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Debugger: setting "justMyCode": false does not work in a Python 3.10 venv #139
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Description
Type: Bug
Behaviour
Expected vs. Actual
Expected: setting "justMyCode": false within the autogenerated launch.json file should allow the debugger to step through imported code.
Actual: setting "justMyCode": false within the autogenerated launch.json file results in the same "frame skipped" message that says to set "justMyCode": false within the autogenerated launch.json file.
Steps to reproduce:
- Create and use a python venv.
- Install a package via pip.
- Create a script, importing that package and calling a function from it.
- Debug and try to step into the package function call.
- See the "frame was skipped" message and set the "justMyCode" option to false in the launch.json file.
- See the "frame was skipped" message anyway because setting "justMyCode" to false does not work.
Diagnostic data
- Python version (& distribution if applicable, e.g. Anaconda): 3.10.12
- Type of virtual environment used (e.g. conda, venv, virtualenv, etc.): Venv
- Value of the
python.languageServersetting: Default
Output for Python in the Output panel (View→Output, change the drop-down the upper-right of the Output panel to Python)
2023-08-13 23:50:01.241 [info] Experiment 'pythonPromptNewFormatterExt' is active
2023-08-13 23:50:01.241 [info] Experiment 'pythonPromptNewToolsExt' is active
2023-08-13 23:50:01.241 [info] Experiment 'pythonSurveyNotificationcf' is active
2023-08-13 23:50:01.241 [info] Experiment 'pythonTestAdapter' is active
2023-08-13 23:50:01.241 [info] VS Code was launched from an activated environment: 'venv2', selecting it as the interpreter for workspace.
2023-08-13 23:50:01.241 [info] Test server listening.
2023-08-13 23:50:01.318 [warning] Retry failed, storage update failed for key PYTHON_GLOBAL_STORAGE_KEYS
2023-08-13 23:50:01.318 [warning] Retry failed, storage update failed for key PYTHON_WORKSPACE_STORAGE_KEYS
2023-08-13 23:50:01.318 [warning] Retry failed, storage update failed for key PYTHON_WORKSPACE_STORAGE_KEYS
2023-08-13 23:50:01.363 [info] > conda info --json
2023-08-13 23:50:01.412 [info] > ./venv2/bin/python -I ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/get_output_via_markers.py ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/interpreterInfo.py
2023-08-13 23:50:01.433 [info] > ./venv/bin/python -I ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/get_output_via_markers.py ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/interpreterInfo.py
2023-08-13 23:50:01.461 [info] Python interpreter path: ./venv2/bin/python
2023-08-13 23:50:01.532 [info] > . ./venv2/bin/activate && echo 'e8b39361-0157-4923-80e1-22d70d46dee6' && python ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/printEnvVariables.py
2023-08-13 23:50:01.532 [info] shell: bash
2023-08-13 23:50:01.533 [warning] Retry failed, storage update failed for key PYTHON_ENV_INFO_CACHE
2023-08-13 23:50:01.535 [warning] Retry failed, storage update failed for key PYTHON_ENV_INFO_CACHE
2023-08-13 23:50:01.535 [warning] Retry failed, storage update failed for key PYTHON_ENV_INFO_CACHE
2023-08-13 23:50:01.535 [warning] Retry failed, storage update failed for key PYTHON_ENV_INFO_CACHE
2023-08-13 23:50:01.535 [warning] Retry failed, storage update failed for key PYTHON_ENV_INFO_CACHE
2023-08-13 23:50:02.211 [warning] Retry failed, storage update failed for key PYTHON_ENV_INFO_CACHE
2023-08-13 23:50:02.230 [warning] Retry failed, storage update failed for key PYTHON_ENV_INFO_CACHE
2023-08-13 23:50:03.323 [info] Starting Pylance language server.
2023-08-13 23:50:17.132 [info] Discover tests for workspace name: tapescript-maths - uri: /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-13 23:50:32.923 [info] Using launch configuration in workspace folder.
2023-08-13 23:50:33.155 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-13 23:50:33.320 [info] Send text to terminal: source /home/usernameredacted/temp/tapescript-maths/venv2/bin/activate
2023-08-13 23:50:34.589 [info] Send text to terminal: /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 33839 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-13 23:51:41.276 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-13 23:51:41.348 [info] Send text to terminal: cd /home/usernameredacted/temp/tapescript-maths ; /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 49003 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-13 23:52:00.391 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-13 23:52:00.493 [info] Send text to terminal: cd /home/usernameredacted/temp/tapescript-maths ; /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 56031 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-13 23:53:53.332 [info] Using launch configuration in launch.json file.
2023-08-13 23:53:53.533 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-13 23:53:53.609 [info] Send text to terminal: cd /home/usernameredacted/temp/tapescript-maths ; /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 54021 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-13 23:55:06.904 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-13 23:55:06.995 [info] Send text to terminal: cd /home/usernameredacted/temp/tapescript-maths ; /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 55607 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-13 23:56:19.203 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-13 23:56:19.292 [info] Send text to terminal: cd /home/usernameredacted/temp/tapescript-maths ; /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 37621 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-13 23:56:29.977 [info] Using launch configuration in launch.json file.
2023-08-13 23:56:30.152 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-13 23:56:30.421 [info] Send text to terminal: source /home/usernameredacted/temp/tapescript-maths/venv2/bin/activate
2023-08-13 23:56:31.443 [info] Send text to terminal: /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 39985 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-13 23:56:48.421 [info] Using launch configuration in launch.json file.
2023-08-13 23:56:48.606 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-13 23:56:48.680 [info] Send text to terminal: cd /home/usernameredacted/temp/tapescript-maths ; /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 46123 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-13 23:57:23.368 [info] Using launch configuration in launch.json file.
2023-08-13 23:57:23.581 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-13 23:57:23.653 [info] Send text to terminal: cd /home/usernameredacted/temp/tapescript-maths ; /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 40395 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-13 23:57:53.293 [info] Using launch configuration in launch.json file.
2023-08-13 23:57:53.487 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-13 23:57:53.562 [info] Send text to terminal: cd /home/usernameredacted/temp/tapescript-maths ; /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 41769 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-13 23:59:19.054 [info] Using launch configuration in launch.json file.
2023-08-13 23:59:19.238 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-13 23:59:19.309 [info] Send text to terminal: cd /home/usernameredacted/temp/tapescript-maths ; /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 34801 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-14 00:06:03.514 [info] Found: /bin/python --> /bin/python
2023-08-14 00:06:03.515 [info] Found: /bin/python3 --> /bin/python3.10
2023-08-14 00:06:03.515 [info] Found: /bin/python3.10 --> /bin/python3.10
2023-08-14 00:06:03.515 [info] Found: /bin/python3.11 --> /bin/python3.11
2023-08-14 00:06:03.543 [info] Found: /usr/bin/python --> /usr/bin/python
2023-08-14 00:06:03.543 [info] Found: /usr/bin/python3 --> /usr/bin/python3.10
2023-08-14 00:06:03.543 [info] Found: /usr/bin/python3.10 --> /usr/bin/python3.10
2023-08-14 00:06:03.543 [info] Found: /usr/bin/python3.11 --> /usr/bin/python3.11
2023-08-14 00:06:03.566 [info] Found: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python --> /usr/bin/python3.10
2023-08-14 00:06:03.567 [info] Found: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python3 --> /usr/bin/python3.10
2023-08-14 00:06:03.568 [info] Found: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python3.10 --> /usr/bin/python3.10
2023-08-14 00:06:03.586 [info] > /bin/python -I ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/get_output_via_markers.py ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/interpreterInfo.py
2023-08-14 00:06:03.606 [info] > /bin/python3 -I ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/get_output_via_markers.py ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/interpreterInfo.py
2023-08-14 00:06:03.639 [info] > /bin/python3.11 -I ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/get_output_via_markers.py ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/interpreterInfo.py
2023-08-14 00:06:03.693 [info] > /usr/bin/python -I ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/get_output_via_markers.py ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/interpreterInfo.py
2023-08-14 00:06:03.762 [info] > /usr/bin/python3 -I ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/get_output_via_markers.py ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/interpreterInfo.py
2023-08-14 00:06:03.791 [info] > /usr/bin/python3.11 -I ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/get_output_via_markers.py ~/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/interpreterInfo.py
2023-08-14 00:06:21.554 [info] Discover tests for workspace name: tapescript-maths - uri: /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-14 00:06:35.127 [info] Using launch configuration in launch.json file.
2023-08-14 00:06:35.318 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-14 00:06:35.571 [info] Send text to terminal: source /home/usernameredacted/temp/tapescript-maths/venv2/bin/activate
2023-08-14 00:06:36.593 [info] Send text to terminal: /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 52509 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-14 00:07:02.967 [info] Using launch configuration in launch.json file.
2023-08-14 00:07:03.150 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-14 00:07:03.368 [info] Send text to terminal: source /home/usernameredacted/temp/tapescript-maths/venv2/bin/activate
2023-08-14 00:07:04.393 [info] Send text to terminal: /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 48405 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-14 00:12:22.084 [info] Using launch configuration in launch.json file.
2023-08-14 00:12:22.265 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-14 00:12:22.521 [info] Send text to terminal: source /home/usernameredacted/temp/tapescript-maths/venv2/bin/activate
2023-08-14 00:12:23.543 [info] Send text to terminal: /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 57813 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-14 00:13:02.369 [info] Using launch configuration in launch.json file.
2023-08-14 00:13:02.562 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-14 00:13:02.635 [info] Send text to terminal: cd /home/usernameredacted/temp/tapescript-maths ; /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 59641 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-14 00:13:31.161 [info] Using launch configuration in launch.json file.
2023-08-14 00:13:31.334 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-14 00:13:31.406 [info] Send text to terminal: cd /home/usernameredacted/temp/tapescript-maths ; /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 41041 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-14 00:14:53.488 [info] Using launch configuration in launch.json file.
2023-08-14 00:14:53.672 [info] DAP Server launched with command: /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter
2023-08-14 00:14:53.747 [info] Send text to terminal: cd /home/usernameredacted/temp/tapescript-maths ; /usr/bin/env /home/usernameredacted/temp/tapescript-maths/venv2/bin/python /home/usernameredacted/.vscode/extensions/ms-python.python-2023.14.0/pythonFiles/lib/python/debugpy/adapter/../../debugpy/launcher 60763 -- /home/usernameredacted/temp/tapescript-maths/run.py
2023-08-14 10:08:31.728 [info] Send text to terminal: source /home/usernameredacted/temp/tapescript-maths/venv2/bin/activate
2023-08-14 12:01:36.582 [info] Discover tests for workspace name: tapescript-maths - uri: /home/usernameredacted/temp/tapescript-maths/venv2/lib/python3.10/site-packages/~apescript/interfaces.py
User Settings
languageServer: "Pylance"
Extension version: 2023.14.0
VS Code version: Code 1.81.1 (6c3e3dba23e8fadc360aed75ce363ba185c49794, 2023-08-09T22:18:39.991Z)
OS version: Linux x64 6.2.0-26-generic snap
Modes:
System Info
| Item | Value |
|---|---|
| CPUs | Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz (8 x 3051) |
| GPU Status | 2d_canvas: unavailable_software canvas_oop_rasterization: disabled_off direct_rendering_display_compositor: disabled_off_ok gpu_compositing: disabled_software multiple_raster_threads: enabled_on opengl: disabled_off rasterization: disabled_software raw_draw: disabled_off_ok video_decode: disabled_software video_encode: disabled_software vulkan: disabled_off webgl: unavailable_software webgl2: unavailable_software webgpu: disabled_off |
| Load (avg) | 0, 1, 1 |
| Memory (System) | 31.20GB (25.15GB free) |
| Process Argv | --no-sandbox --force-user-env --unity-launch --crash-reporter-id 8288fe70-1d22-4ecb-a399-2ca5eb4778fd |
| Screen Reader | no |
| VM | 0% |
| DESKTOP_SESSION | ubuntu |
| XDG_CURRENT_DESKTOP | Unity |
| XDG_SESSION_DESKTOP | ubuntu |
| XDG_SESSION_TYPE | wayland |
A/B Experiments
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k98kurz commentedon Aug 14, 2023
It it possible to get it to work by also adding
"purpose": ["debug-in-terminal"], but since following the directions in the message did not work and this necessary part of the launch.json file was not included, it is still a bug that needs to be fixed: make the debugger work with the instructions provided to the user; or change how the launch.json file is autogenerated to work with the instructions provided to the user; or include an additional instruction to include the"purpose": ["debug-in-terminal"]in the "frame skipped" message. Whichever of the three can be done ought to be done, because the current behavior is obviously incorrect.karthiknadig commentedon Aug 15, 2023
Can you clarify where you are triggering this from? You can trigger debugging for 3 possible locations. The instructions vary based on which one you used. There is the button in the debug view, then there is "debug-in-terminal" button at the top of the open python file, then there is the debug menu item.
The debugger itself does not know how this was triggered, so the message generated only suggests a setting that it understands. For the
debug-in-terminalcase the settings are generated on the fly, if there isn't already a setting in the launch.json for this purpose (i.e., using the purpose flag).The following feature should address this as it aims to provide a dedicated solution enabling
justMyCodefor all scenarios #116k98kurz commentedon Aug 15, 2023
The debug button on the top right, next to the split panel button. The other two methods ("Python: Current file" in debug panel and
Run > Start Debuggingmenu item) work as expected.tboddyspargo commentedon Nov 8, 2023
I wanted to chime in to say that I have been experiencing something similar on
v2023.18.0andv2023.20.0. It's been difficult to feel confident in what I'm experiencing and I'm afraid I still don't have a reliable minimal erpro, but my experience is basically:Given the setup steps mentioned by Jon Tyler (@k98kurz).
Debug Python Fileoption with config settingjustMyCode = falseDebug Python Fileagain, it behaves as thoughjustMyCode = trueAs a workaround, I have to restart VSCode constantly to make sure I can retain the ability to step into 3rd party code.
Apologies for not having a reliable repro a bit more fully formed. My hope is that the anecdote above will either be enough for a reproduction, or enough to know where to look for a likely cause in the code.
tboddyspargo commentedon Nov 8, 2023
Quick update to say that I've also experienced this same "it works the first time and then doesn't work any subsequent times" using the Testing Explorer
Debug Testoption. In the situation I just encountered, my test does trigger a segmentation fault, although I'm not sure that's necessary for the reproduction.paulacamargo25 commentedon Nov 21, 2023
When you trigger
Debug Python FileIt only runs a launch config that have the"purpose": "debug-in-terminal". If not it doesn't use the launch.json file and returns a basic config. So if you want to use a specific config with this value, you need to add "purpose": "debug-in-terminal" to the specific configuration.This issue can also be related to #137. Here you will be able to run the config that you want with this button.
4 remaining items
tboddyspargo commentedon Nov 21, 2023
In my reproductions with both
Debug Python FileandDebug Test, thepurposefield is populated withdebug-in-terminalanddebug-testrespectively. From what I'm seeing,justMyCode = falseis lost after the first debug session is terminated. Restarting VSCode "resets" the usage counter, but it still reverts back tojustMyCode = truebehavior after one debug session has completed.I'll test again once #138 merges to see if it's still reproducible and open a new issue if it is (to make sure the impact and repro are super clear). Thanks!
brian316 commentedon May 3, 2024
my configuration. adding
justMyCodefails with exception. works perfectly fine withoutjustMyCodebut i want to put breakpoints in virtualenv librariessmasyutin commentedon May 9, 2024
I get the same as Brian Duenas (@brian316) with config (almost) from https://code.visualstudio.com/docs/python/testing#_debug-tests
brian316 commentedon May 11, 2024
Serhiy Masyutin (@smasyutin)

I got it to work by removing these breakpoints in the debugger. when they are enabled on start it fails, but you can add them back after it has started
jeskowagner commentedon Jun 27, 2024
Faced the same issue as Brian Duenas (@brian316), disabling the mentioned breakpoints fortunately fixes it for me too. Thanks for posting that workaround!
sebgab commentedon Jul 12, 2024
Disabling the breakpoints mentioned by Brian Duenas (@brian316) worked for me as well. Thank you for the workaround!
No change to my launch.json required.
Some info about my issue.
Everything was working fine until it stopped working for seemingly no reason sometime this week.
I was using a python 3.10.10 venv, which I later upgraded to a python 3.12.4 venv on a Windows 11 computer.
Some info about the error messages I was getting:
The error I was getting with Python 3.12 was:
[WinError 3] The system cannot find the path specified: '<PYTHON INSTALL DIR>\site-packages'With Python 3.10 the error was:
[WinError 2] The system cannot find the file specified: '<PYTHON INSTALL DIR>\\python310.zip'It is worth noting that Python 3.10 was installed globally, and Python 3.12 was installed to my user account.
ChihchengHsieh commentedon Aug 20, 2024
It's weird that Brian Duenas (@brian316) 's method actually works without the need to touch launch.json at all.
tboddyspargo commentedon Aug 22, 2024
I'm not having much luck with matching my breakpoint settings to those in #139 (comment). I'm in a multi-root/folder workspace and I've been suspicious that that may affect this behavior (perhaps due to the extension not mapping the virtual environment files correctly from the workspaceFolder relative path to the
debugpycontext?).tboddyspargo commentedon Aug 22, 2024
UPDATE: I just tried setting
debugpy.debugJustMyCodetofalsein one or both of my User and Workspace settings files and it has allowed be to step into library code without worrying about Brian Duenas (@brian316)'s breakpoint suggestion.I had always been relying on the launch-configuration-level setting of
justMyCodebeing set tofalseto be sufficient. Is the extension perhaps not merging the different levels of configs as expected and leading to the defaultdebugpy.debugJustMyCodeto trump the launch-configuration-leveljustMyCodewhen specified in.code-workspacefiles?ArthurHNL commentedon Sep 23, 2024
Just ran into this issue, I still can't launch with breakpoints enabled as indicated by Brian Duenas (@brian316). Could it be worthwhile to reopen this issue?
Real-Gecko commentedon Nov 1, 2024
Have the same issue with Python 3.12 while running tests:
VSCode: 1.95.1
Pylance: v2024.10.1
Extension: v2024.12.0
Might be related to microsoft/vscode-python#21249
mikem-coalesce commentedon Jul 11, 2025
just piling on, this is the only way I could get breakpoints to work on packages installed in my venv in VSCode with debugpy