130 lines
4.5 KiB
EmacsLisp
130 lines
4.5 KiB
EmacsLisp
;; Functions -------------------------------------------------
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(defun setup-keybindings ()
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"Setup default key bindings for python mode"
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;; FIXME: Replace the global key map with python-mode-map
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(global-set-key (kbd "C-c C-b") 'python-add-breakpoint)
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(global-set-key (kbd "C-c C-n") 'python-interactive))
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(defun python--encoding-comment-required-p ()
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(re-search-forward "[^\0-\177]" nil t))
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;;;###autoload
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(defun python--detect-encoding ()
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(let ((coding-system
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(or save-buffer-coding-system
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buffer-file-coding-system)))
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(if coding-system
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(symbol-name
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(or (coding-system-get coding-system 'mime-charset)
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(coding-system-change-eol-conversion coding-system nil)))
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"ascii-8bit")))
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;;;###autoload
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(defun python--insert-coding-comment (encoding)
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(let ((newlines (if (looking-at "^\\s *$") "\n" "\n\n")))
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(insert (format "# coding: %s" encoding) newlines)))
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;;;###autoload
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(defun python-mode-set-encoding ()
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"Insert a magic comment header with the proper encoding if necessary."
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(save-excursion
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(widen)
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(goto-char (point-min))
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(when (prelude-python--encodings-comment-required-p)
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(goto-char (point-min))
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(let ((coding-system (python--detect-encoding)))
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(when coding-system
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(if (looking-at "^#!") (beginning-of-line 2))
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(cond ((looking-at "\\s *#\\s *.*\\(en\\)?coding\\s *:\\s *\\([-a-z0-9_]*\\)")
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;; update existing encoding comment if necessary
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(unless (string= (match-string 2) coding-system)
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(goto-char (match-beginning 2))
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(delete-region (point) (match-end 2))
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(insert coding-system)))
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((looking-at "\\s *#.*coding\\s *[:=]"))
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(t (python--insert-coding-comment coding-system)))
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(when (buffer-modified-p)
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(basic-save-buffer-1)))))))
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;;;###autoload
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(defun python-add-breakpoint ()
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"Add a break point"
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(interactive)
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(newline-and-indent)
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(insert "import ipdb; ipdb.set_trace()")
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(highlight-lines-matching-regexp "^[ ]*import ipdb; ipdb.set_trace()"))
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;;;###autoload
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(defun python-interactive ()
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"Enter the interactive Python environment"
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(interactive)
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(progn
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(newline-and-indent)
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(insert "from IPython import embed; embed()")
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(move-end-of-line 1)))
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;;;###autoload
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(defun python-mode-defaults ()
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"Defaults for Python programming."
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;(require 'anaconda-mode)
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;(require 'eldoc-mode)
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(subword-mode +1)
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;(anaconda-mode 1)
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(eldoc-mode 1)
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(setup-keybindings)
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(with-ability auto-pair
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(setq-local electric-layout-rules
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'((?: . (lambda ()
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(and (zerop (first (syntax-ppss)))
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(python-info-statement-starts-block-p)
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'after))))))
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;; FIXME: we don't use imenu either remove this or
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;; setup imenu too
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(when (fboundp #'python-imenu-create-flat-index)
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(setq-local imenu-create-index-function
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#'python-imenu-create-flat-index))
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(add-hook 'post-self-insert-hook
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#'electric-layout-post-self-insert-function nil 'local)
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;(add-hook 'after-save-hook 'python-mode-set-encoding nil 'local))
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)
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;;;###autoload
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(defun extensions/python-initialize ()
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(message "Initializing 'python' extension.")
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(ability python-editor ()
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"Gives FG42 the ability to edit pytho codes."
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(add-hook 'python-mode-hook 'python-mode-defaults)
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(when (fboundp 'exec-path-from-shell-copy-env)
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(exec-path-from-shell-copy-env "PYTHONPATH"))
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(with-ability kivy-editor
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(add-to-list 'auto-mode-alist
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'("\\.kv\\'" . kivy-mode)))
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(with-ability cython-editor
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(add-to-list 'auto-mode-alist
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'("\\.pyd\\'" . cython-mode))
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(add-to-list 'auto-mode-alist
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'("\\.pyi\\'" . cython-mode))
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(add-to-list 'auto-mode-alist
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'("\\.pyx\\'" . cython-mode))))
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(ability python-code-completion ('code-completion)
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"Gives FG42 the ability to complete python codes."
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;(when (boundp 'company-backends)
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; (add-to-list 'company-backends 'company-anaconda))))
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))
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(provide 'extensions/python/init)
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