from time import time, process_time, strftime, localtime

from datetime import timedelta

def time_to_str(elapsed=None):

if elapsed is None:

return strftime("%Y-%m-%d %H:%M:%S", localtime())

else:

return str(timedelta(seconds=elapsed))

class EvaluationLog():

def start_log(self, s="Start Program"):

self.start = time()

self.cpu_start = process_time()

self.log(s)

def end_log(self, s="End Program"):

self.end = time()

self.cpu_end = process_time()

elapsed_time = self.end - self.start

cpu_time = self.cpu_end - self.cpu_start

self.log(s, time_to_str(elapsed_time), time_to_str(cpu_time))

@staticmethod

def log(s, elapsed_time=None, cpu_time=None):

line = "=" * 40

print(line)

print(time_to_str(), '-', s)

if elapsed_time:

print("Elapsed time:", elapsed_time)

if cpu_time:

print("CPU time:", cpu_time)

print(line)