s3upload.py

import cStringIO
from boto.s3.connection import S3Connection
from boto.s3.key import Key


def s3upload(filename, extension, file):
    conn = S3Connection('AWS_ACCESS_KEY', 'AWS_SECRET_KEY')
    k = Key(conn.get_bucket('<bucket name>'))
    k.key = filename
    k.set_metadata("Content-Type", file.mimetype)
    fp = cStringIO.StringIO(file.read())
    k.set_contents_from_file(fp)
    k.set_acl("public-read")
    fp.close()
    return "https://s3.amazonaws.com/<bucket name>/{}.{}".format(filename, extension)