aggiunto file tools.py dove vengono definiti i tools messi a disposizione dell'agent

tools.py

@@ -0,0 +1,24 @@
+# DuckDuckGo
+from langchain_community.tools import DuckDuckGoSearchRun
+# Wikipedia tool components
+from langchain_community.utilities import WikipediaAPIWrapper
+from langchain_community.tools import WikipediaQueryRun
+
+from langchain.tools import Tool
+
+
+def get_search_tool():
+
+    search_tool = DuckDuckGoSearchRun()
+
+    return search_tool
+
+def get_wikipedia_tool():
+
+    # creates an instance of the Wikipedia API wrapper. top_k_results=1 means it will only fetch the top result from Wikipedia
+    wikipedia_api_wrapper = WikipediaAPIWrapper(top_k_results=1)
+
+    # converts the WikipediaAPIWrapper into a LangChain tool.
+    wikipedia_tool = WikipediaQueryRun(api_wrapper=wikipedia_api_wrapper)
+
+    return wikipedia_tool