old_contents: # django-salesforce
  #
  # by Phil Christensen
  # (c) 2012-2013 Freelancers Union (http://www.freelancersunion.org)
  # See LICENSE.md for details
  #
  
  """
  Database backend for the Salesforce API.
  """
  
  import socket
  from django.conf import settings
  import logging
  log = logging.getLogger(__name__)
  
  sf_alias = getattr(settings, 'SALESFORCE_DB_ALIAS', 'salesforce')
  
  # The maximal number of retries for requests to SF API.
  MAX_RETRIES = getattr(settings, 'REQUESTS_MAX_RETRIES', 1)
  
  
  def getaddrinfo_wrapper(host, port, family=socket.AF_INET, socktype=0, proto=0, flags=0):
  	    return orig_getaddrinfo(host, port, family, socktype, proto, flags)
  
  # patch to IPv4 if required and not patched by anything other yet
  if getattr(settings, 'IPV4_ONLY', False) and socket.getaddrinfo.__module__ in ('socket', '_socket'):
  	log.info("Patched socket to IPv4 only")
  	orig_getaddrinfo = socket.getaddrinfo
  	# replace the original socket.getaddrinfo by our version
  	socket.getaddrinfo = getaddrinfo_wrapper
  
new_contents: # django-salesforce
  #
  # by Phil Christensen
  # (c) 2012-2013 Freelancers Union (http://www.freelancersunion.org)
  # See LICENSE.md for details
  #
  
  """
  Database backend for the Salesforce API.
  
  No code in this directory is used with standard databases, even if a standard
  database is used for running some application tests on objects defined by
  SalesforceModel. All code for SF models that can be used with non SF databases
  should be located directly in the 'salesforce' directory in files 'models.py',
  'fields.py', 'manager.py', 'router.py', 'admin.py'.
  
  Incorrectly located files: (It is better not to change it now.)
  	backend/manager.py   => manager.py
  	auth.py              => backend/auth.py
  """
  
  import socket
  from django.conf import settings
  import logging
  log = logging.getLogger(__name__)
  
  sf_alias = getattr(settings, 'SALESFORCE_DB_ALIAS', 'salesforce')
  
  # The maximal number of retries for requests to SF API.
  MAX_RETRIES = getattr(settings, 'REQUESTS_MAX_RETRIES', 1)
  
  
  def getaddrinfo_wrapper(host, port, family=socket.AF_INET, socktype=0, proto=0, flags=0):
  	    return orig_getaddrinfo(host, port, family, socktype, proto, flags)
  
  # patch to IPv4 if required and not patched by anything other yet
  if getattr(settings, 'IPV4_ONLY', False) and socket.getaddrinfo.__module__ in ('socket', '_socket'):
  	log.info("Patched socket to IPv4 only")
  	orig_getaddrinfo = socket.getaddrinfo
  	# replace the original socket.getaddrinfo by our version
  	socket.getaddrinfo = getaddrinfo_wrapper
  
subject: Comment about the directory structure