Merge pull request #758 from hfyydd/feature/add-new-llm

add deepseek to support

src/vanna/deepseek/__init__.py

@@ -0,0 +1 @@
+from .deepseek_chat import DeepSeekChat

src/vanna/deepseek/deepseek_chat.py

@@ -0,0 +1,60 @@
+import os
+
+from openai import OpenAI
+
+from ..base import VannaBase
+
+
+
+# from vanna.chromadb import ChromaDB_VectorStore
+
+# class DeepSeekVanna(ChromaDB_VectorStore, DeepSeekChat):
+#     def __init__(self, config=None):
+#         ChromaDB_VectorStore.__init__(self, config=config)
+#         DeepSeekChat.__init__(self, config=config)
+
+# vn = DeepSeekVanna(config={"api_key": "sk-************", "model": "deepseek-chat"})
+
+
+class DeepSeekChat(VannaBase):
+    def __init__(self, config=None):
+        if config is None:
+            raise ValueError(
+                "For DeepSeek, config must be provided with an api_key and model"
+            )
+        if "api_key" not in config:
+            raise ValueError("config must contain a DeepSeek api_key")
+
+        if "model" not in config:
+            raise ValueError("config must contain a DeepSeek model")
+
+        api_key = config["api_key"]
+        model = config["model"]
+        self.model = model
+        self.client = OpenAI(api_key=api_key, base_url="https://api.deepseek.com/v1")
+
+    def system_message(self, message: str) -> any:
+        return {"role": "system", "content": message}
+
+    def user_message(self, message: str) -> any:
+        return {"role": "user", "content": message}
+
+    def assistant_message(self, message: str) -> any:
+        return {"role": "assistant", "content": message}
+
+    def generate_sql(self, question: str, **kwargs) -> str:
+        # 使用父类的 generate_sql
+        sql = super().generate_sql(question, **kwargs)
+
+        # 替换 "\_" 为 "_"
+        sql = sql.replace("\\_", "_")
+
+        return sql
+
+    def submit_prompt(self, prompt, **kwargs) -> str:
+        chat_response = self.client.chat.completions.create(
+            model=self.model,
+            messages=prompt,
+        )
+
+        return chat_response.choices[0].message.content