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I'm setting up my python lsp using this video tutorial.

My emacs init.el configuration file is here

By default projectile-project-test-cmd runs the command python -m unittest discover. I want to change it to pytest instead as explained by tutor.

I followed the below steps -

1. M-x add-dir-local-variable RET
2. choose mode 'python-mode'
3. Add local-variable 'projectile-project-test-cmd'.
4. Add local variable value "pytest".

It creates .dir-locals.el file with below contents -

((python-mode . ((projectile-project-test-cmd . "pytest"))))

Now when I run M-x projectile-test-project it runs pytest command.

But when I close emacs and reopen it, it stops running pytest and runs python -m unittest discover instead.

How to fix this issue?

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  • Are you in a file-visiting buffer when you run the command? dir-locals don't affect other buffers automatically (i.e. the major mode needs to support the behaviour explicitly). – phils Feb 15 at 22:26
  • I don't work with python, but python -m unittest discover seems like a very specific command. Where does that come from? Perhaps your project is already setting this command in some other way, taking precedence over your dir-local value. – phils Feb 15 at 22:28
  • What's the output of (gethash (projectile-compilation-dir) projectile-test-cmd-map)? Related maybe? emacs.stackexchange.com/questions/61493/… – TerryTsao Mar 18 at 2:45
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Did you save the .dir-locals.el file? Are you loading these files via TRAMP? By default, Emacs doesn't look for the .dir-locals.el file when loading files via TRAMP, as it might add significant delays. If this is the problem, you can set enable-remote-dir-locals to t to opt in.

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  • Yes I saved the file in the project root. Also I'm not loading it via tramp – Rajkumar Natarajan Feb 15 at 22:20
  • Test with emacs -Q to see if it sets that variable when you open the file. If it works there, perhaps some part of your Emacs config is incorrect. – db48x Feb 15 at 22:22

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