UUID Byte Benchmark Test for Cpython

uuid_benchmark.py

import uuid
import time
import sys
from binascii import unhexlify


N = int(sys.argv[1])


class UpdatedUUID(uuid.UUID):
    @property
    def bytes(self):
        return unhexlify(self.hex)  


def run_test(): 
    original_times = 0
    updated_times = 0

    for x in xrange(N):
        original_uuid = uuid.uuid4()
        updated_uuid = UpdatedUUID(hex=original_uuid.hex)
        compare_uuids(original_uuid, updated_uuid)

        original_times += benchmark(original_uuid)
        updated_times += benchmark(updated_uuid)

    print "Original Average: %s" % format_time(original_times)
    print "Updated Average: %s" % format_time(updated_times)


def format_time(runtime):
    return ('%.3f microseconds' % (runtime * 1000000.0 / N))


def benchmark(uuid_object):
    t = time.time()
    uuid_object.bytes
    return time.time() - t


def compare_uuids(original, updated):
    if original.bytes != updated.bytes:
        print "Original UUID does not match updated UUID byte representation."
        sys.exit(1)


run_test()