python decorator to time method execution

debug_timing.py

# timing func
import time
import logging
def log_timing(func):
    def inner(*args, **kwargs):
        t1 = time.time()
        res = func(*args, **kwargs)
        t2 = time.time()
        logging.getLogger().debug('%s took %0.3f ms' % (func.func_name, (t2-t1)*1000.0))
        return res
    return inner