Code executed in debug console ignores breakpoints

[sduoduo233]

Type: Bug

Behaviour

Code executed in python debug console does not trigger breakpoints

Steps to reproduce:

1. main.py

import time



def hello():
    print("hello, world")


if __name__ == "__main__":
    hello()
    while True:
        time.sleep(1)

2. Set breakpoint on print("hello, world")

3. launch.json

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [

        {
            "name": "Python Debugger: Current File",
            "type": "debugpy",
            "request": "launch",
            "program": "${file}",
            "console": "integratedTerminal",
        }
    ]
}

4. Start debug, and run the following code in debug console:

import main
main.hello()

5. The breakpoint is not triggered

Diagnostic data

Output for Python in the Output panel (View→Output, change the drop-down the upper-right of the Output panel to Python)

2025-07-22 14:51:48.745 [info] Experiment 'pythonSurveyNotification' is active
2025-07-22 14:51:48.745 [info] Experiment 'pythonTerminalEnvVarActivation' is active
2025-07-22 14:51:48.745 [info] Native locator: Refresh started
2025-07-22 14:51:48.745 [info] Native locator: Refresh started
2025-07-22 14:51:48.745 [info] Native locator: Refresh started
2025-07-22 14:51:49.264 [info] > pyenv which python
2025-07-22 14:51:49.264 [info] cwd: .
2025-07-22 14:51:49.290 [info] > python -c "import sys;print(sys.executable)"
2025-07-22 14:51:49.296 [info] Native locator: Refresh finished in 626 ms
2025-07-22 14:51:49.307 [info] > pyenv which python
2025-07-22 14:51:49.307 [info] cwd: .
2025-07-22 14:51:49.334 [info] Python interpreter path: /bin/python
2025-07-22 14:51:50.360 [info] Starting Pylance language server.
2025-07-22 14:52:09.457 [info] Discover tests for workspace name: dbgtest - uri: /home/duoduo/Documents/a3/dbgtest/main.py
2025-07-22 14:52:12.126 [info] Discover tests for workspace name: dbgtest - uri: /home/duoduo/Documents/a3/dbgtest/main.py
2025-07-22 14:52:32.892 [info] Discover tests for workspace name: dbgtest - uri: /home/duoduo/Documents/a3/dbgtest/main.py
2025-07-22 14:52:37.705 [info] Experiment 'pythonSurveyNotification' is active
2025-07-22 14:52:37.705 [info] Experiment 'pythonTerminalEnvVarActivation' is active
2025-07-22 14:52:37.705 [info] Native locator: Refresh started
2025-07-22 14:52:38.120 [info] > pyenv which python
2025-07-22 14:52:38.120 [info] cwd: .
2025-07-22 14:52:40.938 [info] Python interpreter path: /bin/python
2025-07-22 14:52:41.019 [info] Native locator: Refresh finished in 3394 ms
2025-07-22 14:52:41.804 [info] Starting Pylance language server.
2025-07-22 14:53:07.605 [info] Discover tests for workspace name: dbgtest - uri: /home/duoduo/Documents/a3/dbgtest/main.py
2025-07-22 14:53:37.550 [info] Discover tests for workspace name: dbgtest - uri: /home/duoduo/Documents/a3/dbgtest/main.py
2025-07-22 14:59:14.230 [info] Discover tests for workspace name: dbgtest - uri: /home/duoduo/Documents/a3/dbgtest/main.py

Extension version: 2025.10.1
VS Code version: Code 1.102.1 (7adae6a56e34cb64d08899664b814cf620465925, 2025-07-15T16:41:17.147Z)
OS version: Linux x64 6.15.6-200.fc42.x86_64
Modes:

• Python version (& distribution if applicable, e.g. Anaconda): 3.13.3
• Type of virtual environment used (e.g. conda, venv, virtualenv, etc.): System
• Value of the python.languageServer setting: Default

User Settings

languageServer: "Pylance"

Installed Extensions

Extension Name	Extension Id	Version
astro-vscode	ast	2.15.4
black-formatter	ms-	2025.2.0
cmake-tools	ms-	1.21.36
copilot	Git	1.346.0
copilot-chat	Git	0.29.1
cpptools	ms-	1.26.3
cpptools-extension-pack	ms-	1.3.1
cpptools-themes	ms-	2.0.0
debugpy	ms-	2025.10.0
gitlens	eam	17.3.1
go	gol	0.48.0
js-debug	ms-	1.102.0
js-debug-companion	ms-	1.1.3
LiveServer	rit	5.7.9
python	ms-	2025.10.1
redis-for-vscode	Red	1.4.0
remote-explorer	ms-	0.5.0
remote-ssh	ms-	0.120.0
remote-ssh-edit	ms-	0.87.0
vscode-eslint	dba	3.0.10
vscode-js-profile-table	ms-	1.0.10
vscode-pylance	ms-	2025.6.2
vscode-python-envs	ms-	1.0.0
vscode-tailwindcss	bra	0.14.25
vsliveshare	ms-	1.0.5948

System Info

Item	Value
CPUs	Intel(R) Core(TM) Ultra 7 155H (22 x 3633)
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: disabled_software vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: disabled_off webnn: disabled_off
Load (avg)	1, 1, 1
Memory (System)	30.80GB (12.90GB free)
Process Argv	/home/duoduo/Documents/a3/a3-backend-job --crash-reporter-id b3415946-ff07-4a99-9884-8a393e71426c
Screen Reader	no
VM	0%
DESKTOP_SESSION	plasma
XDG_CURRENT_DESKTOP	KDE
XDG_SESSION_DESKTOP	KDE
XDG_SESSION_TYPE	wayland

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