Properly check if a program is active
Also cleaned up checkIsHost, which got merge-mangled when refactoring
the access module.
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"