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An implementation of the Debug Adapter Protocol for Python - microsoft/debugpy

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debugpy · PyPI

An implementation of the Debug Adapter Protocol for Python

      » pip install debugpy

Published Jan 29, 2026

Version 1.8.20

Repository https://github.com/microsoft/debugpy

Homepage https://aka.ms/debugpy

Discussions

Trying to understand debugpy

Debugpy was written by Microsoft so they intended for you to use it with vscode but you can use it another IDE like pycharm. You need to have the configs set to attach on the matching host and port. Here are the docs with using the debugpy cli with vscode. It’s much easier to use the gui in vscode to run the commands for you instead. Where the request config option would represent the —listen or —connect flag when you click the run debug button. More on reddit.com

r/learnpython

2

2

September 17, 2025

debugpy --pid flag fails to start the debug server in attached process

I noticed that VSCode times out when I try to debug a process by its pid. I thought it must be using the debugpy --pid flag to start the debug server, and noticed it was failing to call dlopen() an... More on github.com

github.com

13

October 18, 2021

Python Remote Debugging Not working with 3.9.3

Launch the script with debugpy: python3 -mdebugpy --listen 5678 test.py. More on github.com

github.com

5

April 3, 2021

Topics tagged extensions

Topics tagged extensions More on forum.cursor.com

forum.cursor.com

Videos

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Visual Studio Code

code.visualstudio.com › docs › python › debugging

Python debugging in VS Code

November 3, 2021 - The Python Debugger extension is automatically installed along with the Python extension for VS Code. It offers debugging features with debugpy for several types of Python applications, including scripts, web apps, remote processes and more.

amitness.com › notes › debugpy

How to use debugpy in VSCode

April 2, 2025 - The tool debugpy can be used to start a debugger either in a local virtual environment, a Docker container or on a remote server and then can be attached to set breakpoints and debug a script from within your local VSCode.

Visual Studio Marketplace

marketplace.visualstudio.com › items

Python Debugger - Visual Studio Marketplace

Extension for Visual Studio Code - Python Debugger extension using debugpy.

reddit.com › r/learnpython › trying to understand debugpy

r/learnpython on Reddit: Trying to understand debugpy

September 17, 2025 -

From what I gather from the documentation it does not seem that debugpy includes a DAP client implementation, only the server portion, correct?

So what does the --connect option in debugpy actually do?

The documentation says:

--connect

Tells the debug server to connect to a client that is waiting for incoming connections at the specified address and port. The corresponding debug configuration should use "listen" with matching "host" and "port" entries.

It almost seems like this should provide a client to the server, but from trying it out in the command line, I cannot see that this is the case.

Debugpy was written by Microsoft so they intended for you to use it with vscode but you can use it another IDE like pycharm. You need to have the configs set to attach on the matching host and port. Here are the docs with using the debugpy cli with vscode. It’s much easier to use the gui in vscode to run the commands for you instead. Where the request config option would represent the —listen or —connect flag when you click the run debug button.

Have you tried asking an llm about it?

github.com › microsoft › debugpy › issues

microsoft/debugpy

An implementation of the Debug Adapter Protocol for Python - microsoft/debugpy

Author microsoft

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debugpy 1.8.20 - An implementation of the Debug Adapter Protocol for Python - PythonFix.com

August 8, 2021 - An implementation of the Debug Adapter Protocol for Python

github.com › microsoft › debugpy › releases

Releases · microsoft/debugpy

An implementation of the Debug Adapter Protocol for Python - Releases · microsoft/debugpy

Author microsoft

youtrack.jetbrains.com › projects › PY › issues › PY-63403 › Support-debugpy

Support debugpy : PY-63403

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github.com › microsoft › debugpy › issues › 762

debugpy --pid flag fails to start the debug server in attached process · Issue #762 · microsoft/debugpy

October 18, 2021 - I noticed that VSCode times out when I try to debug a process by its pid. I thought it must be using the debugpy --pid flag to start the debug server, and noticed it was failing to call dlopen() and then DoAttach(). $ python3 -m debugpy ...

Author OEP

github.com › microsoft › debugpy › issues › 580

Python Remote Debugging Not working with 3.9.3 · Issue #580 · microsoft/debugpy

April 3, 2021 - Launch the script with debugpy: python3 -mdebugpy --listen 5678 test.py.

Author quoctruong

forum.cursor.com › tag › extensions › 285

Topics tagged extensions

Topics tagged extensions

github.com › topics › debugpy

debugpy · GitHub Topics · GitHub

Finds and runs debugpy for VS Code "remote attach" command line debugging.

github.com › microsoft › debugpy › wiki › Ramping-up-on-debugpy

Ramping up on debugpy

An implementation of the Debug Adapter Protocol for Python - microsoft/debugpy

Author microsoft

stackoverflow.com › questions › 77952676 › how-to-use-debugpy-in-vscode-to-debug-remote-python-server

visual studio code - How to use debugpy in VScode to debug remote python server? - Stack Overflow

So it turns out it's pretty easy: replace the "port" and "host" attributes with "connect", so if your configuration was:

{
      "type": "python",
      "request": "attach",
      "name": "attach remote",
      "host": "192.168.1.101",
      "port": 8765,
      "pathMappings": [
        {
          "localRoot": "${workspaceFolder}/...",
          "remoteRoot": "/usr/app/..."
        }
      ],
      "justMyCode": false
    },

It becomes:

{
      "type": "debugpy",
      "request": "attach",
      "name": "attach remote",
      "connect": { "host": "192.168.1.101", "port": 8765 },
      "pathMappings": [
        {
          "localRoot": "${workspaceFolder}/...",
          "remoteRoot": "/usr/app/..."
        }
      ],
      "justMyCode": false
    },

home-assistant.io › integrations › debugpy

Remote Python Debugger - Home Assistant

Remote Python debugger (debugpy) for Visual Studio Code

github.com › microsoft › debugpy › issues › 105

debugpy over ssh question · Issue #105 · microsoft/debugpy

April 8, 2020 - Recently the ms-python vscode extension began using debugpy over the older ptvsd. With this, it's using debugpy.launcher rather than the extensions older ptvsd_launcher.py script. I have a setu...

Author ddurham2

gist.github.com › kerbrose › e646aaf9daece42b46091e2ca0eb55d0

switching to debugpy · GitHub

hi can you help me please I am running odoo with docker-compose, is there a way to add the commands in the yml file? I am currently installing pip3 install debugpy with docker exec and then run the command python3 -m debugpy --listen 0.0.0.0:3001 /usr/bin/odoo -w odoo -r odoo --db_host db -p 5432

github.com › microsoft › debugpy › issues › 1726

debugpy not supporting Python 3.7 and failing with import ...

October 2, 2024 - Traceback (most recent call last): File "/usr/lib64/python3.7/runpy.py", line 193, in _run_module_as_main "__main__", mod_spec) File "/usr/lib64/python3.7/runpy.py", line 85, in _run_code exec(code, run_globals) File "/home/glue_user/.vscode-server/extensions/ms-python.debugpy-2024.12.0-linux-x64/bundled/libs/debugpy/adapter/../../debugpy/launcher/../../debugpy/__main__.py", line 69, in <module> from debugpy.server import cli File "/home/glue_user/.vscode-server/extensions/ms-python.debugpy-2024.12.0-linux-x64/bundled/libs/debugpy/adapter/../../debugpy/launcher/../../debugpy/../debugpy/server/

Author DikshaMakkar