Updated python stuff, especially handling of venvs

init.org

@@ -293,11 +293,14 @@ Windows Theme:
    :ID:       a2873138-16ee-4990-89a2-26eab778ea74
    :END:
 #+BEGIN_SRC emacs-lisp
-  (use-package rainbow-mode
-    :ensure t
-    :diminish
-    :hook ((org-mode
-            emacs-lisp-mode) . rainbow-mode))
+(use-package rainbow-mode
+  :ensure t
+  :diminish
+  :hook ((org-mode
+          emacs-lisp-mode) . rainbow-mode))
+
+(use-package delight
+  :ensure t)
 #+END_SRC
 * undo
   :PROPERTIES:
@@ -819,10 +822,14 @@ Manage projects and jump quickly between its files
   (use-package projectile
     :ensure t
     :defer t
+    :hook (projectile-after-switch-project  . (lambda () (set-workon_home)))
     :bind
     (("C-c p p" . projectile-switch-project)
      ("C-c p c" . projectile-command-map)
      ("C-c p s s" . projectile-ag))
+    :preface
+    (defun set-workon_home()
+      (setenv "WORKON_HOME" (projectile-project-root)))
     :init
     (setq-default projectile-cache-file (concat MY--PATH_USER_LOCAL ".projectile-cache")
                   projectile-known-projects-file (concat MY--PATH_USER_LOCAL ".projectile-bookmarks"))
@@ -945,33 +952,61 @@ apt install build-essential python3-dev
  https://github.com/emacs-lsp/lsp-mode#install-language-server
 
  #+BEGIN_SRC emacs-lisp
-(if *sys/linux*
-    (defun my/postactivatehook ()
-      (setq lsp-python-ms-extra-paths pyvenv-virtual-env))
-  
-  (use-package pyvenv
-    :ensure t
-    :config
-    (setenv "WORKON_HOME" (expand-file-name "~/Archiv/Programmierprojekte/Python/virtualenv/"))
-    (add-hook 'pyvenv-post-activate-hooks 'my/postactivatehook))
-
-  (use-package virtualenvwrapper
-    :ensure t
-    :hook (venv-postmkvirtualenv . (lambda() (shell-command "pip3 install importmagic epc")))
-    :config
-    (setq venv-location (expand-file-name "~/Archiv/Programmierprojekte/Python/virtualenv/")))
+(use-package lsp-python-ms
+  :if *sys/linux*
+  :ensure t
+  :defer 0.3
+  :custom (lsp-python-ms-auto-install-server t))
 
-  (use-package lsp-python-ms
-    :ensure t
-    ;:after lsp-mode python
-    :hook (python-mode . (lambda()
-                           (require 'lsp-python-ms)
-                           (lsp)))
-    :init
-    (setq lsp-python-ms-executable
-          "~/.config/emacs/mspyls/Microsoft.Python.LanguageServer")
-    :custom ((lsp-python-executable-cmd "python3")
-             (lsp-python-ms-auto-install-server t))))
+(use-package python
+  :if *sys/linux*
+  :delight "π "
+  :bind (("M-[" . python-nav-backward-block)
+         ("M-]" . python-nav-forward-block)))
+    
+(use-package pyvenv
+  :if *sys/linux*
+  :ensure t
+  :after python
+  :hook ((python-mode . pyvenv-mode)
+         (python-mode . (lambda ()
+                          (if-let ((pyvenv-directory (find-pyvenv-directory (buffer-file-name))))
+                              (pyvenv-activate pyvenv-directory))
+                          (lsp))))
+  :custom
+  (pyvenv-default-virtual-env-name "env")
+  (pyvenv-mode-line-indicator '(pyvenv-virtual-env-name ("[venv:" pyvenv-virtual-env-name "]")))
+  :preface
+  (defun find-pyvenv-directory (path)
+    "Check if a pyvenv directory exists."
+    (cond
+     ((not path) nil)
+     ((file-regular-p path) (find-pyvenv-directory (file-name-directory path)))
+     ((file-directory-p path)
+      (or
+       (seq-find
+        (lambda (path) (file-regular-p (expand-file-name "pyvenv.cfg" path)))
+        (directory-files path t))
+       (let ((parent (file-name-directory (directory-file-name path))))
+         (unless (equal parent path) (find-pyvenv-directory parent))))))))
+ 
+  ;; manage multiple python version
+  ;; needs to be installed on system
+;  (use-package pyenv-mode
+;    :ensure t
+;    :after python
+;    :hook ((python-mode . pyenv-mode)
+;           (projectile-switch-project . projectile-pyenv-mode-set))
+;    :custom (pyenv-mode-set "3.8.5")
+;    :preface
+;    (defun projectile-pyenv-mode-set ()
+;      "Set pyenv version matching project name."
+;      (let ((project (projectile-project-name)))
+;        (if (member project (pyenv-mode-versions))
+;            (pyenv-mode-set project)
+;          (pyenv-mode-unset)))))
+
+ ;)
 
 
  #+END_SRC