def requires_permission(permission_s, logical_operator=all):
        """
        Requires that the calling Subject be authorized to the extent that is
        required to satisfy the permission_s specified and the logical operation
        upon them.

        :param permission_s:   the permission(s) required
        :type permission_s:  a List of Strings or List of Permission instances

        :param logical_operator:  indicates whether all or at least one permission
                                  is true (and, any)
        :type: and OR all (from python standard library)

        :raises  AuthorizationException:  if the user does not have sufficient
                                          permission

        Elaborate Example:
            requires_permission(
                permission_s=['domain1:action1,action2', 'domain2:action1'],
                logical_operator=any)

        Basic Example:
            requires_permission(['domain1:action1,action2'])
        """
        def outer_wrap(fn):
            @functools.wraps(fn)
            def inner_wrap(*args, **kwargs):

                subject = Yosai.get_current_subject()
                subject.check_permission(permission_s, logical_operator)

                return fn(*args, **kwargs)
            return inner_wrap
        return outer_wrap
Requires that the calling Subject be authorized to the extent that is
        required to satisfy the permission_s specified and the logical operation
        upon them.

        :param permission_s:   the permission(s) required
        :type permission_s:  a List of Strings or List of Permission instances

        :param logical_operator:  indicates whether all or at least one permission
                                  is true (and, any)
        :type: and OR all (from python standard library)

        :raises  AuthorizationException:  if the user does not have sufficient
                                          permission

        Elaborate Example:
            requires_permission(
                permission_s=['domain1:action1,action2', 'domain2:action1'],
                logical_operator=any)

        Basic Example:
            requires_permission(['domain1:action1,action2'])