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| 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 | |
| import uuid | |
| 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 i18n("**获取API使用情况失败**") | |
| rounded_usage = "{:.5f}".format(usage_data["total_usage"] / 100) | |
| return i18n("**本月使用金额** ") + f"\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(i18n("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 | |
| # 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(i18n("JSON解析错误,收到的内容: ") + f"{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 | |
| global CHATGLM_TOKENIZER, CHATGLM_MODEL | |
| if CHATGLM_TOKENIZER is None or CHATGLM_MODEL is None: | |
| 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}" | |
| CHATGLM_TOKENIZER = AutoTokenizer.from_pretrained( | |
| model_source, trust_remote_code=True | |
| ) | |
| quantified = False | |
| if "int4" in model_name: | |
| quantified = True | |
| model = AutoModel.from_pretrained( | |
| model_source, trust_remote_code=True | |
| ) | |
| if torch.cuda.is_available(): | |
| # run on CUDA | |
| logging.info("CUDA is available, using CUDA") | |
| model = model.half().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.half().to("mps") | |
| else: | |
| logging.info("GPU is not available, using CPU") | |
| model = model.float() | |
| model = model.eval() | |
| CHATGLM_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, _ = CHATGLM_MODEL.chat( | |
| CHATGLM_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 CHATGLM_MODEL.stream_chat( | |
| CHATGLM_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 | |
| self.max_generation_token = 1000 | |
| self.end_string = "\n\n" | |
| # We don't need input data | |
| data_args = DatasetArguments(dataset_path=None) | |
| self.dataset = Dataset(data_args) | |
| self.system_prompt = "" | |
| global LLAMA_MODEL, LLAMA_INFERENCER | |
| if LLAMA_MODEL is None or LLAMA_INFERENCER is None: | |
| 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"decapoda-research/{model_name}" | |
| # 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}" | |
| 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) | |
| LLAMA_MODEL = AutoModel.get_model( | |
| model_args, | |
| tune_strategy="none", | |
| ds_config=ds_config, | |
| ) | |
| LLAMA_INFERENCER = AutoPipeline.get_pipeline( | |
| pipeline_name="inferencer", | |
| 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." | |
| # ) | |
| def _get_llama_style_input(self): | |
| history = [] | |
| instruction = "" | |
| if self.system_prompt: | |
| instruction = (f"Instruction: {self.system_prompt}\n") | |
| for x in self.history: | |
| if x["role"] == "user": | |
| history.append(f"{instruction}Input: {x['content']}") | |
| else: | |
| history.append(f"Output: {x['content']}") | |
| context = "\n\n".join(history) | |
| context += "\n\nOutput: " | |
| 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 = LLAMA_INFERENCER.inference( | |
| model=LLAMA_MODEL, | |
| dataset=input_dataset, | |
| max_new_tokens=self.max_generation_token, | |
| temperature=self.temperature, | |
| ) | |
| response = output_dataset.to_dict()["instances"][0]["text"] | |
| return response, len(response) | |
| def get_answer_stream_iter(self): | |
| context = self._get_llama_style_input() | |
| partial_text = "" | |
| step = 1 | |
| for _ in range(0, self.max_generation_token, step): | |
| input_dataset = self.dataset.from_dict( | |
| {"type": "text_only", "instances": [ | |
| {"text": context + partial_text}]} | |
| ) | |
| output_dataset = LLAMA_INFERENCER.inference( | |
| model=LLAMA_MODEL, | |
| dataset=input_dataset, | |
| max_new_tokens=step, | |
| temperature=self.temperature, | |
| ) | |
| response = output_dataset.to_dict()["instances"][0]["text"] | |
| if response == "" or response == self.end_string: | |
| break | |
| partial_text += response | |
| yield partial_text | |
| class XMBot_Client(BaseLLMModel): | |
| def __init__(self, api_key): | |
| super().__init__(model_name="xmchat") | |
| self.api_key = api_key | |
| self.session_id = None | |
| self.reset() | |
| self.image_bytes = None | |
| self.image_path = None | |
| self.xm_history = [] | |
| self.url = "https://xmbot.net/web" | |
| def reset(self): | |
| self.session_id = str(uuid.uuid4()) | |
| return [], "已重置" | |
| def try_read_image(self, filepath): | |
| import base64 | |
| def is_image_file(filepath): | |
| # 判断文件是否为图片 | |
| valid_image_extensions = [".jpg", ".jpeg", ".png", ".bmp", ".gif", ".tiff"] | |
| file_extension = os.path.splitext(filepath)[1].lower() | |
| return file_extension in valid_image_extensions | |
| def read_image_as_bytes(filepath): | |
| # 读取图片文件并返回比特流 | |
| with open(filepath, "rb") as f: | |
| image_bytes = f.read() | |
| return image_bytes | |
| if is_image_file(filepath): | |
| logging.info(f"读取图片文件: {filepath}") | |
| image_bytes = read_image_as_bytes(filepath) | |
| base64_encoded_image = base64.b64encode(image_bytes).decode() | |
| self.image_bytes = base64_encoded_image | |
| self.image_path = filepath | |
| else: | |
| self.image_bytes = None | |
| self.image_path = None | |
| def prepare_inputs(self, real_inputs, use_websearch, files, reply_language, chatbot): | |
| fake_inputs = real_inputs | |
| display_append = "" | |
| limited_context = False | |
| return limited_context, fake_inputs, display_append, real_inputs, chatbot | |
| def handle_file_upload(self, files, chatbot): | |
| """if the model accepts multi modal input, implement this function""" | |
| if files: | |
| for file in files: | |
| if file.name: | |
| logging.info(f"尝试读取图像: {file.name}") | |
| self.try_read_image(file.name) | |
| if self.image_path is not None: | |
| chatbot = chatbot + [((self.image_path,), None)] | |
| if self.image_bytes is not None: | |
| logging.info("使用图片作为输入") | |
| conv_id = str(uuid.uuid4()) | |
| data = { | |
| "user_id": self.api_key, | |
| "session_id": self.session_id, | |
| "uuid": conv_id, | |
| "data_type": "imgbase64", | |
| "data": self.image_bytes | |
| } | |
| response = requests.post(self.url, json=data) | |
| response = json.loads(response.text) | |
| logging.info(f"图片回复: {response['data']}") | |
| return None, chatbot, None | |
| def get_answer_at_once(self): | |
| question = self.history[-1]["content"] | |
| conv_id = str(uuid.uuid4()) | |
| data = { | |
| "user_id": self.api_key, | |
| "session_id": self.session_id, | |
| "uuid": conv_id, | |
| "data_type": "text", | |
| "data": question | |
| } | |
| response = requests.post(self.url, json=data) | |
| try: | |
| response = json.loads(response.text) | |
| return response["data"], len(response["data"]) | |
| except Exception as e: | |
| return response.text, len(response.text) | |
| def get_model( | |
| model_name, | |
| lora_model_path=None, | |
| access_key=None, | |
| temperature=None, | |
| top_p=None, | |
| system_prompt=None, | |
| ) -> BaseLLMModel: | |
| msg = i18n("模型设置为了：") + f" {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 | |
| # del current_model.model | |
| model = None | |
| try: | |
| if model_type == ModelType.OpenAI: | |
| logging.info(f"正在加载OpenAI模型: {model_name}") | |
| 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: | |
| logging.info(f"正在加载ChatGLM模型: {model_name}") | |
| model = ChatGLM_Client(model_name) | |
| elif model_type == ModelType.LLaMA and lora_model_path == "": | |
| msg = f"现在请为 {model_name} 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 != "": | |
| logging.info(f"正在加载LLaMA模型: {model_name} + {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) | |
| elif model_type == ModelType.XMBot: | |
| model = XMBot_Client(api_key=access_key) | |
| 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 dont_change_lora_selector: | |
| return model, msg | |
| else: | |
| return model, msg, gr.Dropdown.update(choices=lora_choices, visible=lora_selector_visibility) | |
| 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 = get_model(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}") | |