Running a file will not correctly escape the filename #25508
Description
Type: Bug
Behaviour
The python extension does not properly escape filenames when passing them as arguments to the python interpreter when you run them. This fails when you use quotes in a filename.
I understand that modules should not have quotes in the name, but there seems to be no such limitation on filenames passed to the python interpreter, so in my opinion this is a bug in the extension. In any case validating the module name should be up to Python, not the extension.
I saw this behaviour both on Mac OS and Windows+WSL.
Steps to reproduce:
Create a filename with quotes in it, e.g. "test".py
Run it using the Python extension.
This will fail:
python: can't open file '/Users/reindert/demo/test.py': [Errno 2] No such file or directoryExtension version: 2025.14.0
VS Code version: Code 1.104.3 (Universal) (385651c938df8a906869babee516bffd0ddb9829, 2025-10-02T12:30:51.747Z)
OS version: Darwin arm64 24.3.0
Modes:
- Python version (& distribution if applicable, e.g. Anaconda): 3.9.6
- Type of virtual environment used (e.g. conda, venv, virtualenv, etc.): PipEnv
- Value of the
python.languageServersetting: Default
User Settings
languageServer: "Pylance"
Installed Extensions
| Extension Name | Extension Id | Version |
|---|---|---|
| ansible | red | 25.9.0 |
| copilot | Git | 1.372.0 |
| copilot-chat | Git | 0.31.4 |
| debugpy | ms- | 2025.10.0 |
| js-debug | ms- | 1.104.0 |
| js-debug-companion | ms- | 1.1.3 |
| jupyter | ms- | 2025.8.0 |
| jupyter-keymap | ms- | 1.1.2 |
| jupyter-renderers | ms- | 1.3.0 |
| mypy-type-checker | ms- | 2025.2.0 |
| python | ms- | 2025.14.0 |
| ruff | cha | 2025.26.0 |
| vscode-containers | ms- | 2.2.0 |
| vscode-js-profile-table | ms- | 1.0.10 |
| vscode-jupyter-cell-tags | ms- | 0.1.9 |
| vscode-jupyter-slideshow | ms- | 0.1.6 |
| vscode-pylance | ms- | 2025.8.3 |
| vscode-python-envs | ms- | 1.8.0 |
| vscode-yaml | red | 1.19.0 |
System Info
| Item | Value |
|---|---|
| CPUs | Apple M4 (10 x 2400) |
| GPU Status | 2d_canvas: enabled direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_graphite: enabled_on trees_in_viz: disabled_off video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off |
| Load (avg) | 3, 2, 2 |
| Memory (System) | 16.00GB (0.06GB free) |
| Process Argv | --crash-reporter-id 92110737-0b4d-4d75-9862-eb1d81e07ab5 |
| Screen Reader | no |
| VM | 0% |
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pythonrdcb7:31342333
usemplatestapi:31297334
6518g693:31334701
aj953862:31281341
cs4_fixed:31391938
nes-set-on:31351930
testaa123:31335226
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gendocstringt:31395207
0574c672:31362109
cloudbuttont:31379625
todos-0:31390406
multireplacestring:31393295
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auto_model_enabled:31385282
use-responses-api:31390855
bd6f95_c:31397101