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elm.el
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elm.el
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;;; elm.el --- Description -*- lexical-binding: t; -*-
;;
;; Copyright (C) 2024 Hamza Hamud
;;
;; Author: Hamza Hamud <self@hamzahamud.com>
;; Maintainer: Hamza Hamud <self@hamzahamud.com>
;; Created: March 24, 2024
;; Modified: May 13, 2024
;; Version: 0.0.2
;; Homepage: https://github.com/hhamud/elm
;; Package-Requires: ((emacs "29.1"))
;;
;; This file is not part of GNU Emacs.
;;
;;; Commentary:
;;
;; Description
;;
;;; Code:
;;;
;;;
(require 'request)
(require 'cl-lib)
(require 'transient)
(require 'auth-source)
(require 'json)
(require 'org)
;; ------------------------------------------
;; Constants and Variables
;; ------------------------------------------
(defgroup elm nil
"Emacs Language Model interface."
:group 'tools
:prefix "elm-")
(defcustom elm-env-file (expand-file-name "~/.authinfo.gpg")
"Path to the .env file containing API keys."
:type 'file
:group 'elm)
;; set json-false to nil as stream is set to nil
(setq json-false nil)
(defvar elm--api-keys (make-hash-table :test 'equal)
"Hash table to store API keys.")
(defvar elm--api-urls (make-hash-table :test 'equal)
"Hash table to store api urls.")
(defvar elm--models-file (expand-file-name "~/.elm/model.json")
"File location of the models file.")
(defvar elm--current-model nil "Current model that is running.")
(defvar elm--current-provider nil "Current model that is running.")
(defvar elm--progress-reporter nil "Progress reporter for ELM.")
;; ------------------------------------------
;; Utility Functions
;; ------------------------------------------
(defun elm--read-auth (&rest keys)
"Read the authsource file using the KEYS as selector."
(let ((result (apply #'auth-source-search keys)))
(if result
(funcall (plist-get (car result) :secret))
nil)))
(defun elm--read-auth-source ()
"Read the auth source and fetches keys."
(let ((api-keys elm--api-keys))
(puthash "CLAUDE" (elm--read-auth :host "elm" :user "CLAUDE") api-keys)
(puthash "GROQ" (elm--read-auth :host "elm" :user "GROQ") api-keys)
api-keys))
(defun elm--create-dir ()
"Create the hidden .elm directory in the home directory.
Create an additional models.json file populated with the
provider urls and models list."
(let* ((dir (expand-file-name "~/.elm"))
(json-data
'(:claude (:baseurl "https://api.anthropic.com/v1"
:geturl ""
:chaturl "/messages"
:models ["claude-3-haiku-20240307"
"claude-3-sonnet-20240229"
"claude-3-5-sonnet-20240620"
"claude-3-opus-20240229"])
:groq (:baseurl "https://api.groq.com/openai/v1" :geturl "/models" :chaturl "/chat/completions" :models [])
:ollama (:baseurl "http://localhost:11434" :geturl "/api/tags" :chaturl "/api/chat" :models [])))
(json-encoding-pretty-print t))
(unless (file-exists-p dir)
(make-directory dir)
(with-temp-file elm--models-file
(insert (json-encode json-data))))))
(defun elm--create-url (model get)
"Create the MODEL GET url from the json file."
(let* ((json-data (elm--read-json))
(urls (elm--extract-urls json-data get))
(model-url (assoc model urls)))
(if model-url
(cadr model-url)
(error "Model URL not found: %s" model))))
(defun elm--extract-urls (data get)
"Extract DATA from the model json file.
Choose either the GET url or the chat url"
(let ((result '()))
(dolist (provider data)
(let* ((baseurl (cdr (assoc 'baseurl provider)))
(endpoint (cdr (assoc get provider)))
(full-url (if endpoint
(concat baseurl endpoint)
baseurl)))
(push (list (car provider) full-url) result)))
(nreverse result)))
(defun elm--read-json ()
"Read json file from .elm folder."
(with-temp-buffer
(insert-file-contents elm--models-file)
(goto-char (point-min))
(json-read)))
(defun elm--get-api-key (service)
"Get the API key for SERVICE."
(or (gethash service elm--api-keys)
(user-error "API key for %s not found. Please set it in %s" service elm-env-file)))
(defun elm--construct-headers (model)
"Construct headers for API request for each MODEL."
(let ((headers '(("Content-Type" . "application/json"))))
(cond
((string= model "claude")
(progn
(push `("x-api-key" . ,(elm--get-api-key "CLAUDE")) headers)
(push '("anthropic-version" . "2023-06-01") headers)))
((string= model "groq")
(push `("Authorization" . ,(concat "Bearer " (elm--get-api-key "GROQ"))) headers))
(t nil))
headers))
(defun elm--select-model ()
"Prompt the user to select a model from all available providers."
(interactive)
(let* ((json-object-type 'hash-table)
(json-array-type 'list)
(json-key-type 'string)
(json-file elm--models-file) ; Replace with actual path
(json-data (json-read-file json-file))
(model-options '()))
;; Collect all models from all providers
(maphash (lambda (provider provider-data)
(let ((models (gethash "models" provider-data)))
(dolist (model models)
(push (cons model (cons model provider))
model-options))))
json-data)
;; Sort model options alphabetically
(setq model-options (sort model-options (lambda (a b) (string< (car a) (car b)))))
;; Prompt user to select a model
(let* ((selected-option (completing-read "Select Model: " model-options nil t))
(selected-model-data (cdr (assoc selected-option model-options))))
(setq elm--current-model (car selected-model-data))
(setq elm--current-provider (cdr selected-model-data))
(message "Selected model: %s (Provider: %s)" elm--current-model elm--current-provider))))
;; ------------------------------------------
;; Transient Functions
;; ------------------------------------------
(transient-define-prefix elm-transient ()
["Arguments"
("m" "Model" elm--select-model)])
(defun elm--progress-reporter (operation)
"Progress reporter for elm OPERATION should be 'start, or 'done."
(pcase operation
('start (setq elm--progress-reporter (make-progress-reporter "ELM: Waiting for response from servers..." nil nil)))
('done (progress-reporter-done elm--progress-reporter))))
(defun elm--construct-content (content)
"Construct the CONTENT to send to the API."
`(("model" . ,elm--current-model)
("messages" . ((("role" . "user")
("content" . ,content))))
,@(cond ((string= "claude" elm--current-provider)
'(("max_tokens" . 1024)))
((string= "ollama" elm--current-provider)
'(("stream" . nil))))))
(defun elm--update-model-list (json-file provider lisp-data)
"Extract model list from LISP-DATA and update JSON-FILE for the specified PROVIDER."
(let* ((json-object-type 'hash-table)
(json-array-type 'list)
(json-key-type 'string)
;;(data-array (cdr (assoc 'models lisp-data)))
(provider-key (symbol-name provider))
(json-data (json-read-file json-file))
(model-list (if (string= provider-key "groq")
(progn
;; groq parser
(mapcar (lambda (item)
(let ((result (list)))
(dolist (pair item)
(setq result (cons pair result)))
result)) (cdr (assoc 'data lisp-data))))
;; ollama parse
(mapcar (lambda (item)
(cdr (assoc 'model item))) (cdr (assoc 'models lisp-data))))))
(if (gethash provider-key json-data)
(progn
(if (string= provider-key "groq")
;; groq model parser
(progn
(puthash "models"
(mapcar (lambda (x) (cdr (assoc 'id x))) model-list)
(gethash provider-key json-data)))
;; ollama model parser
(progn
(puthash "models" model-list
(gethash provider-key json-data))))
(with-temp-file json-file
(insert (json-encode json-data)))
(message "Updated model list for %s in %s" provider-key json-file))
(error "Provider %s not found in the JSON file" provider-key))))
(defun elm--update-models (model)
"Update the MODEL list for each provider."
(let ((url (elm--create-url model 'geturl)))
(request url
:type "GET"
:headers (elm--construct-headers model)
:parser 'json-read
:success (cl-function
(lambda (&key data &allow-other-keys)
(elm--update-model-list elm--models-file model data)))
:error (cl-function
(lambda (&key response &allow-other-keys)
(let* ((error-data (request-response-data response))
(error-type (cdr (assoc 'type (cdr (assoc 'error error-data)))))
(error-message (cdr (assoc 'message (cdr (assoc 'error error-data))))))
(message "Error: %s -%s" error-type error-message)))))))
(defun elm--create-or-switch-to-named-frame (frame-name)
"Switch FRAME to FRAME-NAME or create it."
(let ((existing-frame (cl-find-if (lambda (f)
(string= (frame-parameter f 'name) frame-name))
(frame-list))))
(if existing-frame
(select-frame-set-input-focus existing-frame)
(make-frame `((name . ,frame-name))))))
(defun elm--parse-response (input output &optional code-block)
"Parse the INPUT and OUTPUT into an org compatible format."
(let ((buffer-name "*elm*"))
(with-current-buffer (get-buffer-create buffer-name)
(goto-char (point-max))
(newline)
(newline)
(org-mode)
(if (null code-block)
(insert (format "* %s" input))
(insert (format "* %s\n%s" input code-block)))
(newline)
(newline)
(insert (elm--parse-code-blocks output))
(elm--create-or-switch-to-named-frame buffer-name))))
(defun elm--parse-code-blocks (content)
"Convert any code CONTENT from markdown to org-code-blocks."
(shell-command-to-string (format "pandoc -f markdown -t org <(echo %s)" (shell-quote-argument content))))
(defun elm--process-ollama-response (input response &optional code-block)
"Process the RESPONSE from the CLAUDE API with original INPUT."
(elm--parse-response input (cdr (assoc 'content (cdr (assoc 'message response)))) code-block))
(defun elm--process-claude-response (input response &optional code-block)
"Process the RESPONSE from the CLAUDE API with original INPUT."
(let* ((resp-text (cdr (assoc 'content response)))
(final-resp (cdr (assoc 'text (aref resp-text 0)))))
(elm--parse-response input final-resp code-block)))
(defun elm--process-groq-response (input response &optional code-block)
"Extract the content from the RESPONSE and add the original INPUT."
(let* ((choices (cdr (assoc 'choices response)))
(first-choice (aref choices 0))
(message (cdr (assoc 'message first-choice)))
(content (cdr (assoc 'content message))))
(elm--parse-response input content code-block)))
(defun elm--process-request (input &optional code-block)
"Send the INPUT request to CLAUDE."
(elm--read-auth-source)
(elm--progress-reporter 'start)
(let* ((model (intern elm--current-provider))
(url (elm--create-url model 'chaturl))
(headers (elm--construct-headers model)))
(request url
:type "POST"
:headers headers
:data (json-encode (elm--construct-content (concat input code-block)))
:parser 'json-read
:success (cl-function
(lambda (&key data &allow-other-keys)
(elm--progress-reporter 'done)
(cond
((string= "claude" elm--current-provider)(elm--process-claude-response input data code-block))
((string= "groq" elm--current-provider)(elm--process-groq-response input data code-block))
(t (elm--process-ollama-response input data code-block)))))
:error (cl-function
(lambda (&key response &allow-other-keys)
(elm--progress-reporter 'done)
(let* ((error-data (request-response-data response))
(error-type (cdr (assoc 'type (cdr (assoc 'error error-data)))))
(error-message (cdr (assoc 'message (cdr (assoc 'error error-data))))))
(message "Error: %s -%s" error-type error-message)))))))
(defun elm--get-buffer-language ()
"Extract the language name from the current buffer's major mode."
(let* ((mode-name (symbol-name major-mode))
(lang-name (replace-regexp-in-string "-mode$" "" mode-name)))
lang-name))
;; ------------------------------------------
;; Interactive functions
;; ------------------------------------------
(defun elm-run ()
"Reads the entire file from the most recent org header to the end of the buffer."
(interactive)
(save-excursion
(let ((start-point (point))
(end-point (point-max))
(content ""))
;; Move to the beginning of the buffer
(goto-char (point-min))
;; Find the most recent org header
(if (re-search-forward "^\*+ " nil t)
(progn
(beginning-of-line)
(setq start-point (point)))
(message "No org header found."))
;; Read the content from the start point to the end of the buffer
(setq content (buffer-substring-no-properties start-point end-point))
;; Do something with the content (e.g., display it in a message)
(message "Content from the most recent org header to the end:
%s" content))))
(defun elm-code-rewrite (prompt start end)
"Rewrite specific using the PROMPT and area from START to END requested."
(interactive "sPrompt: \nr")
(let ((code-block (format "#+begin_src %s\n%s\n#+end_src" (elm--get-buffer-language)
(buffer-substring-no-properties start end))))
(elm--process-request prompt code-block)))
(defun elm-text-rewrite (prompt start end)
"Rewrite specific using the PROMPT and area from START to END requested."
(interactive "sPrompt: \nr")
(let ((code-block (buffer-substring-no-properties start end)))
(elm--process-request prompt code-block)))
(defun elm-send-request (input)
"Send the INPUT request to CLAUDE."
(interactive "sPrompt: ")
(elm--process-request input))
(defun elm-menu()
"Select the menu for elm."
(interactive)
(elm-transient))
(provide 'elm)
;;; elm.el ends here