import os from gradio.themes import ThemeClass as Theme import numpy as np import argparse import gradio as gr from typing import Any, Iterator from typing import Iterator, List, Optional, Tuple import filelock import glob import json import time from gradio.routes import Request from gradio.utils import SyncToAsyncIterator, async_iteration from gradio.helpers import special_args import anyio from typing import AsyncGenerator, Callable, Literal, Union, cast, Generator from gradio_client.documentation import document, set_documentation_group from gradio.components import Button, Component from gradio.events import Dependency, EventListenerMethod from typing import List, Optional, Union, Dict, Tuple from tqdm.auto import tqdm from huggingface_hub import snapshot_download import inspect from typing import AsyncGenerator, Callable, Literal, Union, cast import anyio from gradio_client import utils as client_utils from gradio_client.documentation import document from gradio.blocks import Blocks from gradio.components import ( Button, Chatbot, Component, Markdown, State, Textbox, get_component_instance, ) from gradio.events import Dependency, on from gradio.helpers import create_examples as Examples # noqa: N812 from gradio.helpers import special_args from gradio.layouts import Accordion, Group, Row from gradio.routes import Request from gradio.themes import ThemeClass as Theme from gradio.utils import SyncToAsyncIterator, async_iteration from .base_demo import register_demo, get_demo_class, BaseDemo from ..configs import ( SYSTEM_PROMPT, MODEL_NAME, MAX_TOKENS, TEMPERATURE, ) from ..globals import MODEL_ENGINE def generate_text_completion_stream_engine( message: str, temperature: float, max_tokens: int, stop_strings: str = ',,<|im_start|>,<|im_end|>', ): global MODEL_ENGINE temperature = float(temperature) # ! remove frequency_penalty # frequency_penalty = float(frequency_penalty) max_tokens = int(max_tokens) # message = message.strip() stop_strings = [x.strip() for x in stop_strings.strip().split(",")] stop_strings = list(set(stop_strings + ['', '<|im_start|>', '<|im_end|>'])) if message.strip() != message: gr.Warning(f'There are preceding/trailing spaces in the message, may lead to unexpected behavior') if len(message) == 0: raise gr.Error("The message cannot be empty!") num_tokens = len(MODEL_ENGINE.tokenizer.encode(message)) if num_tokens >= MODEL_ENGINE.max_position_embeddings - 128: raise gr.Error(f"Conversation or prompt is too long ({num_tokens} toks), please clear the chatbox or try shorter input.") outputs = None response = None num_tokens = -1 for j, outputs in enumerate(MODEL_ENGINE.generate_yield_string( prompt=message, temperature=temperature, max_tokens=max_tokens, stop_strings=stop_strings, )): if isinstance(outputs, tuple): response, num_tokens = outputs else: response, num_tokens = outputs, -1 yield message + response, f"{num_tokens} tokens" if response is not None: yield message + response, f"{num_tokens} tokens" @register_demo class TextCompletionDemo(BaseDemo): @property def tab_name(self): return "Text Completion" def create_demo( self, title: str | None = None, description: str | None = None, **kwargs ) -> gr.Blocks: system_prompt = kwargs.get("system_prompt", SYSTEM_PROMPT) max_tokens = kwargs.get("max_tokens", MAX_TOKENS) temperature = kwargs.get("temperature", TEMPERATURE) model_name = kwargs.get("model_name", MODEL_NAME) # frequence_penalty = FREQUENCE_PENALTY # presence_penalty = PRESENCE_PENALTY max_tokens = max_tokens // 2 description = description or f"""Put any context string (like few-shot prompts)""" with gr.Blocks() as demo_text_completion: if title: gr.Markdown(title) if description: gr.Markdown(description) with gr.Row(): txt = gr.Textbox( scale=4, lines=16, show_label=False, placeholder="Enter any free form text and submit", container=False, ) with gr.Row(): submit_button = gr.Button('Submit', variant='primary', scale=9) stop_button = gr.Button('Stop', variant='stop', scale=9, visible=False) num_tokens = Textbox( container=False, show_label=False, label="num_tokens", placeholder="0 tokens", scale=1, interactive=False, min_width=10 ) with gr.Row(): temp_input = gr.Number(value=temperature, label='Temperature', info="Higher -> more random") length_input = gr.Number(value=max_tokens, label='Max tokens', info='Increase if want more generation') stop_strings = gr.Textbox(value=",,<|im_start|>,<|im_end|>", label='Stop strings', info='Comma-separated string to stop generation only in FEW-SHOT mode', lines=1) examples = gr.Examples( examples=[ ["The following is the recite the declaration of independence:",] ], inputs=[txt, temp_input, length_input, stop_strings], # outputs=[txt] ) # ! Handle stop button submit_trigger = submit_button.click submit_event = submit_button.click( # submit_trigger, generate_text_completion_stream_engine, [txt, temp_input, length_input, stop_strings], [txt, num_tokens], # api_name=False, # queue=False, ) submit_trigger( lambda: ( Button(visible=False), Button(visible=True), ), None, [submit_button, stop_button], api_name=False, queue=False, ) submit_event.then( lambda: (Button(visible=True), Button(visible=False)), None, [submit_button, stop_button], api_name=False, queue=False, ) stop_button.click( None, None, None, cancels=submit_event, api_name=False, ) return demo_text_completion