1 import os, sys, site

     2 

     3 def application(environ, start_response):

     4     os.environ['DJANGO_SETTINGS_MODULE'] = environ['DJANGO_SETTINGS_MODULE']

     5 

     6     prev_sys_path = list(sys.path)

     7 

     8     sys.path.append(environ['PROJECT_PATH'])

     9     for path in environ.get('PYTHON_PATH',"").split(os.pathsep):

    10         if path:

    11             site.addsitedir(path)

    12 

    13     new_sys_path = [] 

    14     for item in list(sys.path): 

    15         if item not in prev_sys_path: 

    16             new_sys_path.append(item) 

    17             sys.path.remove(item)

    18     sys.path[:0] = new_sys_path 

    19 

    20     import django.core.handlers.wsgi

    21 

    22     _application = django.core.handlers.wsgi.WSGIHandler()

    23 

    24     return _application(environ, start_response)

    25