feat(model): Support new zhipuai SDK (#1592)

Co-authored-by: yyhhyy <yyhhyyyyyy@qq.com>
Co-authored-by: Fangyin Cheng <staneyffer@gmail.com>

dbgpt/model/proxy/llms/zhipu.py

@@ -1,3 +1,4 @@
+import os
 from concurrent.futures import Executor
 from typing import Iterator, Optional
 
@@ -37,23 +38,37 @@ class ZhipuLLMClient(ProxyLLMClient):
         self,
         model: Optional[str] = None,
         api_key: Optional[str] = None,
+        api_base: Optional[str] = None,
         model_alias: Optional[str] = "zhipu_proxyllm",
         context_length: Optional[int] = 8192,
         executor: Optional[Executor] = None,
     ):
         try:
-            import zhipuai
+            from zhipuai import ZhipuAI
 
         except ImportError as exc:
-            raise ValueError(
-                "Could not import python package: zhipuai "
-                "Please install dashscope by command `pip install zhipuai"
-            ) from exc
+            if (
+                "No module named" in str(exc)
+                or "cannot find module" in str(exc).lower()
+            ):
+                raise ValueError(
+                    "The python package 'zhipuai' is not installed. "
+                    "Please install it by running `pip install zhipuai`."
+                ) from exc
+            else:
+                raise ValueError(
+                    "Could not import python package: zhipuai "
+                    "This may be due to a version that is too low. "
+                    "Please upgrade the zhipuai package by running `pip install --upgrade zhipuai`."
+                ) from exc
         if not model:
             model = CHATGLM_DEFAULT_MODEL
-        if api_key:
-            zhipuai.api_key = api_key
+        if not api_key:
+            # Compatible with DB-GPT's config
+            api_key = os.getenv("ZHIPU_PROXY_API_KEY")
+
         self._model = model
+        self.client = ZhipuAI(api_key=api_key, base_url=api_base)
 
         super().__init__(
             model_names=[model, model_alias],
@@ -84,7 +99,6 @@ class ZhipuLLMClient(ProxyLLMClient):
         request: ModelRequest,
         message_converter: Optional[MessageConverter] = None,
     ) -> Iterator[ModelOutput]:
-        import zhipuai
 
         request = self.local_covert_message(request, message_converter)
 
@@ -92,18 +106,18 @@ class ZhipuLLMClient(ProxyLLMClient):
 
         model = request.model or self._model
         try:
-            res = zhipuai.model_api.sse_invoke(
+            response = self.client.chat.completions.create(
                 model=model,
-                prompt=messages,
+                messages=messages,
                 temperature=request.temperature,
                 # top_p=params.get("top_p"),
-                incremental=False,
+                stream=True,
             )
-            for r in res.events():
-                if r.event == "add":
-                    yield ModelOutput(text=r.data, error_code=0)
-                elif r.event == "error":
-                    yield ModelOutput(text=r.data, error_code=1)
+            partial_text = ""
+            for chunk in response:
+                delta_content = chunk.choices[0].delta.content
+                partial_text += delta_content
+                yield ModelOutput(text=partial_text, error_code=0)
         except Exception as e:
             return ModelOutput(
                 text=f"**LLMServer Generate Error, Please CheckErrorInfo.**: {e}",