app.py

import spaces
import os
import json
import subprocess
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


huggingface_token = os.getenv("HUGGINGFACE_TOKEN")

hf_hub_download(
 repo_id="Aratako/calm3-22b-RP-GGUF",
 filename="calm3-22b-RP-Q6_K.gguf",
 local_dir="./models"
)



llm = None
llm_model = None

@spaces.GPU(duration=120)
def respond(
 message,
 history: list[tuple[str, str]],
 system_message,
 max_tokens,
 temperature,
 top_p,
 top_k,
 repeat_penalty,
):
 model = "calm3-22b-RP-Q6_K.gguf" 
 chat_template = MessagesFormatterType.CHATML

 global llm
 global llm_model
 
 if llm is None or llm_model != model:
 llm = Llama(
 model_path=f"models/{model}",
 flash_attn=True,
 n_gpu_layers=49,
 n_batch=1024,
 n_ctx=8192,
 )
 llm_model = model

 provider = LlamaCppPythonProvider(llm)

 agent = LlamaCppAgent(
 provider,
 system_prompt=f"{system_message}",
 predefined_messages_formatter_type=chat_template,
 debug_output=True
 )
 
 settings = provider.get_provider_default_settings()
 settings.temperature = temperature
 settings.top_k = top_k
 settings.top_p = top_p
 settings.max_tokens = max_tokens
 settings.repeat_penalty = repeat_penalty
 settings.stream = True

 messages = BasicChatHistory()

 for msn in history:
 user = {
 'role': Roles.user,
 'content': msn[0]
 }
 assistant = {
 'role': Roles.assistant,
 'content': msn[1]
 }
 messages.add_message(user)
 messages.add_message(assistant)
 
 stream = agent.get_chat_response(
 message,
 llm_sampling_settings=settings,
 chat_history=messages,
 returns_streaming_generator=True,
 print_output=False
 )
 
 outputs = ""
 for output in stream:
 outputs += output
 yield outputs

description = """<p align="center">Aratako/calm3-22b-RPのデモ（Q6_Kを利用）</p>
<p align="center">System messageにロールプレイの設定（場面や世界観、キャラの設定など）が入力されることを想定しています。</p>"""

demo = gr.ChatInterface(
 respond,
 additional_inputs=[
 gr.Textbox(value="あなたは親切なAIアシスタントです。", label="System message"),
 gr.Slider(minimum=1, maximum=4096, value=512, step=1, label="Max tokens"),
 gr.Slider(minimum=0.1, maximum=4.0, value=0.5, step=0.1, label="Temperature"),
 gr.Slider(
 minimum=0.1,
 maximum=1.0,
 value=0.9,
 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="Repetition penalty",
 ),
 ],
 retry_btn="Retry",
 undo_btn="Undo",
 clear_btn="Clear",
 submit_btn="Send",
 title="calm3-22b-RP demo", 
 description=description,
 chatbot=gr.Chatbot(
 scale=1, 
 likeable=False,
 show_copy_button=True
 )
)

if __name__ == "__main__":
 demo.launch()