timer.py

from functools import wraps
import time
import inspect

def timing(f):
    @wraps(f)
    def wrapper(*args, **kwargs):
        module = inspect.getmodule(f).__name__
        start = time.time()
        result = f(*args, **kwargs)
        end = time.time()
        elapsed = str(round(end - start, 4))
        print('Elapsed time: {}.{} {} seconds'.format(module, f.__name__, elapsed))
        return result
    return wrapper

@timing
def do_calc():
  time.sleep(1)
  print('slept')

do_calc()
# slept
# Elapsed time: __main__.do_calc 1.0004 seconds