Python debugger changes __file__

launch.json 構成と script.py、script2.py を使用して動作を再現し、F5 と Ctrl-F5、および相対プログラムパスと絶対プログラムパスを比較します。デバッガーがターゲットとサブプロセスをどのように起動するかを追跡し、その後、どちらの場合も file が期待される絶対パスの動作と一致することを確認します。

Type: Bug

Behaviour

Steps to reproduce:

1. Make launch.json be like

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Python: Current File",
            "type": "python",
            "request": "launch",
            "program": "script.py",
            "cwd": "<the parent directory of srcipt.py>"
            "console": "integratedTerminal",
            "justMyCode": true,
        }
    ]
}

and script.py be

print(__file__)

2. When I run the script.py with debugger (by F5) the __file__ is "script.py".
   When I run the script.py without debugger (by ctrl-F5) the __file__ is the absolute path of script.py.

According to https://stackoverflow.com/questions/7116889/is-module-file-attribute-absolute-or-relative, __file__ should be absolute path, because my python version is 3.10.

This happens when "program" of launch.json is relative path.
When "program" is absolute path, the launched script.py's __file__ is absolute path, but if I call subprocess.run(["python", "script2.py"]) in script.py, called script2.py's __file__ becomes "script2.py"

Diagnostic data

• Python version (& distribution if applicable, e.g. Anaconda): 3.10.12
• Type of virtual environment used (e.g. conda, venv, virtualenv, etc.): Global
• Value of the python.languageServer setting: Pylance

XXX

languageServer: "Pylance"

Extension version: 2023.22.1
VS Code version: Code 1.85.2 (8b3775030ed1a69b13e4f4c628c612102e30a681, 2024-01-18T06:40:10.514Z)
OS version: Windows_NT x64 10.0.19045
Modes:
Remote OS version: Linux x64 5.15.133.1-microsoft-standard-WSL2
Remote OS version: Linux x64 5.15.133.1-microsoft-standard-WSL2

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