habamax/emacs-python-treesitter-eglot.org

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Setup Emacs for Python with Treesitter and Eglot

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emacs-python-treesitter-eglot.org

Emacs, Python, Treesitter and Eglot

Treesitter (“better”/faster syntax highlighting)

Make sure you have Emacs with treesitter support:
M-: (treesit-available-p) RET should return t
Make sure you have installed python treesitter grammar
- Windows: download libtree-sitter-python.dll from https://corwin.bru.st/emacs-tree-sitter/ into ~/.emacs.d/tree-sitter/
- GNU/Linux: run M-x treesit-install-language-grammar RET type python RET and do a couple of additional y for default options. You will need to have git and C/Cpp compiler available as it would download repo and build grammar library.
Open python file and do M-x python-ts-mode RET to activate treesitter python mode.
Press C-h m to see if python treesitter is in place, third line should state:
```
Major mode for editing Python files, using tree-sitter library.
    
```

Optional, auto enable treesitter for python:

(setq major-mode-remap-alist
      '((python-mode . python-ts-mode)))

Eglot (Emacs LSP client)

Install eglot (not needed for Emacs 29.1)
Install python language server, example for Debian 12:
```
$ sudo apt install python3-pylsp
    
```
For others, check the their corresponding docs. Or use venv.
In python buffer run M-x eglot RET

It should state it is successfully connected.

Completion UI

For completion UI corfu might work. Install and enable with (global-corfu-mode).

Use (setq tab-always-indent 'complete) to let you TAB to trigger completion. Default is C-M-i.

Author

habamax commented Aug 31, 2023

I guess you can do the same here 🤷‍♂️

altay-oz commented Oct 10, 2023

$ sudo apt install python3-pylsp

AnabasisXu commented Feb 5, 2024 •

edited

Loading

Under python-ts-mode, I can not turn on eglot, for it will report:

[eglot] Sorry, couldn't guess for `python-ts-mode'!
Enter program to execute (or <host>:<port>):

Solved:
It turns out that my eglot version is too old. The built-in version will support all xxx-ts-mode.

danielboston38 commented Jan 18, 2025

can I install this on macOS? doing treesit-install says no match

thecodingend commented Feb 8, 2025

@danielboston38 you can still do it, just click on y in presented option to install recipe, did the job for me

p.s. I assume you already dealt with this but just in case

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