text: #!/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
  """
  