Django:无法访问中间件中的变量集
我试图在自定义中间件中向请求变量添加一个变量。稍后,我想从视图中访问该变量。以下是相关位: 中间件.pyDjango:无法访问中间件中的变量集,django,django-middleware,Django,Django Middleware,我试图在自定义中间件中向请求变量添加一个变量。稍后,我想从视图中访问该变量。以下是相关位: 中间件.py class DomainInterceptMiddleware(object): def process_request(self, request): request.myvar = 'whatever' def index(request): output = request.myvar return HttpResponse(output)
class DomainInterceptMiddleware(object):
def process_request(self, request):
request.myvar = 'whatever'
def index(request):
output = request.myvar
return HttpResponse(output)
settings.py-在上述CommonMiddleware
MIDDLEWARE = [
'django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'page.middleware.DomainInterceptMiddleware', #
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
]
视图.py
class DomainInterceptMiddleware(object):
def process_request(self, request):
request.myvar = 'whatever'
def index(request):
output = request.myvar
return HttpResponse(output)
但是,在尝试访问/index
时,我遇到了这个错误
File "/path/to/views.py", line 32, in index
output = request.myvar
AttributeError: 'WSGIRequest' object has no attribute 'myvar'
我哪里出错了?您当前的中间件类是为旧的
中间件类设置编写的
您正在使用中间件
设置,因此需要编写一个(Django 1.10+)
如果需要向后兼容,可以使用fromdjango.utils.deprecation
from django.utils.deprecation.MiddlewareMixin
class DomainInterceptMiddleware(MiddlewareMixin):
def process_request(self, request):
request.myvar = 'whatever'
或者,您可以将其转换为新型中间件
class DomainInterceptMiddleware(object):
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
request.myvar = 'whatever'
response = self.get_response(request)
return response
有关更多信息,请参阅上的文档。您当前的中间件类是为旧的中间件类设置编写的
您正在使用中间件
设置,因此需要编写一个(Django 1.10+)
如果需要向后兼容,可以使用fromdjango.utils.deprecation
from django.utils.deprecation.MiddlewareMixin
class DomainInterceptMiddleware(MiddlewareMixin):
def process_request(self, request):
request.myvar = 'whatever'
或者,您可以将其转换为新型中间件
class DomainInterceptMiddleware(object):
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
request.myvar = 'whatever'
response = self.get_response(request)
return response
有关更多信息,请参阅上的文档