from amazonservices import uploader, analyzer; 
import sys
import base64
import os

name = sys.argv[1]

filename, file_extension = os.path.splitext(name)
with open(name, "rb") as f:
    encoded = base64.b64encode(f.read())
    name = uploader.upload_file(encoded, file_extension)
    number, instances = analyzer.cars(name)
    print("Service recognized %d cars" % number)