Debugging Bokeh server applications using Visual Studio Code

app.py

import ptvsd


# attach to VS Code debugger if this script was run with BOKEH_VS_DEBUG=true
if os.environ['BOKEH_VS_DEBUG'] == 'true':
    # 5678 is the default attach port in the VS Code debug configurations
    print('Waiting for debugger attach')
    ptvsd.enable_attach(address=('localhost', 5678), redirect_output=True)
    ptvsd.wait_for_attach()


def main():
    """Create the root and add it to `curdoc()`."""
    raise NotImplementedError()


if __name__.startswith('bk_script'):
    main()

launch.json5

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Bokeh server",
            "type": "python",
            "request": "attach",
            "port": 5678,
            "host": "localhost",
            "preLaunchTask": "launch Bokeh server"
        }
    ]
}

tasks.json5

{
    "version": "2.0.0",
    "tasks": [
        {
            "label": "launch Bokeh server",
            "type": "shell",
            "isBackground": true,
            "command": "bokeh",
            "args": [
                "serve",
                "app.py"
            ],
            "options": {
                "env": {
                    "BOKEH_VS_DEBUG": "true"
                }
            },
            "problemMatcher": {
                "fileLocation": [
                    "relative",
                    "${workspaceFolder}"
                ],
                "pattern": [
                    {
                        "regexp": ".",
                        "file": 1,
                        "location": 2,
                        "message": 3
                    }
                ],
                "background": {
                    "activeOnStart": true,
                    "endsPattern": "^.*Waiting for debugger attach.*",
                    "beginsPattern": "^this should not match on anything"
                    // "^.*\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2},\\d{3} 200 GET.*"
                }
            }
        }
    ]
}

I'm traying to do this with visual studio. is it the same or similar( vstudio debugging config)?

where do I save tasks.json?

It is only for VS Code, not Visual Studio.

…

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