为什么Django抱怨我还没有设置我的ENGINE？

Question

DATABASES = { 
    'default': { 
     'ENGINE': 'django.db.backends.mysql', # Add 'postgresql_psycopg2', 'postgresql', 'mysql', 'sqlite3' or 'oracle'. 
     'NAME': 'djangobb',      # Or path to database file if using sqlite3. 
     'USER': 'root',      # Not used with sqlite3. 
     'PASSWORD': 'root',     # Not used with sqlite3. 
     'HOST': '',      # Set to empty string for localhost. Not used with sqlite3. 
     'PORT': '',      # Set to empty string for default. Not used with sqlite3. 
    } 
} 

任何想法？我不能manage.py运行执行syncdb命令：

Environment: 

Request Method: GET 
Request URL: http://localhost:8000/admin/ 
Django Version: 1.2.1 
Python Version: 2.5.4 
Installed Applications: 
['django.contrib.auth', 
'django.contrib.contenttypes', 
'django.contrib.sessions', 
'django.contrib.sites', 
'django.contrib.sitemaps', 
'django.contrib.admin', 
'django.contrib.admindocs', 
'registration', 
'django_authopenid', 
'djangobb_forum', 
'djapian', 
'messages'] 
Installed Middleware: 
('django.middleware.cache.UpdateCacheMiddleware', 
'django.middleware.common.CommonMiddleware', 
'django.contrib.sessions.middleware.SessionMiddleware', 
'django.middleware.locale.LocaleMiddleware', 
'django.contrib.auth.middleware.AuthenticationMiddleware', 
'django.contrib.csrf.middleware.CsrfMiddleware', 
'django_authopenid.middleware.OpenIDMiddleware', 
'django.middleware.cache.FetchFromCacheMiddleware', 
'django.middleware.transaction.TransactionMiddleware', 
'djangobb_forum.middleware.LastLoginMiddleware', 
'djangobb_forum.middleware.UsersOnline') 


Traceback: 
File "C:\Python25\Lib\site-packages\django\core\handlers\base.py" in get_response 
    80.      response = middleware_method(request) 
File "C:\Python25\Lib\site-packages\django\middleware\locale.py" in process_request 
    16.   language = translation.get_language_from_request(request) 
File "C:\Python25\Lib\site-packages\django\utils\translation\__init__.py" in get_language_from_request 
    90.  return real_get_language_from_request(request) 
File "C:\PYTHON25\lib\site-packages\django\utils\functional.py" in _curried 
    55.   return _curried_func(*(args+moreargs), **dict(kwargs, **morekwargs)) 
File "C:\Python25\Lib\site-packages\django\utils\translation\__init__.py" in delayed_loader 
    36.  return getattr(trans, real_name)(*args, **kwargs) 
File "C:\Python25\Lib\site-packages\django\utils\translation\trans_real.py" in get_language_from_request 
    339.   lang_code = request.session.get('django_language', None) 
File "C:\Python25\Lib\site-packages\django\contrib\sessions\backends\base.py" in get 
    63.   return self._session.get(key, default) 
File "C:\Python25\Lib\site-packages\django\contrib\sessions\backends\base.py" in _get_session 
    172.     self._session_cache = self.load() 
File "C:\Python25\Lib\site-packages\django\contrib\sessions\backends\db.py" in load 
    20.     expire_date__gt=datetime.datetime.now() 
File "C:\Python25\lib\site-packages\django\db\models\manager.py" in get 
    132.   return self.get_query_set().get(*args, **kwargs) 
File "C:\Python25\Lib\site-packages\django\db\models\query.py" in get 
    336.   num = len(clone) 
File "C:\Python25\Lib\site-packages\django\db\models\query.py" in __len__ 
    81.     self._result_cache = list(self.iterator()) 
File "C:\Python25\Lib\site-packages\django\db\models\query.py" in iterator 
    269.   for row in compiler.results_iter(): 
File "C:\Python25\Lib\site-packages\django\db\models\sql\compiler.py" in results_iter 
    672.   for rows in self.execute_sql(MULTI): 
File "C:\Python25\Lib\site-packages\django\db\models\sql\compiler.py" in execute_sql 
    717.    sql, params = self.as_sql() 
File "C:\Python25\Lib\site-packages\django\db\models\sql\compiler.py" in as_sql 
    56.   out_cols = self.get_columns(with_col_aliases) 
File "C:\Python25\Lib\site-packages\django\db\models\sql\compiler.py" in get_columns 
    185.      col_aliases) 
File "C:\Python25\Lib\site-packages\django\db\models\sql\compiler.py" in get_default_columns 
    273.     r = '%s.%s' % (qn(alias), qn2(field.column)) 
File "C:\Python25\Lib\site-packages\django\db\models\sql\compiler.py" in quote_name_unless_alias 
    43.   r = self.connection.ops.quote_name(name) 
File "C:\Python25\lib\site-packages\django\db\backends\dummy\base.py" in complain 
    15.  raise ImproperlyConfigured("You haven't set the database ENGINE setting yet.") 

Exception Type: ImproperlyConfigured at /admin/ 
Exception Value: You haven't set the database ENGINE setting yet. 

Answer 1

我把我的旧的方式和新途径，因此，它不是Django的特定版本：

DATABASE_ENGINE = 'django.db.backends.sqlite3' 
DATABASE_NAME  = '/path/to/db/foo.sqlite3' 
DATABASE_USER  = '' 
DATABASE_PASSWORD = '' 
DATABASE_HOST  = '' 
DATABASE_PORT  = '' 

DATABASES = { 
    'default': { 
    'ENGINE': DATABASE_ENGINE, 
    'NAME':  DATABASE_NAME, 
    'USER':  DATABASE_USER, 
    'PASSWORD': DATABASE_PASSWORD, 
    'HOST':  DATABASE_HOST, 
    'PORT':  DATABASE_PORT, 
    } 
} 

但是，是的，我'd仔细检查你的安装是否是你认为的版本。

UPDATE：

您可能试图导入从设置一些管理员模块中，并在设置导入管理模块。有时循环导入导致上述情况。

特别是，使用设置中的反向（“URL名称”）可能导致这一点，因为它最终迫使它来看看一些深层次暗的“网站”表...

UPDATE2 ：

对不起，来解释上述：

• 的圆形进口是当从模块B模块A的进口，并在一定程度上，模块B也期间，需要从模块A的东西在某一点第二层次的深度，它通常以某种难以理解的方式失败。
• Reverse（）是将url的名称（urls.py中的name =“foo”）转换回url本身的函数。这使得在设置或管理模块中并不总是可能的呼叫。

UPDATE3：

看着djangobb.org/ticket/81你指出，打破一些术语下来票，CSRF令牌是用于添加跨站请求伪造保护模板标签：

http://docs.djangoproject.com/en/dev/ref/contrib/csrf/

它一般是这样的，从我的一个项目到grep：

# grep -ri csrf . 
    ./registration/login.html: <form method="post" action="{% url django.contrib.auth.views.login %}">{% csrf_token %} 

虽然我不知道djapian是我自己，但通常意味着直接安装（通常是svn）中继 - 或者“最新的，在版本中检查，这比新的任何版本，并可能经过测试的官方版本“。通常，这需要执行一些操作，如svn checkout http://wherever.com/someproject/trunk/ ./someproject，然后转到该目录进行安装。