"""
该文件中主要包含三个函数
不具备多线程能力的函数：
1. predict: 正常对话时使用，具备完备的交互功能，不可多线程
具备多线程调用能力的函数
2. predict_no_ui_long_connection：支持多线程
"""
import json
import time
import logging
import requests
import base64
import os
import glob
from toolbox import get_conf, update_ui, is_any_api_key, select_api_key, what_keys, clip_history, trimmed_format_exc, is_the_upload_folder, \
update_ui_lastest_msg, get_max_token, encode_image, have_any_recent_upload_image_files
proxies, TIMEOUT_SECONDS, MAX_RETRY, API_ORG, AZURE_CFG_ARRAY = \
get_conf('proxies', 'TIMEOUT_SECONDS', 'MAX_RETRY', 'API_ORG', 'AZURE_CFG_ARRAY')
timeout_bot_msg = '[Local Message] Request timeout. Network error. Please check proxy settings in config.py.' + \
'网络错误，检查代理服务器是否可用，以及代理设置的格式是否正确，格式须是[协议]://[地址]:[端口]，缺一不可。'
def report_invalid_key(key):
if get_conf("BLOCK_INVALID_APIKEY"):
# 实验性功能，自动检测并屏蔽失效的KEY，请勿使用
from request_llms.key_manager import ApiKeyManager
api_key = ApiKeyManager().add_key_to_blacklist(key)
def get_full_error(chunk, stream_response):
"""
获取完整的从Openai返回的报错
"""
while True:
try:
chunk += next(stream_response)
except:
break
return chunk
def decode_chunk(chunk):
# 提前读取一些信息 （用于判断异常）
chunk_decoded = chunk.decode()
chunkjson = None
has_choices = False
choice_valid = False
has_content = False
has_role = False
try:
chunkjson = json.loads(chunk_decoded[6:])
has_choices = 'choices' in chunkjson
if has_choices: choice_valid = (len(chunkjson['choices']) > 0)
if has_choices and choice_valid: has_content = "content" in chunkjson['choices'][0]["delta"]
if has_choices and choice_valid: has_role = "role" in chunkjson['choices'][0]["delta"]
except:
pass
return chunk_decoded, chunkjson, has_choices, choice_valid, has_content, has_role
from functools import lru_cache
@lru_cache(maxsize=32)
def verify_endpoint(endpoint):
"""
检查endpoint是否可用
"""
return endpoint
def predict_no_ui_long_connection(inputs, llm_kwargs, history=[], sys_prompt="", observe_window=None, console_slience=False):
raise NotImplementedError
def predict(inputs, llm_kwargs, plugin_kwargs, chatbot, history=[], system_prompt='', stream = True, additional_fn=None):
have_recent_file, image_paths = have_any_recent_upload_image_files(chatbot)
if is_any_api_key(inputs):
chatbot._cookies['api_key'] = inputs
chatbot.append(("输入已识别为openai的api_key", what_keys(inputs)))
yield from update_ui(chatbot=chatbot, history=history, msg="api_key已导入") # 刷新界面
return
elif not is_any_api_key(chatbot._cookies['api_key']):
chatbot.append((inputs, "缺少api_key。\n\n1. 临时解决方案：直接在输入区键入api_key，然后回车提交。\n\n2. 长效解决方案：在config.py中配置。"))
yield from update_ui(chatbot=chatbot, history=history, msg="缺少api_key") # 刷新界面
return
if not have_recent_file:
chatbot.append((inputs, "没有检测到任何近期上传的图像文件，请上传jpg格式的图片，此外，请注意拓展名需要小写"))
yield from update_ui(chatbot=chatbot, history=history, msg="等待图片") # 刷新界面
return
if os.path.exists(inputs):
chatbot.append((inputs, "已经接收到您上传的文件，您不需要再重复强调该文件的路径了，请直接输入您的问题。"))
yield from update_ui(chatbot=chatbot, history=history, msg="等待指令") # 刷新界面
return
user_input = inputs
if additional_fn is not None:
from core_functional import handle_core_functionality
inputs, history = handle_core_functionality(additional_fn, inputs, history, chatbot)
raw_input = inputs
logging.info(f'[raw_input] {raw_input}')
def make_media_input(inputs, image_paths):
for image_path in image_paths:
inputs = inputs + f'
'
return inputs
chatbot.append((make_media_input(inputs, image_paths), ""))
yield from update_ui(chatbot=chatbot, history=history, msg="等待响应") # 刷新界面
# check mis-behavior
if is_the_upload_folder(user_input):
chatbot[-1] = (inputs, f"[Local Message] 检测到操作错误！当您上传文档之后，需点击“**函数插件区**”按钮进行处理，请勿点击“提交”按钮或者“基础功能区”按钮。")
yield from update_ui(chatbot=chatbot, history=history, msg="正常") # 刷新界面
time.sleep(2)
try:
headers, payload, api_key = generate_payload(inputs, llm_kwargs, history, system_prompt, image_paths)
except RuntimeError as e:
chatbot[-1] = (inputs, f"您提供的api-key不满足要求，不包含任何可用于{llm_kwargs['llm_model']}的api-key。您可能选择了错误的模型或请求源。")
yield from update_ui(chatbot=chatbot, history=history, msg="api-key不满足要求") # 刷新界面
return
# 检查endpoint是否合法
try:
from .bridge_all import model_info
endpoint = verify_endpoint(model_info[llm_kwargs['llm_model']]['endpoint'])
except:
tb_str = '```\n' + trimmed_format_exc() + '```'
chatbot[-1] = (inputs, tb_str)
yield from update_ui(chatbot=chatbot, history=history, msg="Endpoint不满足要求") # 刷新界面
return
history.append(make_media_input(inputs, image_paths))
history.append("")
retry = 0
while True:
try:
# make a POST request to the API endpoint, stream=True
response = requests.post(endpoint, headers=headers, proxies=proxies,
json=payload, stream=True, timeout=TIMEOUT_SECONDS);break
except:
retry += 1
chatbot[-1] = ((chatbot[-1][0], timeout_bot_msg))
retry_msg = f"，正在重试 ({retry}/{MAX_RETRY}) ……" if MAX_RETRY > 0 else ""
yield from update_ui(chatbot=chatbot, history=history, msg="请求超时"+retry_msg) # 刷新界面
if retry > MAX_RETRY: raise TimeoutError
gpt_replying_buffer = ""
is_head_of_the_stream = True
if stream:
stream_response = response.iter_lines()
while True:
try:
chunk = next(stream_response)
except StopIteration:
# 非OpenAI官方接口的出现这样的报错，OpenAI和API2D不会走这里
chunk_decoded = chunk.decode()
error_msg = chunk_decoded
# 首先排除一个one-api没有done数据包的第三方Bug情形
if len(gpt_replying_buffer.strip()) > 0 and len(error_msg) == 0:
yield from update_ui(chatbot=chatbot, history=history, msg="检测到有缺陷的非OpenAI官方接口，建议选择更稳定的接口。")
break
# 其他情况，直接返回报错
chatbot, history = handle_error(inputs, llm_kwargs, chatbot, history, chunk_decoded, error_msg, api_key)
yield from update_ui(chatbot=chatbot, history=history, msg="非OpenAI官方接口返回了错误:" + chunk.decode()) # 刷新界面
return
# 提前读取一些信息 （用于判断异常）
chunk_decoded, chunkjson, has_choices, choice_valid, has_content, has_role = decode_chunk(chunk)
if is_head_of_the_stream and (r'"object":"error"' not in chunk_decoded) and (r"content" not in chunk_decoded):
# 数据流的第一帧不携带content
is_head_of_the_stream = False; continue
if chunk:
try:
if has_choices and not choice_valid:
# 一些垃圾第三方接口的出现这样的错误
continue
# 前者是API2D的结束条件，后者是OPENAI的结束条件
if ('data: [DONE]' in chunk_decoded) or (len(chunkjson['choices'][0]["delta"]) == 0):
# 判定为数据流的结束，gpt_replying_buffer也写完了
lastmsg = chatbot[-1][-1] + f"\n\n\n\n「{llm_kwargs['llm_model']}调用结束，该模型不具备上下文对话能力，如需追问，请及时切换模型。」"
yield from update_ui_lastest_msg(lastmsg, chatbot, history, delay=1)
logging.info(f'[response] {gpt_replying_buffer}')
break
# 处理数据流的主体
status_text = f"finish_reason: {chunkjson['choices'][0].get('finish_reason', 'null')}"
# 如果这里抛出异常，一般是文本过长，详情见get_full_error的输出
if has_content:
# 正常情况
gpt_replying_buffer = gpt_replying_buffer + chunkjson['choices'][0]["delta"]["content"]
elif has_role:
# 一些第三方接口的出现这样的错误，兼容一下吧
continue
else:
# 一些垃圾第三方接口的出现这样的错误
gpt_replying_buffer = gpt_replying_buffer + chunkjson['choices'][0]["delta"]["content"]
history[-1] = gpt_replying_buffer
chatbot[-1] = (history[-2], history[-1])
yield from update_ui(chatbot=chatbot, history=history, msg=status_text) # 刷新界面
except Exception as e:
yield from update_ui(chatbot=chatbot, history=history, msg="Json解析不合常规") # 刷新界面
chunk = get_full_error(chunk, stream_response)
chunk_decoded = chunk.decode()
error_msg = chunk_decoded
chatbot, history = handle_error(inputs, llm_kwargs, chatbot, history, chunk_decoded, error_msg, api_key)
yield from update_ui(chatbot=chatbot, history=history, msg="Json异常" + error_msg) # 刷新界面
print(error_msg)
return
def handle_error(inputs, llm_kwargs, chatbot, history, chunk_decoded, error_msg, api_key=""):
from .bridge_all import model_info
openai_website = ' 请登录OpenAI查看详情 https://platform.openai.com/signup'
if "reduce the length" in error_msg:
if len(history) >= 2: history[-1] = ""; history[-2] = "" # 清除当前溢出的输入：history[-2] 是本次输入, history[-1] 是本次输出
history = clip_history(inputs=inputs, history=history, tokenizer=model_info[llm_kwargs['llm_model']]['tokenizer'],
max_token_limit=(model_info[llm_kwargs['llm_model']]['max_token'])) # history至少释放二分之一
chatbot[-1] = (chatbot[-1][0], "[Local Message] Reduce the length. 本次输入过长, 或历史数据过长. 历史缓存数据已部分释放, 您可以请再次尝试. (若再次失败则更可能是因为输入过长.)")
elif "does not exist" in error_msg:
chatbot[-1] = (chatbot[-1][0], f"[Local Message] Model {llm_kwargs['llm_model']} does not exist. 模型不存在, 或者您没有获得体验资格.")
elif "Incorrect API key" in error_msg:
chatbot[-1] = (chatbot[-1][0], "[Local Message] Incorrect API key. OpenAI以提供了不正确的API_KEY为由, 拒绝服务. " + openai_website); report_invalid_key(api_key)
elif "exceeded your current quota" in error_msg:
chatbot[-1] = (chatbot[-1][0], "[Local Message] You exceeded your current quota. OpenAI以账户额度不足为由, 拒绝服务." + openai_website); report_invalid_key(api_key)
elif "account is not active" in error_msg:
chatbot[-1] = (chatbot[-1][0], "[Local Message] Your account is not active. OpenAI以账户失效为由, 拒绝服务." + openai_website); report_invalid_key(api_key)
elif "associated with a deactivated account" in error_msg:
chatbot[-1] = (chatbot[-1][0], "[Local Message] You are associated with a deactivated account. OpenAI以账户失效为由, 拒绝服务." + openai_website); report_invalid_key(api_key)
elif "API key has been deactivated" in error_msg:
chatbot[-1] = (chatbot[-1][0], "[Local Message] API key has been deactivated. OpenAI以账户失效为由, 拒绝服务." + openai_website); report_invalid_key(api_key)
elif "bad forward key" in error_msg:
chatbot[-1] = (chatbot[-1][0], "[Local Message] Bad forward key. API2D账户额度不足.")
elif "Not enough point" in error_msg:
chatbot[-1] = (chatbot[-1][0], "[Local Message] Not enough point. API2D账户点数不足.")
else:
from toolbox import regular_txt_to_markdown
tb_str = '```\n' + trimmed_format_exc() + '```'
chatbot[-1] = (chatbot[-1][0], f"[Local Message] 异常 \n\n{tb_str} \n\n{regular_txt_to_markdown(chunk_decoded)}")
return chatbot, history
def generate_payload(inputs, llm_kwargs, history, system_prompt, image_paths):
"""
整合所有信息，选择LLM模型，生成http请求，为发送请求做准备
"""
if not is_any_api_key(llm_kwargs['api_key']):
raise AssertionError("你提供了错误的API_KEY。\n\n1. 临时解决方案：直接在输入区键入api_key，然后回车提交。\n\n2. 长效解决方案：在config.py中配置。")
api_key = select_api_key(llm_kwargs['api_key'], llm_kwargs['llm_model'])
headers = {
"Content-Type": "application/json",
"Authorization": f"Bearer {api_key}"
}
if API_ORG.startswith('org-'): headers.update({"OpenAI-Organization": API_ORG})
if llm_kwargs['llm_model'].startswith('azure-'):
headers.update({"api-key": api_key})
if llm_kwargs['llm_model'] in AZURE_CFG_ARRAY.keys():
azure_api_key_unshared = AZURE_CFG_ARRAY[llm_kwargs['llm_model']]["AZURE_API_KEY"]
headers.update({"api-key": azure_api_key_unshared})
base64_images = []
for image_path in image_paths:
base64_images.append(encode_image(image_path))
messages = []
what_i_ask_now = {}
what_i_ask_now["role"] = "user"
what_i_ask_now["content"] = []
what_i_ask_now["content"].append({
"type": "text",
"text": inputs
})
for image_path, base64_image in zip(image_paths, base64_images):
what_i_ask_now["content"].append({
"type": "image_url",
"image_url": {
"url": f"data:image/jpeg;base64,{base64_image}"
}
})
messages.append(what_i_ask_now)
model = llm_kwargs['llm_model']
if llm_kwargs['llm_model'].startswith('api2d-'):
model = llm_kwargs['llm_model'][len('api2d-'):]
payload = {
"model": model,
"messages": messages,
"temperature": llm_kwargs['temperature'], # 1.0,
"top_p": llm_kwargs['top_p'], # 1.0,
"n": 1,
"stream": True,
"max_tokens": get_max_token(llm_kwargs),
"presence_penalty": 0,
"frequency_penalty": 0,
}
try:
print(f" {llm_kwargs['llm_model']} : {inputs[:100]} ..........")
except:
print('输入中可能存在乱码。')
return headers, payload, api_key