chatgpt-plugin/utils/alibaba/qwen-api.js
2024-03-15 10:52:21 +08:00

407 lines
23 KiB
JavaScript

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import Keyv from 'keyv';
import pTimeout from 'p-timeout';
import QuickLRU from 'quick-lru';
import { v4 as uuidv4 } from 'uuid';
import * as tokenizer from './tokenizer.js';
import * as types from './types.js';
import globalFetch from 'node-fetch';
var CHATGPT_MODEL = 'qwen-turbo'; // qwen-plus
var USER_LABEL_DEFAULT = 'User';
var ASSISTANT_LABEL_DEFAULT = '通义千问';
var QwenApi = /** @class */ (function () {
/**
* Creates a new client wrapper around Qwen's chat completion API, mimicing the official ChatGPT webapp's functionality as closely as possible.
*
* @param opts
*/
function QwenApi(opts) {
var apiKey = opts.apiKey, _a = opts.apiBaseUrl, apiBaseUrl = _a === void 0 ? 'https://dashscope.aliyuncs.com/api/v1' : _a, _b = opts.debug, debug = _b === void 0 ? false : _b, messageStore = opts.messageStore, completionParams = opts.completionParams, parameters = opts.parameters, systemMessage = opts.systemMessage, getMessageById = opts.getMessageById, upsertMessage = opts.upsertMessage, _c = opts.fetch, fetch = _c === void 0 ? globalFetch : _c;
this._apiKey = apiKey;
this._apiBaseUrl = apiBaseUrl;
this._debug = !!debug;
this._fetch = fetch;
this._completionParams = __assign({ model: CHATGPT_MODEL, parameters: __assign({ top_p: 0.5, top_k: 50, temperature: 1.0, seed: 114514, enable_search: true, result_format: "message", incremental_output: false }, parameters) }, completionParams);
this._systemMessage = systemMessage;
if (this._systemMessage === undefined) {
var currentDate = new Date().toISOString().split('T')[0];
this._systemMessage = "You are Qwen, a large language model trained by Alibaba Cloud. Answer as concisely as possible.\nCurrent date: ".concat(currentDate);
}
this._getMessageById = getMessageById !== null && getMessageById !== void 0 ? getMessageById : this._defaultGetMessageById;
this._upsertMessage = upsertMessage !== null && upsertMessage !== void 0 ? upsertMessage : this._defaultUpsertMessage;
if (messageStore) {
this._messageStore = messageStore;
}
else {
this._messageStore = new Keyv({
store: new QuickLRU({ maxSize: 10000 })
});
}
if (!this._apiKey) {
throw new Error('Qwen missing required apiKey');
}
if (!this._fetch) {
throw new Error('Invalid environment; fetch is not defined');
}
if (typeof this._fetch !== 'function') {
throw new Error('Invalid "fetch" is not a function');
}
}
/**
* Sends a message to the Qwen chat completions endpoint, waits for the response
* to resolve, and returns the response.
*
* If you want your response to have historical context, you must provide a valid `parentMessageId`.
*
* If you want to receive a stream of partial responses, use `opts.onProgress`.
*
* Set `debug: true` in the `ChatGPTAPI` constructor to log more info on the full prompt sent to the Qwen chat completions API. You can override the `systemMessage` in `opts` to customize the assistant's instructions.
*
* @param message - The prompt message to send
* @param opts.parentMessageId - Optional ID of the previous message in the conversation (defaults to `undefined`)
* @param opts.conversationId - Optional ID of the conversation (defaults to `undefined`)
* @param opts.messageId - Optional ID of the message to send (defaults to a random UUID)
* @param opts.systemMessage - Optional override for the chat "system message" which acts as instructions to the model (defaults to the ChatGPT system message)
* @param opts.timeoutMs - Optional timeout in milliseconds (defaults to no timeout)
* @param opts.onProgress - Optional callback which will be invoked every time the partial response is updated
* @param opts.abortSignal - Optional callback used to abort the underlying `fetch` call using an [AbortController](https://developer.mozilla.org/en-US/docs/Web/API/AbortController)
* @param opts.completionParams - Optional overrides to send to the [Qwen chat completion API](https://platform.openai.com/docs/api-reference/chat/create). Options like `temperature` and `presence_penalty` can be tweaked to change the personality of the assistant.
*
* @returns The response from ChatGPT
*/
QwenApi.prototype.sendMessage = function (text, opts, role) {
if (opts === void 0) { opts = {}; }
if (role === void 0) { role = 'user'; }
return __awaiter(this, void 0, void 0, function () {
var parentMessageId, _a, messageId, timeoutMs, completionParams, conversationId, abortSignal, abortController, message, latestQuestion, parameters, _b, messages, maxTokens, numTokens, result, responseP;
var _this = this;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
parentMessageId = opts.parentMessageId, _a = opts.messageId, messageId = _a === void 0 ? uuidv4() : _a, timeoutMs = opts.timeoutMs, completionParams = opts.completionParams, conversationId = opts.conversationId;
abortSignal = opts.abortSignal;
abortController = null;
if (timeoutMs && !abortSignal) {
abortController = new AbortController();
abortSignal = abortController.signal;
}
message = {
role: role,
id: messageId,
conversationId: conversationId,
parentMessageId: parentMessageId,
text: text,
};
latestQuestion = message;
parameters = Object.assign(this._completionParams.parameters, completionParams.parameters);
completionParams = Object.assign(this._completionParams, completionParams);
completionParams.parameters = parameters;
return [4 /*yield*/, this._buildMessages(text, role, opts, completionParams)];
case 1:
_b = _c.sent(), messages = _b.messages, maxTokens = _b.maxTokens, numTokens = _b.numTokens;
console.log("maxTokens: ".concat(maxTokens, ", numTokens: ").concat(numTokens));
result = {
role: 'assistant',
id: uuidv4(),
conversationId: conversationId,
parentMessageId: messageId,
text: undefined,
functionCall: undefined,
conversation: []
};
completionParams.input = { messages: messages };
responseP = new Promise(function (resolve, reject) { return __awaiter(_this, void 0, void 0, function () {
var url, headers, body, res, reason, msg, error, response, err_1;
var _a, _b, _c, _d, _e;
return __generator(this, function (_f) {
switch (_f.label) {
case 0:
url = "".concat(this._apiBaseUrl, "/services/aigc/text-generation/generation");
headers = {
'Content-Type': 'application/json',
Authorization: "Bearer ".concat(this._apiKey)
};
body = completionParams;
if (this._debug) {
console.log(JSON.stringify(body));
}
if (this._debug) {
console.log("sendMessage (".concat(numTokens, " tokens)"), body);
}
_f.label = 1;
case 1:
_f.trys.push([1, 6, , 7]);
return [4 /*yield*/, this._fetch(url, {
method: 'POST',
headers: headers,
body: JSON.stringify(body),
signal: abortSignal
})];
case 2:
res = _f.sent();
if (!!res.ok) return [3 /*break*/, 4];
return [4 /*yield*/, res.text()];
case 3:
reason = _f.sent();
msg = "Qwen error ".concat(res.status || res.statusText, ": ").concat(reason);
error = new types.ChatGPTError(msg, { cause: res });
error.statusCode = res.status;
error.statusText = res.statusText;
return [2 /*return*/, reject(error)];
case 4: return [4 /*yield*/, res.json()];
case 5:
response = _f.sent();
if (this._debug) {
console.log(response);
}
if (((_e = (_d = (_c = (_b = (_a = response.output) === null || _a === void 0 ? void 0 : _a.choices) === null || _b === void 0 ? void 0 : _b[0]) === null || _c === void 0 ? void 0 : _c.message) === null || _d === void 0 ? void 0 : _d.tool_calls) === null || _e === void 0 ? void 0 : _e.length) > 0) {
// function call result
result.functionCall = response.output.choices[0].message.tool_calls[0].function;
}
if (response === null || response === void 0 ? void 0 : response.request_id) {
result.id = response.request_id;
}
result.detail = response;
result.text = response.output.choices[0].message.content;
result.conversation = messages;
return [2 /*return*/, resolve(result)];
case 6:
err_1 = _f.sent();
return [2 /*return*/, reject(err_1)];
case 7: return [2 /*return*/];
}
});
}); }).then(function (message) { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, Promise.all([
this._upsertMessage(latestQuestion),
this._upsertMessage(message)
]).then(function () { return message; })];
});
}); });
if (timeoutMs) {
if (abortController) {
// This will be called when a timeout occurs in order for us to forcibly
// ensure that the underlying HTTP request is aborted.
;
responseP.cancel = function () {
abortController.abort();
};
}
return [2 /*return*/, pTimeout(responseP, {
milliseconds: timeoutMs,
message: 'Qwen timed out waiting for response'
})];
}
else {
return [2 /*return*/, responseP];
}
return [2 /*return*/];
}
});
});
};
Object.defineProperty(QwenApi.prototype, "apiKey", {
get: function () {
return this._apiKey;
},
set: function (apiKey) {
this._apiKey = apiKey;
},
enumerable: false,
configurable: true
});
QwenApi.prototype._buildMessages = function (text, role, opts, completionParams) {
return __awaiter(this, void 0, void 0, function () {
var _a, systemMessage, parentMessageId, userLabel, assistantLabel, maxNumTokens, messages, systemMessageOffset, nextMessages, functionToken, numTokens, prompt_1, nextNumTokensEstimate, _i, nextMessages_1, m1, _b, isValidPrompt, parentMessage, parentMessageRole, maxTokens;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
_a = opts.systemMessage, systemMessage = _a === void 0 ? this._systemMessage : _a;
parentMessageId = opts.parentMessageId;
userLabel = USER_LABEL_DEFAULT;
assistantLabel = ASSISTANT_LABEL_DEFAULT;
maxNumTokens = 6000;
messages = [];
if (systemMessage) {
messages.push({
role: 'system',
content: systemMessage
});
}
systemMessageOffset = messages.length;
nextMessages = text
? messages.concat([
{
role: role,
content: text,
name: role === 'tool' ? opts.name : undefined
}
])
: messages;
functionToken = 0;
numTokens = functionToken;
_c.label = 1;
case 1:
prompt_1 = nextMessages
.reduce(function (prompt, message) {
switch (message.role) {
case 'system':
return prompt.concat(["Instructions:\n".concat(message.content)]);
case 'user':
return prompt.concat(["".concat(userLabel, ":\n").concat(message.content)]);
default:
return message.content ? prompt.concat(["".concat(assistantLabel, ":\n").concat(message.content)]) : prompt;
}
}, [])
.join('\n\n');
return [4 /*yield*/, this._getTokenCount(prompt_1)];
case 2:
nextNumTokensEstimate = _c.sent();
_i = 0, nextMessages_1 = nextMessages;
_c.label = 3;
case 3:
if (!(_i < nextMessages_1.length)) return [3 /*break*/, 6];
m1 = nextMessages_1[_i];
_b = nextNumTokensEstimate;
return [4 /*yield*/, this._getTokenCount('')];
case 4:
nextNumTokensEstimate = _b + _c.sent();
_c.label = 5;
case 5:
_i++;
return [3 /*break*/, 3];
case 6:
isValidPrompt = nextNumTokensEstimate + functionToken <= maxNumTokens;
if (prompt_1 && !isValidPrompt) {
return [3 /*break*/, 9];
}
messages = nextMessages;
numTokens = nextNumTokensEstimate + functionToken;
if (!isValidPrompt) {
return [3 /*break*/, 9];
}
if (!parentMessageId) {
return [3 /*break*/, 9];
}
return [4 /*yield*/, this._getMessageById(parentMessageId)];
case 7:
parentMessage = _c.sent();
if (!parentMessage) {
return [3 /*break*/, 9];
}
parentMessageRole = parentMessage.role || 'user';
nextMessages = nextMessages.slice(0, systemMessageOffset).concat(__spreadArray([
{
role: parentMessageRole,
content: parentMessage.functionCall ? parentMessage.functionCall.arguments : parentMessage.text,
name: parentMessage.functionCall ? parentMessage.functionCall.name : undefined
}
], nextMessages.slice(systemMessageOffset), true));
parentMessageId = parentMessage.parentMessageId;
_c.label = 8;
case 8:
if (true) return [3 /*break*/, 1];
_c.label = 9;
case 9:
maxTokens = Math.max(1, Math.min(this._maxModelTokens - numTokens, this._maxResponseTokens));
return [2 /*return*/, { messages: messages, maxTokens: maxTokens, numTokens: numTokens }];
}
});
});
};
QwenApi.prototype._getTokenCount = function (text) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (!text) {
return [2 /*return*/, 0];
}
// TODO: use a better fix in the tokenizer
text = text.replace(/<\|endoftext\|>/g, '');
return [2 /*return*/, tokenizer.encode(text).length];
});
});
};
QwenApi.prototype._defaultGetMessageById = function (id) {
return __awaiter(this, void 0, void 0, function () {
var res;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this._messageStore.get(id)];
case 1:
res = _a.sent();
return [2 /*return*/, res];
}
});
});
};
QwenApi.prototype._defaultUpsertMessage = function (message) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this._messageStore.set(message.request_id, message)];
case 1:
_a.sent();
return [2 /*return*/];
}
});
});
};
return QwenApi;
}());
export { QwenApi };