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import spaces | |
import os | |
from llama_cpp import Llama | |
from llama_cpp_agent import LlamaCppAgent, MessagesFormatterType | |
from llama_cpp_agent.providers import LlamaCppPythonProvider | |
from llama_cpp_agent.chat_history import BasicChatHistory | |
from llama_cpp_agent.chat_history.messages import Roles | |
import gradio as gr | |
from huggingface_hub import hf_hub_download | |
token_huggingface = os.getenv("HUGGINGFACE_TOKEN") | |
hf_hub_download( | |
repo_id="bartowski/gemma-2-2b-it-abliterated-GGUF", | |
filename="gemma-2-2b-it-abliterated-Q4_K_M.gguf", | |
local_dir="./models", | |
token=token_huggingface | |
) | |
llm = None | |
def responder( | |
mensaje, | |
historial: list[tuple[str, str]], | |
mensaje_sistema, | |
max_tokens, | |
temperatura, | |
top_p, | |
top_k, | |
penalizacion_repeticion, | |
): | |
plantilla_chat = MessagesFormatterType.GEMMA_2 | |
global llm | |
if llm is None: | |
llm = Llama( | |
model_path="models/gemma-2-2b-it-abliterated-Q4_K_M.gguf", | |
flash_attn=True, | |
n_gpu_layers=81, | |
n_batch=1024, | |
n_ctx=8192, | |
) | |
proveedor = LlamaCppPythonProvider(llm) | |
agente = LlamaCppAgent( | |
proveedor, | |
system_prompt=f"{mensaje_sistema}", | |
predefined_messages_formatter_type=plantilla_chat, | |
debug_output=True | |
) | |
configuracion = proveedor.get_provider_default_settings() | |
configuracion.temperature = temperatura | |
configuracion.top_k = top_k | |
configuracion.top_p = top_p | |
configuracion.max_tokens = max_tokens | |
configuracion.repeat_penalty = penalizacion_repeticion | |
configuracion.stream = True | |
mensajes = BasicChatHistory() | |
for msj in historial: | |
usuario = { | |
'role': Roles.user, | |
'content': msj[0] | |
} | |
asistente = { | |
'role': Roles.assistant, | |
'content': msj[1] | |
} | |
mensajes.add_message(usuario) | |
mensajes.add_message(asistente) | |
flujo = agente.get_chat_response( | |
mensaje, | |
llm_sampling_settings=configuracion, | |
chat_history=mensajes, | |
returns_streaming_generator=True, | |
print_output=False | |
) | |
salida = "" | |
for fragmento in flujo: | |
salida += fragmento | |
yield salida | |
descripcion = """<p align="center">Chat con Gemma 2B Abliterated usando llama.cpp</p> | |
<p><center> | |
<a href="https://huggingface.co/google/gemma-2-2b-it" target="_blank">[Modelo Gemma 2B it]</a> | |
<a href="https://huggingface.co/google/gemma-2-2b-it-GGUF" target="_blank">[Modelo Gemma 2B it GGUF]</a> | |
</center></p> | |
""" | |
demo = gr.ChatInterface( | |
responder, | |
additional_inputs=[ | |
gr.Textbox(value="Eres un asistente 煤til.", label="Mensaje del sistema"), | |
gr.Slider(minimum=1, maximum=4096, value=2048, step=1, label="Tokens m谩ximos"), | |
gr.Slider(minimum=0.1, maximum=4.0, value=0.7, step=0.1, label="Temperatura"), | |
gr.Slider( | |
minimum=0.1, | |
maximum=1.0, | |
value=0.95, | |
step=0.05, | |
label="Top-p", | |
), | |
gr.Slider( | |
minimum=0, | |
maximum=100, | |
value=40, | |
step=1, | |
label="Top-k", | |
), | |
gr.Slider( | |
minimum=0.0, | |
maximum=2.0, | |
value=1.1, | |
step=0.1, | |
label="Penalizaci贸n por repetici贸n", | |
), | |
], | |
retry_btn="Reintentar", | |
undo_btn="Deshacer", | |
clear_btn="Limpiar", | |
submit_btn="Enviar", | |
title="Chat con Gemma 2B usando llama.cpp", | |
description=descripcion, | |
chatbot=gr.Chatbot( | |
scale=1, | |
likeable=False, | |
show_copy_button=True | |
) | |
) | |
if __name__ == "__main__": | |
demo.launch() |