Feat/cohere agent implementation (#4703)
* implement cohere agent support * run yarn lint * moderize Cohere add supported langchain method redo streaming since it was not working looping of agent calls was not functioning * change default model to real model tag add case statement for model tag * remove debug * update default * only whitelist known labels --------- Co-authored-by: Timothy Carambat <rambat1010@gmail.com>
This commit is contained in:
Colin Perry
GitHub
parent
62b45a76dc
commit
a8bdc00aba
@ -36,8 +36,8 @@ const ENABLED_PROVIDERS = [
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"foundry",
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"zai",
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"giteeai",
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"cohere",
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// TODO: More agent support.
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// "cohere", // Has tool calling and will need to build explicit support
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// "huggingface" // Can be done but already has issues with no-chat templated. Needs to be tested.
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];
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const WARN_PERFORMANCE = [
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@ -151,6 +151,9 @@ function getModelTag() {
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case "giteeai":
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model = process.env.GITEE_AI_MODEL_PREF;
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break;
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case "cohere":
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model = process.env.COHERE_MODEL_PREF;
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break;
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default:
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model = "--";
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break;
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@ -26,6 +26,7 @@
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"@lancedb/lancedb": "0.15.0",
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"@langchain/anthropic": "0.1.16",
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"@langchain/aws": "^0.0.5",
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"@langchain/cohere": "0.0.11",
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"@langchain/community": "0.0.53",
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"@langchain/core": "0.1.61",
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"@langchain/openai": "0.0.28",
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@ -990,6 +990,8 @@ ${this.getHistory({ to: route.to })
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return new Providers.FoundryProvider({ model: config.model });
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case "giteeai":
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return new Providers.GiteeAIProvider({ model: config.model });
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case "cohere":
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return new Providers.CohereProvider({ model: config.model });
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default:
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throw new Error(
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`Unknown provider: ${config.provider}. Please use a valid provider.`
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@ -13,6 +13,7 @@
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const { v4 } = require("uuid");
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const { ChatOpenAI } = require("@langchain/openai");
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const { ChatAnthropic } = require("@langchain/anthropic");
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const { ChatCohere } = require("@langchain/cohere");
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const { ChatOllama } = require("@langchain/community/chat_models/ollama");
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const { toValidNumber, safeJsonParse } = require("../../../http");
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const { getLLMProviderClass } = require("../../../helpers");
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@ -239,6 +240,11 @@ class Provider {
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apiKey: process.env.GITEE_AI_API_KEY ?? null,
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...config,
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});
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case "cohere":
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return new ChatCohere({
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apiKey: process.env.COHERE_API_KEY ?? null,
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...config,
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});
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// OSS Model Runners
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// case "anythingllm_ollama":
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// return new ChatOllama({
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@ -307,7 +313,6 @@ class Provider {
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...config,
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});
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}
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default:
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throw new Error(`Unsupported provider ${provider} for this task.`);
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}
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251
server/utils/agents/aibitat/providers/cohere.js
Normal file
251
server/utils/agents/aibitat/providers/cohere.js
Normal file
@ -0,0 +1,251 @@
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const { CohereClient } = require("cohere-ai");
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const Provider = require("./ai-provider");
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const InheritMultiple = require("./helpers/classes");
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const UnTooled = require("./helpers/untooled");
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const { v4 } = require("uuid");
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const { safeJsonParse } = require("../../../http");
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class CohereProvider extends InheritMultiple([Provider, UnTooled]) {
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model;
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constructor(config = {}) {
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const { model = process.env.COHERE_MODEL_PREF || "command-r-08-2024" } =
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config;
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super();
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const client = new CohereClient({
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token: process.env.COHERE_API_KEY,
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});
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this._client = client;
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this.model = model;
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this.verbose = true;
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}
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get client() {
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return this._client;
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}
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get supportsAgentStreaming() {
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return true;
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}
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#convertChatHistoryCohere(chatHistory = []) {
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let cohereHistory = [];
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chatHistory.forEach((message) => {
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switch (message.role) {
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case "SYSTEM":
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case "system":
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cohereHistory.push({ role: "SYSTEM", message: message.content });
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break;
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case "USER":
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case "user":
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cohereHistory.push({ role: "USER", message: message.content });
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break;
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case "CHATBOT":
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case "assistant":
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cohereHistory.push({ role: "CHATBOT", message: message.content });
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break;
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}
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});
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return cohereHistory;
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}
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async #handleFunctionCallStream({ messages = [] }) {
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const userPrompt = messages[messages.length - 1]?.content || "";
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const history = messages.slice(0, -1);
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return await this.client.chatStream({
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model: this.model,
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chatHistory: this.#convertChatHistoryCohere(history),
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message: userPrompt,
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});
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}
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async stream(messages, functions = [], eventHandler = null) {
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return await UnTooled.prototype.stream.call(
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this,
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messages,
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functions,
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this.#handleFunctionCallStream.bind(this),
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eventHandler
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);
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}
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async streamingFunctionCall(
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messages,
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functions,
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chatCb = null,
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eventHandler = null
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) {
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const history = [...messages].filter((msg) =>
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["user", "assistant"].includes(msg.role)
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);
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if (history[history.length - 1]?.role !== "user") return null;
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const msgUUID = v4();
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let textResponse = "";
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const historyMessages = this.buildToolCallMessages(history, functions);
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const stream = await chatCb({ messages: historyMessages });
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eventHandler?.("reportStreamEvent", {
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type: "statusResponse",
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uuid: v4(),
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content: "Agent is thinking...",
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});
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for await (const event of stream) {
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if (event.eventType !== "text-generation") continue;
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textResponse += event.text;
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eventHandler?.("reportStreamEvent", {
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type: "statusResponse",
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uuid: msgUUID,
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content: event.text,
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});
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}
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const call = safeJsonParse(textResponse, null);
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if (call === null)
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return { toolCall: null, text: textResponse, uuid: msgUUID };
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const { valid, reason } = this.validFuncCall(call, functions);
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if (!valid) {
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this.providerLog(`Invalid function tool call: ${reason}.`);
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eventHandler?.("reportStreamEvent", {
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type: "removeStatusResponse",
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uuid: msgUUID,
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content:
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"The model attempted to make an invalid function call - it was ignored.",
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});
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return { toolCall: null, text: null, uuid: msgUUID };
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}
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const { isDuplicate, reason: duplicateReason } =
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this.deduplicator.isDuplicate(call.name, call.arguments);
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if (isDuplicate) {
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this.providerLog(
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`Cannot call ${call.name} again because ${duplicateReason}.`
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);
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eventHandler?.("reportStreamEvent", {
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type: "removeStatusResponse",
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uuid: msgUUID,
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content:
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"The model tried to call a function with the same arguments as a previous call - it was ignored.",
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});
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return { toolCall: null, text: null, uuid: msgUUID };
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}
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eventHandler?.("reportStreamEvent", {
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uuid: `${msgUUID}:tool_call_invocation`,
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type: "toolCallInvocation",
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content: `Parsed Tool Call: ${call.name}(${JSON.stringify(call.arguments)})`,
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});
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return { toolCall: call, text: null, uuid: msgUUID };
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}
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/**
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* Stream a chat completion from the LLM with tool calling
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* Override the inherited `stream` method since Cohere uses a different API format.
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*
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* @param {any[]} messages - The messages to send to the LLM.
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* @param {any[]} functions - The functions to use in the LLM.
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* @param {function} eventHandler - The event handler to use to report stream events.
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* @returns {Promise<{ functionCall: any, textResponse: string }>} - The result of the chat completion.
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*/
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async stream(messages, functions = [], eventHandler = null) {
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this.providerLog(
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"CohereProvider.stream - will process this chat completion."
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);
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try {
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let completion = { content: "" };
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if (functions.length > 0) {
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const {
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toolCall,
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text,
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uuid: msgUUID,
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} = await this.streamingFunctionCall(
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messages,
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functions,
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this.#handleFunctionCallStream.bind(this),
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eventHandler
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);
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if (toolCall !== null) {
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this.providerLog(`Valid tool call found - running ${toolCall.name}.`);
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this.deduplicator.trackRun(toolCall.name, toolCall.arguments, {
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cooldown: this.isMCPTool(toolCall, functions),
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});
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return {
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result: null,
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functionCall: {
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name: toolCall.name,
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arguments: toolCall.arguments,
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},
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cost: 0,
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};
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}
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if (text) {
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this.providerLog(
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`No tool call found in the response - will send as a full text response.`
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);
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completion.content = text;
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eventHandler?.("reportStreamEvent", {
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type: "removeStatusResponse",
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uuid: msgUUID,
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content: "No tool call found in the response",
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});
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eventHandler?.("reportStreamEvent", {
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type: "statusResponse",
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uuid: v4(),
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content: "Done thinking.",
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});
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eventHandler?.("reportStreamEvent", {
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type: "fullTextResponse",
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uuid: v4(),
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content: text,
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});
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}
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}
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if (!completion?.content) {
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eventHandler?.("reportStreamEvent", {
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type: "statusResponse",
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uuid: v4(),
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content: "Done thinking.",
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});
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this.providerLog(
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"Will assume chat completion without tool call inputs."
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);
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const msgUUID = v4();
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completion = { content: "" };
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const stream = await this.#handleFunctionCallStream({
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messages: this.cleanMsgs(messages),
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});
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for await (const chunk of stream) {
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if (chunk.eventType !== "text-generation") continue;
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completion.content += chunk.text;
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eventHandler?.("reportStreamEvent", {
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type: "textResponseChunk",
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uuid: msgUUID,
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content: chunk.text,
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});
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}
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}
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this.deduplicator.reset("runs");
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return {
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textResponse: completion.content,
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cost: 0,
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};
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} catch (error) {
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throw error;
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}
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}
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getCost(_usage) {
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return 0;
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}
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}
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module.exports = CohereProvider;
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@ -28,6 +28,7 @@ const MoonshotAiProvider = require("./moonshotAi.js");
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const CometApiProvider = require("./cometapi.js");
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const FoundryProvider = require("./foundry.js");
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const GiteeAIProvider = require("./giteeai.js");
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const CohereProvider = require("./cohere.js");
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module.exports = {
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OpenAIProvider,
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@ -60,4 +61,5 @@ module.exports = {
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MoonshotAiProvider,
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FoundryProvider,
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GiteeAIProvider,
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CohereProvider,
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};
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@ -219,6 +219,11 @@ class AgentHandler {
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case "giteeai":
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if (!process.env.GITEE_AI_API_KEY)
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throw new Error("GiteeAI API Key must be provided to use agents.");
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break;
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case "cohere":
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if (!process.env.COHERE_API_KEY)
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throw new Error("Cohere API key must be provided to use agents.");
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break;
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default:
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throw new Error(
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"No workspace agent provider set. Please set your agent provider in the workspace's settings"
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@ -297,6 +302,8 @@ class AgentHandler {
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return process.env.FOUNDRY_MODEL_PREF ?? null;
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case "giteeai":
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return process.env.GITEE_AI_MODEL_PREF ?? null;
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case "cohere":
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return process.env.COHERE_MODEL_PREF ?? "command-r-08-2024";
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default:
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return null;
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}
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@ -814,7 +814,7 @@ async function getCohereModels(_apiKey = null, type = "chat") {
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.then((results) => results.models)
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.then((models) =>
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models.map((model) => ({
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id: model.id,
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id: model.name,
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name: model.name,
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}))
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)
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@ -1952,6 +1952,14 @@
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"@langchain/core" ">=0.2.16 <0.3.0"
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zod-to-json-schema "^3.22.5"
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"@langchain/cohere@0.0.11":
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version "0.0.11"
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resolved "https://registry.yarnpkg.com/@langchain/cohere/-/cohere-0.0.11.tgz#ba34117d589186c33fba4d677784132f6768958c"
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integrity sha512-BFLXXyJzomWRIINja43IOckuaaz+FkQY1njaoBQRqUxy+yCIQv2SUTo20AWwUPczsxhspFbu7NEp5qxCjvWqEg==
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dependencies:
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"@langchain/core" ">0.1.58 <0.3.0"
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cohere-ai "^7.9.3"
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"@langchain/community@0.0.53", "@langchain/community@~0.0.47":
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version "0.0.53"
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resolved "https://registry.npmjs.org/@langchain/community/-/community-0.0.53.tgz"
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@ -1984,6 +1992,23 @@
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zod "^3.22.4"
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zod-to-json-schema "^3.22.3"
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"@langchain/core@>0.1.58 <0.3.0":
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version "0.2.36"
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resolved "https://registry.yarnpkg.com/@langchain/core/-/core-0.2.36.tgz#75754c33aa5b9310dcf117047374a1ae011005a4"
|
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integrity sha512-qHLvScqERDeH7y2cLuJaSAlMwg3f/3Oc9nayRSXRU2UuaK/SOhI42cxiPLj1FnuHJSmN0rBQFkrLx02gI4mcVg==
|
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dependencies:
|
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ansi-styles "^5.0.0"
|
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camelcase "6"
|
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decamelize "1.2.0"
|
||||
js-tiktoken "^1.0.12"
|
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langsmith "^0.1.56-rc.1"
|
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mustache "^4.2.0"
|
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p-queue "^6.6.2"
|
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p-retry "4"
|
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uuid "^10.0.0"
|
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zod "^3.22.4"
|
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zod-to-json-schema "^3.22.3"
|
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|
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"@langchain/core@>=0.2.16 <0.3.0":
|
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version "0.2.18"
|
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resolved "https://registry.npmjs.org/@langchain/core/-/core-0.2.18.tgz"
|
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@ -3537,6 +3562,11 @@
|
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resolved "https://registry.npmjs.org/@types/triple-beam/-/triple-beam-1.3.5.tgz"
|
||||
integrity sha512-6WaYesThRMCl19iryMYP7/x2OVgCtbIVflDGFpWnb9irXI3UjYE4AzmYuiUKY1AJstGijoY+MgUszMgRxIYTYw==
|
||||
|
||||
"@types/uuid@^10.0.0":
|
||||
version "10.0.0"
|
||||
resolved "https://registry.yarnpkg.com/@types/uuid/-/uuid-10.0.0.tgz#e9c07fe50da0f53dc24970cca94d619ff03f6f6d"
|
||||
integrity sha512-7gqG38EyHgyP1S+7+xomFtL+ZNHcKv6DwNaCZmJmo1vgMugyF3TCnXVg4t1uk89mLNwnLtnY3TpOpCOyp1/xHQ==
|
||||
|
||||
"@types/uuid@^9.0.1":
|
||||
version "9.0.8"
|
||||
resolved "https://registry.npmjs.org/@types/uuid/-/uuid-9.0.8.tgz"
|
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@ -4238,6 +4268,22 @@ cohere-ai@^7.19.0:
|
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readable-stream "^4.5.2"
|
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url-join "4.0.1"
|
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|
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cohere-ai@^7.9.3:
|
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version "7.20.0"
|
||||
resolved "https://registry.yarnpkg.com/cohere-ai/-/cohere-ai-7.20.0.tgz#5d350747b4a24e8855b66475f1f4908c4908240e"
|
||||
integrity sha512-h/3h3pcLXRUmkzp/W+/FWViEMcAFtSZ8YayCTFQXpib112uNSj3feApOtJg7v9lreWR1t7gznhE6N9KNCX5FOA==
|
||||
dependencies:
|
||||
"@aws-crypto/sha256-js" "^5.2.0"
|
||||
"@aws-sdk/client-sagemaker" "^3.583.0"
|
||||
"@aws-sdk/credential-providers" "^3.583.0"
|
||||
"@smithy/protocol-http" "^5.1.2"
|
||||
"@smithy/signature-v4" "^5.1.2"
|
||||
convict "^6.2.4"
|
||||
form-data "^4.0.4"
|
||||
form-data-encoder "^4.1.0"
|
||||
formdata-node "^6.0.3"
|
||||
readable-stream "^4.7.0"
|
||||
|
||||
color-convert@^1.9.3:
|
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version "1.9.3"
|
||||
resolved "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz"
|
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@ -5488,7 +5534,7 @@ form-data-encoder@1.7.2:
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resolved "https://registry.npmjs.org/form-data-encoder/-/form-data-encoder-1.7.2.tgz"
|
||||
integrity sha512-qfqtYan3rxrnCk1VYaA4H+Ms9xdpPqvLZa6xmMgFvhO32x7/3J/ExcTd6qpxM0vH2GdMI+poehyBZvqfMTto8A==
|
||||
|
||||
form-data-encoder@^4.0.2:
|
||||
form-data-encoder@^4.0.2, form-data-encoder@^4.1.0:
|
||||
version "4.1.0"
|
||||
resolved "https://registry.yarnpkg.com/form-data-encoder/-/form-data-encoder-4.1.0.tgz#497cedc94810bd5d53b99b5d4f6c152d5cbc9db2"
|
||||
integrity sha512-G6NsmEW15s0Uw9XnCg+33H3ViYRyiM0hMrMhhqQOR8NFc5GhYrI+6I3u7OTw7b91J2g8rtvMBZJDbcGb2YUniw==
|
||||
@ -5504,7 +5550,7 @@ form-data@3.0.4, form-data@^3.0.0:
|
||||
hasown "^2.0.2"
|
||||
mime-types "^2.1.35"
|
||||
|
||||
form-data@4.0.0, form-data@4.0.4, form-data@^4.0.0:
|
||||
form-data@4.0.0, form-data@4.0.4, form-data@^4.0.0, form-data@^4.0.4:
|
||||
version "4.0.4"
|
||||
resolved "https://registry.yarnpkg.com/form-data/-/form-data-4.0.4.tgz#784cdcce0669a9d68e94d11ac4eea98088edd2c4"
|
||||
integrity sha512-KrGhL9Q4zjj0kiUt5OO4Mr/A/jlI2jDYs5eHBpYHPcBEVSiipAvn2Ko2HnPe20rmcuuvMHNdZFp+4IlGTMF0Ow==
|
||||
@ -6473,6 +6519,18 @@ langchainhub@~0.0.8:
|
||||
resolved "https://registry.npmjs.org/langchainhub/-/langchainhub-0.0.8.tgz"
|
||||
integrity sha512-Woyb8YDHgqqTOZvWIbm2CaFDGfZ4NTSyXV687AG4vXEfoNo7cGQp7nhl7wL3ehenKWmNEmcxCLgOZzW8jE6lOQ==
|
||||
|
||||
langsmith@^0.1.56-rc.1:
|
||||
version "0.1.68"
|
||||
resolved "https://registry.yarnpkg.com/langsmith/-/langsmith-0.1.68.tgz#848332e822fe5e6734a07f1c36b6530cc1798afb"
|
||||
integrity sha512-otmiysWtVAqzMx3CJ4PrtUBhWRG5Co8Z4o7hSZENPjlit9/j3/vm3TSvbaxpDYakZxtMjhkcJTqrdYFipISEiQ==
|
||||
dependencies:
|
||||
"@types/uuid" "^10.0.0"
|
||||
commander "^10.0.1"
|
||||
p-queue "^6.6.2"
|
||||
p-retry "4"
|
||||
semver "^7.6.3"
|
||||
uuid "^10.0.0"
|
||||
|
||||
langsmith@~0.1.1, langsmith@~0.1.7:
|
||||
version "0.1.21"
|
||||
resolved "https://registry.npmjs.org/langsmith/-/langsmith-0.1.21.tgz"
|
||||
@ -7713,7 +7771,7 @@ readable-stream@^4.2.0:
|
||||
process "^0.11.10"
|
||||
string_decoder "^1.3.0"
|
||||
|
||||
readable-stream@^4.5.2:
|
||||
readable-stream@^4.5.2, readable-stream@^4.7.0:
|
||||
version "4.7.0"
|
||||
resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-4.7.0.tgz"
|
||||
integrity sha512-oIGGmcpTLwPga8Bn6/Z75SVaH1z5dUut2ibSyAMVhmUggWpmDn2dapB0n7f8nwaSiRtepAsfJyfXIO5DCVAODg==
|
||||
@ -7892,6 +7950,11 @@ semver@^7.3.5, semver@^7.5.4:
|
||||
dependencies:
|
||||
lru-cache "^6.0.0"
|
||||
|
||||
semver@^7.6.3:
|
||||
version "7.7.3"
|
||||
resolved "https://registry.yarnpkg.com/semver/-/semver-7.7.3.tgz#4b5f4143d007633a8dc671cd0a6ef9147b8bb946"
|
||||
integrity sha512-SdsKMrI9TdgjdweUSR9MweHA4EJ8YxHn8DFaDisvhVlUOe4BF1tLD7GAj0lIqWVl+dPb/rExr0Btby5loQm20Q==
|
||||
|
||||
semver@~7.0.0:
|
||||
version "7.0.0"
|
||||
resolved "https://registry.npmjs.org/semver/-/semver-7.0.0.tgz"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user