/
open_ai.clj
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/
open_ai.clj
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(ns clj-turing-test.open-ai
(:require [clojure.string :as str]
[clojure.java.io :as io]
[org.httpkit.client :as http]
[org.httpkit.sni-client :as sni-client]
[cheshire.core :as json]))
;;;;; Config and basics
;; Change default client for your whole application:
(alter-var-root #'org.httpkit.client/*default-client* (fn [_] sni-client/default-client))
(def API_KEY (System/getenv "OPENAI_API_KEY"))
(defn -api-openai [endpoint & {:keys [body multipart version method] :or {version "v1" method :get}}]
(assert (or (and body (not multipart))
(and (not body) multipart)
(and (not body) (not multipart))))
(let [url (str "https://api.openai.com/" version "/" endpoint)
method (if body :post method)
auth {"Authorization" (str "Bearer " API_KEY)}
content-type (cond body {"Content-Type" "application/json"}
multipart {"Content-Type" "multipart/form-data"}
:else {})
callback (fn [{:keys [status headers body error]}]
(if error
(println "FAILED: " error)
body))
min-opts {:url url :method method :headers (merge auth content-type)}
opts (cond body (merge min-opts {:body (json/encode body)})
multipart (merge min-opts {:multipart multipart})
:else min-opts)]
@(http/request opts callback)))
;;;;;;;;;; Models
(defn models []
(-> (-api-openai "models")
json/decode
(get "data")))
;;;;;;;;;; Text-related API
(defn -filter-nil [m]
(into {} (keep (fn [e] (if (val e) e)) m)))
(defn completion [prompt & {:keys [model max-tokens temperature count echo stop presence-penalty frequency-penalty logprobs best-of]
:or {model "text-davinci-003" max-tokens 2048 temperature 1.0 count 1 echo false
presence-penalty 0 frequency-penalty 0 best-of 1}}]
;; TODO - stream logit_bias user
(assert (>= 2048 max-tokens))
(assert (>= 2.0 temperature 0.0))
(assert (or (nil? stop) (string? stop) (every? string? stop)))
(assert (>= 2.0 presence-penalty -2.0))
(assert (>= 2.0 frequency-penalty -2.0))
(assert (or (nil? logprobs) (>= 5 logprobs 1)))
(assert (or (>= best-of count)))
(json/decode
(-api-openai
"completions"
:body (-filter-nil
{:prompt prompt
:model model
:n count
:max_tokens max-tokens
:echo (boolean echo)
:temperature temperature
:stop stop
:logprobs logprobs
:presence_penalty presence-penalty
:frequency_penalty frequency-penalty
:best_of best-of}))))
(defn chat [messages & {:keys [model temperature count max-tokens stop presence-penalty frequency-penalty]
:or {model "gpt-3.5-turbo" temperature 1.0 count 1
presence-penalty 0 frequency-penalty 0}}]
;; TODO - stream logit_bias user
(assert
(every?
(fn [msg]
(and (select-keys msg [:role :content :name])
(#{:system :user :assistant} (:role msg))
(string? (:content msg))))
messages))
(assert (>= 2.0 temperature 0.0))
(assert (or (nil? max-tokens) (>= max-tokens 1)))
(assert (or (nil? stop) (string? stop) (every? string? stop)))
(assert (>= 2.0 presence-penalty -2.0))
(assert (>= 2.0 frequency-penalty -2.0))
(json/decode
(-api-openai
"chat/completions"
:body (-filter-nil
{:model model
:n count :temperature temperature
:max_tokens max-tokens
:stop stop
:presence_penalty presence-penalty
:frequency_penalty frequency-penalty
:messages messages}))))
;;;;; File-related section
;;;;;;;;;; Utility
(defn map->multipart
"General file request utility. Takes a map and returns a multi-part set of parameters suitable for feeding into the API"
[m]
(->> m
(map
(fn [[k v]]
(let [res {:name (if (keyword? k) (name k) (str k))
:content (cond (keyword? v) (name v)
(= java.io.File (class v)) v
:else (str v))}]
(if (= java.io.File (class v))
(assoc res :filename (.getName v))
res))))
(into [])))
;;;;;;;;;; Audio API
(defn -api-audio [endpoint filename {:keys [prompt model response-format temperature language] :or {prompt "" model "whisper-1" response-format :json temperature 1.0 language "en"}}]
(let [file (io/file filename)]
(assert (.exists file))
(assert (>= 1.0 temperature 0.0))
(assert (#{:json :text :srt :verbose_json :vtt} response-format))
(let [res (-api-openai
(str "audio/" endpoint)
:method :post
:multipart (map->multipart
{:language language
:temperature temperature
:model model
:prompt prompt
:response_format response-format
:file file}))]
(if (#{:json :verbose_json} response-format)
(json/decode res)
res))))
(defn transcription [filename & {:keys [prompt response-format temperature language] :as opts}]
(-api-audio "transcriptions" filename opts))
(defn translation [filename & {:keys [prompt response-format temperature] :as opts}]
(-api-audio "translations" filename opts))
;;;;;;;;;; Images API
(defn -image-resp [format response]
(let [res-slot (name format)
decoded (json/decode response)
eget (fn [k] (get-in decoded ["error" k]))]
(if (contains? decoded "error")
(cond (str/starts-with? (eget "message") "Your request was rejected as a result of our safety system")
{:state :error
:type :safety-error}
(= "server_error" (eget "type"))
{:state :error :type :server-error}
:else
{:state :error
:type (keyword (eget "type"))
:code (eget "code")
:param (eget "param")
:message (eget "message")})
(map #(get % res-slot) (get decoded "data")))))
(defn image-url->file [url path]
@(http/get
url {:as :byte-array}
(fn [{:keys [status headers body error opts]}]
(if (= 200 status)
(with-open [w (java.io.BufferedOutputStream. (java.io.FileOutputStream. path))]
(.write w body))
error))))
(defn image [prompt & {:keys [count size response-format] :or {count 1 size 1024 response-format :url}}]
(assert (>= 10 count 1))
(assert (#{256 512 1024} size))
(assert (#{:url :b64_json} response-format))
(-image-resp
response-format
(-api-openai
"images/generations"
:body {:prompt prompt
:n count
:size (str size "x" size)
:response_format response-format})))
(defn image-edit [filename prompt & {:keys [mask count size response-format] :or {size 1024 response-format :url count 1} :as opts}]
(assert (#{:url :b64_json} response-format))
(assert (#{256 512 1024} size))
(assert (>= 10 count 1))
(let [file (io/file filename)
mfile (io/file (io/resource (or mask (str "mask-" size ".png"))))]
(assert (.exists file))
(assert (.exists mfile))
(let [props {:n count :size (str size "x" size)
:response_format response-format
:image file :mask mfile}
multipart (map->multipart (if prompt (assoc props :prompt prompt) props))]
(-image-resp
response-format
(-api-openai "images/edits"
:method :post :multipart multipart)))))
(defn image-variations [filename & {:keys [count size response-format] :or {size 1024 response-format :url count 1} :as opts}]
(assert (#{:url :b64_json} response-format))
(assert (#{256 512 1024} size))
(assert (>= 10 count 1))
(let [file (io/file filename)]
(assert (.exists file))
(let [props {:n count :size (str size "x" size) :response_format response-format :image file}
multipart (map->multipart props)]
(-image-resp response-format (-api-openai "images/variations" :method :post :multipart multipart)))))