PowerShell script debugpy.ps1 incorrectly handles multiple arguments passed as an array

Description:

When using the PowerShell wrapper script debugpy.ps1 to debug a Python script that accepts multiple command-line arguments, the arguments are not properly passed through to the Python script when provided as an array.

Steps to Reproduce:

1. Create a test Python script (test.py):

import sys
print(sys.argv)

2. Create a PowerShell script (run.ps1):

$arg_list = @('arg1', 'arg2')
$file = "test.py"

& python $file $arg_list  # Works correctly
& debugpy $file $arg_list  # Fails - arguments are concatenated

3. Run the PowerShell script:

.\run.ps1

Actual Result:

['test.py', 'arg1', 'arg2']
['test.py', 'arg1 arg2']

Expected Result:

['test.py', 'arg1', 'arg2']
['test.py', 'arg1', 'arg2']

Root Cause:
The current debugpy.ps1 script passes $args directly to the Python command without using splatting (@args). When an array is passed to the script, PowerShell's $args receives it as a single object rather than expanding it into multiple arguments.

Current code:

if ($os -eq [System.PlatformID]::Win32NT) {
    python $env:BUNDLED_DEBUGPY_PATH --listen 0 --wait-for-client $args
} else {
    python3 $env:BUNDLED_DEBUGPY_PATH --listen 0 --wait-for-client $args
}

Proposed Fix:
Use the splatting operator (@args) instead of $args to properly expand array arguments:

if ($os -eq [System.PlatformID]::Win32NT) {
    python $env:BUNDLED_DEBUGPY_PATH --listen 0 --wait-for-client @args
} else {
    python3 $env:BUNDLED_DEBUGPY_PATH --listen 0 --wait-for-client @args
}

Commencez dans le wrapper debugpy.ps1, en vous concentrant sur la manière dont sa liste d’arguments est transmise à la commande Python dans chaque branche de l’OS. Reproduisez le problème avec les scripts fournis run.ps1 et test.py, puis vérifiez que les arguments de type tableau restent séparés et produisent la sortie sys.argv attendue.