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[nongnu] elpa/gptel 99aa8dcc5f 001/273: Add gptel.el and a README.
From: |
ELPA Syncer |
Subject: |
[nongnu] elpa/gptel 99aa8dcc5f 001/273: Add gptel.el and a README. |
Date: |
Wed, 1 May 2024 10:01:24 -0400 (EDT) |
branch: elpa/gptel
commit 99aa8dcc5ff17f0f275c3adbda160bafa44fa9bf
Author: Karthik Chikmagalur <karthikchikmagalur@gmail.com>
Commit: Karthik Chikmagalur <karthikchikmagalur@gmail.com>
Add gptel.el and a README.
---
README.org | 70 ++++++++++++++++++++++
gptel.el | 186 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
img/gptel.png | Bin 0 -> 235215 bytes
3 files changed, 256 insertions(+)
diff --git a/README.org b/README.org
new file mode 100644
index 0000000000..4fd7d0af25
--- /dev/null
+++ b/README.org
@@ -0,0 +1,70 @@
+#+title: GPTel: A simple ChatGPT client for Emacs
+
+GPTel is a simple, no-frills ChatGPT client for Emacs.
+
+[[file:img/gptel.png]]
+
+- Requires an [[https://platform.openai.com/account/api-keys][OpenAI API key]].
+- No external dependencies, only Emacs. Also, it's async.
+- Interaction is in a Markdown (or text) buffer.
+- Supports conversations (not just one-off queries) and multiple independent
sessions.
+- You can go back and edit your previous prompts, or even ChatGPT's previous
responses when continuing a conversation. These will be fed back to ChatGPT.
+
+** Installation
+
+*** Package.el
+Clone this repository and run =M-x package-install-file=.
+
+Installing the =markdown-mode= package is optional.
+
+*** Straight
+#+begin_src emacs-lisp
+ (straight-use-package '(gptel :host github :repo "karthink/gptel"))
+#+end_src
+
+Installing the =markdown-mode= package is optional.
+
+*** Manual
+Install =emacs-aio=, (=M-x package-install⏎= =emacs-aio⏎=), then clone this
repository and load this file:
+#+begin_src emacs-lisp
+(add-to-list 'load-path "/path/to/gptel/")
+(require 'gptel)
+#+end_src
+
+Installing the =markdown-mode= package is optional.
+
+** Usage
+
+Procure an [[https://platform.openai.com/account/api-keys][OpenAI API key]].
+
+(Optional: Set =gptel-api-key= to the key or to a function that returns the
key.)
+
+Run =M-x gptel= to start or switch to the ChatGPT buffer. (It will ask you for
the key if you skipped the previous step.)
+
+Run it with a prefix-arg (=C-u M-x gptel=) to start a new session.
+
+In the gptel buffer, send your prompt with =M-x gptel-send=, bound to =C-c
RET=.
+
+That's it. You can go back and edit previous prompts and responses if you want.
+
+** Why another ChatGPT client?
+
+Existing Emacs clients don't /reliably/ let me use it the simple way I can in
the browser. (They will get better, but I wanted something for now.)
+
+Also, AI-assisted work is a new way to use Emacs. It's not yet clear what the
best Emacs interface to tools like it is.
+
+- Should it be part of CAPF (=completions-at-point-functions=)?
+- A dispatch menu from anywhere that can act on selected regions?
+- A comint/shell-style REPL?
+- One-off queries in the minibuffer (like =shell-command=)?
+- A refactoring tool in code buffers?
+- An =org-babel= interface?
+
+Maybe all of these, I don't know yet. As a start, I wanted to replicate the
web browser usage pattern so I can build from there -- and don't need to switch
to the browser every time. As a minimal functional interface, the code is very
small right now at ~170 lines.
+
+** Will you add feature X?
+
+Maybe, I'd like to experiment a bit first.
+
+- Support for Org Mode instead of Markdown, including source blocks etc, is
planned.
+- I'm experimenting with using it in code buffers.
diff --git a/gptel.el b/gptel.el
new file mode 100644
index 0000000000..f2aa058867
--- /dev/null
+++ b/gptel.el
@@ -0,0 +1,186 @@
+;;; gptel.el --- Interact with ChatGPT from Emacs -*- lexical-binding: t;
-*-
+
+;; Copyright (C) 2023 Karthik Chikmagalur
+
+;; Author: Karthik Chikmagalur
+;; Version: 0.05
+;; Package-Requires: ((emacs "27.1") (aio "1.0"))
+;; Keywords: convenience
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; REQUIREMENTS:
+;; - You need an OpenAI API key. Set the variable `gptel-api-key' to the key
or to
+;; a function of no arguments that returns the key.
+;;
+;; - Install the package `emacs-aio' using `M-x package-install' or however
you install packages.
+;;
+;; - Not required but recommended: Install `markdown-mode'.
+;;
+;; USAGE:
+;; - M-x gptel: Start a ChatGPT session
+;; - C-u M-x gptel: Start another or multiple independent ChatGPT sessions
+;;
+;; - In the GPT session: Press `C-c RET' (control + c, followed by return) to
send
+;; your prompt.
+;; - To jump between prompts, use `C-c C-n' and `C-c C-p'.
+
+;;; Code:
+(declare-function markdown-mode "markdown-mode")
+(eval-when-compile
+ (require 'subr-x))
+
+(require 'aio)
+(require 'json)
+(require 'map)
+
+(defcustom gptel-api-key nil
+ "An OpenAI API key (string), or a function of no arguments that
+returns an API key."
+ :type '(choice
+ (string :tag "API key")
+ (function :tag "Function that retuns the API key")))
+
+;;;###autoload
+(defun gptel (name &optional api-key)
+ "Switch to or start ChatGPT session with NAME.
+
+With a prefix arg, query for a (new) session name.
+
+Ask for API-KEY if `gptel-api-key' is unset."
+ (interactive (list (if current-prefix-arg
+ (read-string "Session name: "
(generate-new-buffer-name gptel-default-session))
+ gptel-default-session)
+ (or gptel-api-key
+ (read-string "OpenAI API key: "))))
+ (unless gptel-api-key
+ (user-error "No API key available"))
+ (with-current-buffer (get-buffer-create name)
+ (unless (eq major-mode gptel-default-mode) (funcall gptel-default-mode))
+ (unless gptel-mode (gptel-mode 1))
+ (if (bobp) (insert gptel-prompt-string))
+ (pop-to-buffer (current-buffer))
+ (goto-char (point-max))
+ (skip-chars-backward "\t\r\n")
+ (setq header-line-format
+ (concat (propertize " " 'display '(space :align-to 0))
+ (format "ChatGPT session (%s)" (buffer-name))))
+ (message "Send your query with %s!"
+ (substitute-command-keys "\\[gptel-send]"))))
+
+(aio-defun gptel-send ()
+ "Submit this prompt to ChatGPT."
+ (interactive)
+ (message "Querying ChatGPT...")
+ (unless (and gptel--prompt-markers
+ (equal (marker-position (car gptel--prompt-markers))
+ (point-max)))
+ (push (set-marker (make-marker) (point-max))
+ gptel--prompt-markers))
+ (let* ((gptel-buffer (current-buffer))
+ (full-prompt
+ (save-excursion
+ (goto-char (point-min))
+ (cl-loop with role = "user"
+ for (pm rm . _) on gptel--prompt-markers
+ collect
+ (list :role role
+ :content
+ (string-trim (buffer-substring-no-properties (or rm
(point-min)) pm)
+ "[*# \t\n\r]+"))
+ into prompts
+ do (setq role (if (equal role "user") "assistant" "user"))
+ finally return (nreverse prompts))))
+ (response-buffer (aio-await (gptel-get-response full-prompt)))
+ (json-object-type 'plist))
+ (unwind-protect
+ (when-let* ((content-str (gptel-parse-response response-buffer)))
+ (with-current-buffer gptel-buffer
+ (save-excursion
+ (message "Querying ChatGPT... done.")
+ (goto-char (point-max))
+ (display-buffer (current-buffer)
+ '((display-buffer-reuse-window
+ display-buffer-use-some-window)))
+ (unless (bobp) (insert "\n\n"))
+ ;; (if gptel-playback-response
+ ;; (aio-await (gptel--playback-print content-str))
+ ;; (insert content-str))
+ (insert content-str)
+ (push (set-marker (make-marker) (point))
+ gptel--prompt-markers)
+ (insert "\n\n" gptel-prompt-string))))
+ (kill-buffer response-buffer))))
+
+(aio-defun gptel-get-response (prompts)
+ ";;TODO:"
+ (let* ((api-key
+ (cond
+ ((stringp gptel-api-key) gptel-api-key)
+ ((functionp gptel-api-key) (funcall gptel-api-key))))
+ (url-request-method "POST")
+ (url-request-extra-headers
+ `(("Content-Type" . "application/json")
+ ("Authorization" . ,(concat "Bearer " api-key))))
+ (url-request-data
+ (json-encode
+ `(:model "gpt-3.5-turbo"
+ ;; :temperature 1.0
+ ;; :top_p 1.0
+ :messages [,@prompts]))))
+ (pcase-let ((`(,status . ,buffer)
+ (aio-await
+ (aio-url-retrieve
"https://api.openai.com/v1/chat/completions"))))
+ buffer)))
+
+(defvar-local gptel--prompt-markers nil)
+(defvar gptel-default-session "*ChatGPT*")
+(defvar gptel-default-mode (if (featurep 'markdown-mode)
+ 'markdown-mode
+ 'text-mode))
+(defvar gptel-prompt-string "### ")
+
+;;;###autoload
+(define-minor-mode gptel-mode
+ "Minor mode for interacting with ChatGPT."
+ :glboal nil
+ :lighter " GPT"
+ :keymap
+ (let ((map (make-sparse-keymap)))
+ (define-key map (kbd "C-c RET") #'gptel-send)
+ map))
+
+(defun gptel-parse-response (response-buffer)
+ "Parse response in RESPONSE-BUFFER."
+ (when (buffer-live-p response-buffer)
+ (with-current-buffer response-buffer
+ (if-let* ((status (buffer-substring (line-beginning-position)
(line-end-position)))
+ ((string-match "200 OK" status))
+ (response (progn (forward-paragraph)
+ (json-read))))
+ (map-nested-elt response '(:choices 0 :message :content))
+ (user-error "Chat failed with status: %S" status)))))
+
+(defvar gptel-playback-response t)
+
+(aio-defun gptel--playback-print (response)
+ (when response
+ (dolist (line (split-string response "\n" nil))
+ (insert line "\n")
+ (aio-await (aio-sleep 0.3)))))
+
+(provide 'gptel)
+;;; gptel.el ends here
diff --git a/img/gptel.png b/img/gptel.png
new file mode 100755
index 0000000000..146caea5e4
Binary files /dev/null and b/img/gptel.png differ
- [nongnu] branch elpa/gptel created (now 97ab6cbd1e), ELPA Syncer, 2024/05/01
- [nongnu] elpa/gptel 99aa8dcc5f 001/273: Add gptel.el and a README.,
ELPA Syncer <=
- [nongnu] elpa/gptel deeb606409 003/273: Update license., ELPA Syncer, 2024/05/01
- [nongnu] elpa/gptel 88995a6436 007/273: gptel-curl: Add curl module and playback feature., ELPA Syncer, 2024/05/01
- [nongnu] elpa/gptel cf6999ac12 002/273: Fix byte-compile warnings, ELPA Syncer, 2024/05/01
- [nongnu] elpa/gptel cd6d90b24d 026/273: gptel-transient: Improve "send in existing/new session" option, ELPA Syncer, 2024/05/01
- [nongnu] elpa/gptel 8fca5bc762 019/273: gptel: Add org-mode support and update README, ELPA Syncer, 2024/05/01
- [nongnu] elpa/gptel 8a6ef565f0 033/273: gptel-transient: Remove unused lexical vars, ELPA Syncer, 2024/05/01
- [nongnu] elpa/gptel 86bf0c9f74 004/273: gptel: Avoid logging url-retrieve messages, ELPA Syncer, 2024/05/01
- [nongnu] elpa/gptel de70a066d7 017/273: gptel: Pulse inserted text, ELPA Syncer, 2024/05/01
- [nongnu] elpa/gptel 65e6d73372 013/273: gptel: Include more API parameters, ELPA Syncer, 2024/05/01
- [nongnu] elpa/gptel 0d26b34526 029/273: gptel: Add a debug flag, ELPA Syncer, 2024/05/01