Add Jinja based formating

src/ts/process/request.ts

@@ -3,7 +3,7 @@ import type { MultiModal, OpenAIChat, OpenAIChatFull } from ".";
 import { DataBase, setDatabase, type character } from "../storage/database";
 import { pluginProcess } from "../plugins/plugins";
 import { language } from "../../lang";
-import { stringlizeAINChat, stringlizeChat, stringlizeChatOba, getStopStrings, unstringlizeAIN, unstringlizeChat } from "./stringlize";
+import { stringlizeAINChat, stringlizeChat, getStopStrings, unstringlizeAIN, unstringlizeChat } from "./stringlize";
 import { addFetchLog, fetchNative, globalFetch, isNodeServer, isTauri, textifyReadableStream } from "../storage/globalApi";
 import { sleep } from "../util";
 import { createDeep } from "./deepai";
@@ -24,6 +24,7 @@ import { getFreeOpenRouterModel } from "../model/openrouter";
 import { runTransformers } from "./transformers";
 import {createParser, type ParsedEvent, type ReconnectInterval} from 'eventsource-parser'
 import {Ollama} from 'ollama/dist/browser.mjs'
+import { applyChatTemplate } from "./templates/chatTemplate";
 
 
 
@@ -862,7 +863,7 @@ export async function requestChatDataMain(arg:requestDataArgument, model:'model'
             let blockingUrl = db.textgenWebUIBlockingURL.replace(/\/api.*/, "/api/v1/generate")
             let bodyTemplate:any
             const suggesting = model === "submodel"
-            const proompt = stringlizeChatOba(formated, currentChar.name, suggesting, arg.continue)
+            const proompt = applyChatTemplate(formated)
             let stopStrings = getStopStrings(suggesting)
             if(db.localStopStrings){
                 stopStrings = db.localStopStrings.map((v) => {
@@ -981,7 +982,7 @@ export async function requestChatDataMain(arg:requestDataArgument, model:'model'
         
         case 'ooba': {
             const suggesting = model === "submodel"
-            const proompt = stringlizeChatOba(formated, currentChar.name, suggesting, arg.continue)
+            const proompt = applyChatTemplate(formated)
             let stopStrings = getStopStrings(suggesting)
             if(db.localStopStrings){
                 stopStrings = db.localStopStrings.map((v) => {
@@ -2267,7 +2268,7 @@ export async function requestChatDataMain(arg:requestDataArgument, model:'model'
             if(aiModel.startsWith('hf:::')){
                 const realModel = aiModel.split(":::")[1]
                 const suggesting = model === "submodel"
-                const proompt = stringlizeChatOba(formated, currentChar.name, suggesting, arg.continue)
+                const proompt = applyChatTemplate(formated)
                 const v = await runTransformers(proompt, realModel, {
                     temperature: temperature,
                     max_new_tokens: maxTokens,
@@ -2284,7 +2285,7 @@ export async function requestChatDataMain(arg:requestDataArgument, model:'model'
             if(aiModel.startsWith('local_')){
                 console.log('running local model')
                 const suggesting = model === "submodel"
-                const proompt = stringlizeChatOba(formated, currentChar.name, suggesting, arg.continue)
+                const proompt = applyChatTemplate(formated)
                 const stopStrings = getStopStrings(suggesting)
                 console.log(stopStrings)
                 const modelPath = aiModel.replace('local_', '')

src/ts/process/templates/chatTemplate.ts

@@ -0,0 +1,92 @@
+import { Template } from '@huggingface/jinja';
+import type { OpenAIChat } from '..';
+import { get } from 'svelte/store';
+import { DataBase } from 'src/ts/storage/database';
+
+export const chatTemplates = {
+    'llama3': "{% set loop_messages = messages %}{% for message in loop_messages %}{% set content = '<|start_header_id|>' + message['role'] + '<|end_header_id|>\n\n'+ message['content'] | trim + '<|eot_id|>' %}{% if loop.index0 == 0 %}{% set content = bos_token + content %}{% endif %}{{ content }}{% endfor %}{{ '<|start_header_id|>assistant<|end_header_id|>\n\n' }}",
+    'chatml': `{% for message in messages %}{{'<|im_start|>' + message['role'] + '\n' + message['content'] + '<|im_end|>' + '\n'}}{% endfor %}{% if add_generation_prompt %}{{ '<|im_start|>assistant\n' }}{% endif %}`,
+    'gpt2': `{% for message in messages %}{{'<|im_start|>' + message['role'] + '\n' + message['content'] + '<|im_end|>' + '\n'}}{% endfor %}{% if add_generation_prompt %}{{ '<|im_start|>assistant\n' }}{% endif %}`,
+    'llama2': `{% if messages[0]['role'] == 'system' %}{% set loop_messages = messages[1:] %}{% set system_message = messages[0]['content'] %}{% elif USE_DEFAULT_PROMPT == true and not '<<SYS>>' in messages[0]['content'] %}{% set loop_messages = messages %}{% set system_message = 'DEFAULT_SYSTEM_MESSAGE' %}{% else %}{% set loop_messages = messages %}{% set system_message = false %}{% endif %}{% for message in loop_messages %}{% if (message['role'] == 'user') != (loop.index0 % 2 == 0) %}{{ raise_exception('Conversation roles must alternate user/assistant/user/assistant/...') }}{% endif %}{% if loop.index0 == 0 and system_message != false %}{% set content = '<<SYS>>\n' + system_message + '\n<</SYS>>\n\n' + message['content'] %}{% else %}{% set content = message['content'] %}{% endif %}{% if message['role'] == 'user' %}{{ bos_token + '[INST] ' + content.strip() + ' [/INST]' }}{% elif message['role'] == 'system' %}{{ '<<SYS>>\n' + content.strip() + '\n<</SYS>>\n\n' }}{% elif message['role'] == 'assistant' %}{{ ' '  + content.strip() + ' ' + eos_token }}{% endif %}{% endfor %}`,
+    'gemma': "{% if messages[0]['role'] == 'system' %}{{ raise_exception('System role not supported') }}{% endif %}{% for message in messages %}{% if (message['role'] == 'user') != (loop.index0 % 2 == 0) %}{{ raise_exception('Conversation roles must alternate user/assistant/user/assistant/...') }}{% endif %}{% if (message['role'] == 'assistant') %}{% set role = 'model' %}{% else %}{% set role = message['role'] %}{% endif %}{{ '<start_of_turn>' + role + '\n' + message['content'] | trim + '<end_of_turn>\n' }}{% endfor %}{% if add_generation_prompt %}{{'<start_of_turn>model\n'}}{% endif %}",
+    'mistral': "{% for message in messages %}{% if (message['role'] == 'user') != (loop.index0 % 2 == 0) %}{{ raise_exception('Conversation roles must alternate user/assistant/user/assistant/...') }}{% endif %}{% if message['role'] == 'user' %}{{ ' [INST] ' + message['content'] + ' [/INST]' }}{% elif message['role'] == 'assistant' %}{{ ' ' + message['content'] + ' ' + eos_token}}{% else %}{{ raise_exception('Only user and assistant roles are supported!') }}{% endif %}{% endfor %}"
+}
+type TemplateEffect = 'no_system_messages'|'alter_user_assistant_roles'
+export const templateEffect = {
+    'gemma': [
+        'no_system_messages',
+    ],
+    'mistral': [
+        'no_system_messages',
+        'alter_user_assistant_roles'
+    ],
+} as {[key:string]:TemplateEffect[]}
+
+export const applyChatTemplate = (messages:OpenAIChat[]) => {
+    const db = get(DataBase)
+    const type = db.instructChatTemplate
+    if(!type){
+        throw new Error('Template type is not set')
+    }
+    let clonedMessages = structuredClone(messages)
+    const template = type === 'jinja' ? (new Template(db.JinjaTemplate)) :(new Template(chatTemplates[type]))
+    let formatedMessages:{
+        "role": 'user'|'assistant'|'system',
+        "content": string
+    }[] = []
+
+    const effects = templateEffect[type] ?? []
+    const noSystemMessages = effects.includes('no_system_messages')
+    const alterUserAssistantRoles = effects.includes('alter_user_assistant_roles')
+    for (let i=0;i<clonedMessages.length;i++){
+        const message = clonedMessages[i]
+        if(message.role !== 'user' && message.role !== 'assistant' && message.role !== 'system'){
+            continue
+        }
+        if(noSystemMessages && message.role === 'system'){
+            message.role = 'user'
+            message.content = 'System: ' + message.content
+        }
+        if(alterUserAssistantRoles){
+            if(message.role === 'user'){
+                if(formatedMessages.length % 2 === 0){
+                    formatedMessages.push({
+                        "role": "user",
+                        "content": message.content
+                    })
+                }
+                else{
+                    formatedMessages[formatedMessages.length - 1].content += "\n" + message.content
+                }
+            }
+            else{
+                if(formatedMessages.length % 2 === 1 || formatedMessages.length === 0){
+                    if(formatedMessages.length === 0){
+                        formatedMessages.push({
+                            "role": "user",
+                            "content": ""
+                        })
+                    }
+                    formatedMessages.push({
+                        "role": "assistant",
+                        "content": message.content
+                    })
+                }
+                else{
+                    formatedMessages[formatedMessages.length - 1].content += "\n" + message.content
+                }
+            }
+        }
+        else{
+            formatedMessages.push({
+                "role": message.role,
+                "content": message.content
+            })
+        }
+    }
+
+    return template.render({
+        "messages": formatedMessages,
+        "add_generation_prompt": true
+    })
+}