python101/mastering-python/profiler.py at main · 1995parham-learning/python101 · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
# In The Name Of God
# ========================================
# [] File Name : profiler.py
#
# [] Creation Date : 09-01-2017
#
# [] Created By : Parham Alvani (parham.alvani@gmail.com)
# =======================================
import cProfile
import datetime
import functools


def timer(function):
    @functools.wraps(function)
    def _timer(*args, **kwargs):
        start = datetime.datetime.now()
        try:
            return function(*args, **kwargs)
        finally:
            end = datetime.datetime.now()
            print("%s: %s" % (function.__name__, end - start))

    return _timer


def profiler(function):
    @functools.wraps(function)
    def _profiler(*args, **kwargs):
        profiler = cProfile.Profile()
        try:
            profiler.enable()
            return function(*args, **kwargs)
        finally:
            profiler.disable()
            profiler.print_stats()

    return _profiler


@profiler
def profiled_fibonacci(n):
    return fibonacci(n)


@timer
def timed_fibonacci(n):
    return fibonacci(n)


def fibonacci(n):
    if n < 2:
        return n
    else:
        return fibonacci(n - 1) + fibonacci(n - 2)


if __name__ == "__main__":
    timed_fibonacci(32)
    profiled_fibonacci(32)