arsenal.debug

Module Contents

arsenal.debug.extract(source=None)

Copies the variables of the caller up to iPython. Useful for debugging.

In a Jupyter notebook, create a cell after an exception has occurred with

%%debug
from arsenal.debug import extract; extract()

Parameters

source – A method or module from which to extract local variables. If not specified the current scope’s locals will be used.

Notes

Taken from Andy Jones’ personal library https://github.com/andyljones/aljpy/blob/master/aljpy/debugging.py All rights go to him.

See also

Andy wrote a blog post explaining how he uses this code: https://andyljones.com/posts/post-mortem-plotting.html

def f():
    x = 'hello world'
    extract()

f() # raises an error

print(x) # prints 'hello world'