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############################################################################# | |
# Title: BERUFENET.AI | |
# Author: Andreas Fischer | |
# Date: January 4th, 2024 | |
# Last update: February 8th, 2024 | |
############################################################################# | |
import os | |
dbPath="/home/af/Schreibtisch/Code/gradio/BERUFENET/db" | |
if(os.path.exists(dbPath)==False): dbPath="/home/user/app/db" | |
print(dbPath) | |
# Chroma-DB | |
#----------- | |
import chromadb | |
#client = chromadb.Client() | |
path=dbPath | |
client = chromadb.PersistentClient(path=path) | |
print(client.heartbeat()) | |
print(client.get_version()) | |
print(client.list_collections()) | |
from chromadb.utils import embedding_functions | |
default_ef = embedding_functions.DefaultEmbeddingFunction() | |
sentence_transformer_ef = embedding_functions.SentenceTransformerEmbeddingFunction(model_name="T-Systems-onsite/cross-en-de-roberta-sentence-transformer") | |
#instructor_ef = embedding_functions.InstructorEmbeddingFunction(model_name="hkunlp/instructor-large", device="cuda") | |
print(str(client.list_collections())) | |
global collection | |
if("name=BerufenetDB1" in str(client.list_collections())): #(False): | |
print("BerufenetDB1 found!") | |
collection = client.get_collection(name="BerufenetDB1", embedding_function=sentence_transformer_ef) | |
print("Database ready!") | |
print(collection.count()) | |
# Model | |
#------- | |
from huggingface_hub import InferenceClient | |
import gradio as gr | |
client = InferenceClient("mistralai/Mixtral-8x7B-Instruct-v0.1") | |
# Gradio-GUI | |
#------------ | |
import gradio as gr | |
import json | |
def format_prompt(message, history): | |
prompt = "" #"<s>" | |
#for user_prompt, bot_response in history: | |
# prompt += f"[INST] {user_prompt} [/INST]" | |
# prompt += f" {bot_response}</s> " | |
prompt += f"[INST] {message} [/INST]" | |
return prompt | |
def response( | |
prompt, history, temperature=0.9, max_new_tokens=500, top_p=0.95, repetition_penalty=1.0, | |
): | |
temperature = float(temperature) | |
if temperature < 1e-2: temperature = 1e-2 | |
top_p = float(top_p) | |
generate_kwargs = dict( | |
temperature=temperature, | |
max_new_tokens=max_new_tokens, | |
top_p=top_p, | |
repetition_penalty=repetition_penalty, | |
do_sample=True, | |
seed=42, | |
) | |
addon="" | |
results=collection.query( | |
query_texts=[prompt], | |
n_results=5, | |
#where={"source": "google-docs"} | |
#where_document={"$contains":"search_string"} | |
) | |
dists=["<br><small>(relevance: "+str(round((1-d)*100)/100)+";" for d in results['distances'][0]] | |
sources=["source: "+s["source"]+")</small>" for s in results['metadatas'][0]] | |
results=results['documents'][0] | |
combination = zip(results,dists,sources) | |
combination = [' '.join(triplets) for triplets in combination] | |
print(str(prompt)+"\n\n"+str(combination)) | |
if(len(results)>1): | |
addon=" Bitte berücksichtige bei deiner Antwort ggf. folgende Auszüge aus unserer Datenbank, sofern sie für die Antwort erforderlich sind. Beantworte die Frage knapp und präzise. Ignoriere unpassende Datenbank-Auszüge OHNE sie zu kommentieren, zu erwähnen oder aufzulisten:\n"+"\n".join(results) | |
system="Du bist ein deutschsprachiges KI-basiertes Assistenzsystem, das zu jedem Anliegen möglichst geeignete Berufe empfiehlt."+addon+"\n\nUser-Anliegen:" | |
formatted_prompt = format_prompt(system+"\n"+prompt, history) | |
stream = client.text_generation(formatted_prompt, **generate_kwargs, stream=True, details=True, return_full_text=False) | |
output = "" | |
for response in stream: | |
output += response.token.text | |
yield output | |
output=output+"\n\n<br><details open><summary><strong>Sources</strong></summary><br><ul>"+ "".join(["<li>" + s + "</li>" for s in combination])+"</ul></details>" | |
yield output | |
gr.ChatInterface(response, chatbot=gr.Chatbot(value=[[None,"Herzlich willkommen! Ich bin ein KI-basiertes Assistenzsystem, das für jede Anfrage die am besten passenden Berufe empfiehlt.<br>Erzähle mir, was du gerne tust!"]],render_markdown=True),title="German BERUFENET-RAG-Interface to the Hugging Face Hub").queue().launch(share=True) #False, server_name="0.0.0.0", server_port=7864) | |
print("Interface up and running!") | |