I'm getting a very strange error:
TypeError at /admin/
object.__new__() takes no parameters
I've isolated the problematic code to my middleware for an application
I built called staticpages. It uses the same mechanism and so the same
middleware as flatpages. This is the code:
from django.http import Http404
from django.conf import settings
from asqcom.apps.staticpages.views import staticpage
class StaticpageFallbackMiddleware(object):
def process_response(self, request, response):
if response.status_code != 404:
return response
try:
return staticpage(request, request.path_info)
# Return the original response if any errors happened. Because
this
# is a middleware, we can't assume the errors will be caught
elsewhere.
except Http404:
return response
except:
if settings.DEBUG:
raise 'staticpages.middleware error'
return response
When I comment out this middleware, everything is okay.
Below is the traceback:
# /usr/local/lib/python2.6/dist-packages/django/core/handlers/base.py
in get_response
85. # Apply view middleware
86. for middleware_method in self._view_middleware:
87. response = middleware_method(request, callback, callback_args,
callback_kwargs)
88. if response:
89. return response
90.
91. try:
92. response = callback(request, *callback_args,
**callback_kwargs) ...
93. except Exception, e:
94. # If the view raised an exception, run it through exception
95. # middleware, and if the exception middleware returns a
96. # response, use that. Otherwise, reraise the exception.
97. for middleware_method in self._exception_middleware:
98. response = middleware_method(request, e)
# /usr/local/lib/python2.6/dist-packages/django/contrib/admin/sites.py
in wrapper
185. return update_wrapper(inner, view)
186.
187. def get_urls(self):
188. from django.conf.urls.defaults import patterns, url, include
189.
190. def wrap(view):
191. def wrapper(*args, **kwargs):
192. return self.admin_view(view)(*args, **kwargs) ...
193. return update_wrapper(wrapper, view)
194.
195. # Admin-site-wide views.
196. urlpatterns = patterns('',
197. url(r'^$',
198. wrap(self.index),
# /usr/local/lib/python2.6/dist-packages/django/contrib/admin/sites.py
in inner
177. url(r'^my_view/$', self.admin_view(some_view))
178. )
179. return urls
180. """
181. def inner(request, *args, **kwargs):
182. if not self.has_permission(request):
183. return self.login(request)
184. return view(request, *args, **kwargs) ...
185. return update_wrapper(inner, view)
186.
187. def get_urls(self):
188. from django.conf.urls.defaults import patterns, url, include
189.
190. def wrap(view):
# /usr/local/lib/python2.6/dist-packages/django/views/decorators/
cache.py in _wrapped_view_func
37.
38. def never_cache(view_func):
39. """
40. Decorator that adds headers to a response so that it will
41. never be cached.
42. """
43. def _wrapped_view_func(request, *args, **kwargs):
44. response = view_func(request, *args, **kwargs) ...
45. add_never_cache_headers(response)
46. return response
47. return wraps(view_func)(_wrapped_view_func)
# /usr/local/lib/python2.6/dist-packages/django/contrib/admin/sites.py
in index
359. context = {
360. 'title': _('Site administration'),
361. 'app_list': app_list,
362. 'root_path': self.root_path,
363. }
364. context.update(extra_context or {})
365. return render_to_response(self.index_template or 'admin/
index.html', context,
366. context_instance=template.RequestContext(request) ...
367. )
368. index = never_cache(index)
369.
370. def display_login_form(self, request, error_message='',
extra_context=None):
371. request.session.set_test_cookie()
372. context = {
# /usr/local/lib/python2.6/dist-packages/django/template/context.py in
__init__
99. def __init__(self, request, dict=None, processors=None):
100. Context.__init__(self, dict)
101. if processors is None:
102. processors = ()
103. else:
104. processors = tuple(processors)
105. for processor in get_standard_processors() + processors:
106. self.update(processor(request)) ...
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