Merge pull request #65 from ks6088ts-labs/feature/issue-64_add-tools

support bing search via LangChain tool

Author: ks6088ts

docs/README.md

@@ -10,6 +10,8 @@
 - [LangChain > Azure OpenAI](https://python.langchain.com/v0.1/docs/integrations/llms/azure_openai/)
 - [Get started with LangSmith](https://docs.smith.langchain.com/)
 - [Add message history (memory) > In-memory](https://python.langchain.com/v0.1/docs/expression_language/how_to/message_history/#in-memory)
+- [Tool calling agent](https://python.langchain.com/v0.1/docs/modules/agents/agent_types/tool_calling/)
+- [LangChain > Tools > Bing Search](https://python.langchain.com/v0.1/docs/integrations/tools/bing_search/)
 
 ## Backend
 

frontend.env.sample

@@ -6,3 +6,6 @@ AZURE_OPENAI_GPT_MODEL = "gpt-4o"
 
 LANGCHAIN_TRACING_V2 = "true"
 LANGCHAIN_API_KEY = "<your-api-key>"
+
+BING_SUBSCRIPTION_KEY = "<your-api-key>"
+BING_SEARCH_URL = "https://api.bing.microsoft.com/v7.0/search"

frontend/solutions/chat_langchain.py

@@ -22,6 +22,15 @@ def get_session_history(session_id: str) -> BaseChatMessageHistory:
     return store[session_id]
 
 
+def run_bing_search(
+    query: str,
+    k=1,
+) -> str:
+    from langchain_community.utilities import BingSearchAPIWrapper
+
+    return BingSearchAPIWrapper(k=k).run(query=query)
+
+
 def start(
     backend_url: str,
     log_level: int,