Tobias Weise
fc96b462a3
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632 lines
17 KiB
Python
632 lines
17 KiB
Python
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"""
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OpenAPI access via http://localhost:5000/openapi/ on local docker-compose deployment
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"""
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#------std lib modules:-------
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import os, sys, json, time
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import os.path
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from typing import Any, Tuple, List, Dict, Any, Callable, Optional, Union
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from datetime import datetime, date
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import logging
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from functools import wraps
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#-------ext libs--------------
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#from elasticsearch import NotFoundError, Elasticsearch # for normal read/write without vectors
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#from elasticsearch_dsl import A, Document, Date, Integer, Keyword, Float, Long, Text, connections
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from elasticsearch_dsl import connections
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from pydantic import BaseModel, Field
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import jwt as pyjwt
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#flask, openapi
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from flask import Flask, send_from_directory, send_file, Response, request, jsonify
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from flask_openapi3 import Info, Tag, OpenAPI, Server #FileStorage
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from flask_socketio import SocketIO, join_room, leave_room, rooms, send
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#from werkzeug.utils import secure_filename
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import asyncio
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#----------home grown--------------
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from lib.funcs import group_by
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from lib.elastictools import get_by_id, wait_for_elasticsearch
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from lib.models import init_indicies, Chatbot, User, Text
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from lib.chatbot import ask_bot, ask_bot2, train_text, download_llm
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from lib.speech import text_to_speech
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from lib.mail import send_mail
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from lib.user import hash_password, create_user, create_default_users
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BOT_ROOT_PATH = os.getenv("BOT_ROOT_PATH")
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assert BOT_ROOT_PATH
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ollama_url = os.getenv("OLLAMA_URI")
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assert ollama_url
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elastic_url = os.getenv("ELASTIC_URI")
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assert elastic_url
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jwt_secret = os.getenv("SECRET")
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assert jwt_secret
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# JWT Bearer Sample
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jwt = {
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"type": "http",
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"scheme": "bearer",
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"bearerFormat": "JWT"
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}
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security_schemes = {"jwt": jwt}
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security = [{"jwt": []}]
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def get_module_versions():
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with open("requirements.txt", "r") as f:
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modules = {line.split("#")[0] for line in f.read().split("\n") if line.split("#")[0] != ""}
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with open("current_requirements.txt", "r") as f:
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d = {k: v for (k, v) in [line.split("#")[0].split("==") for line in f.read().split("\n") if line.split("#")[0] != ""]}
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return {k: v for k, v in d.items() if k in modules}
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import multiprocessing
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cpus = multiprocessing.cpu_count()
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info = Info(
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title="CreativeBots-API",
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version="1.0.0",
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summary="The REST-API to manage bots, users and more!",
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description="CPUs: " + str(cpus) + "<br>" + json.dumps(get_module_versions(), indent=4).replace("\n", "<br>")
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)
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servers = [
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Server(url=BOT_ROOT_PATH )
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]
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class NotFoundResponse(BaseModel):
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code: int = Field(-1, description="Status Code")
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message: str = Field("Resource not found!", description="Exception Information")
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app = OpenAPI(
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__name__,
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info=info,
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servers=servers,
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responses={404: NotFoundResponse},
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security_schemes=security_schemes
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)
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def uses_jwt(required=True):
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"""
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Wraps routes in a jwt-required logic and passes decoded jwt and user from elasticsearch to the route as keyword
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"""
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jwt_secret = os.getenv("SECRET")
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assert jwt_secret
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def non_param_deco(f):
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@wraps(f)
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def decorated_route(*args, **kwargs):
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token = None
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if "Authorization" in request.headers:
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token = request.headers["Authorization"].split(" ")[1]
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if not token:
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if required:
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return jsonify({
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'status': 'error',
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"message": "Authentication Token is missing!",
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}), 401
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else:
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kwargs["decoded_jwt"] = {}
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kwargs["user"] = None
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return f(*args, **kwargs)
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try:
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data = pyjwt.decode(token, jwt_secret, algorithms=["HS256"])
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except Exception as e:
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return jsonify({
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'status': 'error',
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"message": "JWT-decryption: " + str(e)
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}), 401
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try:
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response = User.search().filter("term", **{"email": data["email"]})[0:5].execute()
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for hit in response:
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user = hit
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break
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except Exception as e:
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return jsonify({
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'status': 'error',
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"message": "Invalid Authentication token!"
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}), 401
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kwargs["decoded_jwt"] = data
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kwargs["user"] = user
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return f(*args, **kwargs)
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return decorated_route
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return non_param_deco
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socket = SocketIO(app, cors_allowed_origins="*")
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@socket.on('connect')
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def sockcon(data):
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"""
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put every connection into it's own room
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to avoid broadcasting messages
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answer in callback only to room with sid
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"""
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room = request.sid + request.remote_addr
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join_room(room)
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socket.emit('backend response', {'msg': f'Connected to room {room} !', "room": room}) # looks like iOS needs an answer
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class SocketMessage(BaseModel):
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question: str = Field(None, description="Status Code")
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system_prompt: str = Field(None, description="Status Code")
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bot_id: str = Field(None, description="Status Code")
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room: Union[str, None] # = Field(None, description="Status Code")
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#TODO: pydantic message type validation
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@socket.on('client message')
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def handle_message(message):
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SocketMessage.model_validate(message)
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#try:
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room = message["room"]
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question = message["question"]
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system_prompt = message["system_prompt"]
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bot_id = message["bot_id"]
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start = datetime.now().timestamp()
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d = ask_bot2(system_prompt + " " + question, bot_id)
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def get_scores(*args):
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score_docs = d["get_score_docs"]()
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return score_docs
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def do_streaming(*args):
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start_stream = datetime.now().timestamp()
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for chunk in d["answer_generator"]():
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socket.emit('backend token', {'data': chunk, "done": False}, to=room)
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stream_duration = round(datetime.now().timestamp() - start_stream, 2)
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print("Stream duration: ", stream_duration, flush=True)
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async def f():
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ls = await asyncio.gather(
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asyncio.to_thread(get_scores, 1,2,3),
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asyncio.to_thread(do_streaming, 1,2,3)
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)
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return ls
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[score_docs, _] = asyncio.run(f())
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socket.emit('backend token', {
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'done': True,
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"score_docs": score_docs
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}, to=room)
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duration = round(datetime.now().timestamp() - start, 2)
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print("Total duration: ", duration, flush=True)
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#======================= TAGS =============================
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not_implemented_tag = Tag(name='Not implemented', description='Functionality not yet implemented beyond an empty response')
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debug_tag = Tag(name='Debug', description='Debug')
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bot_tag = Tag(name='Bot', description='Bot')
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user_tag = Tag(name='User', description='User')
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#==============Routes===============
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class LoginRequest(BaseModel):
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email: str = Field(None, description='The users E-Mail that serves as nick too.')
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password: str = Field(None, description='A short text by the user explaining the rating.')
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@app.post('/user/login', summary="", tags=[user_tag])
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def login(form: LoginRequest):
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"""
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Get your JWT to verify access rights
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"""
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if form.email is None or form.password is None:
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msg = "Invalid password!"
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app.logger.error(msg)
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return jsonify({
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'status': 'error',
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'message': msg
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}), 400
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match get_by_id(index="user", id_field_name="email", id_value=form.email):
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case []:
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msg = "User with email '%s' doesn't exist!" % form.email
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app.logger.error(msg)
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return jsonify({
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'status': 'error',
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'message': msg
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}), 400
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case [user]:
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if user["password_hash"] == hash_password(form.password + form.email):
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token = pyjwt.encode({"email": form.email}, jwt_secret, algorithm="HS256")
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#app.logger.info(token)
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return jsonify({
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'status': 'success',
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'jwt': token
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})
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else:
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msg = "Invalid password!"
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app.logger.error(msg)
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return jsonify({
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'status': 'error',
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'message': msg
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}), 400
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class RegisterRequest(BaseModel):
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email: str = Field(None, description='The users E-Mail that serves as nick too.')
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password: str = Field(None, description='A short text by the user explaining the rating.')
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@app.post('/user/register', summary="", tags=[user_tag])
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def register(form: RegisterRequest):
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"""
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Register an account
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"""
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if form.email is None or form.password is None:
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msg = "Parameters missing!"
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app.logger.error(msg)
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return jsonify({
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'status': 'error',
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'message': msg
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}), 400
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if User.get(id=form.email, ignore=404) is not None:
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return jsonify({
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'status': 'error',
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"message": "User with that e-mail address already exists!"
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})
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else:
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user = User(meta={'id': form.email})
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user.creation_date = datetime.now()
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user.email = form.email
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user.password_hash = hash_password(form.password + form.email)
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user.role = "User"
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user.isEmailVerified = False
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user.save()
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msg = """
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<h1>Verify E-Mail</h1>
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Hi!
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Please click on the following link to verify your e-mail:
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<a href="http://127.0.0.1:5000/">Click here!</a>
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"""
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send_mail(user.email, "User registration @ Creative Bots", "Creative Bots", msg)
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return jsonify({
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'status': 'success'
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})
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#-----bot routes------
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class GetSpeechRequest(BaseModel):
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text: str = Field(None, description="Some text to convert to mp3")
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@app.post('/text2speech', summary="", tags=[], security=security)
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def text2speech(form: GetSpeechRequest):
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file_name = text_to_speech(form.text)
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return jsonify({
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"status": "success",
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"file": "/" + file_name
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})
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#============ Bot CRUD ===============
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class CreateBotRequest(BaseModel):
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name: str = Field(None, description="The bot's name")
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visibility: str = Field('private', description="The bot's visibility to other users ('private', 'public')")
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description: str = Field('', description="The bot's description of purpose and being")
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system_prompt: str = Field('', description="The bot's defining system prompt")
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llm_model: str = Field("llama3", description="The bot's used LLM")
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#status = Keyword()
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#temperature = Float()
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@app.post('/bot', summary="", tags=[bot_tag], security=security)
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@uses_jwt()
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def create_bot(form: CreateBotRequest, decoded_jwt, user):
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"""
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Creates a chatbot for the JWT associated user.
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"""
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CreateBotRequest.model_validate(form)
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bot = Chatbot()
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bot.name = form.name
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bot.visibility = form.visibility
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bot.description = form.description
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bot.system_prompt = form.system_prompt
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bot.llm_model = form.llm_model
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#add meta data
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bot.creation_date = datetime.now()
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bot.creator_id = user.meta.id
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bot.save()
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return jsonify({
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"bot_id": bot.meta.id
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})
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class GetBotRequest(BaseModel):
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id: str = Field(None, description="The bot's id")
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@app.get('/bot', summary="", tags=[bot_tag], security=security)
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@uses_jwt(required=False)
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def get_bots(query: GetBotRequest, decoded_jwt, user):
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"""
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List all bots or one by id
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"""
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match query.id:
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case None:
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match user:
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case None:
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#get all public bots
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ls = []
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for hit in Chatbot.search()[0:10000].execute():
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d = hit.to_dict()
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if d["visibility"] == "public":
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d["id"] = hit.meta.id
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ls.append(d)
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return jsonify(ls)
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case _:
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#get all user bots
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ls = []
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for hit in Chatbot.search()[0:10000].execute():
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d = hit.to_dict()
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if "creator_id" in d:
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if user.meta.id == d["creator_id"]:
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d["id"] = hit.meta.id
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ls.append(d)
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return jsonify(ls)
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case some_id:
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match user:
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case None:
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bot = Chatbot.get(id=query.id)
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if bot.visibility == "public":
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d = bot.to_dict()
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d["id"] = bot.meta.id
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return jsonify(d)
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else:
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return jsonify(None)
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case _:
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bot = Chatbot.get(id=query.id)
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d = bot.to_dict()
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d["id"] = bot.meta.id
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return jsonify(d)
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class UpdateBotRequest(BaseModel):
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id: str = Field(None, description="The bot's id")
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name: str = Field(None, description="The bot's name")
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visibility: str = Field(None, description="The bot's visibility to other users ('private', 'public')")
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description: str = Field(None, description="The bot's description of purpose and being")
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system_prompt: str = Field(None, description="The bot's defining system prompt")
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llm_model: str = Field(None, description="The bot's used LLM")
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@app.put('/bot', summary="", tags=[bot_tag], security=security)
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@uses_jwt()
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def update_bot(form: UpdateBotRequest, decoded_jwt, user):
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"""
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Change a chatbot via it's id
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"""
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bot = Chatbot.get(id=form.id)
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bot.name = form.name
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bot.visibility = form.visibility
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bot.description = form.description
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bot.system_prompt = form.system_prompt
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bot.llm_model = form.llm_model
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#add meta data
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bot.changed_date = datetime.now()
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bot.save()
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return jsonify({
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"status": "success"
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})
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class DeleteBotRequest(BaseModel):
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id: str = Field(None, description="The bot's id")
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@app.delete('/bot', summary="", tags=[bot_tag], security=security)
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@uses_jwt()
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def delete_bot(form: DeleteBotRequest, decoded_jwt, user):
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"""
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Deletes a chatbot via it's id
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"""
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bot = Chatbot.get(id=form.id)
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bot.delete()
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return jsonify({
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"status": "success"
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})
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#============================================================================
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class AskBotRequest(BaseModel):
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bot_id: str = Field(None, description="The bot's id")
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question: str = Field(None, description="The question the bot should answer")
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@app.get('/bot/ask', summary="", tags=[bot_tag], security=security)
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@uses_jwt()
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def query_bot(query: AskBotRequest, decoded_jwt, user):
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"""
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Asks a chatbot
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"""
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bot_id = query.bot_id
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question = query.question
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start = datetime.now().timestamp()
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d = ask_bot2(system_prompt + " " + question, bot_id)
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def get_scores(*args):
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score_docs = d["get_score_docs"]()
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return score_docs
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def do_streaming(*args):
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start_stream = datetime.now().timestamp()
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answer = ""
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for chunk in d["answer_generator"]():
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answer += chunk
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stream_duration = round(datetime.now().timestamp() - start_stream, 2)
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print("Stream duration: ", stream_duration, flush=True)
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return answer
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async def f():
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ls = await asyncio.gather(
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asyncio.to_thread(get_scores, 1,2,3),
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asyncio.to_thread(do_streaming, 1,2,3)
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)
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return ls
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[score_docs, answer] = asyncio.run(f())
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duration = round(datetime.now().timestamp() - start, 2)
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print("Total duration: ", duration, flush=True)
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app.logger.info(duration)
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return jsonify({
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"answer": answer,
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"duration": str(duration),
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#"docs": ls#,
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"score_docs": xs
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})
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#-----------------Embedding----------------------
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class TrainTextRequest(BaseModel):
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bot_id: str = Field(None, description="The bot's id")
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text: str = Field(None, description="Some text")
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@app.post('/bot/train/text', summary="", tags=[bot_tag], security=security)
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@uses_jwt()
|
|
def upload(form: TrainTextRequest, decoded_jwt, user):
|
|
"""
|
|
Caution: Long running request!
|
|
"""
|
|
bot_id = form.bot_id
|
|
text = form.text
|
|
|
|
# validate body
|
|
if not bot_id:
|
|
return jsonify({
|
|
'status': 'error',
|
|
'message': 'chatbotId is required'
|
|
}), 400
|
|
|
|
if not text:
|
|
return jsonify({
|
|
'status': 'error',
|
|
'message': 'No data source found'
|
|
}), 400
|
|
|
|
train_text(bot_id, text)
|
|
return jsonify({
|
|
"status": "success"
|
|
})
|
|
|
|
#-------- non api routes -------------
|
|
|
|
@app.route("/") #Index Verzeichnis
|
|
def index():
|
|
return send_from_directory('./public', "index.html")
|
|
|
|
|
|
@app.route('/<path:path>') #generische Route (auch Unterordner)
|
|
def catchAll(path):
|
|
return send_from_directory('./public', path)
|
|
|
|
|
|
#import logging_loki
|
|
|
|
|
|
|
|
def create_app():
|
|
LOG_LEVEL = os.getenv("LOG_LEVEL")
|
|
if LOG_LEVEL:
|
|
logging.basicConfig(level=eval("logging." + LOG_LEVEL))
|
|
else:
|
|
logging.basicConfig(level=logging.WARN)
|
|
|
|
#TODO: implement some kind of logging mechanism
|
|
download_llm("llama3")
|
|
connections.create_connection(hosts=elastic_url, request_timeout=60)
|
|
wait_for_elasticsearch()
|
|
init_indicies()
|
|
create_default_users()
|
|
|
|
return app
|
|
|
|
if __name__ == '__main__':
|
|
app = create_app()
|
|
app.run(debug=False, host='0.0.0.0')
|
|
|
|
|