Frist attempt to not use elpy

.emacs

@@ -18,8 +18,6 @@
 	 (other . "gnu")))
  '(company-idle-delay 20.0)
  '(compilation-scroll-output 'first-error)
- '(elpy-formatter 'black)
- '(elpy-test-runner 'elpy-test-pytest-runner)
  '(global-auto-revert-mode t)
  '(global-display-line-numbers-mode t)
  '(gofmt-command "goimports")
@@ -30,7 +28,7 @@
 	 ("melpa" . "https://melpa.org/packages/")))
  '(package-enable-at-startup nil)
  '(package-selected-packages
-   '(company-go zenburn-theme langtool smart-tabs-mode typescript-mode protobuf-mode opencl-mode glsl-mode go-mode elpy markdown-mode srefactor irony cmake-mode company magit use-package))
+   '(company-go zenburn-theme langtool smart-tabs-mode typescript-mode protobuf-mode opencl-mode glsl-mode go-mode markdown-mode srefactor irony cmake-mode company magit use-package))
  '(safe-local-variable-values
    '((vc-follow-symlinks . t)
 	 (TeX-master . t)
@@ -83,12 +81,6 @@
   :config
   (setq-default tab-width 4) ; or any other preferred value
   (setq cua-auto-tabify-rectangles nil)
-  ;; (defadvice align (around smart-tabs activate)
-  ;; 	(let ((indent-tabs-mode nil)) ad-do-it))
-  ;; (defadvice align (around smart-tabs activate)
-  ;; 	(let ((indent-tabs-mode nil)) ad-do-it))
-  ;; (defadvice align-regexp (around smart-tabs activate)
-  ;; 	(let ((indent-tabs-mode nil)) ad-do-it))
   (defadvice indent-relative (around smart-tabs activate)
 	(let ((indent-tabs-mode nil)) ad-do-it))
   (defadvice indent-according-to-mode (around smart-tabs activate)
@@ -146,19 +138,13 @@
   )
 
 (use-package cmake-mode
+  :hook
+  (cmake-mode . lsp-deferred)
   :config
   (setq cmake-tab-width 4)
   )
 
 
-(use-package srefactor
-  :bind (:map c-mode-map
-		 ("M-RET" . srefactor-refactor-at-point)
-		 :map c++-mode-map
-		 ("M-RET" . srefactor-refactor-at-point))
-  )
-
-
 (use-package yasnippet
   :config
   (yas-global-mode)
@@ -180,17 +166,21 @@
   (projectile-mode +1)
   )
 
-(use-package cpputils-cmake
+(use-package flycheck
   :config
-  (setq cppcm-write-flymake-makefile nil)
+  (defvar-local atu/flycheck-local-cache nil)
-  :bind ( "C-c C-f" . ff-find-other-file)
-  )
 
-(use-package flycheck)
+  (defun atu/flycheck-checker-get (fn checker property)
+	(or (alist-get property (alist-get checker atu/flycheck-local-cache))
+		(funcall fn checker property)))
+
+  (advice-add 'flycheck-checker-get :around 'atu/flycheck-checker-get)
+  )
 
 (use-package which-key)
 
 (use-package lsp-mode
+  :after (flycheck)
   :config
   (yas-minor-mode)
   (global-set-key (kbd "C-c C-n") 'flycheck-next-error)
@@ -206,20 +196,16 @@
   :init
   ;; set prefix for lsp-command-keymap (few alternatives - "C-l", "C-c l")
   (setq lsp-keymap-prefix "C-c l")
-  (require 'lsp-ltex)
+  :hook (
-  :hook (;; replace XXX-mode with concrete major-mode(e. g. python-mode)
+		 ;; replace XXX-mode with concrete major-mode(e. g. python-mode)
-		 (c++-mode . lsp-deferred)
-		 (c-mode . lsp-deferred)
-		 (cmake-mode . lsp-deferred)
-		 (go-mode . lsp-deferred)
-		 (typescript-mode . lsp-deferred)
-		 (html-mode . lsp-deferred)
 		 ;; if you want which-key integration
 		 (lsp-mode . lsp-enable-which-key-integration))
 
+
   :commands (lsp lsp-deferred))
 
 (use-package lsp-ui
+  :after lsp-mode
   :config
   (setq lsp-ui-sideline-show-diagnostics nil)
   )
@@ -228,10 +214,135 @@
   :init
   (setq lsp-ltex-version "15.2.0"))  ; make sure you have set this, see below
 
-(use-package ng2-mode)
+(use-package ng2-mode
+  :hook
+  (html-mode . lsp-deferred)
+  (typescript-mode . lsp-deferred)
+  )
 
 (use-package yaml-mode)
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; PYTHON
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(use-package python
+  :custom
+  (python-shell-interpreter "ipython")
+  (python-shell-interpreter-args "-i --simple-prompt")
+  (python-indent-guess-indent-offset-verbose nil)
+  :hook
+  (python-mode . (lambda () (setq-local company-prescient-sort-length-enable nil)))
+  (python-mode . (lambda () (setq-local fill-column 88)))
+  (python-mode . lsp-deferred)
+  ;; (lsp-managed-mode . (lambda ()
+  ;; 						(when (derived-mode-p 'python-mode)
+  ;; 						  (setq atu/flycheck-local-cache '((lsp . ((next-checkers . (python-flake8)))))))))
+
+  )
+
+(use-package pyvenv
+  :after (projectile)
+  :config
+  (defun atu/get-direnv-venv ()
+	"Gets .direnv from project root python venv if any"
+	(when-let* ((root-dir (projectile-project-root))
+				(direnv (concat (file-name-as-directory root-dir) ".direnv"))
+				(venvs (directory-files direnv t "python-.*")))
+	  (car (last venvs)))
+	)
+  (defun atu/get-dotvenv ()
+	"Gets .venv from project root if any"
+	(when-let* ((root-dir (projectile-project-root))
+				(venv (concat (file-name-as-directory root-dir) ".venv"))
+				(venv-exists (file-exists-p venv))
+				(venv-name (with-temp-buffer
+                             (insert-file-contents venv-file)
+                             (nth 0 (split-string (buffer-string))))))
+	  venv-name)
+	)
+  (defun atu/get-venv-name ()
+	"Gets venv name from project root. Support .venv and .direnv structure"
+	(or (atu/get-dotvenv) (atu/get-direnv-venv))
+	)
+
+  (defun atu/activate-venv ()
+	"Activate python environment according to the project root"
+	(when-let ((venv-name (atu/get-venv-name)))
+	  (pyvenv-mode)
+	  (pyvenv-workon venv-name)
+	  )
+	)
+
+  (defun atu/get-venv-python ()
+	"returns python executable from current venv"
+	(when-let* ((venv-name (atu/get-venv-name))
+				(python-exec (concat (file-name-as-directory venv-name) "bin/python3"))
+				(python-exists (file-executable-p python-exec))
+				)
+	  python-exec)
+	)
+
+  (defun atu/activate-flycheck ()
+	"Activate flycheck unless its in the venv"
+	(if-let ((venv-name (atu/get-venv-name)))
+		(unless (and buffer-file-name (file-in-directory-p buffer-file-name venv-name))
+		  (flycheck-mode))
+	  (flycheck-mode))
+	)
+
+  (defun atu/append-workspace-extra-paths ()
+	"Appends needed extra-paths to lsp-jedi workspace if found"
+	(when-let* ((venv-name (atu/get-venv-name))
+				(site-packages (file-expand-wildcards (concat (file-name-as-directory venv-name) "lib/python*/site-packages")))
+				(site-package (car site-packages)))
+	  (setq lsp-jedi-workspace-extra-paths
+			(vconcat lsp-jedi-workspace-extra-paths (vector site-package))
+			)
+	  )
+	)
+
+  (defun atu/flycheck-set-python-paths ()
+	"Sets the rights executable for flycheck"
+	(when-let ((python-exec (atu/get-venv-python)))
+	  (flycheck-set-checker-executable 'python-flake8 python-exec)
+	  (flycheck-set-checker-executable 'python-pylint python-exec)
+	  (flycheck-set-checker-executable 'python-mypy python-exec)
+	  (flycheck-reset-enabled-checker 'python-flake8)
+	  (flycheck-reset-enabled-checker 'python-pylint)
+	  (flycheck-add-next-checker 'lsp 'python-pylint)
+	  )
+	)
+
+  :hook
+  (python-mode . atu/activate-venv)
+  ;(python-mode . atu/activate-flycheck)
+  (python-mode . atu/append-workspace-extra-paths)
+  (lsp-managed-mode . atu/flycheck-set-python-paths)
+  )
+
+
+(use-package lsp-jedi
+  :config
+  (with-eval-after-load "lsp-mode"
+    (add-to-list 'lsp-disabled-clients 'pyls)
+    (add-to-list 'lsp-enabled-clients 'jedi)
+	)
+  )
+
+
+;; (use-package blacken
+;;   :commands blacken-mode blacken-buffer
+;;   :hook
+;;   (python-mode . blacken-mode)
+;;   )
+
+;; (use-package py-isort
+;;   :commands py-isort-buffer
+;;   :hook
+;;   (before-save-hook . py-isort-before-save)
+;;   )
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; C/C++
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -331,15 +442,6 @@
 
 (use-package markdown-mode)
 
-(use-package elpy
-  :init
-  (elpy-enable)
-  :config
-  (add-hook 'elpy-mode-hook (lambda ()
-							  (add-hook 'before-save-hook
-										'elpy-format-code nil t)))
-  )
-
 (use-package go-mode
   :after (projectile)
   :config