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;;; ai-config.el --- Configuration for AI Integrations -*- lexical-binding: t; -*-
;; author Craig Jennings <c@cjennings.net>
;;; Commentary:
;; There are several workflows available. Here are the ones I use most.
;; - Launch GPTel and chat with the AI in a separate buffer.
;; Chatting is fine, but it can mean cutting and pasting code back and forth
;; between buffers.
;; - Select a region and launch GPTel.
;; The region is automatically inserted into the buffer making it easy to
;; simply ask a question after it's read the code.
;; Note that you can save a file, then turn on gptel-mode to resume your
;; conversation.
;; Remember that sending the message requires C-<return>.
;;; Code:
(defvar default-directive
"You are a large language model living in Emacs. You understand philosophy, critical theory, and comparative
literature at a university graduate student level. You are concise and always provide references to source material.")
(defvar code-only-directive
"You are a large language model living in Emacs. You are an expert in emacs-lisp, Python, Golang, and Shell scripting.
You encourage unit testing and always provide unit tests when you provide code.")
(defvar writing-directive
"You are a large language model and a writing assistant. Respond concisely.")
(defvar chat-directive
"You are a large language model and a funny conversation partner who asks good questions.")
;; -------------------------------- Toggle GPTel -------------------------------
;; Toggle GPTel's buffer in a side window
(defun cj/toggle-gptel ()
"Toggle the visibility of the ChatGPT buffer without prompting for a name."
(interactive)
(let ((buffer (get-buffer "*AI-Assistant*")))
(if (and buffer (get-buffer-window buffer))
(delete-window (get-buffer-window buffer))
(if buffer
(display-buffer-in-side-window buffer '((side . right) (window-width . 0.4)))
;; Call gptel with a fixed buffer name to skip prompt
(gptel "*AI-Assistant*" gptel-model)))))
;; ;; defer prefixing the prompt until gptel is actually loaded
;; (with-eval-after-load 'gptel
;; ;; Define the var if the package hasn't yet
;; (unless (boundp 'gptel-prompt-prefix-alist)
;; (defvar gptel-prompt-prefix-alist nil
;; "Alist mapping major modes to prompt prefixes for gptel.")
;; (add-to-list 'gptel-prompt-prefix-alist
;; (cons 'org-mode
;; (concat "*** cj "
;; (format-time-string "[%Y-%m-%d %H:%M:%S]")
;; "\n")))))
;; ----------------------------------- GPTel -----------------------------------
;; Emacs integration with large language models
(use-package gptel
:defer .5
:commands (gptel gptel-send)
:bind
(("C-h G" . cj/toggle-gptel)
("<f9>" . cj/toggle-gptel)
(:map gptel-mode-map
("C-<return>" . gptel-send)))
:custom
(gptel-default-mode 'org-mode)
(gptel-expert-commands t)
(gptel-track-media t)
(gptel-include-reasoning 'ignore)
(gptel-model 'gpt-4o)
(gptel-log-level 'info)
(gptel--debug nil)
:config
(setq gptel-directives
`((default . ,default-directive)
(code-only . ,code-only-directive)
(writing . ,writing-directive)
(chat . ,chat-directive)))
;; fancy prompt
(add-to-list 'gptel-prompt-prefix-alist
(cons 'org-mode
(concat "*** cj "
(format-time-string "[%Y-%m-%d %H:%M:%S]")
"\n")))
;; Grab the secret from the auth file
(setq auth-sources `((:source ,authinfo-file)))
(setq gptel-api-key (auth-source-pick-first-password :host "api.openai.com")))
;; -------------------------- GPTel Fancy Org Headers --------------------------
;; each response will be generated under it's own org mode header with backend
;; and model indicated. This is useful for leveraging several LLMs and comparing
;; and saving responses between them.
(defun cj/gptel-backend-and-model ()
"Return gptel backend and model with timestamp in the desired format."
(let ((backend (if (boundp 'gptel-backend) (aref gptel-backend 1)))
(model (if (boundp 'gptel-model) gptel-model))
(timestamp (format-time-string "[%Y-%m-%d %H:%M:%S]")))
(format "%s: %s %s" backend model timestamp)))
(defun cj/gptel-insert-model-in-non-gptel-buffers ()
"Add the backend, model, and timestamp in non-dedicated GPTel buffers.
To be used in `gptel-pre-response-hook`."
(unless (member 'gptel-mode local-minor-modes)
(goto-char (point-max))
(insert (format "\n%s: " (cj/gptel-backend-and-model)))
(goto-char (point-max))))
(defun cj/gptel-insert-model-in-chat-buffers (response-begin-pos response-end-pos)
"Add the backend, model, and timestamp in dedicated chat buffers.
Can be used with the `gptel-post-response-functions` hook."
(let* ((gptel-org-prefix (alist-get 'org-mode gptel-prompt-prefix-alist))
(inserted-string (format "%s %s\n"
(substring gptel-org-prefix 0 (string-match " " gptel-org-prefix))
(cj/gptel-backend-and-model)))
(len-inserted (length inserted-string)))
(goto-char response-begin-pos)
(insert inserted-string)
(goto-char (+ response-end-pos len-inserted))))
;; (defun cj/gptel-backend-and-model ()
;; "Return gptel backend and model (if any)."
;; (let ((backend (if (boundp 'gptel-backend) (aref gptel-backend 1)))
;; (model (if (boundp 'gptel-model) gptel-model)))
;; (format "(%s %s)" backend model)))
;; (defun cj/gptel-insert-model-in-non-gptel-buffers ()
;; "This function will add the backend and model in the \"dynamic\" buffers, not in dedicated chat buffers.
;; To be used in `gptel-pre-response-hook'."
;; (unless (member 'gptel-mode local-minor-modes)
;; (goto-char (point-max))
;; (insert (format "\n%s: " (cj/gptel-backend-and-model)))
;; (goto-char (point-max))))
;; (add-hook 'gptel-pre-response-hook 'cj/gptel-insert-model-in-non-gptel-buffers)
;; (defun cj/gptel-insert-model-in-chat-buffers (response-begin-pos response-end-pos)
;; "This function adds the backend and model in dedicated chat buffers.
;; Can be used with the `gptel-post-response-functions' hook."
;; (let* ((gptel-org-prefix (alist-get 'org-mode gptel-prompt-prefix-alist))
;; (inserted-string (format "%s %s\n"
;; (substring gptel-org-prefix 0 (string-match " " gptel-org-prefix))
;; (cj/gptel-backend-and-model)))
;; (len-inserted (length inserted-string )))
;; (goto-char response-begin-pos)
;; (insert inserted-string)
;; (goto-char (+ response-end-pos len-inserted))))
;; (add-hook 'gptel-post-response-functions 'cj/gptel-insert-model-in-chat-buffers)
(provide 'ai-config)
;;; ai-config.el ends here
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