Set breakpoint in imported python module in vs code

Question

I am trying to set a breakpoint in an external Python module in VS code.

I have tried editing the source file and inserting import pdb; pdb.set_trace() where I want the breakpoint.

This enters the pdb command line debugger rather than the debugger in the VS Code GUI.

How do I set a breakpoint in an imported Python module so that I enter the VS Code debugger?

sivano · Accepted Answer · 2020-11-19 06:23:34Z

38

Marvin's suggestion appears to be sufficient:

add a launch configuration "justMyCode":false . See code.visualstudio.com/docs/python/debugging#_justmycode

answered Nov 19, 2020 at 6:23

sivano

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Fernando Wittmann · Accepted Answer · 2023-10-29 18:45:31Z

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Besides adding "justMyCode":false as mentioned in other answers, there's another minor detail that took me a while to realize. You have to use the "Run" button at the top left:

And NOT the "Run Debug Python File" button at the top right:

Hope that helps saving time of others.

answered Oct 29, 2023 at 18:45

Fernando Wittmann

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Vladimir Fokow Over a year ago

Worked for me! Thanks! (why would the behavior of these 2 buttons be different..)

RobinL · Accepted Answer · 2019-08-06 09:51:27Z

4

You need to import the folder containing the source code of the imported module into the project, using file -> add folder to workspace. In my case this was /Users/robinl/anaconda3/lib/python3.6/site-packages/great_expectations/

Within VS code, you can then navigate to the file you want to debug and set a breakpoint by clicking to the left of the code as normal.

answered Aug 6, 2019 at 9:51

RobinL

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4 Comments

Marvin Over a year ago

Also, you may need to add a launch configuration "justMyCode":false . See code.visualstudio.com/docs/python/debugging#_justmycode

sivano Over a year ago

Answer given by @Marvin appears to me to be the only necessary step (just tried and it worked)

chrisinmtown Over a year ago

In VS code version 1.51.0 Marvin's answer is enuf, no need to import the folder! @sivano you should post that as an answer here, the current accepted answer is overkill.

Blubsiwubsi Over a year ago

This was the only solution that worked for me! Setting "justMyCode": false was not enough in my case. Thank you so much!

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