在中间件中访问django模型（django> 1.7）

我从django 1.6.5升级到django 1.9，并且在升级过程中几个中间件类。其中一些中间件类在process_request或process_response阶段使用模型。但是，我收到一个AppRegistryNotReady: Apps aren't loaded yet.错误尝试使用它们。在中间件中访问django模型（django> 1.7）

有没有办法在中间件导入模型？
我应该将我的进口报表转换成process_request/process_response方法吗？

Traceback (most recent call last): 
    File "/usr/local/lib/python2.7/dist-packages/newrelic-2.50.0.39/newrelic/api/web_transaction.py", line 1329, in _nr_wsgi_application_wrapper_ 
    result = wrapped(*args, **kwargs) 
    File "/usr/local/lib/python2.7/dist-packages/newrelic-2.50.0.39/newrelic/api/web_transaction.py", line 1329, in _nr_wsgi_application_wrapper_ 
    result = wrapped(*args, **kwargs) 
    File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/wsgi.py", line 158, in __call__ 
    self.load_middleware() 
    File "/usr/local/lib/python2.7/dist-packages/newrelic-2.50.0.39/newrelic/common/object_wrapper.py", line 302, in _wrapper 
    result = wrapped(*args, **kwargs) 
    File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 51, in load_middleware 
    mw_class = import_string(middleware_path) 
    File "/usr/local/lib/python2.7/dist-packages/django/utils/module_loading.py", line 20, in import_string 
    module = import_module(module_path) 
    File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module 
    __import__(name) 
    File "/home/web/MyJobs/MyJobs/apache/../middleware.py", line 9, in <module> 
    from django.contrib.sites.models import Site 
    File "/usr/local/lib/python2.7/dist-packages/django/contrib/sites/models.py", line 83, in <module> 
    class Site(models.Model): 
    File "/usr/local/lib/python2.7/dist-packages/django/db/models/base.py", line 94, in __new__ 
    app_config = apps.get_containing_app_config(module) 
    File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 239, in get_containing_app_config 
    self.check_apps_ready() 
    File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 124, in check_apps_ready 
    raise AppRegistryNotReady("Apps aren't loaded yet.") 
AppRegistryNotReady: Apps aren't loaded yet.

来源

2016-11-17 mklauber

这可能是您的'wsgi.py'问题。你使用'get_wsgi_application（）'还是旧的'WSGIHandler（）'？ – knbk

@knbk谢谢。我正在使用旧的处理程序。作出回答，我会接受它。 – mklauber

您需要使用新的API来获取一个WSGI处理程序：

from django.core.wsgi import get_wsgi_application 

application = get_wsgi_application()

这将调用django.setup()对你来说，这将填充应用注册表。

来源

2016-11-17 19:56:45 knbk

在中间件中访问django模型（django> 1.7）

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