修复代理为空的问题

server/utils.py

@@ -7,14 +7,13 @@ import asyncio
 from configs import (LLM_MODEL, LLM_DEVICE, EMBEDDING_DEVICE,
                      MODEL_PATH, MODEL_ROOT_PATH, ONLINE_LLM_MODEL,
                      logger, log_verbose,
-                    FSCHAT_MODEL_WORKERS, HTTPX_DEFAULT_TIMEOUT)
+                     FSCHAT_MODEL_WORKERS, HTTPX_DEFAULT_TIMEOUT)
 import os
 from concurrent.futures import ThreadPoolExecutor, as_completed
 from langchain.chat_models import ChatOpenAI
 import httpx
 from typing import Literal, Optional, Callable, Generator, Dict, Any, Awaitable, Union
 
-
 thread_pool = ThreadPoolExecutor(os.cpu_count())
 
 
@@ -33,12 +32,12 @@ async def wrap_done(fn: Awaitable, event: asyncio.Event):
 
 
 def get_ChatOpenAI(
-    model_name: str,
+        model_name: str,
-    temperature: float,
+        temperature: float,
-    streaming: bool = True,
+        streaming: bool = True,
-    callbacks: List[Callable] = [],
+        callbacks: List[Callable] = [],
-    verbose: bool = True,
+        verbose: bool = True,
-    **kwargs: Any,
+        **kwargs: Any,
 ) -> ChatOpenAI:
     config = get_model_worker_config(model_name)
     model = ChatOpenAI(
@@ -68,6 +67,7 @@ class BaseResponse(BaseModel):
             }
         }
 
+
 class ListResponse(BaseResponse):
     data: List[str] = pydantic.Field(..., description="List of names")
 
@@ -115,6 +115,7 @@ class ChatMessage(BaseModel):
             }
         }
 
+
 def torch_gc():
     import torch
     if torch.cuda.is_available():
@@ -126,11 +127,12 @@ def torch_gc():
             from torch.mps import empty_cache
             empty_cache()
         except Exception as e:
-            msg=("如果您使用的是 macOS 建议将 pytorch 版本升级至 2.0.0 或更高版本，"
+            msg = ("如果您使用的是 macOS 建议将 pytorch 版本升级至 2.0.0 或更高版本，"
-                 "以支持及时清理 torch 产生的内存占用。")
+                   "以支持及时清理 torch 产生的内存占用。")
             logger.error(f'{e.__class__.__name__}: {msg}',
                          exc_info=e if log_verbose else None)
 
+
 def run_async(cor):
     '''
     在同步环境中运行异步代码.
@@ -147,12 +149,14 @@ def iter_over_async(ait, loop):
     将异步生成器封装成同步生成器.
     '''
     ait = ait.__aiter__()
+
     async def get_next():
         try:
             obj = await ait.__anext__()
             return False, obj
         except StopAsyncIteration:
             return True, None
+
     while True:
         done, obj = loop.run_until_complete(get_next())
         if done:
@@ -161,11 +165,11 @@ def iter_over_async(ait, loop):
 
 
 def MakeFastAPIOffline(
-    app: FastAPI,
+        app: FastAPI,
-    static_dir = Path(__file__).parent / "static",
+        static_dir=Path(__file__).parent / "static",
-    static_url = "/static-offline-docs",
+        static_url="/static-offline-docs",
-    docs_url: Optional[str] = "/docs",
+        docs_url: Optional[str] = "/docs",
-    redoc_url: Optional[str] = "/redoc",
+        redoc_url: Optional[str] = "/redoc",
 ) -> None:
     """patch the FastAPI obj that doesn't rely on CDN for the documentation page"""
     from fastapi import Request
@@ -245,6 +249,7 @@ def list_embed_models() -> List[str]:
     '''
     return list(MODEL_PATH["embed_model"])
 
+
 def list_llm_models() -> Dict[str, List[str]]:
     '''
     get names of configured llm models with different types.
@@ -268,23 +273,23 @@ def get_model_path(model_name: str, type: str = None) -> Optional[str]:
         for v in MODEL_PATH.values():
             paths.update(v)
 
-    if path_str := paths.get(model_name): # 以 "chatglm-6b": "THUDM/chatglm-6b-new" 为例，以下都是支持的路径
+    if path_str := paths.get(model_name):  # 以 "chatglm-6b": "THUDM/chatglm-6b-new" 为例，以下都是支持的路径
         path = Path(path_str)
-        if path.is_dir(): # 任意绝对路径
+        if path.is_dir():  # 任意绝对路径
             return str(path)
 
         root_path = Path(MODEL_ROOT_PATH)
         if root_path.is_dir():
             path = root_path / model_name
-            if path.is_dir(): # use key, {MODEL_ROOT_PATH}/chatglm-6b
+            if path.is_dir():  # use key, {MODEL_ROOT_PATH}/chatglm-6b
                 return str(path)
             path = root_path / path_str
-            if path.is_dir(): # use value, {MODEL_ROOT_PATH}/THUDM/chatglm-6b-new
+            if path.is_dir():  # use value, {MODEL_ROOT_PATH}/THUDM/chatglm-6b-new
                 return str(path)
             path = root_path / path_str.split("/")[-1]
-            if path.is_dir(): # use value split by "/", {MODEL_ROOT_PATH}/chatglm-6b-new
+            if path.is_dir():  # use value split by "/", {MODEL_ROOT_PATH}/chatglm-6b-new
                 return str(path)
-        return path_str # THUDM/chatglm06b
+        return path_str  # THUDM/chatglm06b
 
 
 # 从server_config中获取服务信息
@@ -372,7 +377,7 @@ def get_prompt_template(name: str) -> Optional[str]:
     '''
     from configs import prompt_config
     import importlib
-    importlib.reload(prompt_config) # TODO: 检查configs/prompt_config.py文件有修改再重新加载
+    importlib.reload(prompt_config)  # TODO: 检查configs/prompt_config.py文件有修改再重新加载
 
     return prompt_config.PROMPT_TEMPLATES.get(name)
 
@@ -380,7 +385,7 @@ def get_prompt_template(name: str) -> Optional[str]:
 def set_httpx_config(
         timeout: float = HTTPX_DEFAULT_TIMEOUT,
         proxy: Union[str, Dict] = None,
-    ):
+):
     '''
     设置httpx默认timeout。httpx默认timeout是5秒，在请求LLM回答时不够用。
     将本项目相关服务加入无代理列表，避免fastchat的服务器请求错误。(windows下无效)
@@ -400,9 +405,9 @@ def set_httpx_config(
             proxies[n + "_proxy"] = proxy
     elif isinstance(proxy, dict):
         for n in ["http", "https", "all"]:
-            if p:= proxy.get(n):
+            if p := proxy.get(n):
                 proxies[n + "_proxy"] = p
-            elif p:= proxy.get(n + "_proxy"):
+            elif p := proxy.get(n + "_proxy"):
                 proxies[n + "_proxy"] = p
 
     for k, v in proxies.items():
@@ -463,9 +468,9 @@ def embedding_device(device: str = None) -> Literal["cuda", "mps", "cpu"]:
 
 
 def run_in_thread_pool(
-    func: Callable,
+        func: Callable,
-    params: List[Dict] = [],
+        params: List[Dict] = [],
-    pool: ThreadPoolExecutor = None,
+        pool: ThreadPoolExecutor = None,
 ) -> Generator:
     '''
     在线程池中批量运行任务，并将运行结果以生成器的形式返回。
@@ -483,10 +488,10 @@ def run_in_thread_pool(
 
 
 def get_httpx_client(
-    use_async: bool = False,
+        use_async: bool = False,
-    proxies: Union[str, Dict] = None,
+        proxies: Union[str, Dict] = None,
-    timeout: float = HTTPX_DEFAULT_TIMEOUT,
+        timeout: float = HTTPX_DEFAULT_TIMEOUT,
-    **kwargs,
+        **kwargs,
 ) -> Union[httpx.Client, httpx.AsyncClient]:
     '''
     helper to get httpx client with default proxies that bypass local addesses.
@@ -508,9 +513,15 @@ def get_httpx_client(
     # get proxies from system envionrent
     # proxy not str empty string, None, False, 0, [] or {}
     default_proxies.update({
-        "http://": os.environ.get("http_proxy") if len(os.environ.get("http_proxy").strip()) > 0 else None,
+        "http://": (os.environ.get("http_proxy")
-        "https://": os.environ.get("https_proxy") if len(os.environ.get("https_proxy").strip()) > 0 else None,
+                    if os.environ.get("http_proxy") and len(os.environ.get("http_proxy").strip())
-        "all://": os.environ.get("all_proxy") if len(os.environ.get("all_proxy").strip()) > 0 else None,
+                    else None),
+        "https://": (os.environ.get("https_proxy")
+                     if os.environ.get("https_proxy") and len(os.environ.get("https_proxy").strip())
+                     else None),
+        "all://": (os.environ.get("all_proxy")
+                   if os.environ.get("all_proxy") and len(os.environ.get("all_proxy").strip())
+                   else None),
     })
     for host in os.environ.get("no_proxy", "").split(","):
         if host := host.strip():
@@ -530,4 +541,3 @@ def get_httpx_client(
         return httpx.AsyncClient(**kwargs)
     else:
         return httpx.Client(**kwargs)
-