DevOps Classroom notes 13/Oct/2025

Building CLI Applications

• For CLI Application debugging, lets add arguments as part of debugger (Watch classroom recording)
• vscode launch.json

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Dynamic Arguments",
            "type": "debugpy",
            "request": "launch",
            "program": "${file}",
            "console": "integratedTerminal",
            "args": "${command:pickArgs}"
        },
        {
            "name": "Static Arguments",
            "type": "debugpy",
            "request": "launch",
            "program": "${file}",
            "console": "integratedTerminal",
            "args": [
                "add",
                "1",
                "2"

            ]
        }
    ]
}

• Approach 1: using sys.argv
  • Refer Here
• Approach 2: using argparse
  • Refer Here
  • Refer Here