Python Pdb Cheat Sheet

A cheatsheet for the Python Debugger (pdb) You may download a PDF or PNG version of the cheatsheet from the pdb-cheatsheet releases page. The walrus operator¶. New in Python 3.8. PEP 572 - Assignment Expressions. The goal of the walrus operator is to assign variables within an expression. After completing PEP 572, Guido van Rossum, commonly known as BDFL, decided to resign as a Python dictator. Python Debugger Enjoy this cheat sheet at its fullest within Dash, Start pdb inside a python script. Python -m pdb Start pdb from the command line. Stepping through a python script The typical usage The buttons you’ll see in this lesson allow you to debug and run a script step by step in order to see what’s happening. Pdb cheatsheet Invoking the debugger Enter at the start of a program, from the command line: python –m pdb mycode.py Enter in a statement or function: import pdb # your code here if name 'main': # start debugger at the beginning of a function pdb.runcall(function, argument.) # execute an expression (string) under the debugger.

Anaconda¶

  • Anaconda Cheat Sheet. PDF only.
  • Conda Cheat Sheet. PDF.


Jupyter Notebook¶

  • Jupyter Notebook. PDF.

Python Pdb Cheat Sheet

  • Jupyter Notebook. PDF

Objects¶

Find, list, search, reset.

Logging¶

Start, state, on, off.

Python 3 Pdb Cheat Sheet

Magic & Help¶

List, help.

Open a window about magic commands.

Open a window about the command (minimum, maximum help).

Function¶

docstrings, info, source.

Open a window about the docstrings.

Open a window about the function.

Navigation¶

Bookmark, history.

Add a bookmark.

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Python Pdb Commands

Delete a bookmark.

Print the directory navigation history.

Python pdb example

External¶

Bash, script.

The following is an example of one bash command.

Invoke an external script into IPython.

Python Pdb Cheat Sheet

Invoke an external script into IPython and open a window about the script’s profile.

Python Pdf Cheat Sheet

Load the external script into IPython (loadprint_text.py turns into #%loadprint_text.py).