Allow for setting a edit_cancel_redirect
Defaults to list view for the entity but can be overriden by setting
the parameter manually. Falls back to history.go(-1) if not set.
Patch by: Sverre Rabbelier
"""
Code used in a couple of places to work with the current thread's environment.
Current users include i18n and request prefix handling.
"""
try:
import threading
currentThread = threading.currentThread
except ImportError:
def currentThread():
return "no threading"