Code render glitch when navigating history in Terminal #226988
Description
Type: Bug
Behaviour
Using arrows to navigate history in a Terminal breaks the code rendering. This happens in interactive Python that is launched using shift + enter on highlighted code.
I've noticed that this issue only happens if the $PYTHONSTARTUP variable is set to pythonrc.py. Unsetting this variable launches a well-behaved Python session.
Steps to reproduce:
- Send code to Terminal using shift + enter.
- Navigate to the Terminal.
- Press up arrow to navigate to previous command in history.
- Observe that code rendering has broken.
Diagnostic data
Output for Python in the Output panel (View→Output, change the drop-down the upper-right of the Output panel to Python)
2024-08-26 12:06:00.971 [info] > /opt/homebrew/bin/python3 ~/.vscode/extensions/ms-python.python-2024.12.3-darwin-arm64/python_files/normalizeSelection.py
2024-08-26 12:06:01.132 [info] > pixi info --json
2024-08-26 12:06:01.132 [info] cwd: /
2024-08-26 12:06:01.168 [warning] failed to determine pixi project information for the interpreter at /opt/homebrew/bin/python3
2024-08-26 12:06:01.169 [info] Send text to terminal: /opt/homebrew/bin/python3
2024-08-26 12:06:01.264 [info] Send text to terminal: print("Hello world") # First print "Hello world"
2024-08-26 12:06:03.583 [info] > /opt/homebrew/bin/python3 ~/.vscode/extensions/ms-python.python-2024.12.3-darwin-arm64/python_files/normalizeSelection.py
2024-08-26 12:06:03.627 [info] Send text to terminal: print("Goodbye world") # Then print "Goodbye world"
Extension version: 2024.12.3
VS Code version: Code 1.92.2 (Universal) (fee1edb, 2024-08-14T17:29:30.058Z)
OS version: Darwin arm64 23.6.0
Modes:
- Python version (& distribution if applicable, e.g. Anaconda): 3.12.5
- Type of virtual environment used (e.g. conda, venv, virtualenv, etc.): Global
- Value of the
python.languageServersetting: Default
User Settings
languageServer: "Pylance"
experiments
• enabled: false
Installed Extensions
| Extension Name | Extension Id | Version |
|---|---|---|
| Black Formatter | ms-python.black-formatter | 2024.2.0 |
| GitHub Copilot | GitHub.copilot | 1.223.0 |
| GitHub Copilot Chat | GitHub.copilot-chat | 0.18.2 |
| JavaScript Debugger | ms-vscode.js-debug | 1.92.0 |
| JavaScript Debugger Companion Extension | ms-vscode.js-debug-companion | 1.1.3 |
| Jupyter | ms-toolsai.jupyter | 2024.7.0 |
| Jupyter Cell Tags | ms-toolsai.vscode-jupyter-cell-tags | 0.1.9 |
| Jupyter Keymap | ms-toolsai.jupyter-keymap | 1.1.2 |
| Jupyter Notebook Renderers | ms-toolsai.jupyter-renderers | 1.0.19 |
| Jupyter Slide Show | ms-toolsai.vscode-jupyter-slideshow | 0.1.6 |
| LaTeX Workshop | James-Yu.latex-workshop | 10.1.0 |
| Pylance | ms-python.vscode-pylance | 2024.8.1 |
| Python | ms-python.python | 2024.12.3 |
| Python Debugger | ms-python.debugpy | 2024.10.0 |
| Table Visualizer for JavaScript Profiles | ms-vscode.vscode-js-profile-table | 1.0.9 |
System Info
| Item | Value |
|---|---|
| CPUs | Apple M2 (8 x 2400) |
| GPU Status | 2d_canvas: enabled canvas_oop_rasterization: enabled_on 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: disabled_off video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off |
| Load (avg) | 2, 3, 3 |
| Memory (System) | 24.00GB (0.05GB free) |
| Process Argv | --crash-reporter-id 043b3377-a518-47cc-bab5-dec640206c2f |
| Screen Reader | no |
| VM | 0% |
A/B Experiments
vsliv368cf:30146710
vspor879:30202332
vspor708:30202333
vspor363:30204092
vscod805cf:30301675
binariesv615:30325510
vsaa593:30376534
py29gd2263:31024239
c4g48928:30535728
azure-dev_surveyonecf:30548226
962ge761:30959799
pythongtdpath:30769146
welcomedialogc:30910334
pythonnoceb:30805159
asynctok:30898717
pythonregdiag2:30936856
pythonmypyd1:30879173
h48ei257:31000450
pythontbext0:30879054
accentitlementsc:30995553
dsvsc016:30899300
dsvsc017:30899301
dsvsc018:30899302
cppperfnew:31000557
dsvsc020:30976470
pythonait:31006305
dsvsc021:30996838
01bff139:31013167
pythoncenvpt:31062603
a69g1124:31058053
dvdeprecation:31068756
dwnewjupytercf:31046870
2f103344:31071589
impr_priority:31102340
refactort:31108082
pythonrstrctxt:31112756
flighttreat:31119336
wkspc-onlycs-c:31111717
wkspc-ranged-c:31123312
ei213698:31121563