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Move API tokenization endpoint into /tokenizers

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Requires extracting some more functions out of server.js.
This commit is contained in:
valadaptive
2023-12-09 19:35:49 -05:00
parent 8bad059a62
commit 04e92efe29
3 changed files with 162 additions and 151 deletions
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89
src/endpoints/tokenizers.js
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@ -6,7 +6,9 @@ const tiktoken = require('@dqbd/tiktoken');
const { Tokenizer } = require('@agnai/web-tokenizers');
const { convertClaudePrompt } = require('../chat-completion');
const { readSecret, SECRET_KEYS } = require('./secrets');
const { TEXTGEN_TYPES } = require('../constants');
const { jsonParser } = require('../express-common');
const { setAdditionalHeaders } = require('../additional-headers');
/**
* @type {{[key: string]: import("@dqbd/tiktoken").Tiktoken}} Tokenizers cache
@ -534,6 +536,93 @@ router.post('/openai/count', jsonParser, async function (req, res) {
}
});
router.post('/remote/encode', jsonParser, async function (request, response) {
if (!request.body) {
return response.sendStatus(400);
}
const text = String(request.body.text) || '';
const api = String(request.body.main_api);
const baseUrl = String(request.body.url);
const legacyApi = Boolean(request.body.legacy_api);
try {
if (api == 'textgenerationwebui') {
const args = {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
};
setAdditionalHeaders(request, args, null);
// Convert to string + remove trailing slash + /v1 suffix
let url = String(baseUrl).replace(/\/$/, '').replace(/\/v1$/, '');
if (legacyApi) {
url += '/v1/token-count';
args.body = JSON.stringify({ 'prompt': text });
} else {
switch (request.body.api_type) {
case TEXTGEN_TYPES.TABBY:
url += '/v1/token/encode';
args.body = JSON.stringify({ 'text': text });
break;
case TEXTGEN_TYPES.KOBOLDCPP:
url += '/api/extra/tokencount';
args.body = JSON.stringify({ 'prompt': text });
break;
default:
url += '/v1/internal/encode';
args.body = JSON.stringify({ 'text': text });
break;
}
}
const result = await fetch(url, args);
if (!result.ok) {
console.log(`API returned error: ${result.status} ${result.statusText}`);
return response.send({ error: true });
}
const data = await result.json();
const count = legacyApi ? data?.results[0]?.tokens : (data?.length ?? data?.value);
const ids = legacyApi ? [] : (data?.tokens ?? []);
return response.send({ count, ids });
}
else if (api == 'kobold') {
const args = {
method: 'POST',
body: JSON.stringify({ 'prompt': text }),
headers: { 'Content-Type': 'application/json' },
};
let url = String(baseUrl).replace(/\/$/, '');
url += '/extra/tokencount';
const result = await fetch(url, args);
if (!result.ok) {
console.log(`API returned error: ${result.status} ${result.statusText}`);
return response.send({ error: true });
}
const data = await result.json();
const count = data['value'];
return response.send({ count: count, ids: [] });
}
else {
console.log('Unknown API', api);
return response.send({ error: true });
}
} catch (error) {
console.log(error);
return response.send({ error: true });
}
});
module.exports = {
TEXT_COMPLETION_MODELS,
getTokenizerModel,