use_speedups_if_available

gistfile1.py

def use_speedups_if_available(original, module_name, func_name):
    try:
        mod = __import__(module_name, fromlist=[func_name])  
        return getattr(mod, func_name), original
    except ImportError:
        return original, original


# ------------- Example usage ------------
def foo():
  # ... pure-Python version
  
foo, _foo_orig = use_speedups_if_available(foo, 'nltk_speed.subpackage', 'foo')


# ----------------------------------------