diff --git a/fg42-config.el b/fg42-config.el index 7c7e33b..08f4fa5 100644 --- a/fg42-config.el +++ b/fg42-config.el @@ -12,6 +12,7 @@ 'editor-theme 'javascript 'php + 'python 'ruby) ;; Disable abilities which we do not want to load diff --git a/lib/extensions/python.el b/lib/extensions/python.el new file mode 100644 index 0000000..2f17514 --- /dev/null +++ b/lib/extensions/python.el @@ -0,0 +1,15 @@ +(require 'fpkg) +(require 'fg42/extension) +(require 'extensions/python/init) + +;; Dependencies ---------------------------------- +(depends-on 'anaconda-mode) +(depends-on 'company-anaconda) +(depends-on 'pyvenv) + +;; Extension ------------------------------------- +(extension python + :version "1.0" + :on-initialize extensions/python-initialize) + +(provide 'extensions/python) diff --git a/lib/extensions/python/init.el b/lib/extensions/python/init.el new file mode 100644 index 0000000..9dc1eec --- /dev/null +++ b/lib/extensions/python/init.el @@ -0,0 +1,95 @@ +;; Functions ------------------------------------------------- +(defun python--encoding-comment-required-p () + (re-search-forward "[^\0-\177]" nil t)) + +(defun python--detect-encoding () + (let ((coding-system + (or save-buffer-coding-system + buffer-file-coding-system))) + (if coding-system + (symbol-name + (or (coding-system-get coding-system 'mime-charset) + (coding-system-change-eol-conversion coding-system nil))) + "ascii-8bit"))) + +(defun python--insert-coding-comment (encoding) + (let ((newlines (if (looking-at "^\\s *$") "\n" "\n\n"))) + (insert (format "# coding: %s" encoding) newlines))) + +(defun python-mode-set-encoding () + "Insert a magic comment header with the proper encoding if necessary." + (save-excursion + (widen) + (goto-char (point-min)) + (when (prelude-python--encodings-comment-required-p) + (goto-char (point-min)) + (let ((coding-system (python--detect-encoding))) + (when coding-system + (if (looking-at "^#!") (beginning-of-line 2)) + (cond ((looking-at "\\s *#\\s *.*\\(en\\)?coding\\s *:\\s *\\([-a-z0-9_]*\\)") + ;; update existing encoding comment if necessary + (unless (string= (match-string 2) coding-system) + (goto-char (match-beginning 2)) + (delete-region (point) (match-end 2)) + (insert coding-system))) + ((looking-at "\\s *#.*coding\\s *[:=]")) + (t (python--insert-coding-comment coding-system))) + (when (buffer-modified-p) + (basic-save-buffer-1))))))) + +;; http://wenshanren.org/?p=351 +(defun python-add-breakpoint () + "Add a break point" + (interactive) + (newline-and-indent) + (insert "import ipdb; ipdb.set_trace()") + (highlight-lines-matching-regexp "^[ ]*import ipdb; ipdb.set_trace()")) +(global-set-key (kbd "C-c C-b") 'python-add-breakpoint) + +(defun python-interactive () + "Enter the interactive Python environment" + (interactive) + (progn + (newline-and-indent) + (insert "from IPython import embed; embed()") + (move-end-of-line 1))) +(global-set-key (kbd "C-c C-n") 'python-interactive) + +(defun python-mode-defaults () + "Defaults for Python programming." + (subword-mode +1) + (anaconda-mode 1) + (eldoc-mode 1) + (setq-local electric-layout-rules + '((?: . (lambda () + (and (zerop (first (syntax-ppss))) + (python-info-statement-starts-block-p) + 'after))))) + (when (fboundp #'python-imenu-create-flat-index) + (setq-local imenu-create-index-function + #'python-imenu-create-flat-index)) + (add-hook 'post-self-insert-hook + #'electric-layout-post-self-insert-function nil 'local) + (add-hook 'after-save-hook 'prelude-python-mode-set-encoding nil 'local)) + +;;;###autoload +(defun extensions/python-initialize () + (message "Initializing 'python' extension.") + + (when (boundp 'company-backends) + (add-to-list 'company-backends 'company-anaconda)) + + (add-to-list 'auto-mode-alist '("\\.kv\\'" . kivy-mode)) + (add-to-list 'auto-mode-alist '("\\.pyd\\'" . cython-mode)) + (add-to-list 'auto-mode-alist '("\\.pyi\\'" . cython-mode)) + (add-to-list 'auto-mode-alist '("\\.pyx\\'" . cython-mode)) + + + (when (fboundp 'exec-path-from-shell-copy-env) + (exec-path-from-shell-copy-env "PYTHONPATH")) + + (add-hook 'python-mode-hook (lambda () + (run-hooks 'python-mode-defaults)))) + + +(provide 'extensions/python/init)