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OpenAiService.java
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OpenAiService.java
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package com.theokanning.openai.service;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.PropertyNamingStrategy;
import com.fasterxml.jackson.databind.node.TextNode;
import com.theokanning.openai.*;
import com.theokanning.openai.assistants.*;
import com.theokanning.openai.audio.*;
import com.theokanning.openai.billing.BillingUsage;
import com.theokanning.openai.billing.Subscription;
import com.theokanning.openai.client.OpenAiApi;
import com.theokanning.openai.completion.CompletionChunk;
import com.theokanning.openai.completion.CompletionRequest;
import com.theokanning.openai.completion.CompletionResult;
import com.theokanning.openai.completion.chat.*;
import com.theokanning.openai.edit.EditRequest;
import com.theokanning.openai.edit.EditResult;
import com.theokanning.openai.embedding.EmbeddingRequest;
import com.theokanning.openai.embedding.EmbeddingResult;
import com.theokanning.openai.file.File;
import com.theokanning.openai.fine_tuning.FineTuningEvent;
import com.theokanning.openai.fine_tuning.FineTuningJob;
import com.theokanning.openai.fine_tuning.FineTuningJobRequest;
import com.theokanning.openai.finetune.FineTuneEvent;
import com.theokanning.openai.finetune.FineTuneRequest;
import com.theokanning.openai.finetune.FineTuneResult;
import com.theokanning.openai.image.CreateImageEditRequest;
import com.theokanning.openai.image.CreateImageRequest;
import com.theokanning.openai.image.CreateImageVariationRequest;
import com.theokanning.openai.image.ImageResult;
import com.theokanning.openai.messages.Message;
import com.theokanning.openai.messages.MessageFile;
import com.theokanning.openai.messages.MessageRequest;
import com.theokanning.openai.messages.ModifyMessageRequest;
import com.theokanning.openai.model.Model;
import com.theokanning.openai.moderation.ModerationRequest;
import com.theokanning.openai.moderation.ModerationResult;
import com.theokanning.openai.runs.CreateThreadAndRunRequest;
import com.theokanning.openai.runs.Run;
import com.theokanning.openai.runs.RunCreateRequest;
import com.theokanning.openai.runs.RunStep;
import com.theokanning.openai.runs.SubmitToolOutputsRequest;
import com.theokanning.openai.threads.Thread;
import com.theokanning.openai.threads.ThreadRequest;
import io.reactivex.BackpressureStrategy;
import io.reactivex.Flowable;
import io.reactivex.Single;
import okhttp3.*;
import retrofit2.Call;
import retrofit2.HttpException;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
import retrofit2.converter.jackson.JacksonConverterFactory;
import javax.validation.constraints.NotNull;
import java.io.IOException;
import java.time.Duration;
import java.time.LocalDate;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;
public class OpenAiService {
private static final String BASE_URL = "https://api.openai.com/";
private static final Duration DEFAULT_TIMEOUT = Duration.ofSeconds(10);
private static final ObjectMapper mapper = defaultObjectMapper();
private final OpenAiApi api;
private final ExecutorService executorService;
/**
* Creates a new OpenAiService that wraps OpenAiApi
*
* @param token OpenAi token string "sk-XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
*/
public OpenAiService(final String token) {
this(token, DEFAULT_TIMEOUT);
}
/**
* Creates a new OpenAiService that wraps OpenAiApi
*
* @param token OpenAi token string "sk-XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
* @param timeout http read timeout, Duration.ZERO means no timeout
*/
public OpenAiService(final String token, final Duration timeout) {
ObjectMapper mapper = defaultObjectMapper();
OkHttpClient client = defaultClient(token, timeout);
Retrofit retrofit = defaultRetrofit(client, mapper);
this.api = retrofit.create(OpenAiApi.class);
this.executorService = client.dispatcher().executorService();
}
/**
* Creates a new OpenAiService that wraps OpenAiApi.
* Use this if you need more customization, but use OpenAiService(api, executorService) if you use streaming and
* want to shut down instantly
*
* @param api OpenAiApi instance to use for all methods
*/
public OpenAiService(final OpenAiApi api) {
this.api = api;
this.executorService = null;
}
/**
* Creates a new OpenAiService that wraps OpenAiApi.
* The ExecutorService must be the one you get from the client you created the api with
* otherwise shutdownExecutor() won't work.
* <p>
* Use this if you need more customization.
*
* @param api OpenAiApi instance to use for all methods
* @param executorService the ExecutorService from client.dispatcher().executorService()
*/
public OpenAiService(final OpenAiApi api, final ExecutorService executorService) {
this.api = api;
this.executorService = executorService;
}
public List<Model> listModels() {
return execute(api.listModels()).data;
}
public Model getModel(String modelId) {
return execute(api.getModel(modelId));
}
public CompletionResult createCompletion(CompletionRequest request) {
return execute(api.createCompletion(request));
}
public Flowable<CompletionChunk> streamCompletion(CompletionRequest request) {
request.setStream(true);
return stream(api.createCompletionStream(request), CompletionChunk.class);
}
public ChatCompletionResult createChatCompletion(ChatCompletionRequest request) {
return execute(api.createChatCompletion(request));
}
public Flowable<ChatCompletionChunk> streamChatCompletion(ChatCompletionRequest request) {
request.setStream(true);
return stream(api.createChatCompletionStream(request), ChatCompletionChunk.class);
}
public EditResult createEdit(EditRequest request) {
return execute(api.createEdit(request));
}
public EmbeddingResult createEmbeddings(EmbeddingRequest request) {
return execute(api.createEmbeddings(request));
}
public List<File> listFiles() {
return execute(api.listFiles()).data;
}
public File uploadFile(String purpose, String filepath) {
java.io.File file = new java.io.File(filepath);
RequestBody purposeBody = RequestBody.create(MultipartBody.FORM, purpose);
RequestBody fileBody = RequestBody.create(MediaType.parse("text"), file);
MultipartBody.Part body = MultipartBody.Part.createFormData("file", filepath, fileBody);
return execute(api.uploadFile(purposeBody, body));
}
public DeleteResult deleteFile(String fileId) {
return execute(api.deleteFile(fileId));
}
public File retrieveFile(String fileId) {
return execute(api.retrieveFile(fileId));
}
public ResponseBody retrieveFileContent(String fileId) {
return execute(api.retrieveFileContent(fileId));
}
public FineTuningJob createFineTuningJob(FineTuningJobRequest request) {
return execute(api.createFineTuningJob(request));
}
public List<FineTuningJob> listFineTuningJobs() {
return execute(api.listFineTuningJobs()).data;
}
public FineTuningJob retrieveFineTuningJob(String fineTuningJobId) {
return execute(api.retrieveFineTuningJob(fineTuningJobId));
}
public FineTuningJob cancelFineTuningJob(String fineTuningJobId) {
return execute(api.cancelFineTuningJob(fineTuningJobId));
}
public List<FineTuningEvent> listFineTuningJobEvents(String fineTuningJobId) {
return execute(api.listFineTuningJobEvents(fineTuningJobId)).data;
}
@Deprecated
public FineTuneResult createFineTune(FineTuneRequest request) {
return execute(api.createFineTune(request));
}
public CompletionResult createFineTuneCompletion(CompletionRequest request) {
return execute(api.createFineTuneCompletion(request));
}
@Deprecated
public List<FineTuneResult> listFineTunes() {
return execute(api.listFineTunes()).data;
}
@Deprecated
public FineTuneResult retrieveFineTune(String fineTuneId) {
return execute(api.retrieveFineTune(fineTuneId));
}
@Deprecated
public FineTuneResult cancelFineTune(String fineTuneId) {
return execute(api.cancelFineTune(fineTuneId));
}
@Deprecated
public List<FineTuneEvent> listFineTuneEvents(String fineTuneId) {
return execute(api.listFineTuneEvents(fineTuneId)).data;
}
public DeleteResult deleteFineTune(String fineTuneId) {
return execute(api.deleteFineTune(fineTuneId));
}
public ImageResult createImage(CreateImageRequest request) {
return execute(api.createImage(request));
}
public ImageResult createImageEdit(CreateImageEditRequest request, String imagePath, String maskPath) {
java.io.File image = new java.io.File(imagePath);
java.io.File mask = null;
if (maskPath != null) {
mask = new java.io.File(maskPath);
}
return createImageEdit(request, image, mask);
}
public ImageResult createImageEdit(CreateImageEditRequest request, java.io.File image, java.io.File mask) {
RequestBody imageBody = RequestBody.create(MediaType.parse("image"), image);
MultipartBody.Builder builder = new MultipartBody.Builder()
.setType(MediaType.get("multipart/form-data"))
.addFormDataPart("prompt", request.getPrompt())
.addFormDataPart("size", request.getSize())
.addFormDataPart("response_format", request.getResponseFormat())
.addFormDataPart("image", "image", imageBody);
if (request.getN() != null) {
builder.addFormDataPart("n", request.getN().toString());
}
if (mask != null) {
RequestBody maskBody = RequestBody.create(MediaType.parse("image"), mask);
builder.addFormDataPart("mask", "mask", maskBody);
}
if (request.getModel() != null) {
builder.addFormDataPart("model", request.getModel());
}
return execute(api.createImageEdit(builder.build()));
}
public ImageResult createImageVariation(CreateImageVariationRequest request, String imagePath) {
java.io.File image = new java.io.File(imagePath);
return createImageVariation(request, image);
}
public ImageResult createImageVariation(CreateImageVariationRequest request, java.io.File image) {
RequestBody imageBody = RequestBody.create(MediaType.parse("image"), image);
MultipartBody.Builder builder = new MultipartBody.Builder()
.setType(MediaType.get("multipart/form-data"))
.addFormDataPart("size", request.getSize())
.addFormDataPart("response_format", request.getResponseFormat())
.addFormDataPart("image", "image", imageBody);
if (request.getN() != null) {
builder.addFormDataPart("n", request.getN().toString());
}
if (request.getModel() != null) {
builder.addFormDataPart("model", request.getModel());
}
return execute(api.createImageVariation(builder.build()));
}
public TranscriptionResult createTranscription(CreateTranscriptionRequest request, String audioPath) {
java.io.File audio = new java.io.File(audioPath);
return createTranscription(request, audio);
}
public TranscriptionResult createTranscription(CreateTranscriptionRequest request, java.io.File audio) {
RequestBody audioBody = RequestBody.create(MediaType.parse("audio"), audio);
MultipartBody.Builder builder = new MultipartBody.Builder()
.setType(MediaType.get("multipart/form-data"))
.addFormDataPart("model", request.getModel())
.addFormDataPart("file", audio.getName(), audioBody);
if (request.getPrompt() != null) {
builder.addFormDataPart("prompt", request.getPrompt());
}
if (request.getResponseFormat() != null) {
builder.addFormDataPart("response_format", request.getResponseFormat());
}
if (request.getTemperature() != null) {
builder.addFormDataPart("temperature", request.getTemperature().toString());
}
if (request.getLanguage() != null) {
builder.addFormDataPart("language", request.getLanguage());
}
return execute(api.createTranscription(builder.build()));
}
public TranslationResult createTranslation(CreateTranslationRequest request, String audioPath) {
java.io.File audio = new java.io.File(audioPath);
return createTranslation(request, audio);
}
public TranslationResult createTranslation(CreateTranslationRequest request, java.io.File audio) {
RequestBody audioBody = RequestBody.create(MediaType.parse("audio"), audio);
MultipartBody.Builder builder = new MultipartBody.Builder()
.setType(MediaType.get("multipart/form-data"))
.addFormDataPart("model", request.getModel())
.addFormDataPart("file", audio.getName(), audioBody);
if (request.getPrompt() != null) {
builder.addFormDataPart("prompt", request.getPrompt());
}
if (request.getResponseFormat() != null) {
builder.addFormDataPart("response_format", request.getResponseFormat());
}
if (request.getTemperature() != null) {
builder.addFormDataPart("temperature", request.getTemperature().toString());
}
return execute(api.createTranslation(builder.build()));
}
public ModerationResult createModeration(ModerationRequest request) {
return execute(api.createModeration(request));
}
public ResponseBody createSpeech(CreateSpeechRequest request) {
return execute(api.createSpeech(request));
}
public Assistant createAssistant(AssistantRequest request) {
return execute(api.createAssistant(request));
}
public Assistant retrieveAssistant(String assistantId) {
return execute(api.retrieveAssistant(assistantId));
}
public Assistant modifyAssistant(String assistantId, ModifyAssistantRequest request) {
return execute(api.modifyAssistant(assistantId, request));
}
public DeleteResult deleteAssistant(String assistantId) {
return execute(api.deleteAssistant(assistantId));
}
public OpenAiResponse<Assistant> listAssistants(ListSearchParameters params) {
Map<String, Object> queryParameters = mapper.convertValue(params, new TypeReference<Map<String, Object>>() {
});
return execute(api.listAssistants(queryParameters));
}
public AssistantFile createAssistantFile(String assistantId, AssistantFileRequest fileRequest) {
return execute(api.createAssistantFile(assistantId, fileRequest));
}
public AssistantFile retrieveAssistantFile(String assistantId, String fileId) {
return execute(api.retrieveAssistantFile(assistantId, fileId));
}
public DeleteResult deleteAssistantFile(String assistantId, String fileId) {
return execute(api.deleteAssistantFile(assistantId, fileId));
}
public OpenAiResponse<AssistantFile> listAssistantFiles(String assistantId, ListSearchParameters params) {
Map<String, Object> queryParameters = mapper.convertValue(params, new TypeReference<Map<String, Object>>() {
});
return execute(api.listAssistantFiles(assistantId, queryParameters));
}
public Thread createThread(ThreadRequest request) {
return execute(api.createThread(request));
}
public Thread retrieveThread(String threadId) {
return execute(api.retrieveThread(threadId));
}
public Thread modifyThread(String threadId, ThreadRequest request) {
return execute(api.modifyThread(threadId, request));
}
public DeleteResult deleteThread(String threadId) {
return execute(api.deleteThread(threadId));
}
public Message createMessage(String threadId, MessageRequest request) {
return execute(api.createMessage(threadId, request));
}
public Message retrieveMessage(String threadId, String messageId) {
return execute(api.retrieveMessage(threadId, messageId));
}
public Message modifyMessage(String threadId, String messageId, ModifyMessageRequest request) {
return execute(api.modifyMessage(threadId, messageId, request));
}
public OpenAiResponse<Message> listMessages(String threadId) {
return execute(api.listMessages(threadId));
}
public OpenAiResponse<Message> listMessages(String threadId, ListSearchParameters params) {
Map<String, Object> queryParameters = mapper.convertValue(params, new TypeReference<Map<String, Object>>() {
});
return execute(api.listMessages(threadId, queryParameters));
}
public MessageFile retrieveMessageFile(String threadId, String messageId, String fileId) {
return execute(api.retrieveMessageFile(threadId, messageId, fileId));
}
public OpenAiResponse<MessageFile> listMessageFiles(String threadId, String messageId) {
return execute(api.listMessageFiles(threadId, messageId));
}
public OpenAiResponse<MessageFile> listMessageFiles(String threadId, String messageId, ListSearchParameters params) {
Map<String, Object> queryParameters = mapper.convertValue(params, new TypeReference<Map<String, Object>>() {
});
return execute(api.listMessageFiles(threadId, messageId, queryParameters));
}
public Run createRun(String threadId, RunCreateRequest runCreateRequest) {
return execute(api.createRun(threadId, runCreateRequest));
}
public Run retrieveRun(String threadId, String runId) {
return execute(api.retrieveRun(threadId, runId));
}
public Run modifyRun(String threadId, String runId, Map<String, String> metadata) {
return execute(api.modifyRun(threadId, runId, metadata));
}
public OpenAiResponse<Run> listRuns(String threadId, ListSearchParameters listSearchParameters) {
Map<String, String> search = new HashMap<>();
if (listSearchParameters != null) {
ObjectMapper mapper = defaultObjectMapper();
search = mapper.convertValue(listSearchParameters, Map.class);
}
return execute(api.listRuns(threadId, search));
}
public Run submitToolOutputs(String threadId, String runId, SubmitToolOutputsRequest submitToolOutputsRequest) {
return execute(api.submitToolOutputs(threadId, runId, submitToolOutputsRequest));
}
public Run cancelRun(String threadId, String runId) {
return execute(api.cancelRun(threadId, runId));
}
public Run createThreadAndRun(CreateThreadAndRunRequest createThreadAndRunRequest) {
return execute(api.createThreadAndRun(createThreadAndRunRequest));
}
public RunStep retrieveRunStep(String threadId, String runId, String stepId) {
return execute(api.retrieveRunStep(threadId, runId, stepId));
}
public OpenAiResponse<RunStep> listRunSteps(String threadId, String runId, ListSearchParameters listSearchParameters) {
Map<String, String> search = new HashMap<>();
if (listSearchParameters != null) {
ObjectMapper mapper = defaultObjectMapper();
search = mapper.convertValue(listSearchParameters, Map.class);
}
return execute(api.listRunSteps(threadId, runId, search));
}
/**
* Calls the Open AI api, returns the response, and parses error messages if the request fails
*/
public static <T> T execute(Single<T> apiCall) {
try {
return apiCall.blockingGet();
} catch (HttpException e) {
try {
if (e.response() == null || e.response().errorBody() == null) {
throw e;
}
String errorBody = e.response().errorBody().string();
OpenAiError error = mapper.readValue(errorBody, OpenAiError.class);
throw new OpenAiHttpException(error, e, e.code());
} catch (IOException ex) {
// couldn't parse OpenAI error
throw e;
}
}
}
/**
* Calls the Open AI api and returns a Flowable of SSE for streaming
* omitting the last message.
*
* @param apiCall The api call
*/
public static Flowable<SSE> stream(Call<ResponseBody> apiCall) {
return stream(apiCall, false);
}
/**
* Calls the Open AI api and returns a Flowable of SSE for streaming.
*
* @param apiCall The api call
* @param emitDone If true the last message ([DONE]) is emitted
*/
public static Flowable<SSE> stream(Call<ResponseBody> apiCall, boolean emitDone) {
return Flowable.create(emitter -> apiCall.enqueue(new ResponseBodyCallback(emitter, emitDone)), BackpressureStrategy.BUFFER);
}
/**
* Calls the Open AI api and returns a Flowable of type T for streaming
* omitting the last message.
*
* @param apiCall The api call
* @param cl Class of type T to return
*/
public static <T> Flowable<T> stream(Call<ResponseBody> apiCall, Class<T> cl) {
return stream(apiCall).map(sse -> mapper.readValue(sse.getData(), cl));
}
/**
* Shuts down the OkHttp ExecutorService.
* The default behaviour of OkHttp's ExecutorService (ConnectionPool)
* is to shut down after an idle timeout of 60s.
* Call this method to shut down the ExecutorService immediately.
*/
public void shutdownExecutor() {
Objects.requireNonNull(this.executorService, "executorService must be set in order to shut down");
this.executorService.shutdown();
}
public static OpenAiApi buildApi(String token, Duration timeout) {
ObjectMapper mapper = defaultObjectMapper();
OkHttpClient client = defaultClient(token, timeout);
Retrofit retrofit = defaultRetrofit(client, mapper);
return retrofit.create(OpenAiApi.class);
}
public static ObjectMapper defaultObjectMapper() {
ObjectMapper mapper = new ObjectMapper();
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
mapper.setPropertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE);
mapper.addMixIn(ChatFunction.class, ChatFunctionMixIn.class);
mapper.addMixIn(ChatCompletionRequest.class, ChatCompletionRequestMixIn.class);
mapper.addMixIn(ChatFunctionCall.class, ChatFunctionCallMixIn.class);
return mapper;
}
public static OkHttpClient defaultClient(String token, Duration timeout) {
return new OkHttpClient.Builder()
.addInterceptor(new AuthenticationInterceptor(token))
.connectionPool(new ConnectionPool(5, 1, TimeUnit.SECONDS))
.readTimeout(timeout.toMillis(), TimeUnit.MILLISECONDS)
.build();
}
public static Retrofit defaultRetrofit(OkHttpClient client, ObjectMapper mapper) {
return new Retrofit.Builder()
.baseUrl(BASE_URL)
.client(client)
.addConverterFactory(JacksonConverterFactory.create(mapper))
.addCallAdapterFactory(RxJava2CallAdapterFactory.create())
.build();
}
public Flowable<ChatMessageAccumulator> mapStreamToAccumulator(Flowable<ChatCompletionChunk> flowable) {
ChatFunctionCall functionCall = new ChatFunctionCall(null, null);
ChatMessage accumulatedMessage = new ChatMessage(ChatMessageRole.ASSISTANT.value(), null);
return flowable.map(chunk -> {
ChatMessage messageChunk = chunk.getChoices().get(0).getMessage();
if (messageChunk.getFunctionCall() != null) {
if (messageChunk.getFunctionCall().getName() != null) {
String namePart = messageChunk.getFunctionCall().getName();
functionCall.setName((functionCall.getName() == null ? "" : functionCall.getName()) + namePart);
}
if (messageChunk.getFunctionCall().getArguments() != null) {
String argumentsPart = messageChunk.getFunctionCall().getArguments() == null ? "" : messageChunk.getFunctionCall().getArguments().asText();
functionCall.setArguments(new TextNode((functionCall.getArguments() == null ? "" : functionCall.getArguments().asText()) + argumentsPart));
}
accumulatedMessage.setFunctionCall(functionCall);
} else {
accumulatedMessage.setContent((accumulatedMessage.getContent() == null ? "" : accumulatedMessage.getContent()) + (messageChunk.getContent() == null ? "" : messageChunk.getContent()));
}
if (chunk.getChoices().get(0).getFinishReason() != null) { // last
if (functionCall.getArguments() != null) {
functionCall.setArguments(mapper.readTree(functionCall.getArguments().asText()));
accumulatedMessage.setFunctionCall(functionCall);
}
}
return new ChatMessageAccumulator(messageChunk, accumulatedMessage);
});
}
/**
* Account information inquiry: including total amount and other information.
*
* @return Account information.
*/
public Subscription subscription() {
Single<Subscription> subscription = api.subscription();
return subscription.blockingGet();
}
/**
* Account API consumption amount information inquiry.
* Up to 100 days of inquiry.
*
* @param starDate
* @param endDate
* @return Consumption amount information.
*/
public BillingUsage billingUsage(@NotNull LocalDate starDate, @NotNull LocalDate endDate) {
Single<BillingUsage> billingUsage = api.billingUsage(starDate, endDate);
return billingUsage.blockingGet();
}
}