2010-05-31 143 views
2

在Django中調用url時出現以下錯誤。 之前的工作,我想這與我做出的一些意外改變有關,但我不知道它們是什麼。Django屬性錯誤:'模塊'對象沒有屬性'is_usable'

感謝之前的幫助, 羅伯特

Environment: 

Request Method: GET Request URL: http://localhost:8000/time/ Django Version: 1.2 Python Version: 2.6.1 Installed Applications: ['django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.sites', 'django.contrib.messages', 'django.contrib.admin', 'djlearn.books'] Installed Middleware: ('django.middleware.common.CommonMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.middleware.csrf.CsrfViewMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.contrib.messages.middleware.MessageMiddleware') 


Traceback: File "/Library/Python/2.6/site-packages/django/core/handlers/base.py" in get_response 
    100.      response = callback(request, *callback_args, 
**callback_kwargs) File "/Users/rhenru/Workspace/django/djlearn/src/djlearn/../djlearn/views.py" in current_datetime 
    16.  return render_to_response('current_datetime.html',{'current_date':now,}) File "/Library/Python/2.6/site-packages/django/shortcuts/__init__.py" in render_to_response 
    20.  return HttpResponse(loader.render_to_string(*args, 
**kwargs), **httpresponse_kwargs) File "/Library/Python/2.6/site-packages/django/template/loader.py" in render_to_string 
    181.   t = get_template(template_name) File "/Library/Python/2.6/site-packages/django/template/loader.py" in get_template 
    157.  template, origin = find_template(template_name) File "/Library/Python/2.6/site-packages/django/template/loader.py" in find_template 
    128.    loader = find_template_loader(loader_name) File "/Library/Python/2.6/site-packages/django/template/loader.py" in find_template_loader 
    111.   if not func.is_usable: 

Exception Type: AttributeError at /time/ Exception Value: 'module' object has no attribute 'is_usable' 
+2

你可以發佈視圖和模板?而git是進行增量式本地簽入的好方法,因此「一些意外更改」很容易找到並從中恢復。 – 2010-05-31 02:53:32

回答

3

它看起來像Django是尋找一個很有用的模板加載器,但找到的東西在settings.TEMPLATE_LOADERS未履行模板加載函數協議(簡述here。)

您最近的更改可能是settings.TEMPLATE_LOADERS還是自定義模板加載器?如果是後者,您的模板功能需要is_usable屬性,推測設置爲True

+0

謝謝戴夫!它解決了! :) – 2010-05-31 10:08:55

+12

爲了下一個有這個問題的人的利益,你做了什麼? – 2010-05-31 15:23:31

+0

我想知道他做了什麼,我現在面臨同樣的問題。 – jsalonen 2011-12-07 10:37:54

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