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#!/usr/bin/env python

"""
Really simple rudimentary benchmark to compare ConnectionPool versus standard
urllib to demonstrate the usefulness of connection re-using.
"""
from __future__ import print_function

import sys
import time
import urllib

sys.path.append('../')
import urllib3


# URLs to download. Doesn't matter as long as they're from the same host, so we
# can take advantage of connection re-using.
TO_DOWNLOAD = [
    'http://code.google.com/apis/apps/',
    'http://code.google.com/apis/base/',
    'http://code.google.com/apis/blogger/',
    'http://code.google.com/apis/calendar/',
    'http://code.google.com/apis/codesearch/',
    'http://code.google.com/apis/contact/',
    'http://code.google.com/apis/books/',
    'http://code.google.com/apis/documents/',
    'http://code.google.com/apis/finance/',
    'http://code.google.com/apis/health/',
    'http://code.google.com/apis/notebook/',
    'http://code.google.com/apis/picasaweb/',
    'http://code.google.com/apis/spreadsheets/',
    'http://code.google.com/apis/webmastertools/',
    'http://code.google.com/apis/youtube/',
]


def urllib_get(url_list):
    assert url_list
    for url in url_list:
        now = time.time()
        r = urllib.urlopen(url)
        elapsed = time.time() - now
        print("Got in %0.3f: %s" % (elapsed, url))


def pool_get(url_list):
    assert url_list
    pool = urllib3.PoolManager()
    for url in url_list:
        now = time.time()
        r = pool.request('GET', url, assert_same_host=False)
        elapsed = time.time() - now
        print("Got in %0.3fs: %s" % (elapsed, url))


if __name__ == '__main__':
    print("Running pool_get ...")
    now = time.time()
    pool_get(TO_DOWNLOAD)
    pool_elapsed = time.time() - now

    print("Running urllib_get ...")
    now = time.time()
    urllib_get(TO_DOWNLOAD)
    urllib_elapsed = time.time() - now

    print("Completed pool_get in %0.3fs" % pool_elapsed)
    print("Completed urllib_get in %0.3fs" % urllib_elapsed)


"""
Example results:

Completed pool_get in 1.163s
Completed urllib_get in 2.318s
"""