django error ,about django-sphinx
Question: 
    from django.db import models
    from djangosphinx.models import SphinxSearch
    
    class MyModel(models.Model):
        search = SphinxSearch() # optional: defaults to db_table
        # If your index name does not match MyModel._meta.db_table
        # Note: You can only generate automatic configurations from the ./manage.py script
        # if your index name matches.
        search = SphinxSearch('index_name')
    
        # Or maybe we want to be more.. specific
        searchdelta = SphinxSearch(
            index='index_name delta_name',
            weights={
                'name': 100,
                'description': 10,
                'tags': 80,
            },
            mode='SPH_MATCH_ALL',
            rankmode='SPH_RANK_NONE',
        )
    
    queryset = MyModel.search.query('query')
    results1 = queryset.order_by('@weight', '@id', 'my_attribute')
    results2 = queryset.filter(my_attribute=5)
    results3 = queryset.filter(my_other_attribute=[5, 3,4])
    results4 = queryset.exclude(my_attribute=5)[0:10]
    results5 = queryset.count()
    
    # as of 2.0 you can now access an attribute to get the weight and similar arguments
    for result in results1:
        print result, result._sphinx
    # you can also access a similar set of meta data on the queryset itself (once it's been sliced or executed in any way)
    print results1._sphinx
    

and

    
    
    Traceback (most recent call last):
      File "D:\zjm_code\sphinx_test\models.py", line 1, in <module>
        from django.db import models
      File "D:\Python25\Lib\site-packages\django\db\__init__.py", line 10, in <module>
        if not settings.DATABASE_ENGINE:
      File "D:\Python25\Lib\site-packages\django\utils\functional.py", line 269, in __getattr__
        self._setup()
      File "D:\Python25\Lib\site-packages\django\conf\__init__.py", line 38, in _setup
        raise ImportError("Settings cannot be imported, because environment variable %s is undefined." % ENVIRONMENT_VARIABLE)
    ImportError: Settings cannot be imported, because environment variable DJANGO_SETTINGS_MODULE is undefined.
    


Answer: I know what the problem is :)

You are trying to run this script as stand-alone. But since you use django
models. all of them have to be imported in your `namespace`. This is what is
the error. It clearly days `ImportError`.

To solve - go to your django-project directory & then type `python manage.py
shell`. This imports all Django-env files. Now import your models & try out
the search.

