command-line python for uploading s3 packages

gistfile1.py

import boto.s3
from boto.s3.key import Key
import sys
import math


def percent_cb(complete, total):
    sys.stdout.write(str(math.trunc(complete/max(total, 1)) * 100) + '%..')
    if total == complete:
        print 'done!'
    else:
        sys.stdout.flush()


from optparse import OptionParser

parser = OptionParser()
parser.add_option('-i', '--inputfile', dest='input_file', metavar='FILE', help='the file to upload')
parser.add_option('-k', '--key', dest='key_name', metavar='KEY', help='the s3 key to store as')
parser.add_option('-b', '--bucket', dest='bucket_name', metavar='BUCKET', help='the s3 bucket to store in', default='super-awesome-bucket')
parser.add_option('-a', '--aws_access_key', dest='aws_access_key', metavar='KEY', help='the aws access key to authenticate with')
parser.add_option('-s', '--aws_secret_key', dest='aws_secret_key', metavar='KEY', help='the aws secret key to authenticate with')

(options, args) = parser.parse_args()

if options.input_file is None:
    print('you need to specify an input file, e.g. -i <filename>')
elif options.key_name is None:
    print('you need to specify an key name, e.g. -k <key>')
elif options.bucket_name is None:
    print('you need to specify an bucket, or leave out to use default, e.g. -b <bucket>')
elif options.aws_access_key is None:
    print('you need to specify an aws_access_key, or leave out to use default, e.g. -b <bucket>')
elif options.aws_secret_key is None:
    print('you need to specify an aws_secret_key, e.g. -b <bucket>')
else:
    input_file = sys.argv[1:][0]

    conn = boto.connect_s3(options.aws_access_key, options.aws_secret_key)
    bucket = conn.create_bucket(options.bucket_name)

    k = Key(bucket)
    k.key = options.key_name

    print('About to upload %s to S3 at %s:%s' % (options.input_file, options.bucket_name, options.key_name))
    k.set_contents_from_filename(options.input_file, cb=percent_cb, num_cb=10)