import { AzureOpenAI as AzureOpenAIClient } from "openai"; import { OpenAI } from "../llms.js"; import { getEndpoint } from "../utils/azure.js"; export class AzureOpenAI extends OpenAI { get lc_aliases() { return { openAIApiKey: "openai_api_key", openAIApiVersion: "openai_api_version", openAIBasePath: "openai_api_base", }; } constructor(fields) { const newFields = fields ? { ...fields } : fields; if (newFields) { // don't rewrite the fields if they are already set newFields.azureOpenAIApiDeploymentName = newFields.azureOpenAIApiDeploymentName ?? newFields.deploymentName; newFields.azureOpenAIApiKey = newFields.azureOpenAIApiKey ?? newFields.openAIApiKey; newFields.azureOpenAIApiVersion = newFields.azureOpenAIApiVersion ?? newFields.openAIApiVersion; } super(newFields); } _getClientOptions(options) { if (!this.client) { const openAIEndpointConfig = { azureOpenAIApiDeploymentName: this.azureOpenAIApiDeploymentName, azureOpenAIApiInstanceName: this.azureOpenAIApiInstanceName, azureOpenAIApiKey: this.azureOpenAIApiKey, azureOpenAIBasePath: this.azureOpenAIBasePath, azureADTokenProvider: this.azureADTokenProvider, baseURL: this.clientConfig.baseURL, }; const endpoint = getEndpoint(openAIEndpointConfig); const params = { ...this.clientConfig, baseURL: endpoint, timeout: this.timeout, maxRetries: 0, }; if (!this.azureADTokenProvider) { params.apiKey = openAIEndpointConfig.azureOpenAIApiKey; } if (!params.baseURL) { delete params.baseURL; } params.defaultHeaders = { ...params.defaultHeaders, "User-Agent": params.defaultHeaders?.["User-Agent"] ? `${params.defaultHeaders["User-Agent"]}: langchainjs-azure-openai-v2` : `langchainjs-azure-openai-v2`, }; this.client = new AzureOpenAIClient({ apiVersion: this.azureOpenAIApiVersion, azureADTokenProvider: this.azureADTokenProvider, ...params, }); } const requestOptions = { ...this.clientConfig, ...options, }; if (this.azureOpenAIApiKey) { requestOptions.headers = { "api-key": this.azureOpenAIApiKey, ...requestOptions.headers, }; requestOptions.query = { "api-version": this.azureOpenAIApiVersion, ...requestOptions.query, }; } return requestOptions; } // eslint-disable-next-line @typescript-eslint/no-explicit-any toJSON() { const json = super.toJSON(); function isRecord(obj) { return typeof obj === "object" && obj != null; } if (isRecord(json) && isRecord(json.kwargs)) { delete json.kwargs.azure_openai_base_path; delete json.kwargs.azure_openai_api_deployment_name; delete json.kwargs.azure_openai_api_key; delete json.kwargs.azure_openai_api_version; delete json.kwargs.azure_open_ai_base_path; } return json; } }