问HTTPForbidden上下文路由未触发

EN

from pyramid.httpexceptions import HTTPForbidden

@view_config(context = HTTPForbidden, renderer="login.mak")
@view_config(route_name = 'login', renderer='login.mak')
class Login(ViewBase):
    def __init__(self, request):
        super(Login, self).__init__(request)
        self.data['title'] = "Login"

        if request.method == 'POST':
            name = request.params['username']
            passwd = request.params['password']
            validuser = User.check(name, passwd)
            if validuser is None:
                self.data['requested_path'] = request.params['requestpath']
                self.__call__()
            else:
                headers = remember(request, str(validuser.id))
                raise HTTPFound(
                    location = request.params['requestpath'],
                    headers = headers
                    )
        else:
            self.data['requested_path'] = request.url

    def __call__(self):
        return self.data

from pyramid.security import Allow
from pyramid.security import Everyone
from pyramid.security import Authenticated
from pyramid.security import ALL_PERMISSIONS

# Handles ACL auth for the entire application

class RootFactory(object):

    __acl__ = [
        (Allow, Everyone, 'view'),
        (Allow, 'Editor', 'edit'),
        (Allow, 'Admin', ALL_PERMISSIONS)
    ]

    def __init__(self, request):
        pass

def groupfinder(userid, request):

    from ctic.models import User

    user = User.get(userid)
    member_groups = []
    if user != None:
        member_groups.append(user.group.groupname)
        return member_groups
    else:
        return None