Figure out a way to do python virtual environments

.gitignore

@@ -4,3 +4,4 @@ backups
 elpa
 *.elc
 recentf
+.python-environments*

behaviour.el

@@ -154,6 +154,9 @@
         (company-abbrev company-dabbrev)
         ))
 
+;; Test, I do not know what it does yet.
+(setq company-tooltip-align-annotations t)
+
 ;; Do not required match to continue typing
 (setq company-require-match 'never)
 

key-bindings.el

@@ -57,7 +57,9 @@
 (require 'dash-at-point)
 (evil-leader/set-key "d" 'dash-at-point)
 
+;; Force company-yasnippet
+
 (require 'evil)
 ;;; VIM insert mode things
-(define-key evil-insert-state-map "\C-a" 'company-yasnippet)
+(define-key evil-insert-state-map "\C-a" 'company-complete)
 ;;; key-bindings.el ends here

languages.el

@@ -13,6 +13,7 @@
 (load "~/.emacs.d/languages/elixir.elc")
 (load "~/.emacs.d/languages/rust.elc")
 (load "~/.emacs.d/languages/web.elc")
+(load "~/.emacs.d/languages/js.elc")
 
 ;;; SQL
 (defun sql-mode-hook ()

languages/js.el

@@ -0,0 +1,27 @@
+;;; Js -- summary
+;;; Commentary:
+
+;;; Code:
+
+;;========== Editor config =========================
+(defun editor-config-js ()
+  "Editor configuration for Javascript."
+  (set-indent 2)
+  (set-width-80))
+
+;;========== Code completion =======================
+(defun completion-config-js ()
+  "Code completion and inspection for Javascript."
+  (company-mode 1)
+  (flycheck-mode 1)
+  (flymake-mode)
+  (set (make-local-variable 'company-backends)
+       '((company-tern company-capf company-dabbrev-code company-yasnippet
+                        company-files))))
+
+;;========== Hooks =================================
+(add-hook 'js-mode-hook 'editor-config-js)
+(add-hook 'js-mode-hook 'completion-config-js)
+
+(provide 'js)
+;;; js.el ends here

languages/python.el

@@ -4,6 +4,8 @@
 ;;; Code:
 (require 'elpy)
 (require 'pyenv-mode)
+(require 'company-jedi)
+
 ;;========== Editor config =========================
 (defun editor-config-python ()
   "Setup editor for Python."
@@ -12,7 +14,18 @@
   (setq python-indent-guess-indent-offset 4)
   (setq python-indent-offset 4))
 
-;;========== Code completion
+;;========== Helper for pyenv ======================
+(defun ssbb-pyenv-hook ()
+  "Automatically activates pyenv version if .python-version file exists."
+  (f-traverse-upwards
+   (lambda (path)
+     (let ((pyenv-version-path (f-expand ".python-version" path)))
+       (if (f-exists? pyenv-version-path)
+           (pyenv-mode-set (s-trim (f-read-text pyenv-version-path 'utf-8))))))))
+
+(add-hook 'find-file-hook 'ssbb-pyenv-hook)
+
+;;========== Code completion =======================
 (defun completion-config-python ()
   "Code completion and inspection for Python."
   (elpy-mode 1)

packages.el

@@ -211,4 +211,8 @@
 
 (unless (package-installed-p 'pyenv-mode)
   (package-install 'pyenv-mode))
+
+;; Javascript
+(unless (package-installed-p 'company-tern)
+        (package-install 'company-tern))
 ;;; packages.el ends here

windows.el

@@ -36,7 +36,7 @@
 (add-to-list 'purpose-user-mode-purposes '(web-mode . code))
 (add-to-list 'purpose-user-mode-purposes '(java-mode . code))
 (add-to-list 'purpose-user-mode-purposes '(python-mode . code))
-(add-to-list 'purpose-user-mode-purposes '(javascript-mode . code))
+(add-to-list 'purpose-user-mode-purposes '(js-mode . code))
 (add-to-list 'purpose-user-mode-purposes '(emacs-lisp-mode . code))
 
 ;; Other files that fall into 'code'