from __future__ import annotations from typing import TYPE_CHECKING, List import logging import json import commentjson as cjson import os import sys import requests import urllib3 import platform from tqdm import tqdm import colorama from duckduckgo_search import ddg import asyncio import aiohttp from enum import Enum from .presets import * from .llama_func import * from .utils import * from . import shared from .config import retrieve_proxy from modules import config from .base_model import BaseLLMModel, ModelType class OpenAIClient(BaseLLMModel): def __init__( self, model_name, api_key, system_prompt=INITIAL_SYSTEM_PROMPT, temperature=1.0, top_p=1.0, ) -> None: super().__init__( model_name=model_name, temperature=temperature, top_p=top_p, system_prompt=system_prompt, ) self.api_key = api_key self.need_api_key = True self._refresh_header() def get_answer_stream_iter(self): response = self._get_response(stream=True) if response is not None: iter = self._decode_chat_response(response) partial_text = "" for i in iter: partial_text += i yield partial_text else: yield STANDARD_ERROR_MSG + GENERAL_ERROR_MSG def get_answer_at_once(self): response = self._get_response() response = json.loads(response.text) content = response["choices"][0]["message"]["content"] total_token_count = response["usage"]["total_tokens"] return content, total_token_count def count_token(self, user_input): input_token_count = count_token(construct_user(user_input)) if self.system_prompt is not None and len(self.all_token_counts) == 0: system_prompt_token_count = count_token( construct_system(self.system_prompt) ) return input_token_count + system_prompt_token_count return input_token_count def billing_info(self): try: curr_time = datetime.datetime.now() last_day_of_month = get_last_day_of_month(curr_time).strftime("%Y-%m-%d") first_day_of_month = curr_time.replace(day=1).strftime("%Y-%m-%d") usage_url = f"{shared.state.usage_api_url}?start_date={first_day_of_month}&end_date={last_day_of_month}" try: usage_data = self._get_billing_data(usage_url) except Exception as e: logging.error(f"获取API使用情况失败:" + str(e)) return f"**获取API使用情况失败**" rounded_usage = "{:.5f}".format(usage_data["total_usage"] / 100) return f"**本月使用金额** \u3000 ${rounded_usage}" except requests.exceptions.ConnectTimeout: status_text = ( STANDARD_ERROR_MSG + CONNECTION_TIMEOUT_MSG + ERROR_RETRIEVE_MSG ) return status_text except requests.exceptions.ReadTimeout: status_text = STANDARD_ERROR_MSG + READ_TIMEOUT_MSG + ERROR_RETRIEVE_MSG return status_text except Exception as e: logging.error(f"获取API使用情况失败:" + str(e)) return STANDARD_ERROR_MSG + ERROR_RETRIEVE_MSG def set_token_upper_limit(self, new_upper_limit): pass def set_key(self, new_access_key): self.api_key = new_access_key.strip() self._refresh_header() msg = f"API密钥更改为了{hide_middle_chars(self.api_key)}" logging.info(msg) return msg @shared.state.switching_api_key # 在不开启多账号模式的时候，这个装饰器不会起作用 def _get_response(self, stream=False): openai_api_key = self.api_key system_prompt = self.system_prompt history = self.history logging.debug(colorama.Fore.YELLOW + f"{history}" + colorama.Fore.RESET) headers = { "Content-Type": "application/json", "Authorization": f"Bearer {openai_api_key}", } if system_prompt is not None: history = [construct_system(system_prompt), *history] payload = { "model": self.model_name, "messages": history, "temperature": self.temperature, "top_p": self.top_p, "n": self.n_choices, "stream": stream, "presence_penalty": self.presence_penalty, "frequency_penalty": self.frequency_penalty, } if self.max_generation_token is not None: payload["max_tokens"] = self.max_generation_token if self.stop_sequence is not None: payload["stop"] = self.stop_sequence if self.logit_bias is not None: payload["logit_bias"] = self.logit_bias if self.user_identifier is not None: payload["user"] = self.user_identifier if stream: timeout = TIMEOUT_STREAMING else: timeout = TIMEOUT_ALL # 如果有自定义的api-host，使用自定义host发送请求，否则使用默认设置发送请求 if shared.state.completion_url != COMPLETION_URL: logging.info(f"使用自定义API URL: {shared.state.completion_url}") with retrieve_proxy(): try: response = requests.post( shared.state.completion_url, headers=headers, json=payload, stream=stream, timeout=timeout, ) except: return None return response def _refresh_header(self): self.headers = { "Content-Type": "application/json", "Authorization": f"Bearer {self.api_key}", } def _get_billing_data(self, billing_url): with retrieve_proxy(): response = requests.get( billing_url, headers=self.headers, timeout=TIMEOUT_ALL, ) if response.status_code == 200: data = response.json() return data else: raise Exception( f"API request failed with status code {response.status_code}: {response.text}" ) def _decode_chat_response(self, response): error_msg = "" for chunk in response.iter_lines(): if chunk: chunk = chunk.decode() chunk_length = len(chunk) try: chunk = json.loads(chunk[6:]) except json.JSONDecodeError: print(f"JSON解析错误,收到的内容: {chunk}") error_msg+=chunk continue if chunk_length > 6 and "delta" in chunk["choices"][0]: if chunk["choices"][0]["finish_reason"] == "stop": break try: yield chunk["choices"][0]["delta"]["content"] except Exception as e: # logging.error(f"Error: {e}") continue if error_msg: raise Exception(error_msg) class ChatGLM_Client(BaseLLMModel): def __init__(self, model_name) -> None: super().__init__(model_name=model_name) from transformers import AutoTokenizer, AutoModel import torch system_name = platform.system() model_path=None if os.path.exists("models"): model_dirs = os.listdir("models") if model_name in model_dirs: model_path = f"models/{model_name}" if model_path is not None: model_source = model_path else: model_source = f"THUDM/{model_name}" self.tokenizer = AutoTokenizer.from_pretrained( model_source, trust_remote_code=True ) quantified = False if "int4" in model_name: quantified = True if quantified: model = AutoModel.from_pretrained( model_source, trust_remote_code=True ).float() else: model = AutoModel.from_pretrained( model_source, trust_remote_code=True ).half() if torch.cuda.is_available(): # run on CUDA logging.info("CUDA is available, using CUDA") model = model.cuda() # mps加速还存在一些问题，暂时不使用 elif system_name == "Darwin" and model_path is not None and not quantified: logging.info("Running on macOS, using MPS") # running on macOS and model already downloaded model = model.to("mps") else: logging.info("GPU is not available, using CPU") model = model.eval() self.model = model def _get_glm_style_input(self): history = [x["content"] for x in self.history] query = history.pop() logging.debug(colorama.Fore.YELLOW + f"{history}" + colorama.Fore.RESET) assert ( len(history) % 2 == 0 ), f"History should be even length. current history is: {history}" history = [[history[i], history[i + 1]] for i in range(0, len(history), 2)] return history, query def get_answer_at_once(self): history, query = self._get_glm_style_input() response, _ = self.model.chat(self.tokenizer, query, history=history) return response, len(response) def get_answer_stream_iter(self): history, query = self._get_glm_style_input() for response, history in self.model.stream_chat( self.tokenizer, query, history, max_length=self.token_upper_limit, top_p=self.top_p, temperature=self.temperature, ): yield response class LLaMA_Client(BaseLLMModel): def __init__( self, model_name, lora_path=None, ) -> None: super().__init__(model_name=model_name) from lmflow.datasets.dataset import Dataset from lmflow.pipeline.auto_pipeline import AutoPipeline from lmflow.models.auto_model import AutoModel from lmflow.args import ModelArguments, DatasetArguments, InferencerArguments model_path = None if os.path.exists("models"): model_dirs = os.listdir("models") if model_name in model_dirs: model_path = f"models/{model_name}" if model_path is not None: model_source = model_path else: raise Exception(f"models目录下没有这个模型: {model_name}") if lora_path is not None: lora_path = f"lora/{lora_path}" self.max_generation_token = 1000 pipeline_name = "inferencer" model_args = ModelArguments(model_name_or_path=model_source, lora_model_path=lora_path, model_type=None, config_overrides=None, config_name=None, tokenizer_name=None, cache_dir=None, use_fast_tokenizer=True, model_revision='main', use_auth_token=False, torch_dtype=None, use_lora=False, lora_r=8, lora_alpha=32, lora_dropout=0.1, use_ram_optimized_load=True) pipeline_args = InferencerArguments(local_rank=0, random_seed=1, deepspeed='configs/ds_config_chatbot.json', mixed_precision='bf16') with open(pipeline_args.deepspeed, "r") as f: ds_config = json.load(f) self.model = AutoModel.get_model( model_args, tune_strategy="none", ds_config=ds_config, ) # We don't need input data data_args = DatasetArguments(dataset_path=None) self.dataset = Dataset(data_args) self.inferencer = AutoPipeline.get_pipeline( pipeline_name=pipeline_name, model_args=model_args, data_args=data_args, pipeline_args=pipeline_args, ) # Chats model_name = model_args.model_name_or_path if model_args.lora_model_path is not None: model_name += f" + {model_args.lora_model_path}" # context = ( # "You are a helpful assistant who follows the given instructions" # " unconditionally." # ) self.end_string = "\n\n" def _get_llama_style_input(self): history = [x["content"] for x in self.history] context = "\n".join(history) return context def get_answer_at_once(self): context = self._get_llama_style_input() input_dataset = self.dataset.from_dict( {"type": "text_only", "instances": [{"text": context}]} ) output_dataset = self.inferencer.inference( model=self.model, dataset=input_dataset, max_new_tokens=self.max_generation_token, temperature=self.temperature, ) response = output_dataset.to_dict()["instances"][0]["text"] try: index = response.index(self.end_string) except ValueError: response += self.end_string index = response.index(self.end_string) response = response[: index + 1] return response, len(response) def get_answer_stream_iter(self): context = self._get_llama_style_input() input_dataset = self.dataset.from_dict( {"type": "text_only", "instances": [{"text": context}]} ) output_dataset = self.inferencer.inference( model=self.model, dataset=input_dataset, max_new_tokens=self.max_generation_token, temperature=self.temperature, ) response = output_dataset.to_dict()["instances"][0]["text"] try: index = response.index(self.end_string) except ValueError: response += self.end_string index = response.index(self.end_string) response = response[: index + 1] yield response class ModelManager: def __init__(self, **kwargs) -> None: self.get_model(**kwargs) def get_model( self, model_name, lora_model_path=None, access_key=None, temperature=None, top_p=None, system_prompt=None, ) -> BaseLLMModel: msg = f"模型设置为了： {model_name}" model_type = ModelType.get_type(model_name) lora_selector_visibility = False lora_choices = [] dont_change_lora_selector = False if model_type != ModelType.OpenAI: config.local_embedding = True model = None try: if model_type == ModelType.OpenAI: model = OpenAIClient( model_name=model_name, api_key=access_key, system_prompt=system_prompt, temperature=temperature, top_p=top_p, ) elif model_type == ModelType.ChatGLM: model = ChatGLM_Client(model_name) elif model_type == ModelType.LLaMA and lora_model_path == "": msg = "现在请选择LoRA模型" logging.info(msg) lora_selector_visibility = True if os.path.isdir("lora"): lora_choices = get_file_names("lora", plain=True, filetypes=[""]) lora_choices = ["No LoRA"] + lora_choices elif model_type == ModelType.LLaMA and lora_model_path != "": dont_change_lora_selector = True if lora_model_path == "No LoRA": lora_model_path = None msg += " + No LoRA" else: msg += f" + {lora_model_path}" model = LLaMA_Client(model_name, lora_model_path) pass elif model_type == ModelType.Unknown: raise ValueError(f"未知模型: {model_name}") logging.info(msg) except Exception as e: logging.error(e) msg = f"{STANDARD_ERROR_MSG}: {e}" if model is not None: self.model = model if dont_change_lora_selector: return msg else: return msg, gr.Dropdown.update(choices=lora_choices, visible=lora_selector_visibility) def predict(self, *args): iter = self.model.predict(*args) for i in iter: yield i def billing_info(self): return self.model.billing_info() def set_key(self, *args): return self.model.set_key(*args) def load_chat_history(self, *args): return self.model.load_chat_history(*args) def interrupt(self, *args): return self.model.interrupt(*args) def reset(self, *args): return self.model.reset(*args) def retry(self, *args): iter = self.model.retry(*args) for i in iter: yield i def delete_first_conversation(self, *args): return self.model.delete_first_conversation(*args) def delete_last_conversation(self, *args): return self.model.delete_last_conversation(*args) def set_system_prompt(self, *args): return self.model.set_system_prompt(*args) def save_chat_history(self, *args): return self.model.save_chat_history(*args) def export_markdown(self, *args): return self.model.export_markdown(*args) def load_chat_history(self, *args): return self.model.load_chat_history(*args) def set_token_upper_limit(self, *args): return self.model.set_token_upper_limit(*args) def set_temperature(self, *args): self.model.set_temperature(*args) def set_top_p(self, *args): self.model.set_top_p(*args) def set_n_choices(self, *args): self.model.set_n_choices(*args) def set_stop_sequence(self, *args): self.model.set_stop_sequence(*args) def set_max_tokens(self, *args): self.model.set_max_tokens(*args) def set_presence_penalty(self, *args): self.model.set_presence_penalty(*args) def set_frequency_penalty(self, *args): self.model.set_frequency_penalty(*args) def set_logit_bias(self, *args): self.model.set_logit_bias(*args) def set_user_identifier(self, *args): self.model.set_user_identifier(*args) if __name__ == "__main__": with open("config.json", "r") as f: openai_api_key = cjson.load(f)["openai_api_key"] # set logging level to debug logging.basicConfig(level=logging.DEBUG) # client = ModelManager(model_name="gpt-3.5-turbo", access_key=openai_api_key) client = ModelManager(model_name="chatglm-6b-int4") chatbot = [] stream = False # 测试账单功能 logging.info(colorama.Back.GREEN + "测试账单功能" + colorama.Back.RESET) logging.info(client.billing_info()) # 测试问答 logging.info(colorama.Back.GREEN + "测试问答" + colorama.Back.RESET) question = "巴黎是中国的首都吗？" for i in client.predict(inputs=question, chatbot=chatbot, stream=stream): logging.info(i) logging.info(f"测试问答后history : {client.history}") # 测试记忆力 logging.info(colorama.Back.GREEN + "测试记忆力" + colorama.Back.RESET) question = "我刚刚问了你什么问题？" for i in client.predict(inputs=question, chatbot=chatbot, stream=stream): logging.info(i) logging.info(f"测试记忆力后history : {client.history}") # 测试重试功能 logging.info(colorama.Back.GREEN + "测试重试功能" + colorama.Back.RESET) for i in client.retry(chatbot=chatbot, stream=stream): logging.info(i) logging.info(f"重试后history : {client.history}") # # 测试总结功能 # print(colorama.Back.GREEN + "测试总结功能" + colorama.Back.RESET) # chatbot, msg = client.reduce_token_size(chatbot=chatbot) # print(chatbot, msg) # print(f"总结后history: {client.history}")