Coding⏱️ 2 min read📅 2026-05-31

How to Fix: Starting python debugger automatically on error

Automatically start pdb on error in python

Quick Answer: Use the -m pdb option when running your script, e.g. python -m pdb your_script.py

To automatically start the Python debugger when an error is encountered, you can use a combination of the pdb module and the sys.excepthook function. The pdb module provides an interactive debugger that allows you to step through your code line by line.

💡 Why You Are Getting This Error

  • [Cause]

🔧 Proven Troubleshooting Steps

Method 1: pdb Integration

  1. Step 1: Import the pdb module at the top of your script with `import pdb`.

Method 2: sys.excepthook

  1. Step 1: Define a function that will be called when an exception occurs, using `sys.excepthook = your_function`.

✨ Wrapping Up

By following these steps, you can automatically start the Python debugger when an error is encountered in your script.

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❓ Frequently Asked Questions