change python config, add jupyter and ein

settings/python-settings.el

@@ -6,6 +6,29 @@
 ;;   program: python
 ;;   Emacs packages: anaconda-mode company-anaconda sphinx-doc
 
+;; Language Server Support, Emacs built-in package `eglot'
+;; https://github.com/joaotavora/eglot
+;; connects to LSP
+;; activate with `eglot'
+;; after changing comfigurations run `eglot-reconnect'
+;; follow documentation at point `eldoc-doc-buffer'
+
+;; Language Server Protocol (LSP), python package `python-lsp-server'
+;; https://github.com/python-lsp/python-lsp-server
+;; install via: pip install "python-lsp-server[all]"
+;; arch linux: extra/python-lsp-server
+;; - pycodestyle (formerly called pep8) - Python style guide checker
+;;   https://pycodestyle.pycqa.org/en/latest/
+;;   arch linux: extra/python-pycodestyle
+;;   to ignore a check in a code line use # noqa
+;;   config via ~/.config/pycodestyle
+;; - pylsp-mypy: pylsp plugin, type checking for Python >=3.8
+;;   https://mypy-lang.org/
+;;   pip install pylsp-mypy
+;;   arch linux: aur/python-pylsp-mypy
+
+;; Syntax Checking, Emacs built-in package `flymake'
+
 ;;; Code:
 (use-package python
   :delight (python-mode "Py") ;; "Py " "\u1F15F"
@@ -97,40 +120,40 @@ process."
   )
 
 ;; needs system package python-jedi
-(use-package anaconda-mode  ;; works with company-mode via company-anaconda
-  :after python
-  :delight (anaconda-mode "A")  ;; \u24B6 a
-  :bind (([remap anaconda-mode-show-doc] . my-anaconda-mode-show-doc))  ;; M-?
-  :hook (python-mode
-         (python-mode . anaconda-eldoc-mode))  ;; if cursor is between function's parenthesis show parameter in echo area
-  :config
-  (setq anaconda-mode-installation-directory (concat user-cache-directory "anaconda-mode"))
-  ;; compared to `anaconda-mode-show-doc' using `my-anaconda-mode-show-doc-callback'
-  (defun my-anaconda-mode-show-doc ()
-    "Show documentation for context at point."
-    (interactive)
-    ;;(anaconda-mode-call "show_doc" 'anaconda-mode-show-doc-callback)   ;; removed
-    (anaconda-mode-call "show_doc" 'my-anaconda-mode-show-doc-callback)  ;; instead
-    )
-  ;; compared to `anaconda-mode-show-doc-callback' no change of focus
-  (defun my-anaconda-mode-show-doc-callback (result)
-    "Process view doc RESULT."
-    (if (> (length result) 0)
-        (if (and anaconda-mode-use-posframe-show-doc
-                 (require 'posframe nil 'noerror)
-                 (posframe-workable-p))
-            (anaconda-mode-documentation-posframe-view result)
-          ;;(pop-to-buffer (anaconda-mode-documentation-view result) t)  ;; removed
-          (anaconda-mode-documentation-view result)                      ;; instead
-          )
-      (message "No documentation available")))
-  )
+;; (use-package anaconda-mode  ;; works with company-mode via company-anaconda
+;;   :after python
+;;   :delight (anaconda-mode "A")  ;; \u24B6 a
+;;   :bind (([remap anaconda-mode-show-doc] . my-anaconda-mode-show-doc))  ;; M-?
+;;   :hook (python-mode
+;;          (python-mode . anaconda-eldoc-mode))  ;; if cursor is between function's parenthesis show parameter in echo area
+;;   :config
+;;   (setq anaconda-mode-installation-directory (concat user-cache-directory "anaconda-mode"))
+;;   ;; compared to `anaconda-mode-show-doc' using `my-anaconda-mode-show-doc-callback'
+;;   (defun my-anaconda-mode-show-doc ()
+;;     "Show documentation for context at point."
+;;     (interactive)
+;;     ;;(anaconda-mode-call "show_doc" 'anaconda-mode-show-doc-callback)   ;; removed
+;;     (anaconda-mode-call "show_doc" 'my-anaconda-mode-show-doc-callback)  ;; instead
+;;     )
+;;   ;; compared to `anaconda-mode-show-doc-callback' no change of focus
+;;   (defun my-anaconda-mode-show-doc-callback (result)
+;;     "Process view doc RESULT."
+;;     (if (> (length result) 0)
+;;         (if (and anaconda-mode-use-posframe-show-doc
+;;                  (require 'posframe nil 'noerror)
+;;                  (posframe-workable-p))
+;;             (anaconda-mode-documentation-posframe-view result)
+;;           ;;(pop-to-buffer (anaconda-mode-documentation-view result) t)  ;; removed
+;;           (anaconda-mode-documentation-view result)                      ;; instead
+;;           )
+;;       (message "No documentation available")))
+;;   )
 
-(use-package company-anaconda
-  :after (python anaconda-mode company)
-  :bind (([remap anaconda-mode-complete] . company-anaconda))
-  :config
-  (add-to-list 'company-backends '(company-anaconda :with company-capf)))  ;; to see anaconda-mode completions together with ones comes from inferior python process
+;; (use-package company-anaconda
+;;   :after (python anaconda-mode company)
+;;   :bind (([remap anaconda-mode-complete] . company-anaconda))
+;;   :config
+;;   (add-to-list 'company-backends '(company-anaconda :with company-capf)))  ;; to see anaconda-mode completions together with ones comes from inferior python process
 
 ;; https://melpa.org/#/sphinx-doc
 ;; https://github.com/naiquevin/sphinx-doc.el
@@ -139,5 +162,57 @@ process."
   :delight (sphinx-doc-mode "Sph")  ;; \u24C8 s
   :hook (python-mode . sphinx-doc-mode))
 
+
+
+
+;; jupyter repl
+;; optional markdown-mode
+;; optional company-mode
+;; emacs-websocket
+;; simple-httpd
+;; zmq
+(use-package jupyter
+  :commands (;; launch a new local kernel and displays a REPL buffer
+             jupyter-run-repl
+             ;; connect to an existing kernel using the kernel’s connection
+             ;; file, which is supplied by the user, and displays a REPL buffer
+             jupyter-connect-repl
+             ;; associate the buffer to an existing emacs-jupyter REPL or create a new one choosing the appropriate Jupyter kernel
+             jupyter-repl-associate-buffer)
+  :init
+  (setq jupyter-use-zmq nil)
+  :config
+  (add-to-list 'org-structure-template-alist '("py" . "src jupyter-python"))
+  ;; emacs-jupyter will always use the Python kernel found on startup
+  (defun my-jupyter-refresh-kernelspecs ()
+    "Refresh Jupyter kernelspecs"
+    (interactive)
+    (jupyter-available-kernelspecs t))
+  )
+
+;; https://github.com/astoff/code-cells.el
+;; .ipynb
+(use-package code-cells
+  :commands (code-cells-mode code-cells-convert-ipynb)
+  ;;:mode ("\\.ipynb\\'" . code-cells-mode)
+  :hook (code-cells-mode . code-cells-convert-ipynb)
+  :config
+  (setq code-cells-convert-ipynb-style '(("pandoc" "--to" "ipynb" "--from" "org")
+                                         ("pandoc" "--to" "org" "--from" "ipynb")
+                                         (lambda () #'org-mode)))
+)
+
+(use-package ox-ipynb
+  :after ox)
+
+;; https://millejoh.github.io/emacs-ipython-notebook/
+;; requires: anaphora dash deferred polymode request websocket with-editor
+(use-package ein
+  :commands (ein:run ein:jupyter-server-start ein:notebooklist-open)
+  :config
+  (require 'ein-jupyter)
+  (require 'ein-notebook)
+  (setq ein:output-area-inlined-images t))
+
 (provide 'python-settings)
 ;;; python-settings.el ends here