pip install git+https://github.com/dreampuf/profiler.git

import profiler

@profiler.line_profiler
def THE_FUNC_OF_YOU_WANT_PROFILING():
    pass

def test_fun():
    import time
    a = 2**2**16
    b = [{"a": 123}] * 1024 * 1024 * 20
    c = [0] * 1024 * 1024
    del b
    time.sleep(2)

# when you want to profiling it
import profiler
@profiler.line_profiler
def test_fun():
    # ...

# when you run this code, you will get..

Line #      Hits         Time  Per Hit   % Time  Line Contents
==============================================================
    79                                                   def test_fun():
    80         1           26     26.0      0.0              import time
    81         1         1208   1208.0      0.1              a = 2**2**16
    82         1       124101 124101.0      5.7              b = [{"a": 123}] * 1024 * 1024 * 10
    83         1         5086   5086.0      0.2              c = [0] * 1024 * 1024
    84         1        46671  46671.0      2.1              del b
85         1      2001282 2001282.0     91.9              time.sleep(2)