Updated by Lilian Besson (Naereen) 2017-06-23

File drunk-python.py Modified

+# See https://nbviewer.jupyter.org/github/Naereen/notebooks/blob/master/Living_in_a_noisy_world_with_James_Powell_rwatch_module.ipynb

 # Install it from https://github.com/dutc/rwatch

 import rwatch

 from sys import setrwatch, getrwatch

Created by Lilian Besson (Naereen) 2017-06-23

View revision

File demo.txt Added

+Warning: your Python intepreter is now drunk, every number it sees are noisy...

+Use 'setrwatch({})' to disable it.

+In [2]: 0

+Out[2]: 10.7445342051449549

+In [3]: 1

+Out[3]: -0.35048804156890245

+In [4]: 1 / 0

+Out[4]: -2.546899181270205

+# Install it from https://github.com/dutc/rwatch

+import rwatch

+from sys import setrwatch, getrwatch

+setrwatch({})  # clean any previously installed rwatch

+import numpy as np

+from collections import defaultdict

+from inspect import getframeinfo

+from numbers import Number

+def add_white_noise_to_every_numbers(frame, obj):

+    if isinstance(obj, Number):

+        info = getframeinfo(frame)

+        if '<stdin>' in info.filename or '<ipython-' in info.filename:

+            return obj + np.random.normal()

+    return obj

+print("Warning: your Python intepreter is now drunk, every number it sees are noisy...")

+print("Use 'setrwatch({})' to disable it.")

+setrwatch(defaultdict(lambda: add_white_noise_to_every_numbers))

+# That's it, your interpreter is now drunk!