#Author:  Keven Dangoor
#Project: TurboGears
#File:  util.py

def copy_if_mutable(value, feedback=False):
  if isinstance(value, dict):
    mutable = True
    value = value.copy()
   elif isinstance(value, list):
     mutable = True
     value = value[:]
   else:
     mutable = False
   if feedback:
     return (value, mutable)
   else:
     return value