mirror of
https://github.com/SillyTavern/SillyTavern.git
synced 2024-12-15 18:59:07 +01:00
968 lines
32 KiB
JavaScript
968 lines
32 KiB
JavaScript
import {
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getRequestHeaders,
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getStoppingStrings,
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max_context,
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online_status,
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saveSettingsDebounced,
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setGenerationParamsFromPreset,
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setOnlineStatus,
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substituteParams,
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} from '../script.js';
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import { BIAS_CACHE, createNewLogitBiasEntry, displayLogitBias, getLogitBiasListResult } from './logit-bias.js';
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import { power_user, registerDebugFunction } from './power-user.js';
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import EventSourceStream from './sse-stream.js';
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import { SENTENCEPIECE_TOKENIZERS, TEXTGEN_TOKENIZERS, getTextTokens, tokenizers } from './tokenizers.js';
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import { getSortableDelay, onlyUnique } from './utils.js';
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export {
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settings as textgenerationwebui_settings,
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loadTextGenSettings,
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generateTextGenWithStreaming,
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formatTextGenURL,
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};
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export const textgen_types = {
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OOBA: 'ooba',
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MANCER: 'mancer',
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APHRODITE: 'aphrodite',
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TABBY: 'tabby',
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KOBOLDCPP: 'koboldcpp',
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TOGETHERAI: 'togetherai',
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LLAMACPP: 'llamacpp',
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OLLAMA: 'ollama',
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};
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const { MANCER, APHRODITE, TABBY, TOGETHERAI, OOBA, OLLAMA, LLAMACPP } = textgen_types;
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const OOBA_DEFAULT_ORDER = [
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'temperature',
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'dynamic_temperature',
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'quadratic_sampling',
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'top_k',
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'top_p',
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'typical_p',
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'epsilon_cutoff',
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'eta_cutoff',
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'tfs',
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'top_a',
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'min_p',
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'mirostat',
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];
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const BIAS_KEY = '#textgenerationwebui_api-settings';
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// Maybe let it be configurable in the future?
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// (7 days later) The future has come.
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const MANCER_SERVER_KEY = 'mancer_server';
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const MANCER_SERVER_DEFAULT = 'https://neuro.mancer.tech';
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let MANCER_SERVER = localStorage.getItem(MANCER_SERVER_KEY) ?? MANCER_SERVER_DEFAULT;
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let TOGETHERAI_SERVER = 'https://api.together.xyz';
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const SERVER_INPUTS = {
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[textgen_types.OOBA]: '#textgenerationwebui_api_url_text',
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[textgen_types.APHRODITE]: '#aphrodite_api_url_text',
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[textgen_types.TABBY]: '#tabby_api_url_text',
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[textgen_types.KOBOLDCPP]: '#koboldcpp_api_url_text',
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[textgen_types.LLAMACPP]: '#llamacpp_api_url_text',
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[textgen_types.OLLAMA]: '#ollama_api_url_text',
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};
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const KOBOLDCPP_ORDER = [6, 0, 1, 3, 4, 2, 5];
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const settings = {
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temp: 0.7,
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temperature_last: true,
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top_p: 0.5,
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top_k: 40,
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top_a: 0,
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tfs: 1,
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epsilon_cutoff: 0,
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eta_cutoff: 0,
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typical_p: 1,
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min_p: 0,
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rep_pen: 1.2,
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rep_pen_range: 0,
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no_repeat_ngram_size: 0,
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penalty_alpha: 0,
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num_beams: 1,
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length_penalty: 1,
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min_length: 0,
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encoder_rep_pen: 1,
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freq_pen: 0,
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presence_pen: 0,
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do_sample: true,
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early_stopping: false,
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dynatemp: false,
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min_temp: 0,
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max_temp: 2.0,
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dynatemp_exponent: 1.0,
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smoothing_factor: 0.0,
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seed: -1,
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preset: 'Default',
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add_bos_token: true,
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stopping_strings: [],
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truncation_length: 2048,
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ban_eos_token: false,
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skip_special_tokens: true,
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streaming: false,
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mirostat_mode: 0,
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mirostat_tau: 5,
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mirostat_eta: 0.1,
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guidance_scale: 1,
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negative_prompt: '',
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grammar_string: '',
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banned_tokens: '',
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sampler_priority: OOBA_DEFAULT_ORDER,
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//n_aphrodite: 1,
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//best_of_aphrodite: 1,
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ignore_eos_token_aphrodite: false,
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spaces_between_special_tokens_aphrodite: true,
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//logits_processors_aphrodite: [],
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//log_probs_aphrodite: 0,
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//prompt_log_probs_aphrodite: 0,
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type: textgen_types.OOBA,
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mancer_model: 'mytholite',
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togetherai_model: 'Gryphe/MythoMax-L2-13b',
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ollama_model: '',
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legacy_api: false,
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sampler_order: KOBOLDCPP_ORDER,
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logit_bias: [],
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n: 1,
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server_urls: {},
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custom_model: '',
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bypass_status_check: false,
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};
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export let textgenerationwebui_banned_in_macros = [];
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export let textgenerationwebui_presets = [];
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export let textgenerationwebui_preset_names = [];
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const setting_names = [
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'temp',
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'temperature_last',
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'rep_pen',
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'rep_pen_range',
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'no_repeat_ngram_size',
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'top_k',
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'top_p',
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'top_a',
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'tfs',
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'epsilon_cutoff',
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'eta_cutoff',
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'typical_p',
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'min_p',
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'penalty_alpha',
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'num_beams',
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'length_penalty',
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'min_length',
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'dynatemp',
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'min_temp',
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'max_temp',
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'dynatemp_exponent',
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'smoothing_factor',
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'encoder_rep_pen',
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'freq_pen',
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'presence_pen',
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'do_sample',
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'early_stopping',
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'seed',
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'add_bos_token',
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'ban_eos_token',
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'skip_special_tokens',
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'streaming',
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'mirostat_mode',
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'mirostat_tau',
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'mirostat_eta',
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'guidance_scale',
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'negative_prompt',
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'grammar_string',
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'banned_tokens',
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'legacy_api',
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//'n_aphrodite',
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//'best_of_aphrodite',
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'ignore_eos_token_aphrodite',
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'spaces_between_special_tokens_aphrodite',
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//'logits_processors_aphrodite',
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//'log_probs_aphrodite',
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//'prompt_log_probs_aphrodite'
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'sampler_order',
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'sampler_priority',
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'n',
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'logit_bias',
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'custom_model',
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'bypass_status_check',
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];
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export function validateTextGenUrl() {
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const selector = SERVER_INPUTS[settings.type];
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if (!selector) {
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return;
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}
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const control = $(selector);
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const url = String(control.val()).trim();
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const formattedUrl = formatTextGenURL(url);
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if (!formattedUrl) {
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toastr.error('Enter a valid API URL', 'Text Completion API');
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return;
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}
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control.val(formattedUrl);
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}
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export function getTextGenServer() {
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if (settings.type === MANCER) {
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return MANCER_SERVER;
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}
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if (settings.type === TOGETHERAI) {
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return TOGETHERAI_SERVER;
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}
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return settings.server_urls[settings.type] ?? '';
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}
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async function selectPreset(name) {
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const preset = textgenerationwebui_presets[textgenerationwebui_preset_names.indexOf(name)];
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if (!preset) {
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return;
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}
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settings.preset = name;
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for (const name of setting_names) {
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const value = preset[name];
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setSettingByName(name, value, true);
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}
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setGenerationParamsFromPreset(preset);
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BIAS_CACHE.delete(BIAS_KEY);
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displayLogitBias(preset.logit_bias, BIAS_KEY);
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saveSettingsDebounced();
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}
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function formatTextGenURL(value) {
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try {
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// Mancer/Together doesn't need any formatting (it's hardcoded)
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if (settings.type === MANCER || settings.type === TOGETHERAI) {
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return value;
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}
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const url = new URL(value);
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if (url.pathname === '/api' && !settings.legacy_api) {
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toastr.info('Enable Legacy API or start Ooba with the OpenAI extension enabled.', 'Legacy API URL detected. Generation may fail.', { preventDuplicates: true, timeOut: 10000, extendedTimeOut: 20000 });
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url.pathname = '';
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}
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if (!power_user.relaxed_api_urls && settings.legacy_api) {
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url.pathname = '/api';
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}
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return url.toString();
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} catch {
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// Just using URL as a validation check
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}
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return null;
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}
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function convertPresets(presets) {
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return Array.isArray(presets) ? presets.map((p) => JSON.parse(p)) : [];
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}
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function getTokenizerForTokenIds() {
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if (power_user.tokenizer === tokenizers.API_CURRENT && TEXTGEN_TOKENIZERS.includes(settings.type)) {
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return tokenizers.API_CURRENT;
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}
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if (SENTENCEPIECE_TOKENIZERS.includes(power_user.tokenizer)) {
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return power_user.tokenizer;
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}
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return tokenizers.LLAMA;
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}
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/**
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* @returns {string} String with comma-separated banned token IDs
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*/
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function getCustomTokenBans() {
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if (!settings.banned_tokens && !textgenerationwebui_banned_in_macros.length) {
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return '';
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}
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const tokenizer = getTokenizerForTokenIds();
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const result = [];
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const sequences = settings.banned_tokens
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.split('\n')
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.concat(textgenerationwebui_banned_in_macros)
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.filter(x => x.length > 0)
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.filter(onlyUnique);
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//debug
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if (textgenerationwebui_banned_in_macros.length) {
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console.log('=== Found banned word sequences in the macros:', textgenerationwebui_banned_in_macros, 'Resulting array of banned sequences (will be used this generation turn):', sequences);
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}
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//clean old temporary bans found in macros before, for the next generation turn.
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textgenerationwebui_banned_in_macros = [];
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for (const line of sequences) {
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// Raw token ids, JSON serialized
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if (line.startsWith('[') && line.endsWith(']')) {
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try {
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const tokens = JSON.parse(line);
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if (Array.isArray(tokens) && tokens.every(t => Number.isInteger(t))) {
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result.push(...tokens);
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} else {
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throw new Error('Not an array of integers');
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}
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} catch (err) {
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console.log(`Failed to parse bad word token list: ${line}`, err);
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}
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} else {
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try {
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const tokens = getTextTokens(tokenizer, line);
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result.push(...tokens);
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} catch {
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console.log(`Could not tokenize raw text: ${line}`);
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}
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}
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}
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return result.filter(onlyUnique).map(x => String(x)).join(',');
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}
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/**
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* Calculates logit bias object from the logit bias list.
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* @returns {object} Logit bias object
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*/
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function calculateLogitBias() {
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if (!Array.isArray(settings.logit_bias) || settings.logit_bias.length === 0) {
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return {};
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}
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const tokenizer = getTokenizerForTokenIds();
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const result = {};
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/**
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* Adds bias to the logit bias object.
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* @param {number} bias
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* @param {number[]} sequence
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* @returns {object} Accumulated logit bias object
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*/
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function addBias(bias, sequence) {
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if (sequence.length === 0) {
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return;
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}
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for (const logit of sequence) {
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const key = String(logit);
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result[key] = bias;
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}
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return result;
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}
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getLogitBiasListResult(settings.logit_bias, tokenizer, addBias);
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return result;
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}
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function loadTextGenSettings(data, loadedSettings) {
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textgenerationwebui_presets = convertPresets(data.textgenerationwebui_presets);
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textgenerationwebui_preset_names = data.textgenerationwebui_preset_names ?? [];
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Object.assign(settings, loadedSettings.textgenerationwebui_settings ?? {});
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if (loadedSettings.api_server_textgenerationwebui) {
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for (const type of Object.keys(SERVER_INPUTS)) {
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settings.server_urls[type] = loadedSettings.api_server_textgenerationwebui;
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}
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delete loadedSettings.api_server_textgenerationwebui;
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}
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for (const [type, selector] of Object.entries(SERVER_INPUTS)) {
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const control = $(selector);
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control.val(settings.server_urls[type] ?? '').on('input', function () {
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settings.server_urls[type] = String($(this).val());
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saveSettingsDebounced();
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});
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}
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if (loadedSettings.api_use_mancer_webui) {
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settings.type = MANCER;
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}
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for (const name of textgenerationwebui_preset_names) {
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const option = document.createElement('option');
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option.value = name;
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option.innerText = name;
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$('#settings_preset_textgenerationwebui').append(option);
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}
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if (settings.preset) {
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$('#settings_preset_textgenerationwebui').val(settings.preset);
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}
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for (const i of setting_names) {
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const value = settings[i];
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setSettingByName(i, value);
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}
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$('#textgen_type').val(settings.type);
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showTypeSpecificControls(settings.type);
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BIAS_CACHE.delete(BIAS_KEY);
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displayLogitBias(settings.logit_bias, BIAS_KEY);
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//this is needed because showTypeSpecificControls() does not handle NOT declarations
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if (settings.type === textgen_types.APHRODITE) {
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$('[data-forAphro="False"]').each(function () {
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$(this).hide();
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});
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} else {
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$('[data-forAphro="False"]').each(function () {
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if ($(this).css('display') !== 'none') { //if it wasn't already hidden by showTypeSpecificControls
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$(this).show();
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}
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});
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}
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registerDebugFunction('change-mancer-url', 'Change Mancer base URL', 'Change Mancer API server base URL', () => {
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const result = prompt(`Enter Mancer base URL\nDefault: ${MANCER_SERVER_DEFAULT}`, MANCER_SERVER);
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if (result) {
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localStorage.setItem(MANCER_SERVER_KEY, result);
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MANCER_SERVER = result;
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}
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});
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}
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/**
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* Sorts the sampler items by the given order.
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* @param {any[]} orderArray Sampler order array.
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*/
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function sortKoboldItemsByOrder(orderArray) {
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console.debug('Preset samplers order: ' + orderArray);
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const $draggableItems = $('#koboldcpp_order');
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for (let i = 0; i < orderArray.length; i++) {
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const index = orderArray[i];
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const $item = $draggableItems.find(`[data-id="${index}"]`).detach();
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$draggableItems.append($item);
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}
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}
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function sortOobaItemsByOrder(orderArray) {
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console.debug('Preset samplers order: ', orderArray);
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const $container = $('#sampler_priority_container');
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orderArray.forEach((name) => {
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const $item = $container.find(`[data-name="${name}"]`).detach();
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$container.append($item);
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});
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}
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jQuery(function () {
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$('#koboldcpp_order').sortable({
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delay: getSortableDelay(),
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stop: function () {
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const order = [];
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$('#koboldcpp_order').children().each(function () {
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order.push($(this).data('id'));
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});
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settings.sampler_order = order;
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console.log('Samplers reordered:', settings.sampler_order);
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saveSettingsDebounced();
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},
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});
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$('#koboldcpp_default_order').on('click', function () {
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settings.sampler_order = KOBOLDCPP_ORDER;
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sortKoboldItemsByOrder(settings.sampler_order);
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saveSettingsDebounced();
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});
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$('#sampler_priority_container').sortable({
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delay: getSortableDelay(),
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stop: function () {
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const order = [];
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$('#sampler_priority_container').children().each(function () {
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order.push($(this).data('name'));
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});
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settings.sampler_priority = order;
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console.log('Samplers reordered:', settings.sampler_priority);
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saveSettingsDebounced();
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},
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});
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$('#textgenerationwebui_default_order').on('click', function () {
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sortOobaItemsByOrder(OOBA_DEFAULT_ORDER);
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settings.sampler_priority = OOBA_DEFAULT_ORDER;
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console.log('Default samplers order loaded:', settings.sampler_priority);
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saveSettingsDebounced();
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});
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$('#textgen_type').on('change', function () {
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const type = String($(this).val());
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settings.type = type;
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if (settings.type === textgen_types.APHRODITE) {
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//this is needed because showTypeSpecificControls() does not handle NOT declarations
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$('[data-forAphro="False"]').each(function () {
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$(this).hide();
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});
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$('#mirostat_mode_textgenerationwebui').attr('step', 2); //Aphro disallows mode 1
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$('#do_sample_textgenerationwebui').prop('checked', true); //Aphro should always do sample; 'otherwise set temp to 0 to mimic no sample'
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$('#ban_eos_token_textgenerationwebui').prop('checked', false); //Aphro should not ban EOS, just ignore it; 'add token '2' to ban list do to this'
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//special handling for Aphrodite topK -1 disable state
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$('#top_k_textgenerationwebui').attr('min', -1);
|
|
if ($('#top_k_textgenerationwebui').val() === '0' || settings['top_k'] === 0) {
|
|
settings['top_k'] = -1;
|
|
$('#top_k_textgenerationwebui').val('-1').trigger('input');
|
|
}
|
|
} else {
|
|
//this is needed because showTypeSpecificControls() does not handle NOT declarations
|
|
$('[data-forAphro="False"]').each(function () {
|
|
$(this).show();
|
|
});
|
|
$('#mirostat_mode_textgenerationwebui').attr('step', 1);
|
|
//undo special Aphrodite setup for topK
|
|
$('#top_k_textgenerationwebui').attr('min', 0);
|
|
if ($('#top_k_textgenerationwebui').val() === '-1' || settings['top_k'] === -1) {
|
|
settings['top_k'] = 0;
|
|
$('#top_k_textgenerationwebui').val('0').trigger('input');
|
|
}
|
|
}
|
|
|
|
showTypeSpecificControls(type);
|
|
setOnlineStatus('no_connection');
|
|
BIAS_CACHE.delete(BIAS_KEY);
|
|
|
|
$('#main_api').trigger('change');
|
|
|
|
if (!SERVER_INPUTS[type] || settings.server_urls[type]) {
|
|
$('#api_button_textgenerationwebui').trigger('click');
|
|
}
|
|
|
|
saveSettingsDebounced();
|
|
});
|
|
|
|
$('#settings_preset_textgenerationwebui').on('change', function () {
|
|
const presetName = $(this).val();
|
|
selectPreset(presetName);
|
|
});
|
|
|
|
$('#samplerResetButton').off('click').on('click', function () {
|
|
const inputs = {
|
|
'temp_textgenerationwebui': 1,
|
|
'top_k_textgenerationwebui': 0,
|
|
'top_p_textgenerationwebui': 1,
|
|
'min_p_textgenerationwebui': 0,
|
|
'rep_pen_textgenerationwebui': 1,
|
|
'rep_pen_range_textgenerationwebui': 0,
|
|
'dynatemp_textgenerationwebui': false,
|
|
'seed_textgenerationwebui': -1,
|
|
'ban_eos_token_textgenerationwebui': false,
|
|
'do_sample_textgenerationwebui': true,
|
|
'add_bos_token_textgenerationwebui': true,
|
|
'temperature_last_textgenerationwebui': true,
|
|
'skip_special_tokens_textgenerationwebui': true,
|
|
'top_a_textgenerationwebui': 0,
|
|
'top_a_counter_textgenerationwebui': 0,
|
|
'mirostat_mode_textgenerationwebui': 0,
|
|
'mirostat_tau_textgenerationwebui': 5,
|
|
'mirostat_eta_textgenerationwebui': 0.1,
|
|
'tfs_textgenerationwebui': 1,
|
|
'epsilon_cutoff_textgenerationwebui': 0,
|
|
'eta_cutoff_textgenerationwebui': 0,
|
|
'encoder_rep_pen_textgenerationwebui': 1,
|
|
'freq_pen_textgenerationwebui': 0,
|
|
'presence_pen_textgenerationwebui': 0,
|
|
'no_repeat_ngram_size_textgenerationwebui': 0,
|
|
'min_length_textgenerationwebui': 0,
|
|
'num_beams_textgenerationwebui': 1,
|
|
'length_penalty_textgenerationwebui': 0,
|
|
'penalty_alpha_textgenerationwebui': 0,
|
|
'typical_p_textgenerationwebui': 1, // Added entry
|
|
'guidance_scale_textgenerationwebui': 1,
|
|
'smoothing_factor_textgenerationwebui': 0,
|
|
};
|
|
|
|
for (const [id, value] of Object.entries(inputs)) {
|
|
const inputElement = $(`#${id}`);
|
|
if (inputElement.prop('type') === 'checkbox') {
|
|
inputElement.prop('checked', value);
|
|
} else if (inputElement.prop('type') === 'number') {
|
|
inputElement.val(value).trigger('input');
|
|
} else {
|
|
inputElement.val(value).trigger('input');
|
|
if (power_user.enableZenSliders) {
|
|
let masterElementID = inputElement.prop('id');
|
|
console.log(masterElementID);
|
|
let zenSlider = $(`#${masterElementID}_zenslider`).slider();
|
|
zenSlider.slider('option', 'value', value);
|
|
zenSlider.slider('option', 'slide')
|
|
.call(zenSlider, null, {
|
|
handle: $('.ui-slider-handle', zenSlider), value: value,
|
|
});
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
for (const i of setting_names) {
|
|
$(`#${i}_textgenerationwebui`).attr('x-setting-id', i);
|
|
$(document).on('input', `#${i}_textgenerationwebui`, function () {
|
|
const isCheckbox = $(this).attr('type') == 'checkbox';
|
|
const isText = $(this).attr('type') == 'text' || $(this).is('textarea');
|
|
const id = $(this).attr('x-setting-id');
|
|
|
|
if (isCheckbox) {
|
|
const value = $(this).prop('checked');
|
|
settings[id] = value;
|
|
}
|
|
else if (isText) {
|
|
const value = $(this).val();
|
|
settings[id] = value;
|
|
}
|
|
else {
|
|
const value = Number($(this).val());
|
|
$(`#${id}_counter_textgenerationwebui`).val(value);
|
|
settings[id] = value;
|
|
//special handling for aphrodite using -1 as disabled instead of 0
|
|
if ($(this).attr('id') === 'top_k_textgenerationwebui' &&
|
|
settings.type === textgen_types.APHRODITE &&
|
|
value === 0) {
|
|
settings[id] = -1;
|
|
$(this).val(-1);
|
|
}
|
|
}
|
|
saveSettingsDebounced();
|
|
});
|
|
}
|
|
|
|
$('#textgen_logit_bias_new_entry').on('click', () => createNewLogitBiasEntry(settings.logit_bias, BIAS_KEY));
|
|
});
|
|
|
|
function showTypeSpecificControls(type) {
|
|
$('[data-tg-type]').each(function () {
|
|
const tgTypes = $(this).attr('data-tg-type').split(',').map(x => x.trim());
|
|
for (const tgType of tgTypes) {
|
|
if (tgType === type || tgType == 'all') {
|
|
$(this).show();
|
|
return;
|
|
} else {
|
|
$(this).hide();
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
function setSettingByName(setting, value, trigger) {
|
|
if (value === null || value === undefined) {
|
|
return;
|
|
}
|
|
|
|
if ('sampler_order' === setting) {
|
|
value = Array.isArray(value) ? value : KOBOLDCPP_ORDER;
|
|
sortKoboldItemsByOrder(value);
|
|
settings.sampler_order = value;
|
|
return;
|
|
}
|
|
|
|
if ('sampler_priority' === setting) {
|
|
value = Array.isArray(value) ? value : OOBA_DEFAULT_ORDER;
|
|
sortOobaItemsByOrder(value);
|
|
settings.sampler_priority = value;
|
|
return;
|
|
}
|
|
|
|
if ('logit_bias' === setting) {
|
|
settings.logit_bias = Array.isArray(value) ? value : [];
|
|
return;
|
|
}
|
|
|
|
const isCheckbox = $(`#${setting}_textgenerationwebui`).attr('type') == 'checkbox';
|
|
const isText = $(`#${setting}_textgenerationwebui`).attr('type') == 'text' || $(`#${setting}_textgenerationwebui`).is('textarea');
|
|
if (isCheckbox) {
|
|
const val = Boolean(value);
|
|
$(`#${setting}_textgenerationwebui`).prop('checked', val);
|
|
}
|
|
else if (isText) {
|
|
$(`#${setting}_textgenerationwebui`).val(value);
|
|
}
|
|
else {
|
|
const val = parseFloat(value);
|
|
$(`#${setting}_textgenerationwebui`).val(val);
|
|
$(`#${setting}_counter_textgenerationwebui`).val(val);
|
|
if (power_user.enableZenSliders) {
|
|
let zenSlider = $(`#${setting}_textgenerationwebui_zenslider`).slider();
|
|
zenSlider.slider('option', 'value', val);
|
|
zenSlider.slider('option', 'slide')
|
|
.call(zenSlider, null, {
|
|
handle: $('.ui-slider-handle', zenSlider), value: val,
|
|
});
|
|
}
|
|
}
|
|
|
|
if (trigger) {
|
|
$(`#${setting}_textgenerationwebui`).trigger('input');
|
|
}
|
|
}
|
|
|
|
async function generateTextGenWithStreaming(generate_data, signal) {
|
|
generate_data.stream = true;
|
|
|
|
const response = await fetch('/api/backends/text-completions/generate', {
|
|
headers: {
|
|
...getRequestHeaders(),
|
|
},
|
|
body: JSON.stringify(generate_data),
|
|
method: 'POST',
|
|
signal: signal,
|
|
});
|
|
|
|
if (!response.ok) {
|
|
tryParseStreamingError(response, await response.text());
|
|
throw new Error(`Got response status ${response.status}`);
|
|
}
|
|
|
|
const eventStream = new EventSourceStream();
|
|
response.body.pipeThrough(eventStream);
|
|
const reader = eventStream.readable.getReader();
|
|
|
|
return async function* streamData() {
|
|
let text = '';
|
|
/** @type {import('logprobs.js').TokenLogprobs | null} */
|
|
let logprobs = null;
|
|
const swipes = [];
|
|
while (true) {
|
|
const { done, value } = await reader.read();
|
|
if (done) return;
|
|
if (value.data === '[DONE]') return;
|
|
|
|
tryParseStreamingError(response, value.data);
|
|
|
|
let data = JSON.parse(value.data);
|
|
|
|
if (data?.choices?.[0]?.index > 0) {
|
|
const swipeIndex = data.choices[0].index - 1;
|
|
swipes[swipeIndex] = (swipes[swipeIndex] || '') + data.choices[0].text;
|
|
} else {
|
|
const newText = data?.choices?.[0]?.text || data?.content || '';
|
|
text += newText;
|
|
logprobs = parseTextgenLogprobs(newText, data.choices?.[0]?.logprobs);
|
|
}
|
|
|
|
yield { text, swipes, logprobs };
|
|
}
|
|
};
|
|
}
|
|
|
|
/**
|
|
* parseTextgenLogprobs converts a logprobs object returned from a textgen API
|
|
* for a single token into a TokenLogprobs object used by the Token
|
|
* Probabilities feature.
|
|
* @param {string} token - the text of the token that the logprobs are for
|
|
* @param {Object} logprobs - logprobs object returned from the API
|
|
* @returns {import('logprobs.js').TokenLogprobs | null} - converted logprobs
|
|
*/
|
|
function parseTextgenLogprobs(token, logprobs) {
|
|
if (!logprobs) {
|
|
return null;
|
|
}
|
|
|
|
switch (settings.type) {
|
|
case TABBY:
|
|
case APHRODITE:
|
|
case OOBA: {
|
|
/** @type {Record<string, number>[]} */
|
|
const topLogprobs = logprobs.top_logprobs;
|
|
if (!topLogprobs?.length) {
|
|
return null;
|
|
}
|
|
const candidates = Object.entries(topLogprobs[0]);
|
|
return { token, topLogprobs: candidates };
|
|
}
|
|
default:
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parses errors in streaming responses and displays them in toastr.
|
|
* @param {Response} response - Response from the server.
|
|
* @param {string} decoded - Decoded response body.
|
|
* @returns {void} Nothing.
|
|
*/
|
|
function tryParseStreamingError(response, decoded) {
|
|
let data = {};
|
|
|
|
try {
|
|
data = JSON.parse(decoded);
|
|
} catch {
|
|
// No JSON. Do nothing.
|
|
}
|
|
|
|
const message = data?.error?.message || data?.message;
|
|
|
|
if (message) {
|
|
toastr.error(message, 'Text Completion API');
|
|
throw new Error(message);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Converts a string of comma-separated integers to an array of integers.
|
|
* @param {string} string Input string
|
|
* @returns {number[]} Array of integers
|
|
*/
|
|
function toIntArray(string) {
|
|
if (!string) {
|
|
return [];
|
|
}
|
|
|
|
return string.split(',').map(x => parseInt(x)).filter(x => !isNaN(x));
|
|
}
|
|
|
|
function getModel() {
|
|
if (settings.type === OOBA && settings.custom_model) {
|
|
return settings.custom_model;
|
|
}
|
|
|
|
if (settings.type === MANCER) {
|
|
return settings.mancer_model;
|
|
}
|
|
|
|
if (settings.type === TOGETHERAI) {
|
|
return settings.togetherai_model;
|
|
}
|
|
|
|
if (settings.type === APHRODITE) {
|
|
return online_status;
|
|
}
|
|
|
|
if (settings.type === OLLAMA) {
|
|
if (!settings.ollama_model) {
|
|
toastr.error('No Ollama model selected.', 'Text Completion API');
|
|
throw new Error('No Ollama model selected');
|
|
}
|
|
|
|
return settings.ollama_model;
|
|
}
|
|
|
|
return undefined;
|
|
}
|
|
|
|
export function getTextGenGenerationData(finalPrompt, maxTokens, isImpersonate, isContinue, cfgValues, type) {
|
|
const canMultiSwipe = !isContinue && !isImpersonate && type !== 'quiet';
|
|
let params = {
|
|
'prompt': finalPrompt,
|
|
'model': getModel(),
|
|
'max_new_tokens': maxTokens,
|
|
'max_tokens': maxTokens,
|
|
'logprobs': power_user.request_token_probabilities ? 10 : undefined,
|
|
'temperature': settings.dynatemp ? (settings.min_temp + settings.max_temp) / 2 : settings.temp,
|
|
'top_p': settings.top_p,
|
|
'typical_p': settings.typical_p,
|
|
'typical': settings.typical_p,
|
|
'sampler_seed': settings.seed,
|
|
'min_p': settings.min_p,
|
|
'repetition_penalty': settings.rep_pen,
|
|
'frequency_penalty': settings.freq_pen,
|
|
'presence_penalty': settings.presence_pen,
|
|
'top_k': settings.top_k,
|
|
'min_length': settings.type === OOBA ? settings.min_length : undefined,
|
|
'min_tokens': settings.min_length,
|
|
'num_beams': settings.type === OOBA ? settings.num_beams : undefined,
|
|
'length_penalty': settings.length_penalty,
|
|
'early_stopping': settings.early_stopping,
|
|
'add_bos_token': settings.add_bos_token,
|
|
'dynamic_temperature': settings.dynatemp,
|
|
'dynatemp_low': settings.dynatemp ? settings.min_temp : 1,
|
|
'dynatemp_high': settings.dynatemp ? settings.max_temp : 1,
|
|
'dynatemp_range': settings.dynatemp ? (settings.max_temp - settings.min_temp) / 2 : 0,
|
|
'dynatemp_exponent': settings.dynatemp ? settings.dynatemp_exponent : 1,
|
|
'smoothing_factor': settings.smoothing_factor,
|
|
'sampler_priority': (settings.type === OOBA) ? settings.sampler_priority : undefined,
|
|
'stopping_strings': getStoppingStrings(isImpersonate, isContinue),
|
|
'stop': getStoppingStrings(isImpersonate, isContinue),
|
|
'truncation_length': max_context,
|
|
'ban_eos_token': settings.ban_eos_token,
|
|
'skip_special_tokens': settings.skip_special_tokens,
|
|
'top_a': settings.top_a,
|
|
'tfs': settings.tfs,
|
|
'epsilon_cutoff': settings.type === OOBA ? settings.epsilon_cutoff : undefined,
|
|
'eta_cutoff': settings.type === OOBA ? settings.eta_cutoff : undefined,
|
|
'mirostat_mode': settings.mirostat_mode,
|
|
'mirostat_tau': settings.mirostat_tau,
|
|
'mirostat_eta': settings.mirostat_eta,
|
|
'custom_token_bans': settings.type === textgen_types.APHRODITE ?
|
|
toIntArray(getCustomTokenBans()) :
|
|
getCustomTokenBans(),
|
|
'api_type': settings.type,
|
|
'api_server': getTextGenServer(),
|
|
'legacy_api': settings.legacy_api && (settings.type === OOBA || settings.type === APHRODITE),
|
|
'sampler_order': settings.type === textgen_types.KOBOLDCPP ? settings.sampler_order : undefined,
|
|
};
|
|
const nonAphroditeParams = {
|
|
'rep_pen': settings.rep_pen,
|
|
'rep_pen_range': settings.rep_pen_range,
|
|
'repetition_penalty_range': settings.rep_pen_range,
|
|
'encoder_repetition_penalty': settings.type === OOBA ? settings.encoder_rep_pen : undefined,
|
|
'no_repeat_ngram_size': settings.type === OOBA ? settings.no_repeat_ngram_size : undefined,
|
|
'penalty_alpha': settings.type === OOBA ? settings.penalty_alpha : undefined,
|
|
'temperature_last': (settings.type === OOBA || settings.type === APHRODITE || settings.type == TABBY) ? settings.temperature_last : undefined,
|
|
'do_sample': settings.type === OOBA ? settings.do_sample : undefined,
|
|
'seed': settings.seed,
|
|
'guidance_scale': cfgValues?.guidanceScale?.value ?? settings.guidance_scale ?? 1,
|
|
'negative_prompt': cfgValues?.negativePrompt ?? substituteParams(settings.negative_prompt) ?? '',
|
|
'grammar_string': settings.grammar_string,
|
|
'sampler_priority': (settings.type === OOBA) ? settings.sampler_priority : undefined,
|
|
// llama.cpp aliases. In case someone wants to use LM Studio as Text Completion API
|
|
'repeat_penalty': settings.rep_pen,
|
|
'tfs_z': settings.tfs,
|
|
'repeat_last_n': settings.rep_pen_range,
|
|
'n_predict': maxTokens,
|
|
'mirostat': settings.mirostat_mode,
|
|
'ignore_eos': settings.ban_eos_token,
|
|
};
|
|
const aphroditeParams = {
|
|
'n': canMultiSwipe ? settings.n : 1,
|
|
'best_of': canMultiSwipe ? settings.n : 1,
|
|
'ignore_eos': settings.ignore_eos_token_aphrodite,
|
|
'spaces_between_special_tokens': settings.spaces_between_special_tokens_aphrodite,
|
|
'grammar': settings.grammar_string,
|
|
//'logits_processors': settings.logits_processors_aphrodite,
|
|
//'logprobs': settings.log_probs_aphrodite,
|
|
//'prompt_logprobs': settings.prompt_log_probs_aphrodite,
|
|
};
|
|
if (settings.type === APHRODITE) {
|
|
params = Object.assign(params, aphroditeParams);
|
|
} else {
|
|
params = Object.assign(params, nonAphroditeParams);
|
|
}
|
|
|
|
if (Array.isArray(settings.logit_bias) && settings.logit_bias.length) {
|
|
const logitBias = BIAS_CACHE.get(BIAS_KEY) || calculateLogitBias();
|
|
BIAS_CACHE.set(BIAS_KEY, logitBias);
|
|
params.logit_bias = logitBias;
|
|
}
|
|
|
|
if (settings.type === LLAMACPP || settings.type === OLLAMA) {
|
|
// Convert bias and token bans to array of arrays
|
|
const logitBiasArray = (params.logit_bias && typeof params.logit_bias === 'object' && Object.keys(params.logit_bias).length > 0)
|
|
? Object.entries(params.logit_bias).map(([key, value]) => [Number(key), value])
|
|
: [];
|
|
const tokenBans = toIntArray(getCustomTokenBans());
|
|
logitBiasArray.push(...tokenBans.map(x => [Number(x), false]));
|
|
const llamaCppParams = {
|
|
'logit_bias': logitBiasArray,
|
|
// Conflicts with ooba's grammar_string
|
|
'grammar': settings.grammar_string,
|
|
'cache_prompt': true,
|
|
};
|
|
params = Object.assign(params, llamaCppParams);
|
|
}
|
|
|
|
return params;
|
|
}
|
|
|