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Merge pull request #1518 from valadaptive/separate-ooba-endpoints 

Move Ooba/textgenerationwebui endpoints into their own module
This commit is contained in:
Cohee 2023-12-14 01:27:05 +02:00 committed by GitHub
parent 51d50f97cc 0d0dd5e170
commit b957e3b875
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 218 additions and 202 deletions
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4
public/script.js
View File

@ -928,7 +928,7 @@ async function getStatusKobold() {
}
async function getStatusTextgen() {
const url = '/api/textgenerationwebui/status';
const url = '/api/backends/text-completions/status';
let endpoint = textgen_settings.type === MANCER ?
MANCER_SERVER :
@ -4434,7 +4434,7 @@ function getGenerateUrl(api) {
if (api == 'kobold') {
generate_url = '/generate';
} else if (api == 'textgenerationwebui') {
generate_url = '/api/textgenerationwebui/generate';
generate_url = '/api/backends/text-completions/generate';
} else if (api == 'novel') {
generate_url = '/api/novelai/generate';
}

2
public/scripts/textgen-settings.js
View File

@ -468,7 +468,7 @@ function setSettingByName(setting, value, trigger) {
async function generateTextGenWithStreaming(generate_data, signal) {
generate_data.stream = true;
const response = await fetch('/api/textgenerationwebui/generate', {
const response = await fetch('/api/backends/text-completions/generate', {
headers: {
...getRequestHeaders(),
},

204
server.js
View File

@ -133,7 +133,7 @@ const API_OPENAI = 'https://api.openai.com/v1';
const API_CLAUDE = 'https://api.anthropic.com/v1';
const SETTINGS_FILE = './public/settings.json';
const { DIRECTORIES, UPLOADS_PATH, PALM_SAFETY, TEXTGEN_TYPES, CHAT_COMPLETION_SOURCES, AVATAR_WIDTH, AVATAR_HEIGHT } = require('./src/constants');
const { DIRECTORIES, UPLOADS_PATH, PALM_SAFETY, CHAT_COMPLETION_SOURCES, AVATAR_WIDTH, AVATAR_HEIGHT } = require('./src/constants');
// CORS Settings //
const CORS = cors({
@ -446,203 +446,6 @@ app.post('/generate', jsonParser, async function (request, response_generate) {
return response_generate.send({ error: true });
});
//************** Text generation web UI
app.post('/api/textgenerationwebui/status', jsonParser, async function (request, response) {
if (!request.body) return response.sendStatus(400);
try {
if (request.body.api_server.indexOf('localhost') !== -1) {
request.body.api_server = request.body.api_server.replace('localhost', '127.0.0.1');
}
console.log('Trying to connect to API:', request.body);
// Convert to string + remove trailing slash + /v1 suffix
const baseUrl = String(request.body.api_server).replace(/\/$/, '').replace(/\/v1$/, '');
const args = {
headers: { 'Content-Type': 'application/json' },
};
setAdditionalHeaders(request, args, baseUrl);
let url = baseUrl;
let result = '';
if (request.body.legacy_api) {
url += '/v1/model';
} else {
switch (request.body.api_type) {
case TEXTGEN_TYPES.OOBA:
case TEXTGEN_TYPES.APHRODITE:
case TEXTGEN_TYPES.KOBOLDCPP:
url += '/v1/models';
break;
case TEXTGEN_TYPES.MANCER:
url += '/oai/v1/models';
break;
case TEXTGEN_TYPES.TABBY:
url += '/v1/model/list';
break;
}
}
const modelsReply = await fetch(url, args);
if (!modelsReply.ok) {
console.log('Models endpoint is offline.');
return response.status(400);
}
const data = await modelsReply.json();
if (request.body.legacy_api) {
console.log('Legacy API response:', data);
return response.send({ result: data?.result });
}
if (!Array.isArray(data.data)) {
console.log('Models response is not an array.');
return response.status(400);
}
const modelIds = data.data.map(x => x.id);
console.log('Models available:', modelIds);
// Set result to the first model ID
result = modelIds[0] || 'Valid';
if (request.body.api_type === TEXTGEN_TYPES.OOBA) {
try {
const modelInfoUrl = baseUrl + '/v1/internal/model/info';
const modelInfoReply = await fetch(modelInfoUrl, args);
if (modelInfoReply.ok) {
const modelInfo = await modelInfoReply.json();
console.log('Ooba model info:', modelInfo);
const modelName = modelInfo?.model_name;
result = modelName || result;
}
} catch (error) {
console.error(`Failed to get Ooba model info: ${error}`);
}
} else if (request.body.api_type === TEXTGEN_TYPES.TABBY) {
try {
const modelInfoUrl = baseUrl + '/v1/model';
const modelInfoReply = await fetch(modelInfoUrl, args);
if (modelInfoReply.ok) {
const modelInfo = await modelInfoReply.json();
console.log('Tabby model info:', modelInfo);
const modelName = modelInfo?.id;
result = modelName || result;
} else {
// TabbyAPI returns an error 400 if a model isn't loaded
result = 'None';
}
} catch (error) {
console.error(`Failed to get TabbyAPI model info: ${error}`);
}
}
return response.send({ result, data: data.data });
} catch (error) {
console.error(error);
return response.status(500);
}
});
app.post('/api/textgenerationwebui/generate', jsonParser, async function (request, response_generate) {
if (!request.body) return response_generate.sendStatus(400);
try {
if (request.body.api_server.indexOf('localhost') !== -1) {
request.body.api_server = request.body.api_server.replace('localhost', '127.0.0.1');
}
const baseUrl = request.body.api_server;
console.log(request.body);
const controller = new AbortController();
request.socket.removeAllListeners('close');
request.socket.on('close', function () {
controller.abort();
});
// Convert to string + remove trailing slash + /v1 suffix
let url = String(baseUrl).replace(/\/$/, '').replace(/\/v1$/, '');
if (request.body.legacy_api) {
url += '/v1/generate';
} else {
switch (request.body.api_type) {
case TEXTGEN_TYPES.APHRODITE:
case TEXTGEN_TYPES.OOBA:
case TEXTGEN_TYPES.TABBY:
case TEXTGEN_TYPES.KOBOLDCPP:
url += '/v1/completions';
break;
case TEXTGEN_TYPES.MANCER:
url += '/oai/v1/completions';
break;
}
}
const args = {
method: 'POST',
body: JSON.stringify(request.body),
headers: { 'Content-Type': 'application/json' },
signal: controller.signal,
timeout: 0,
};
setAdditionalHeaders(request, args, baseUrl);
if (request.body.stream) {
const completionsStream = await fetch(url, args);
// Pipe remote SSE stream to Express response
forwardFetchResponse(completionsStream, response_generate);
}
else {
const completionsReply = await fetch(url, args);
if (completionsReply.ok) {
const data = await completionsReply.json();
console.log('Endpoint response:', data);
// Wrap legacy response to OAI completions format
if (request.body.legacy_api) {
const text = data?.results[0]?.text;
data['choices'] = [{ text }];
}
return response_generate.send(data);
} else {
const text = await completionsReply.text();
const errorBody = { error: true, status: completionsReply.status, response: text };
if (!response_generate.headersSent) {
return response_generate.send(errorBody);
}
return response_generate.end();
}
}
} catch (error) {
let value = { error: true, status: error?.status, response: error?.statusText };
console.log('Endpoint error:', error);
if (!response_generate.headersSent) {
return response_generate.send(value);
}
return response_generate.end();
}
});
// Only called for kobold
app.post('/getstatus', jsonParser, async function (request, response) {
if (!request.body) return response.sendStatus(400);
@ -1816,6 +1619,11 @@ app.use('/api/extra/caption', require('./src/endpoints/caption').router);
// Web search extension
app.use('/api/serpapi', require('./src/endpoints/serpapi').router);
// The different text generation APIs
// Ooba/OpenAI text completions
app.use('/api/backends/text-completions', require('./src/endpoints/backends/text-completions').router);
const tavernUrl = new URL(
(cliArguments.ssl ? 'https://' : 'http://') +
(listen ? '0.0.0.0' : '127.0.0.1') +

208
src/endpoints/backends/text-completions.js Normal file
View File

@ -0,0 +1,208 @@
const express = require('express');
const fetch = require('node-fetch').default;
const { jsonParser } = require('../../express-common');
const { TEXTGEN_TYPES } = require('../../constants');
const { forwardFetchResponse } = require('../../util');
const { setAdditionalHeaders } = require('../../additional-headers');
const router = express.Router();
//************** Ooba/OpenAI text completions API
router.post('/status', jsonParser, async function (request, response) {
if (!request.body) return response.sendStatus(400);
try {
if (request.body.api_server.indexOf('localhost') !== -1) {
request.body.api_server = request.body.api_server.replace('localhost', '127.0.0.1');
}
console.log('Trying to connect to API:', request.body);
// Convert to string + remove trailing slash + /v1 suffix
const baseUrl = String(request.body.api_server).replace(/\/$/, '').replace(/\/v1$/, '');
const args = {
headers: { 'Content-Type': 'application/json' },
};
setAdditionalHeaders(request, args, baseUrl);
let url = baseUrl;
let result = '';
if (request.body.legacy_api) {
url += '/v1/model';
} else {
switch (request.body.api_type) {
case TEXTGEN_TYPES.OOBA:
case TEXTGEN_TYPES.APHRODITE:
case TEXTGEN_TYPES.KOBOLDCPP:
url += '/v1/models';
break;
case TEXTGEN_TYPES.MANCER:
url += '/oai/v1/models';
break;
case TEXTGEN_TYPES.TABBY:
url += '/v1/model/list';
break;
}
}
const modelsReply = await fetch(url, args);
if (!modelsReply.ok) {
console.log('Models endpoint is offline.');
return response.status(400);
}
const data = await modelsReply.json();
if (request.body.legacy_api) {
console.log('Legacy API response:', data);
return response.send({ result: data?.result });
}
if (!Array.isArray(data.data)) {
console.log('Models response is not an array.');
return response.status(400);
}
const modelIds = data.data.map(x => x.id);
console.log('Models available:', modelIds);
// Set result to the first model ID
result = modelIds[0] || 'Valid';
if (request.body.api_type === TEXTGEN_TYPES.OOBA) {
try {
const modelInfoUrl = baseUrl + '/v1/internal/model/info';
const modelInfoReply = await fetch(modelInfoUrl, args);
if (modelInfoReply.ok) {
const modelInfo = await modelInfoReply.json();
console.log('Ooba model info:', modelInfo);
const modelName = modelInfo?.model_name;
result = modelName || result;
}
} catch (error) {
console.error(`Failed to get Ooba model info: ${error}`);
}
} else if (request.body.api_type === TEXTGEN_TYPES.TABBY) {
try {
const modelInfoUrl = baseUrl + '/v1/model';
const modelInfoReply = await fetch(modelInfoUrl, args);
if (modelInfoReply.ok) {
const modelInfo = await modelInfoReply.json();
console.log('Tabby model info:', modelInfo);
const modelName = modelInfo?.id;
result = modelName || result;
} else {
// TabbyAPI returns an error 400 if a model isn't loaded
result = 'None';
}
} catch (error) {
console.error(`Failed to get TabbyAPI model info: ${error}`);
}
}
return response.send({ result, data: data.data });
} catch (error) {
console.error(error);
return response.status(500);
}
});
router.post('/generate', jsonParser, async function (request, response_generate) {
if (!request.body) return response_generate.sendStatus(400);
try {
if (request.body.api_server.indexOf('localhost') !== -1) {
request.body.api_server = request.body.api_server.replace('localhost', '127.0.0.1');
}
const baseUrl = request.body.api_server;
console.log(request.body);
const controller = new AbortController();
request.socket.removeAllListeners('close');
request.socket.on('close', function () {
controller.abort();
});
// Convert to string + remove trailing slash + /v1 suffix
let url = String(baseUrl).replace(/\/$/, '').replace(/\/v1$/, '');
if (request.body.legacy_api) {
url += '/v1/generate';
} else {
switch (request.body.api_type) {
case TEXTGEN_TYPES.APHRODITE:
case TEXTGEN_TYPES.OOBA:
case TEXTGEN_TYPES.TABBY:
case TEXTGEN_TYPES.KOBOLDCPP:
url += '/v1/completions';
break;
case TEXTGEN_TYPES.MANCER:
url += '/oai/v1/completions';
break;
}
}
const args = {
method: 'POST',
body: JSON.stringify(request.body),
headers: { 'Content-Type': 'application/json' },
signal: controller.signal,
timeout: 0,
};
setAdditionalHeaders(request, args, baseUrl);
if (request.body.stream) {
const completionsStream = await fetch(url, args);
// Pipe remote SSE stream to Express response
forwardFetchResponse(completionsStream, response_generate);
}
else {
const completionsReply = await fetch(url, args);
if (completionsReply.ok) {
const data = await completionsReply.json();
console.log('Endpoint response:', data);
// Wrap legacy response to OAI completions format
if (request.body.legacy_api) {
const text = data?.results[0]?.text;
data['choices'] = [{ text }];
}
return response_generate.send(data);
} else {
const text = await completionsReply.text();
const errorBody = { error: true, status: completionsReply.status, response: text };
if (!response_generate.headersSent) {
return response_generate.send(errorBody);
}
return response_generate.end();
}
}
} catch (error) {
let value = { error: true, status: error?.status, response: error?.statusText };
console.log('Endpoint error:', error);
if (!response_generate.headersSent) {
return response_generate.send(value);
}
return response_generate.end();
}
});
module.exports = { router };

2
src/util.js
View File

@ -349,7 +349,7 @@ function getImages(path) {
/**
* Pipe a fetch() response to an Express.js Response, including status code.
* @param {Response} from The Fetch API response to pipe from.
* @param {import('node-fetch').Response} from The Fetch API response to pipe from.
* @param {Express.Response} to The Express response to pipe to.
*/
function forwardFetchResponse(from, to) {