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