Enable mypy and ruff pylsp plugins

.emacs.d/init.el

@@ -606,6 +606,12 @@
   (when (executable-find "rust-analyzer")
         (setq lsp-rust-server 'rust-analyzer))
 
+  (lsp-register-custom-settings
+   '(("pylsp.plugins.pyls_mypy.enabled" t t)
+     ("pylsp.plugins.pyls_mypy.live_mode" nil t)
+     ("pylsp.plugins.ruff.enabled" t t)))
+
+
   (defun lsp-compile-in-root ()
     "Do compilation in the root dir of a project"
     (interactive)
@@ -634,8 +640,6 @@
         (apply orig-fun args)))
     (advice-add 'lsp-ui-doc--display :around #'adjust-lsp-ui-doc-frame-pos))
 
-  (use-package lsp-python-ms :demand :if (package-installed-p 'lsp-python-ms))
-
   (use-package lsp-java :demand :if (package-installed-p 'lsp-java)
     :config
     (setq lsp-java-save-action-organize-imports nil)))
@@ -1001,15 +1005,6 @@
     (which-key-posframe-mode)
     (set-face-background 'which-key-posframe "#333333")))
 
-(use-package prettier-js
-  :hook ((js2-mode typescript-mode web-mode json-mode) . prettier-js-mode-maybe)
-  :commands prettier-js
-  :init
-  (defun prettier-js-mode-maybe ()
-    (interactive)
-    (when (= 0 (call-process "prettier" nil nil nil "--find-config-path" (buffer-file-name)))
-      (prettier-js-mode t))))
-
 (use-package show-marks
   :config
   :bind ("C-S-<left>" . backward-mark)
@@ -1039,12 +1034,6 @@
   :bind (:map typescript-mode-map
               ("<M-return>" . c-indent-new-comment-line)))
 
-(use-package blacken
-  :hook (python-mode . blacken-mode)
-  :delight
-  :config
-  (setq blacken-only-if-project-is-blackened t))
-
 (use-package rustic
   :config
   (setq rustic-format-on-save t
@@ -1069,6 +1058,30 @@
     (define-fringe-bitmap 'git-gutter-fr:modified [224] nil nil '(center repeated))
     (define-fringe-bitmap 'git-gutter-fr:deleted [224] nil nil '(center repeated))))
 
+(use-package apheleia :demand :if (package-installed-p 'apheleia)
+  :config
+  (setf (alist-get 'djlint apheleia-formatters) '("djlint" "--reformat" "-"))
+  (setf (alist-get "\\.dj\\.html$" apheleia-mode-alist) '(djlint))
+
+  (defun apheleia--pyproject-contains-section (section)
+    (when-let (parent (locate-dominating-file default-directory "pyproject.toml"))
+      (with-temp-buffer
+        (insert-file-contents (concat parent "pyproject.toml"))
+        (re-search-forward (concat "^\\[" section "\\]$") nil t 1))))
+
+  (defun apheleia--check-formatter-configured ()
+    "Disable apheleia when a formatter's configuration does not exist"
+    (not (let ((formatters (apheleia--get-formatters)))
+           (cond
+            ((member 'black formatters) (apheleia--pyproject-contains-section "tool.black"))
+            ((member 'djlint formatters) (apheleia--pyproject-contains-section "tool.djlint"))
+            ((member 'prettier formatters)
+             (= 0 (call-process "prettier" nil nil nil "--find-config-path" (buffer-file-name))))))))
+
+  (add-to-list 'apheleia-inhibit-functions 'apheleia--check-formatter-configured)
+
+  (apheleia-global-mode t))
+
 ;;; Local Variables
 (add-to-list 'safe-local-eval-forms '(outline-hide-body))
 ;; Local Variables: