通常的方法是：
from pyramid.security import has_permissionhas_permission('view', someresource, request)另请参见http://docs.pylonsproject.org/projects/pyramid/1.0/narr/security.html#debugging-
imperative-authorization-
failures和http://docs.pylonsproject.org/projects/pyramid/1.0/api/
security.html＃pyramid.security.has_permission
