My goal: In Pyramid, to call another view-callable, and to get a Response
object back without knowing any details about that view-callable.
In my Pyramid a
Yep. There is some concerns
Thats why you should not call view from view as function, unless you know what you doing
Pyramid creators did awesome tool for server side redirect - http://docs.pylonsproject.org/projects/pyramid/en/latest/narr/subrequest.html