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Certainly! Setting sys.excepthook to invoke the Python Debugger (pdb) globally allows you to automatically drop into the debugger whenever an unhandled exception occurs in your Python program. This can be extremely helpful for debugging and understanding the root cause of issues. Here's a step-by-step tutorial with a code example:
Create a function that will be used as the custom exception handler. This function will invoke the Python Debugger (pdb) and print information about the exception.
Now, set the sys.excepthook to your custom excepthook function.
Create a simple Python script with intentional errors to see how the custom excepthook function works:
Execute the script, and you will see that the custom excepthook function is triggered, and you will be dropped into the pdb debugger.
You'll see an output similar to:
Now, you are inside the pdb debugger. Use pdb commands to inspect variables, navigate through the stack trace, and understand the state of your program.
For example, type q to quit the debugger, or type c to continue execution until the next exception.
That's it! You've successfully set up sys.excepthook to invoke the Python Debugger (pdb) globally in your Python script. This can be a powerful tool for debugging and understanding unexpected exceptions in your code.
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