old_contents: # ***** BEGIN LICENSE BLOCK *****
  # Version: MPL 1.1/GPL 2.0/LGPL 2.1
  #
  # The contents of this file are subject to the Mozilla Public License Version
  # 1.1 (the "License"); you may not use this file except in compliance with
  # the License. You may obtain a copy of the License at
  # http://www.mozilla.org/MPL/
  #
  # Software distributed under the License is distributed on an "AS IS" basis,
  # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  # for the specific language governing rights and limitations under the
  # License.
  #
  # The Original Code is l10n django site.
  #
  # The Initial Developer of the Original Code is
  # Mozilla Foundation.
  # Portions created by the Initial Developer are Copyright (C) 2011
  # the Initial Developer. All Rights Reserved.
  #
  # Contributor(s):
  #   Stas Malolepszy <stas@mozilla.com>
  #
  # Alternatively, the contents of this file may be used under the terms of
  # either the GNU General Public License Version 2 or later (the "GPL"), or
  # the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  # in which case the provisions of the GPL or the LGPL are applicable instead
  # of those above. If you wish to allow use of your version of this file only
  # under the terms of either the GPL or the LGPL, and not to allow others to
  # use your version of this file under the terms of the MPL, indicate your
  # decision by deleting the provisions above and replace them with the notice
  # and other provisions required by the GPL or the LGPL. If you do not delete
  # the provisions above, a recipient may use your version of this file under
  # the terms of any one of the MPL, the GPL or the LGPL.
  #
  # ***** END LICENSE BLOCK *****
  
  import os
  import sys
  import site
  
  ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
  path = lambda *a: os.path.join(ROOT, *a)
  
  
  # the path to the virtual env relative to ROOT
  ENV_PATH = '../env'
  
  LOCALDIRS = (
      ROOT,
      path(ENV_PATH, 'lib', 'python' + sys.version[:3], 'site-packages'),
  )
  
  prev_sys_path = list(sys.path)
  for directory in LOCALDIRS:
      site.addsitedir(directory)
  # Reorder sys.path so that the new directories are at the front.
  new_sys_path = []
  for item in sys.path:
      if item not in prev_sys_path:
          new_sys_path.append(item)
          sys.path.remove(item)
  sys.path[:0] = new_sys_path
  
  import django.core.handlers.wsgi
  os.environ['DJANGO_SETTINGS_MODULE'] = 'settings'
  application = django.core.handlers.wsgi.WSGIHandler()
  
new_contents: # ***** BEGIN LICENSE BLOCK *****
  # Version: MPL 1.1/GPL 2.0/LGPL 2.1
  #
  # The contents of this file are subject to the Mozilla Public License Version
  # 1.1 (the "License"); you may not use this file except in compliance with
  # the License. You may obtain a copy of the License at
  # http://www.mozilla.org/MPL/
  #
  # Software distributed under the License is distributed on an "AS IS" basis,
  # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  # for the specific language governing rights and limitations under the
  # License.
  #
  # The Original Code is l10n django site.
  #
  # The Initial Developer of the Original Code is
  # Mozilla Foundation.
  # Portions created by the Initial Developer are Copyright (C) 2011
  # the Initial Developer. All Rights Reserved.
  #
  # Contributor(s):
  #   Stas Malolepszy <stas@mozilla.com>
  #
  # Alternatively, the contents of this file may be used under the terms of
  # either the GNU General Public License Version 2 or later (the "GPL"), or
  # the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  # in which case the provisions of the GPL or the LGPL are applicable instead
  # of those above. If you wish to allow use of your version of this file only
  # under the terms of either the GPL or the LGPL, and not to allow others to
  # use your version of this file under the terms of the MPL, indicate your
  # decision by deleting the provisions above and replace them with the notice
  # and other provisions required by the GPL or the LGPL. If you do not delete
  # the provisions above, a recipient may use your version of this file under
  # the terms of any one of the MPL, the GPL or the LGPL.
  #
  # ***** END LICENSE BLOCK *****
  
  import os
  import sys
  import site
  
  wsgidir = os.path.dirname(__file__)
  path = lambda *a: os.path.join(wsgidir, *a)
  prev_sys_path = list(sys.path)
  
  # the elmo root for importing manage
  site.addsitedir(path('..'))
  # the parent dir of elmo root, needed to import elmo.urls
  site.addsitedir(path('..', '..'))
  
  # Reorder sys.path so that the new directories are at the front.
  #
  # The goal of the following reordering is to give the modules in the root 
  # directory the highest priority, then virtualenv, then global python packages.  
  # Since we're prepending to sys.path, we start with virtualenv, then project's 
  # root.
  
  # 1. Add virtualenv to sys.path
  # =============================
  
  # the path to the virtual env relative to wsgidir
  ENV_PATH = '../../env'
  
  # the packages installed in the virtualenv
  site.addsitedir(path(ENV_PATH, 'lib', 'python' + sys.version[:3],
                       'site-packages'))
  
  # reorder sys.path so that the new directories are at the front
  new_sys_path = []
  for item in sys.path:
      if item not in prev_sys_path:
          new_sys_path.append(item)
          sys.path.remove(item)
  sys.path[:0] = new_sys_path
  
  # 2. Add project's root to sys.path
  # =================================
  
  # manage prepends /apps, /lib, and /vendor to sys.path on its own
  import manage
  
  
  import django.core.handlers.wsgi
  os.environ['DJANGO_SETTINGS_MODULE'] = 'settings'
  application = django.core.handlers.wsgi.WSGIHandler()
  
subject: Add comments, reorder the code a bit