Remove getCallback indirection in modules
Instead, assume that the imported module contains the Callback class
that was previously returned by getCallback. This is done to prevent
a circular import (caused by the __init__ importing a submodule).
"""
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"