lollms-webui/app.py

######
# Project       : lollms-webui
# Author        : ParisNeo with the help of the community
# Supported by Nomic-AI
# license       : Apache 2.0
# Description   : 
# A front end Flask application for llamacpp models.
# The official GPT4All Web ui
# Made by the community for the community
######

__author__ = "parisneo"
__github__ = "https://github.com/ParisNeo/lollms-webui"
__copyright__ = "Copyright 2023, "
__license__ = "Apache 2.0"

import os
import logging
import argparse
import json
import re
import traceback
import sys
from tqdm import tqdm
import subprocess
import signal
from lollms.config import InstallOption
from lollms.binding import LOLLMSConfig, BindingBuilder, LLMBinding
from lollms.personality import AIPersonality, MSG_TYPE
from lollms.config import BaseConfig
from lollms.helpers import ASCIIColors
from lollms.paths import LollmsPaths
from api.db import DiscussionsDB, Discussion
from api.helpers import compare_lists
from flask import (
    Flask,
    Response,
    jsonify,
    render_template,
    request,
    stream_with_context,
    send_from_directory
)
from flask_socketio import SocketIO, emit
from pathlib import Path
import yaml
from geventwebsocket.handler import WebSocketHandler
import logging
import psutil
from lollms.main_config import LOLLMSConfig
from typing import Optional

log = logging.getLogger('werkzeug')
log.setLevel(logging.ERROR)

app = Flask("GPT4All-WebUI", static_url_path="/static", static_folder="static")
socketio = SocketIO(app,  cors_allowed_origins="*", async_mode='gevent', ping_timeout=200, ping_interval=15)

app.config['SECRET_KEY'] = 'secret!'
# Set the logging level to WARNING or higher
logging.getLogger('socketio').setLevel(logging.WARNING)
logging.getLogger('engineio').setLevel(logging.WARNING)
logging.getLogger('werkzeug').setLevel(logging.ERROR)
logging.basicConfig(level=logging.WARNING)

import time
from api.config import load_config, save_config
from api import LoLLMsAPPI
import shutil
import markdown


class LoLLMsWebUI(LoLLMsAPPI):
    def __init__(self, _app, _socketio, config:LOLLMSConfig, config_file_path:Path|str, lollms_paths:LollmsPaths) -> None:
        super().__init__(config, _socketio, config_file_path, lollms_paths)

        self.app = _app
        self.cancel_gen = False

        app.template_folder = "web/dist"
        if config["active_personality_id"]>=len(config["personalities"]):
            config["active_personality_id"] = 0
        self.personality_language= config["personalities"][config["active_personality_id"]].split("/")[0]
        self.personality_category= config["personalities"][config["active_personality_id"]].split("/")[1]
        self.personality_name= config["personalities"][config["active_personality_id"]].split("/")[2]

        # =========================================================================================
        # Endpoints
        # =========================================================================================


        self.add_endpoint("/reinstall_binding", "reinstall_binding", self.reinstall_binding, methods=["POST"])


        self.add_endpoint("/switch_personal_path", "switch_personal_path", self.switch_personal_path, methods=["POST"])

        self.add_endpoint("/add_reference_to_local_model", "add_reference_to_local_model", self.add_reference_to_local_model, methods=["POST"])
        
        self.add_endpoint("/send_file", "send_file", self.send_file, methods=["POST"])
        
        self.add_endpoint("/list_mounted_personalities", "list_mounted_personalities", self.list_mounted_personalities, methods=["POST"])
        self.add_endpoint("/mount_personality", "mount_personality", self.mount_personality, methods=["POST"])
        self.add_endpoint("/unmount_personality", "unmount_personality", self.unmount_personality, methods=["POST"])
        self.add_endpoint("/select_personality", "select_personality", self.select_personality, methods=["POST"])
        self.add_endpoint("/get_personality_settings", "get_personality_settings", self.get_personality_settings, methods=["POST"])

        self.add_endpoint("/get_active_personality_settings", "get_active_personality_settings", self.get_active_personality_settings, methods=["GET"])
        self.add_endpoint("/get_active_binding_settings", "get_active_binding_settings", self.get_active_binding_settings, methods=["GET"])

        self.add_endpoint("/set_active_personality_settings", "set_active_personality_settings", self.set_active_personality_settings, methods=["POST"])
        self.add_endpoint("/set_active_binding_settings", "set_active_binding_settings", self.set_active_binding_settings, methods=["POST"])

        self.add_endpoint(
            "/disk_usage", "disk_usage", self.disk_usage, methods=["GET"]
        )

        self.add_endpoint(
            "/ram_usage", "ram_usage", self.ram_usage, methods=["GET"]
        )
        self.add_endpoint(
            "/vram_usage", "vram_usage", self.vram_usage, methods=["GET"]
        )


        self.add_endpoint(
            "/list_bindings", "list_bindings", self.list_bindings, methods=["GET"]
        )
        self.add_endpoint(
            "/list_models", "list_models", self.list_models, methods=["GET"]
        )
        self.add_endpoint(
            "/list_personalities_languages", "list_personalities_languages", self.list_personalities_languages, methods=["GET"]
        )        
        self.add_endpoint(
            "/list_personalities_categories", "list_personalities_categories", self.list_personalities_categories, methods=["GET"]
        )
        self.add_endpoint(
            "/list_personalities", "list_personalities", self.list_personalities, methods=["GET"]
        )

        self.add_endpoint(
            "/list_languages", "list_languages", self.list_languages, methods=["GET"]
        )
        
        self.add_endpoint(
            "/list_discussions", "list_discussions", self.list_discussions, methods=["GET"]
        )
        
        self.add_endpoint("/delete_personality", "delete_personality", self.delete_personality, methods=["GET"])
        
        
        self.add_endpoint("/", "", self.index, methods=["GET"])
        self.add_endpoint("/<path:filename>", "serve_static", self.serve_static, methods=["GET"])
        
        self.add_endpoint("/images/<path:filename>", "serve_images", self.serve_images, methods=["GET"])
        self.add_endpoint("/bindings/<path:filename>", "serve_bindings", self.serve_bindings, methods=["GET"])
        self.add_endpoint("/personalities/<path:filename>", "serve_personalities", self.serve_personalities, methods=["GET"])
        self.add_endpoint("/outputs/<path:filename>", "serve_outputs", self.serve_outputs, methods=["GET"])
        self.add_endpoint("/data/<path:filename>", "serve_data", self.serve_data, methods=["GET"])
        self.add_endpoint("/help/<path:filename>", "serve_help", self.serve_help, methods=["GET"])
        
        self.add_endpoint("/uploads/<path:filename>", "serve_uploads", self.serve_uploads, methods=["GET"])

        
        self.add_endpoint("/export_discussion", "export_discussion", self.export_discussion, methods=["GET"])
        self.add_endpoint("/export", "export", self.export, methods=["GET"])
        self.add_endpoint(
            "/new_discussion", "new_discussion", self.new_discussion, methods=["GET"]
        )
        self.add_endpoint("/stop_gen", "stop_gen", self.stop_gen, methods=["GET"])

        self.add_endpoint("/rename", "rename", self.rename, methods=["POST"])
        self.add_endpoint("/edit_title", "edit_title", self.edit_title, methods=["POST"])
        self.add_endpoint(
            "/load_discussion", "load_discussion", self.load_discussion, methods=["POST"]
        )
        self.add_endpoint(
            "/delete_discussion",
            "delete_discussion",
            self.delete_discussion,
            methods=["POST"],
        )

        self.add_endpoint(
            "/update_message", "update_message", self.update_message, methods=["GET"]
        )
        self.add_endpoint(
            "/message_rank_up", "message_rank_up", self.message_rank_up, methods=["GET"]
        )
        self.add_endpoint(
            "/message_rank_down", "message_rank_down", self.message_rank_down, methods=["GET"]
        )
        self.add_endpoint(
            "/delete_message", "delete_message", self.delete_message, methods=["GET"]
        )
        
        self.add_endpoint(
            "/set_binding", "set_binding", self.set_binding, methods=["POST"]
        )
        
        self.add_endpoint(
            "/set_model", "set_model", self.set_model, methods=["POST"]
        )
        
        self.add_endpoint(
            "/update_model_params", "update_model_params", self.update_model_params, methods=["POST"]
        )

        self.add_endpoint(
            "/get_config", "get_config", self.get_config, methods=["GET"]
        )

        self.add_endpoint(
            "/get_current_personality_path_infos", "get_current_personality_path_infos", self.get_current_personality_path_infos, methods=["GET"]
        )

        self.add_endpoint(
            "/get_available_models", "get_available_models", self.get_available_models, methods=["GET"]
        )


        self.add_endpoint(
            "/extensions", "extensions", self.extensions, methods=["GET"]
        )

        self.add_endpoint(
            "/training", "training", self.training, methods=["GET"]
        )
        self.add_endpoint(
            "/main", "main", self.main, methods=["GET"]
        )
        
        self.add_endpoint(
            "/settings", "settings", self.settings, methods=["GET"]
        )

        self.add_endpoint(
            "/help", "help", self.help, methods=["GET"]
        )
        
        self.add_endpoint(
            "/get_generation_status", "get_generation_status", self.get_generation_status, methods=["GET"]
        )
        
        self.add_endpoint(
            "/update_setting", "update_setting", self.update_setting, methods=["POST"]
        )
        self.add_endpoint(
            "/apply_settings", "apply_settings", self.apply_settings, methods=["POST"]
        )
        

        self.add_endpoint(
            "/save_settings", "save_settings", self.save_settings, methods=["POST"]
        )

        self.add_endpoint(
            "/get_current_personality", "get_current_personality", self.get_current_personality, methods=["GET"]
        )
        

        self.add_endpoint(
            "/get_all_personalities", "get_all_personalities", self.get_all_personalities, methods=["GET"]
        )

        self.add_endpoint(
            "/get_personality", "get_personality", self.get_personality, methods=["GET"]
        )
        
        
        self.add_endpoint(
            "/reset", "reset", self.reset, methods=["GET"]
        )
        
        self.add_endpoint(
            "/export_multiple_discussions", "export_multiple_discussions", self.export_multiple_discussions, methods=["POST"]
        )      
        self.add_endpoint(
            "/import_multiple_discussions", "import_multiple_discussions", self.import_multiple_discussions, methods=["POST"]
        )      

        
        
    def export_multiple_discussions(self):
        data = request.get_json()
        discussion_ids = data["discussion_ids"]
        discussions = self.db.export_discussions_to_json(discussion_ids)
        return jsonify(discussions)
          
    def import_multiple_discussions(self):
        discussions = request.get_json()["jArray"]
        self.db.import_from_json(discussions)
        return jsonify(discussions)
        
    def reset(self):
        os.kill(os.getpid(), signal.SIGINT)  # Send the interrupt signal to the current process
        subprocess.Popen(['python', 'app.py'])  # Restart the app using subprocess

        return 'App is resetting...'

    def save_settings(self):
        self.config.save_config(self.config_file_path)
        if self.config["debug"]:
            print("Configuration saved")
        # Tell that the setting was changed
        self.socketio.emit('save_settings', {"status":True})
        return jsonify({"status":True})
    

    def get_current_personality(self):
        return jsonify({"personality":self.personality.as_dict()})
    
    def get_all_personalities(self):
        personalities_folder = self.lollms_paths.personalities_zoo_path
        personalities = {}
        for language_folder in personalities_folder.iterdir():
            lang = language_folder.stem
            if language_folder.is_dir() and not language_folder.stem.startswith('.'):
                personalities[language_folder.name] = {}
                for category_folder in  language_folder.iterdir():
                    cat = category_folder.stem
                    if category_folder.is_dir() and not category_folder.stem.startswith('.'):
                        personalities[language_folder.name][category_folder.name] = []
                        for personality_folder in category_folder.iterdir():
                            pers = personality_folder.stem
                            if personality_folder.is_dir() and not personality_folder.stem.startswith('.'):
                                personality_info = {"folder":personality_folder.stem}
                                config_path = personality_folder / 'config.yaml'
                                if not config_path.exists():
                                    """
                                    try:
                                        shutil.rmtree(str(config_path.parent))
                                        ASCIIColors.warning(f"Deleted useless personality: {config_path.parent}")
                                    except Exception as ex:
                                        ASCIIColors.warning(f"Couldn't delete personality ({ex})")
                                    """
                                    continue                                    
                                try:
                                    scripts_path = personality_folder / 'scripts'
                                    personality_info['has_scripts'] = scripts_path.is_dir()
                                    with open(config_path) as config_file:
                                        config_data = yaml.load(config_file, Loader=yaml.FullLoader)
                                        personality_info['name'] = config_data.get('name',"No Name")
                                        personality_info['description'] = config_data.get('personality_description',"")
                                        personality_info['author'] = config_data.get('author', 'ParisNeo')
                                        personality_info['version'] = config_data.get('version', '1.0.0')
                                        personality_info['installed'] = (self.lollms_paths.personal_configuration_path/f"personality_{personality_folder.stem}.yaml").exists() or personality_info['has_scripts']
                                    real_assets_path = personality_folder/ 'assets'
                                    assets_path = Path("personalities") / lang / cat / pers / 'assets'
                                    gif_logo_path = assets_path / 'logo.gif'
                                    webp_logo_path = assets_path / 'logo.webp'
                                    png_logo_path = assets_path / 'logo.png'
                                    jpg_logo_path = assets_path / 'logo.jpg'
                                    jpeg_logo_path = assets_path / 'logo.jpeg'
                                    bmp_logo_path = assets_path / 'logo.bmp'

                                    gif_logo_path_ = real_assets_path / 'logo.gif'
                                    webp_logo_path_ = real_assets_path / 'logo.webp'
                                    png_logo_path_ = real_assets_path / 'logo.png'
                                    jpg_logo_path_ = real_assets_path / 'logo.jpg'
                                    jpeg_logo_path_ = real_assets_path / 'logo.jpeg'
                                    bmp_logo_path_ = real_assets_path / 'logo.bmp'

                                    personality_info['has_logo'] = png_logo_path.is_file() or gif_logo_path.is_file()
                                    
                                    if gif_logo_path_.exists():
                                        personality_info['avatar'] = str(gif_logo_path).replace("\\","/")
                                    elif webp_logo_path_.exists():
                                        personality_info['avatar'] = str(webp_logo_path).replace("\\","/")
                                    elif png_logo_path_.exists():
                                        personality_info['avatar'] = str(png_logo_path).replace("\\","/")
                                    elif jpg_logo_path_.exists():
                                        personality_info['avatar'] = str(jpg_logo_path).replace("\\","/")
                                    elif jpeg_logo_path_.exists():
                                        personality_info['avatar'] = str(jpeg_logo_path).replace("\\","/")
                                    elif bmp_logo_path_.exists():
                                        personality_info['avatar'] = str(bmp_logo_path).replace("\\","/")
                                    else:
                                        personality_info['avatar'] = ""
                                    personalities[language_folder.name][category_folder.name].append(personality_info)
                                except Exception as ex:
                                    print(f"Couldn't load personality from {personality_folder} [{ex}]")
        return json.dumps(personalities)
    
    def get_personality(self):
        lang = request.args.get('language')
        category = request.args.get('category')
        name = request.args.get('name')
        if category!="personal":
            personality_folder = self.lollms_paths.personalities_zoo_path/f"{lang}"/f"{category}"/f"{name}"
        else:
            personality_folder = self.lollms_paths.personal_personalities_path/f"{lang}"/f"{category}"/f"{name}"
        personality_path = personality_folder/f"config.yaml"
        personality_info = {}
        with open(personality_path) as config_file:
            config_data = yaml.load(config_file, Loader=yaml.FullLoader)
            personality_info['name'] = config_data.get('name',"unnamed")
            personality_info['description'] = config_data.get('personality_description',"")
            personality_info['author'] = config_data.get('creator', 'ParisNeo')
            personality_info['version'] = config_data.get('version', '1.0.0')
        scripts_path = personality_folder / 'scripts'
        personality_info['has_scripts'] = scripts_path.is_dir()
        assets_path = personality_folder / 'assets'
        gif_logo_path = assets_path / 'logo.gif'
        webp_logo_path = assets_path / 'logo.webp'
        png_logo_path = assets_path / 'logo.png'
        jpg_logo_path = assets_path / 'logo.jpg'
        jpeg_logo_path = assets_path / 'logo.jpeg'
        bmp_logo_path = assets_path / 'logo.bmp'
        
        personality_info['has_logo'] = png_logo_path.is_file() or gif_logo_path.is_file()
        
        if gif_logo_path.exists():
            personality_info['avatar'] = str(gif_logo_path).replace("\\","/")
        elif webp_logo_path.exists():
            personality_info['avatar'] = str(webp_logo_path).replace("\\","/")
        elif png_logo_path.exists():
            personality_info['avatar'] = str(png_logo_path).replace("\\","/")
        elif jpg_logo_path.exists():
            personality_info['avatar'] = str(jpg_logo_path).replace("\\","/")
        elif jpeg_logo_path.exists():
            personality_info['avatar'] = str(jpeg_logo_path).replace("\\","/")
        elif bmp_logo_path.exists():
            personality_info['avatar'] = str(bmp_logo_path).replace("\\","/")
        else:
            personality_info['avatar'] = ""
        return json.dumps(personality_info)
        
    # Settings (data: {"setting_name":<the setting name>,"setting_value":<the setting value>})
    def update_setting(self):
        data = request.get_json()
        setting_name = data['setting_name']
        if setting_name== "temperature":
            self.config["temperature"]=float(data['setting_value'])
        elif setting_name== "n_predict":
            self.config["n_predict"]=int(data['setting_value'])
        elif setting_name== "top_k":
            self.config["top_k"]=int(data['setting_value'])
        elif setting_name== "top_p":
            self.config["top_p"]=float(data['setting_value'])
            
        elif setting_name== "repeat_penalty":
            self.config["repeat_penalty"]=float(data['setting_value'])
        elif setting_name== "repeat_last_n":
            self.config["repeat_last_n"]=int(data['setting_value'])

        elif setting_name== "n_threads":
            self.config["n_threads"]=int(data['setting_value'])
        elif setting_name== "ctx_size":
            self.config["ctx_size"]=int(data['setting_value'])


        elif setting_name== "language":
            self.config["language"]=data['setting_value']

        elif setting_name== "personality_language":
            self.personality_language=data['setting_value']
                
        elif setting_name== "personality_category":
            self.personality_category=data['setting_value']

        elif setting_name== "personality_folder":
            self.personality_name=data['setting_value']
            if len(self.config["personalities"])>0:
                if self.config["active_personality_id"]<len(self.config["personalities"]):
                    self.config["personalities"][self.config["active_personality_id"]] = f"{self.personality_language}/{self.personality_category}/{self.personality_name}"
                else:
                    self.config["active_personality_id"] = 0
                    self.config["personalities"][self.config["active_personality_id"]] = f"{self.personality_language}/{self.personality_category}/{self.personality_name}"
                
                if self.personality_category!="Custom":
                    personality_fn = self.lollms_paths.personalities_zoo_path/self.config["personalities"][self.config["active_personality_id"]]
                else:
                    personality_fn = self.lollms_paths.personal_personalities_path/self.config["personalities"][self.config["active_personality_id"]].split("/")[-1]
                self.personality.load_personality(personality_fn)
            else:
                self.config["personalities"].append(f"{self.personality_language}/{self.personality_category}/{self.personality_name}")
        elif setting_name== "override_personality_model_parameters":
            self.config["override_personality_model_parameters"]=bool(data['setting_value'])
            
            


        elif setting_name== "model_name":
            self.config["model_name"]=data['setting_value']
            try:
                self.model = self.binding.build_model()
            except Exception as ex:
                print(f"Couldn't load model: [{ex}]")
                return jsonify({ "status":False, 'error':str(ex)})

            print("update_settings : New model selected")

        elif setting_name== "binding_name":
            if self.config['binding_name']!= data['setting_value']:
                print(f"New binding selected : {data['setting_value']}")
                self.config["binding_name"]=data['setting_value']
                try:
                    self.binding = BindingBuilder().build_binding(self.config, self.lollms_paths)
                    self.model = None
                except Exception as ex:
                    print(f"Couldn't build binding: [{ex}]")
                    return jsonify({"status":False, 'error':str(ex)})
            else:
                if self.config["debug"]:
                    print(f"Configuration {data['setting_name']} set to {data['setting_value']}")
                return jsonify({'setting_name': data['setting_name'], "status":True})

        else:
            if self.config["debug"]:
                print(f"Configuration {data['setting_name']} couldn't be set to {data['setting_value']}")
            return jsonify({'setting_name': data['setting_name'], "status":False})

        if self.config["debug"]:
            print(f"Configuration {data['setting_name']} set to {data['setting_value']}")
            
        ASCIIColors.success(f"Configuration {data['setting_name']} updated")
        # Tell that the setting was changed
        return jsonify({'setting_name': data['setting_name'], "status":True})



    def apply_settings(self):
        ASCIIColors.success("OK")
        self.rebuild_personalities()
        return jsonify({"status":True})
    

    
    def ram_usage(self):
        """
        Returns the RAM usage in bytes.
        """
        ram = psutil.virtual_memory()
        return jsonify({
            "total_space":ram.total,
            "available_space":ram.free,

            "percent_usage":ram.percent,
            "ram_usage": ram.used
            })

    def vram_usage(self) -> Optional[dict]:
        try:
            output = subprocess.check_output(['nvidia-smi', '--query-gpu=memory.total,memory.used', '--format=csv,nounits,noheader'])
            lines = output.decode().strip().split('\n')
            vram_info = [line.split(',') for line in lines]
        except (subprocess.CalledProcessError, FileNotFoundError):
            return {
            "nb_gpus": 0
            }
        
        ram_usage = {
            "nb_gpus": len(vram_info)
        }
        
        if vram_info is not None:
            for i, gpu in enumerate(vram_info):
                ram_usage[f"gpu_{i}_total_vram"] = int(gpu[0])*1024*1024
                ram_usage[f"gpu_{i}_used_vram"] = int(gpu[1])*1024*1024
        else:
            # Set all VRAM-related entries to None
            ram_usage["gpu_0_total_vram"] = None
            ram_usage["gpu_0_used_vram"] = None
        
        return jsonify(ram_usage)

    def disk_usage(self):
        current_drive = Path.cwd().anchor
        drive_disk_usage = psutil.disk_usage(current_drive)
        try:
            models_folder_disk_usage = psutil.disk_usage(str(self.lollms_paths.personal_models_path/f'{self.config["binding_name"]}'))
            return jsonify( {
                "total_space":drive_disk_usage.total,
                "available_space":drive_disk_usage.free,
                "usage":drive_disk_usage.used,
                "percent_usage":drive_disk_usage.percent,

                "binding_disk_total_space":models_folder_disk_usage.total,
                "binding_disk_available_space":drive_disk_usage.free,
                "binding_models_usage": models_folder_disk_usage.used,
                "binding_models_percent_usage": models_folder_disk_usage.percent,
                })
        except Exception as ex:
            return jsonify({
                "total_space":drive_disk_usage.total,
                "available_space":drive_disk_usage.free,
                "percent_usage":drive_disk_usage.percent,

                "binding_disk_total_space": None,
                "binding_disk_available_space": None,
                "binding_models_usage": None,
                "binding_models_percent_usage": None,
                })

    def list_bindings(self):
        bindings_dir = self.lollms_paths.bindings_zoo_path  # replace with the actual path to the models folder
        bindings=[]
        for f in bindings_dir.iterdir():
            card = f/"binding_card.yaml"
            if card.exists():
                try:
                    bnd = load_config(card)
                    bnd["folder"]=f.stem
                    icon_path = Path(f"bindings/{f.name}/logo.png")
                    installed = (self.lollms_paths.personal_configuration_path/f"binding_{f.stem}.yaml").exists()
                    bnd["installed"]=installed
                    if Path(self.lollms_paths.bindings_zoo_path/f"{f.name}/logo.png").exists():
                        bnd["icon"]=str(icon_path)

                    bindings.append(bnd)
                except Exception as ex:
                    print(f"Couldn't load backend card : {f}\n\t{ex}")
        return jsonify(bindings)


    def list_models(self):
        if self.binding is not None:
            models = self.binding.list_models(self.config)
            return jsonify(models)
        else:
            return jsonify([])
    

    def list_personalities_languages(self):
        personalities_languages_dir = self.lollms_paths.personalities_zoo_path  # replace with the actual path to the models folder
        personalities_languages = [f.stem for f in personalities_languages_dir.iterdir() if f.is_dir()]
        return jsonify(personalities_languages)

    def list_personalities_categories(self):
        personalities_categories_dir = self.lollms_paths.personalities_zoo_path/f'{self.personality_language}'  # replace with the actual path to the models folder
        personalities_categories = [f.stem for f in personalities_categories_dir.iterdir() if f.is_dir()]
        return jsonify(personalities_categories)
    
    def list_personalities(self):
        try:
            personalities_dir = self.lollms_paths.personalities_zoo_path/f'{self.personality_language}/{self.personality_category}'  # replace with the actual path to the models folder
            personalities = [f.stem for f in personalities_dir.iterdir() if f.is_dir()]
        except Exception as ex:
            personalities=[]
            ASCIIColors.error(f"No personalities found. Using default one {ex}")
        return jsonify(personalities)

    def list_languages(self):
        lanuguages= [
        { "value": "en-US", "label": "English" },
        { "value": "fr-FR", "label": "Français" },
        { "value": "ar-AR", "label": "العربية" },
        { "value": "it-IT", "label": "Italiano" },
        { "value": "de-DE", "label": "Deutsch" },
        { "value": "nl-XX", "label": "Dutch" },
        { "value": "zh-CN", "label": "中國人" }
        ]
        return jsonify(lanuguages)


    def list_discussions(self):
        discussions = self.db.get_discussions()
        return jsonify(discussions)


    def delete_personality(self):
        lang = request.args.get('language')
        category = request.args.get('category')
        name = request.args.get('name')
        path = Path("personalities")/lang/category/name
        try:
            shutil.rmtree(path)
            return jsonify({'status':True})
        except Exception as ex:
            return jsonify({'status':False,'error':str(ex)})

    def add_endpoint(
        self,
        endpoint=None,
        endpoint_name=None,
        handler=None,
        methods=["GET"],
        *args,
        **kwargs,
    ):
        self.app.add_url_rule(
            endpoint, endpoint_name, handler, methods=methods, *args, **kwargs
        )

    def index(self):
        return render_template("index.html")
    
    def serve_static(self, filename):
        root_dir = os.getcwd()
        path = os.path.join(root_dir, 'web/dist/')+"/".join(filename.split("/")[:-1])                            
        fn = filename.split("/")[-1]
        return send_from_directory(path, fn)

    
    def serve_images(self, filename):
        root_dir = os.getcwd()
        path = os.path.join(root_dir, 'images/')+"/".join(filename.split("/")[:-1])
                            
        fn = filename.split("/")[-1]
        return send_from_directory(path, fn)
    
    def serve_bindings(self, filename):
        path = str(self.lollms_paths.bindings_zoo_path/("/".join(filename.split("/")[:-1])))
                            
        fn = filename.split("/")[-1]
        return send_from_directory(path, fn)

    def serve_personalities(self, filename):
        path = str(self.lollms_paths.personalities_zoo_path/("/".join(filename.split("/")[:-1])))
                            
        fn = filename.split("/")[-1]
        return send_from_directory(path, fn)

    def serve_outputs(self, filename):
        root_dir = self.lollms_paths.personal_path / "outputs"
        root_dir.mkdir(exist_ok=True, parents=True)
        path = str(root_dir/"/".join(filename.split("/")[:-1]))
                            
        fn = filename.split("/")[-1]
        return send_from_directory(path, fn)

    def serve_help(self, filename):
        root_dir = Path(__file__).parent/f"help"
        root_dir.mkdir(exist_ok=True, parents=True)
        path = str(root_dir/"/".join(filename.split("/")[:-1]))
                            
        fn = filename.split("/")[-1]
        return send_from_directory(path, fn)

    def serve_data(self, filename):
        root_dir = self.lollms_paths.personal_path / "data"
        root_dir.mkdir(exist_ok=True, parents=True)
        path = str(root_dir/"/".join(filename.split("/")[:-1]))
                            
        fn = filename.split("/")[-1]
        return send_from_directory(path, fn)

    def serve_uploads(self, filename):
        root_dir = self.lollms_paths.personal_path / "uploads"
        root_dir.mkdir(exist_ok=True, parents=True)

        path = str(root_dir+"/".join(filename.split("/")[:-1]))
                            
        fn = filename.split("/")[-1]
        return send_from_directory(path, fn)



    def export(self):
        return jsonify(self.db.export_to_json())

    def export_discussion(self):
        return jsonify({"discussion_text":self.get_discussion_to()})
    

            
    def get_generation_status(self):
        return jsonify({"status":not self.is_ready}) 
    
    def stop_gen(self):
        self.cancel_gen = True
        return jsonify({"status": True})    
    

    def switch_personal_path(self):
        data = request.get_json()
        path = data["path"]
        global_paths_cfg = Path("./global_paths_cfg.yaml")
        if global_paths_cfg.exists():
            try:
                cfg = BaseConfig()
                cfg.load_config(global_paths_cfg)
                cfg.lollms_personal_path = path
                cfg.save_config(global_paths_cfg)
                return jsonify({"status": True})         
            except Exception as ex:
                print(ex)
                return jsonify({"status": False, 'error':f"Couldn't switch path: {ex}"})         
    
    def add_reference_to_local_model(self):     
        data = request.get_json()
        path = data["path"]
        if path.exists():
            self.conversation.config.reference_model(path)
            return jsonify({"status": True})         
        else:        
            return jsonify({"status": True})         

    def list_mounted_personalities(self):
        print("- Listing mounted personalities")
        return jsonify({"status": True,
                        "personalities":self.config["personalities"],
                        "active_personality_id":self.config["active_personality_id"]
                        })         

    def reinstall_binding(self):
        try:
            data = request.get_json()
            # Further processing of the data
        except Exception as e:
            print(f"Error occurred while parsing JSON: {e}")
            return
        ASCIIColors.info(f"- Reinstalling binding {data['name']}...")
        try:
            self.binding =  BindingBuilder().build_binding(self.config, self.lollms_paths, InstallOption.FORCE_INSTALL)
            return jsonify({"status": True}) 
        except Exception as ex:
            print(f"Couldn't build binding: [{ex}]")
            return jsonify({"status":False, 'error':str(ex)})
        

    def mount_personality(self):
        print("- Mounting personality ")
        try:
            data = request.get_json()
            # Further processing of the data
        except Exception as e:
            print(f"Error occurred while parsing JSON: {e}")
            return
        language = data['language']
        category = data['category']
        name = data['folder']

        package_path = f"{language}/{category}/{name}"
        package_full_path = self.lollms_paths.personalities_zoo_path/package_path
        config_file = package_full_path / "config.yaml"
        if config_file.exists():
            self.config["personalities"].append(package_path)
            self.mounted_personalities = self.rebuild_personalities()
            self.personality = self.mounted_personalities[self.config["active_personality_id"]]
            self.apply_settings()
            ASCIIColors.success("ok")
            if self.config["active_personality_id"]<0:
                return jsonify({"status": False,
                                "personalities":self.config["personalities"],
                                "active_personality_id":self.config["active_personality_id"]
                                })         
            else:
                return jsonify({"status": True,
                                "personalities":self.config["personalities"],
                                "active_personality_id":self.config["active_personality_id"]
                                })         
        else:
            pth = str(config_file).replace('\\','/')
            ASCIIColors.error(f"nok : Personality not found @ {pth}")
            return jsonify({"status": False, "error":f"Personality not found @ {pth}"})         

    def unmount_personality(self):
        print("- Unmounting personality ...",end="")
        try:
            data = request.get_json()
            # Further processing of the data
        except Exception as e:
            print(f"Error occurred while parsing JSON: {e}")
            return
        language    = data['language']
        category    = data['category']
        name        = data['folder']
        try:
            index = self.config["personalities"].index(f"{language}/{category}/{name}")
            self.config["personalities"].remove(f"{language}/{category}/{name}")
            if self.config["active_personality_id"]>=index:
                self.config["active_personality_id"]=0
            if len(self.config["personalities"])>0:
                self.mounted_personalities = self.rebuild_personalities()
                self.personality = self.mounted_personalities[self.config["active_personality_id"]]
            else:
                self.personalities = ["english/generic/lollms"]
                self.mounted_personalities = self.rebuild_personalities()
                self.personality = self.mounted_personalities[self.config["active_personality_id"]]
            self.apply_settings()
            ASCIIColors.success("ok")
            return jsonify({
                        "status": True,
                        "personalities":self.config["personalities"],
                        "active_personality_id":self.config["active_personality_id"]
                        })         
        except:
            ASCIIColors.error(f"nok : Personality not found @ {language}/{category}/{name}")
            return jsonify({"status": False, "error":"Couldn't unmount personality"})         
         
    def get_active_personality_settings(self):
        print("- Retreiving personality settings")
        if self.personality.processor is not None:
            if hasattr(self.personality.processor,"personality_config"):
                return jsonify(self.personality.processor.personality_config.config_template.template)
            else:
                return jsonify({})        
        else:
            return jsonify({})               

    def get_active_binding_settings(self):
        print("- Retreiving binding settings")
        if self.binding is not None:
            if hasattr(self.binding,"binding_config"):
                return jsonify(self.binding.binding_config.config_template.template)
            else:
                return jsonify({})        
        else:
            return jsonify({})  
        

    def set_active_personality_settings(self):
        print("- Setting personality settings")
        try:
            data = request.get_json()
            # Further processing of the data
        except Exception as e:
            print(f"Error occurred while parsing JSON: {e}")
            return
        
        if self.personality.processor is not None:
            if hasattr(self.personality.processor,"personality_config"):
                self.personality.processor.personality_config.update_template(data)
                return jsonify({'status':True})
            else:
                return jsonify({'status':False})        
        else:
            return jsonify({'status':False})            

    def get_active_binding_settings(self):
        print("- Retreiving binding settings")
        if self.binding is not None:
            if hasattr(self.binding,"binding_config"):
                return jsonify(self.binding.binding_config.config_template.template)
            else:
                return jsonify({})        
        else:
            return jsonify({})  
    
    def set_active_binding_settings(self):
        print("- Setting binding settings")
        try:
            data = request.get_json()
            # Further processing of the data
        except Exception as e:
            print(f"Error occurred while parsing JSON: {e}")
            return
        
        if self.binding is not None:
            if hasattr(self.binding,"binding_config"):
                self.binding.binding_config.update_template(data)
                return jsonify({'status':True})
            else:
                return jsonify({'status':False})        
        else:
            return jsonify({'status':False})     
    
         
    def get_personality_settings(self):
        print("- Retreiving personality settings")
        try:
            data = request.get_json()
            # Further processing of the data
        except Exception as e:
            print(f"Error occurred while parsing JSON: {e}")
            return
        language = data['language']
        category = data['category']
        name = data['folder']

        if category.startswith("personal"):
            personality_folder = self.lollms_paths.personal_personalities_path/f"{language}"/f"{category}"/f"{name}"
        else:
            personality_folder = self.lollms_paths.personalities_zoo_path/f"{language}"/f"{category}"/f"{name}"

        personality = AIPersonality(personality_folder,
                                    self.lollms_paths, 
                                    self.config,
                                    model=self.model,
                                    run_scripts=True)
        if personality.processor is not None:
            if hasattr(personality.processor,"personality_config"):
                return jsonify(personality.processor.personality_config.config_template.template)
            else:
                return jsonify({})        
        else:
            return jsonify({})       



    def get_binding_settings(self):
        print("- Retreiving personality settings")
        try:
            data = request.get_json()
            # Further processing of the data
        except Exception as e:
            print(f"Error occurred while parsing JSON: {e}")
            return

        if personality.processor is not None:
            if hasattr(personality.processor,"personality_config"):
                return jsonify(personality.processor.personality_config.config_template.template)
            else:
                return jsonify({})        
        else:
            return jsonify({})   





    def select_personality(self):

        data = request.get_json()
        id = data['id']
        print(f"- Selecting active personality {id} ...",end="")
        if id<len(self.config["personalities"]):
            self.config["active_personality_id"]=id
            self.personality = self.mounted_personalities[self.config["active_personality_id"]]
            self.apply_settings()
            ASCIIColors.success("ok")
            print(f"Mounted {self.personality.name}")
            return jsonify({
                "status": True,
                "personalities":self.config["personalities"],
                "active_personality_id":self.config["active_personality_id"]                
                })
        else:
            ASCIIColors.error(f"nok : personality id out of bounds @ {id} >= {len(self.config['personalities'])}")
            return jsonify({"status": False, "error":"Invalid ID"})         
                    

    def send_file(self):
        file = request.files['file']
        Path("uploads").mkdir(exist_ok=True, parents=True)
        file.save('uploads/' + file.filename)
        return jsonify({"status": True})         

    def rename(self):
        data = request.get_json()
        title = data["title"]
        self.current_discussion.rename(title)
        return "renamed successfully"
    
    def edit_title(self):
        data = request.get_json()
        title = data["title"]
        discussion_id = data["id"]
        self.current_discussion = Discussion(discussion_id, self.db)
        self.current_discussion.rename(title)
        return "title renamed successfully"
    
    def load_discussion(self):
        data = request.get_json()
        if "id" in data:
            discussion_id = data["id"]
            self.current_discussion = Discussion(discussion_id, self.db)
        else:
            if self.current_discussion is not None:
                discussion_id = self.current_discussion.discussion_id
                self.current_discussion = Discussion(discussion_id, self.db)
            else:
                self.current_discussion = self.db.create_discussion()
        messages = self.current_discussion.get_messages()

        
        return jsonify(messages), {'Content-Type': 'application/json; charset=utf-8'}

    def delete_discussion(self):
        data = request.get_json()
        discussion_id = data["id"]
        self.current_discussion = Discussion(discussion_id, self.db)
        self.current_discussion.delete_discussion()
        self.current_discussion = None
        return jsonify({})

    def update_message(self):
        discussion_id = request.args.get("id")
        new_message = request.args.get("message")
        try:
            self.current_discussion.update_message(discussion_id, new_message)
            return jsonify({"status": True})
        except Exception as ex:
            return jsonify({"status": False, "error":str(ex)})


    def message_rank_up(self):
        discussion_id = request.args.get("id")
        try:
            new_rank = self.current_discussion.message_rank_up(discussion_id)
            return jsonify({"status": True, "new_rank": new_rank})
        except Exception as ex:
            return jsonify({"status": False, "error":str(ex)})

    def message_rank_down(self):
        discussion_id = request.args.get("id")
        try:
            new_rank = self.current_discussion.message_rank_down(discussion_id)
            return jsonify({"status": True, "new_rank": new_rank})
        except Exception as ex:
            return jsonify({"status": False, "error":str(ex)})

    def delete_message(self):
        discussion_id = request.args.get("id")
        if self.current_discussion is None:
            return jsonify({"status": False,"message":"No discussion is selected"})
        else:
            new_rank = self.current_discussion.delete_message(discussion_id)
            return jsonify({"status":True,"new_rank": new_rank})


    def new_discussion(self):
        title = request.args.get("title")
        timestamp = self.create_new_discussion(title)
        
        # Return a success response
        return json.dumps({"id": self.current_discussion.discussion_id, "time": timestamp, "welcome_message":self.personality.welcome_message, "sender":self.personality.name})

    def set_binding(self):
        data = request.get_json()
        binding =  str(data["binding"])
        if self.config['binding_name']!= binding:
            print("New binding selected")
            
            self.config['binding_name'] = binding
            try:
                binding_ =self.process.load_binding(config["binding_name"],True)
                models = binding_.list_models(self.config)
                if len(models)>0:      
                    self.binding = binding_
                    self.config['model_name'] = models[0]
                    # Build chatbot
                    return jsonify(self.process.set_config(self.config))
                else:
                    return jsonify({"status": "no_models_found"})
            except :
                return jsonify({"status": "failed"})
                
        return jsonify({"status": "error"})

    def set_model(self):
        data = request.get_json()
        model =  str(data["model_name"])
        if self.config['model_name']!= model:
            print("set_model: New model selected")            
            self.config['model_name'] = model
            # Build chatbot            
            return jsonify(self.process.set_config(self.config))

        return jsonify({"status": "succeeded"})    
    
    def update_model_params(self):
        data = request.get_json()
        binding =  str(data["binding"])
        model =  str(data["model_name"])
        personality_language =  str(data["personality_language"])
        personality_category =  str(data["personality_category"])
        personality =  str(data["personality"])
        
        if self.config['binding_name']!=binding or  self.config['model_name'] != model:
            print("update_model_params: New model selected")
            
            self.config['binding_name'] = binding
            self.config['model_name'] = model

        self.config['personality_language'] = personality_language
        self.config['personality_category'] = personality_category
        self.config['personality'] = personality

        personality_fn = lollms_path/f"personalities_zoo/{self.personality_language}/{self.personality_category}/{self.personality_name}"
        print(f"Loading personality : {personality_fn}")

        self.config['n_predict'] = int(data["nPredict"])
        self.config['seed'] = int(data["seed"])
        self.config['model_name'] = str(data["model_name"])
        self.config['voice'] = str(data["voice"])
        self.config['language'] = str(data["language"])
        
        self.config['temperature'] = float(data["temperature"])
        self.config['top_k'] = int(data["topK"])
        self.config['top_p'] = float(data["topP"])
        self.config['repeat_penalty'] = float(data["repeatPenalty"])
        self.config['repeat_last_n'] = int(data["repeatLastN"])

        self.config.save_config(self.config_file_path)

        
        # Fixed missing argument
        self.binding = self.process.rebuild_binding(self.config)

        print("==============================================")
        print("Parameters changed to:")
        print(f"\tBinding:{self.config['binding_name']}")
        print(f"\tModel:{self.config['model_name']}")
        print(f"\tPersonality language:{self.config['personality_language']}")
        print(f"\tPersonality category:{self.config['personality_category']}")
        print(f"\tPersonality:{self.config['personality']}")
        print(f"\tLanguage:{self.config['language']}")
        print(f"\tVoice:{self.config['voice']}")
        print(f"\tTemperature:{self.config['temperature']}")
        print(f"\tNPredict:{self.config['n_predict']}")
        print(f"\tSeed:{self.config['seed']}")
        print(f"\top_k:{self.config['top_k']}")
        print(f"\top_p:{self.config['top_p']}")
        print(f"\trepeat_penalty:{self.config['repeat_penalty']}")
        print(f"\trepeat_last_n:{self.config['repeat_last_n']}")
        print("==============================================")

        return jsonify(self.process.set_config(self.config))
    
    
    def get_available_models(self):
        """Get the available models

        Returns:
            _type_: _description_
        """
        if self.binding is None:
            return jsonify([])
        model_list = self.binding.get_available_models()

        models = []
        for model in model_list:
            try:
                filename = model.get('filename',"")
                server = model.get('server',"")
                image_url = model.get("icon", '/images/default_model.png')
                license = model.get("license", 'unknown')
                owner = model.get("owner", 'unknown')
                owner_link = model.get("owner_link", 'https://github.com/ParisNeo')
                filesize = int(model.get('filesize',0))
                description = model.get('description',"")
                model_type = model.get("model_type","")
                if server.endswith("/"):
                    path = f'{server}{filename}'
                else:
                    path = f'{server}/{filename}'
                local_path = lollms_paths.personal_models_path/f'{self.config["binding_name"]}/{filename}'
                is_installed = local_path.exists() or model_type.lower()=="api"
                models.append({
                    'title': filename,
                    'icon': image_url,  # Replace with the path to the model icon
                    'license': license,
                    'owner': owner,
                    'owner_link': owner_link,
                    'description': description,
                    'isInstalled': is_installed,
                    'path': path,
                    'filesize': filesize,
                    'model_type': model_type
                })
            except Exception as ex:
                print("#################################")
                print(ex)
                print("#################################")
                print(f"Problem with model : {model}")
        return jsonify(models)


    def train(self):
        form_data = request.form

        # Create and populate the config file
        config = {
            'model_name': form_data['model_name'],
            'tokenizer_name': form_data['tokenizer_name'],
            'dataset_path': form_data['dataset_path'],
            'max_length': form_data['max_length'],
            'batch_size': form_data['batch_size'],
            'lr': form_data['lr'],
            'num_epochs': form_data['num_epochs'],
            'output_dir': form_data['output_dir'],
        }

        with open('train/configs/train/local_cfg.yaml', 'w') as f:
            yaml.dump(config, f)

        # Trigger the train.py script
        # Place your code here to run the train.py script with the created config file
        # accelerate launch --dynamo_backend=inductor --num_processes=8 --num_machines=1 --machine_rank=0 --deepspeed_multinode_launcher standard --mixed_precision=bf16  --use_deepspeed --deepspeed_config_file=configs/deepspeed/ds_config_gptj.json train.py --config configs/train/finetune_gptj.yaml

        subprocess.check_call(["accelerate","launch", "--dynamo_backend=inductor", "--num_processes=8", "--num_machines=1", "--machine_rank=0", "--deepspeed_multinode_launcher standard", "--mixed_precision=bf16", "--use_deepspeed", "--deepspeed_config_file=train/configs/deepspeed/ds_config_gptj.json", "train/train.py", "--config", "train/configs/train/local_cfg.yaml"])

        return jsonify({'message': 'Training started'})
    
    def get_config(self):
        return jsonify(self.config.to_dict())
    
    def get_current_personality_path_infos(self):
        return jsonify({
            "personality_language":self.personality_language,
            "personality_category":self.personality_category, 
            "personality_name":self.personality_name
        })

    def main(self):
        return render_template("main.html")
    
    def settings(self):
        return render_template("settings.html")

    def help(self):
        return render_template("help.html")
    
    def training(self):
        return render_template("training.html")

    def extensions(self):
        return render_template("extensions.html")

def sync_cfg(default_config, config):
    """Syncs a configuration with the default configuration

    Args:
        default_config (_type_): _description_
        config (_type_): _description_

    Returns:
        _type_: _description_
    """
    added_entries = []
    removed_entries = []

    # Ensure all fields from default_config exist in config
    for key, value in default_config.items():
        if key not in config:
            config[key] = value
            added_entries.append(key)

    # Remove fields from config that don't exist in default_config
    for key in list(config.config.keys()):
        if key not in default_config:
            del config.config[key]
            removed_entries.append(key)

    config["version"]=default_config["version"]
    
    return config, added_entries, removed_entries

if __name__ == "__main__":
    lollms_paths = LollmsPaths.find_paths(force_local=True, custom_default_cfg_path="configs/config.yaml")
    db_folder = lollms_paths.personal_path/"databases"
    db_folder.mkdir(parents=True, exist_ok=True)
    parser = argparse.ArgumentParser(description="Start the chatbot Flask app.")
    parser.add_argument(
        "-c", "--config", type=str, default="local_config", help="Sets the configuration file to be used."
    )

    parser.add_argument(
        "-p", "--personality", type=str, default=None, help="Selects the personality to be using."
    )

    parser.add_argument(
        "-s", "--seed", type=int, default=None, help="Force using a specific seed value."
    )

    parser.add_argument(
        "-m", "--model", type=str, default=None, help="Force using a specific model."
    )
    parser.add_argument(
        "--temp", type=float, default=None, help="Temperature parameter for the model."
    )
    parser.add_argument(
        "--n_predict",
        type=int,
        default=None,
        help="Number of tokens to predict at each step.",
    )
    parser.add_argument(
        "--n_threads",
        type=int,
        default=None,
        help="Number of threads to use.",
    )
    parser.add_argument(
        "--top_k", type=int, default=None, help="Value for the top-k sampling."
    )
    parser.add_argument(
        "--top_p", type=float, default=None, help="Value for the top-p sampling."
    )
    parser.add_argument(
        "--repeat_penalty", type=float, default=None, help="Penalty for repeated tokens."
    )
    parser.add_argument(
        "--repeat_last_n",
        type=int,
        default=None,
        help="Number of previous tokens to consider for the repeat penalty.",
    )
    parser.add_argument(
        "--ctx_size",
        type=int,
        default=None,#2048,
        help="Size of the context window for the model.",
    )
    parser.add_argument(
        "--debug",
        dest="debug",
        action="store_true",
        default=None,
        help="launch Flask server in debug mode",
    )
    parser.add_argument(
        "--host", type=str, default=None, help="the hostname to listen on"
    )
    parser.add_argument("--port", type=int, default=None, help="the port to listen on")
    parser.add_argument(
        "--db_path", type=str, default=None, help="Database path"
    )
    args = parser.parse_args()

    # Configuration loading part
    config = LOLLMSConfig.autoload(lollms_paths)
    
    # Override values in config with command-line arguments
    for arg_name, arg_value in vars(args).items():
        if arg_value is not None:
            config[arg_name] = arg_value

    # executor = ThreadPoolExecutor(max_workers=1)
    # app.config['executor'] = executor
    bot = LoLLMsWebUI(app, socketio, config, config.file_path, lollms_paths)

    # chong Define custom WebSocketHandler with error handling 
    class CustomWebSocketHandler(WebSocketHandler):
        def handle_error(self, environ, start_response, e):
            # Handle the error here
            print("WebSocket error:", e)
            super().handle_error(environ, start_response, e)
    


    # chong -add socket server    
    app.config['debug'] = config["debug"]

    if config["debug"]:
        ASCIIColors.info("debug mode:true")    
    else:
        ASCIIColors.info("debug mode:false")
    
    url = f'http://{config["host"]}:{config["port"]}'
    
    print(f"Please open your browser and go to {url} to view the ui")
    socketio.run(app, host=config["host"], port=config["port"])
    # http_server = WSGIServer((config["host"], config["port"]), app, handler_class=WebSocketHandler)
    # http_server.serve_forever()