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A newer version of this model is available: mattshumer/Reflection-Llama-3.1-70B

import gradio as gr from transformers import pipeline, GPT2Tokenizer, GPT2LMHeadModel import torch from datetime import datetime

Laad GPT-2 model en tokenizer voor meer controle

model_name = "gpt2" model = GPT2LMHeadModel.from_pretrained(model_name) tokenizer = GPT2Tokenizer.from_pretrained(model_name)

Zet het model in evaluatie-modus

model.eval()

Functie om de tokenslimiet in de gaten te houden

def manage_token_limit(history, max_tokens=1000): # Check of de geschiedenis te groot wordt tokenized_history = tokenizer.encode(history) if len(tokenized_history) > max_tokens: # Trim de geschiedenis return tokenizer.decode(tokenized_history[-max_tokens:]) else: return history

Functie om AI-respons te genereren met context

def generate_response(user_input, chat_history, temperature=0.7, top_k=50, top_p=0.9, max_length=100): # Voeg user input toe aan de geschiedenis new_history = chat_history + f"\nUser: {user_input}\nAI:"

# Trim de geschiedenis als die te lang is
new_history = manage_token_limit(new_history)

# Tokeniseer de geschiedenis
inputs = tokenizer.encode(new_history, return_tensors='pt')

# Genereer tekst met variatie in temperatuur en top-k sampling
outputs = model.generate(inputs, max_length=max_length, temperature=temperature, 
                         top_k=top_k, top_p=top_p, pad_token_id=tokenizer.eos_token_id)

# Decodeer de output en voeg deze toe aan de geschiedenis
generated_text = tokenizer.decode(outputs[:, inputs.shape[-1]:][0], skip_special_tokens=True)

new_history += generated_text + "\n"

return generated_text, new_history

Functie voor het loggen van conversaties

def log_conversation(user_input, response): # Simpele logging naar een bestand with open("chat_logs.txt", "a") as log_file: log_file.write(f"{datetime.now()} | User: {user_input} | AI: {response}\n")

Gradio interface-functie die interactie en instellingen beheert

def chatbot_interface(user_input, chat_history, temperature=0.7, top_k=50, top_p=0.9): # Genereer AI-reactie ai_response, updated_history = generate_response(user_input, chat_history, temperature, top_k, top_p)

# Log de conversatie
log_conversation(user_input, ai_response)

return ai_response, updated_history

Gradio UI setup

with gr.Blocks() as demo: # Titel en beschrijving gr.Markdown("# Geavanceerde AI Chatbot met Variatie") gr.Markdown("Deze chatbot gebruikt GPT-2 om geavanceerde, variabele antwoorden te genereren.")

# Input veld en conversatiegeschiedenis
chat_history = gr.State(value="")  # Houdt de volledige geschiedenis bij

with gr.Row():
    user_input = gr.Textbox(lines=2, placeholder="Typ hier je vraag...")

# Instellingen voor AI variatie
with gr.Row():
    temperature = gr.Slider(0.1, 1.0, value=0.7, label="Temperature (Creativiteit)")
    top_k = gr.Slider(1, 100, value=50, label="Top-k Sampling")
    top_p = gr.Slider(0.1, 1.0, value=0.9, label="Top-p Sampling")

# Output veld voor het AI antwoord
ai_output = gr.Textbox(label="AI Response")

# Start de chatbot
submit_button = gr.Button("Submit")
submit_button.click(chatbot_interface, 
                    inputs=[user_input, chat_history, temperature, top_k, top_p], 
                    outputs=[ai_output, chat_history])

# Reset knop
reset_button = gr.Button("Reset Chat")
reset_button.click(lambda: "", outputs=chat_history)

Start de Gradio interface

demo.launch()

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