '<aws-secret-key>'    
    
        
    def uploadBackup(self):
        s3 = boto.s3.connect_to_region(self.aws_host,
                                       aws_access_key_id=self.aws_key,
                                       aws_secret_access_key=self.aws_secret_key,
                                       is_secure=True,
                                       calling_format=boto.s3.connection.OrdinaryCallingFormat())        
        b = s3.get_bucket('backups')
        file_path = self.backup_path + self.backup_file + '.zip'
        filename = os.path.basename(file_path)
        k = b.new_key(filename)
    
        mp = b.initiate_multipart_upload(filename)
    
        source_size = os.stat(file_path).st_size
        bytes_per_chunk = 5000*1024*1024
        chunks_count = int(math.ceil(source_size / float(bytes_per_chunk)))
    
        for i in range(chunks_count):
            offset = i * bytes_per_chunk
            remaining_bytes = source_size - offset
            bytes = min([bytes_per_chunk, remaining_bytes])
            part_num = i + 1
    
            print "uploading part " + str(part_num) + " of " + str(chunks_count)
    
            with open(file_path, 'r') as fp:
                fp.seek(offset)
                mp.upload_part_from_file(fp=fp, part_num=part_num, size=bytes)
    
        if len(mp.get_all_parts()) == chunks_count:
            mp.complete_upload()
            print "upload to S3 complete"
        else:
            mp.cancel_upload()
            print "upload to S3 failed"
    
            
    def doBackup(self):
        print "Backing up to: " + self.backup_path
        shutil.make_archive(self.backup_path + self.backup_file, 'zip', self.root_dir)
        self.uploadBackup();

            
if __name__ == '__main__':
    b = backupper()
    b.doBackup()