When debugging Python code in Visual Studio Code (VS Code) and want to view the full call stack, the process mainly involves configuring your launch.json file and using the VS Code Debug Console effectively.

1. Open the Run and Debug Panel

   • Click on the Run and Debug icon on the left sidebar or press Ctrl + Shift + D.

   • Select “create a launch.json file” if you don’t already have one.

2. Edit Your launch.json
   Add or modify your configuration like this:

   {
       "version": "0.2.0",
       "configurations": [
           {
               "name": "Python: Current File",
               "type": "python",
               "request": "launch",
               "program": "${file}",
               "console": "integratedTerminal",
               "justMyCode": false
           }
       ]
   }
   
   

3. Setting "justMyCode": false ensures that VS Code displays the full call stack, including library and framework code — not just your own Python files.

   Viewing the Full Stack Trace

   • When an error or exception occurs, open the CALL STACK panel (right side of the Debug view).

   • It will list all function calls leading to the current point, from external libraries to your script.

   • You can click any frame in the stack to view the exact line of code that was executed.

   For unhandled exceptions or runtime errors, the Debug Console or Terminal will also display a full traceback:

   Traceback (most recent call last):
     File "main.py", line 20, in <module>
       run_app()
     File "app.py", line 12, in run_app
       start_server()
     ...
   Exception: Something went wrong
   

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