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from langchain.tools import tool
#mathematical operations
import cmath
@tool(description="Multiplies two numbers.")
def multiply(a: float, b: float) -> float:
return a * b
@tool(description="Adds two numbers.")
def add(a: float, b: float) -> float:
return a + b
@tool(description="Subtracts two numbers.")
def subtract(a: float, b: float) -> int:
return a - b
@tool(description="Divides two numbers.")
def divide(a: float, b: float) -> float:
if b == 0:
raise ValueError("Cannot divided by zero.")
return a / b
@tool(description="Get the modulus of two numbers.")
def modulus(a: int, b: int) -> int:
return a % b
@tool(description="Get the power of two numbers.")
def power(a: float, b: float) -> float:
return a**b
@tool(description="Get the square root of a number.")
def square_root(a: float) -> float | complex:
if a >= 0:
return a**0.5
return cmath.sqrt(a)
from langchain_community.document_loaders import WikipediaLoader
@tool(description="Search Wikipedia for a query and return up to 2 results.")
def wiki_search(query: str) -> dict:
print(f"Searching Wikipedia for: {query}")
try:
# Load up to 2 documents from Wikipedia
search_docs = WikipediaLoader(query=query, load_max_docs=2).load()
# Format the output for each document
formatted_search_docs = "\n\n---\n\n".join(
[
f'<Document source="{doc.metadata.get("source", "")}" page="{doc.metadata.get("page", "")}">\n{doc.page_content}\n</Document>'
for doc in search_docs
]
)
print(f"Here are the outputs:\n{formatted_search_docs}")
return {"wiki_results": formatted_search_docs}
except Exception as e:
print(f"Error occurred: {e}")
return {"wiki_results": f"None found for {query}, use the results from the other tools or similar questions obtained earlier."}
from langchain_community.document_loaders import ArxivLoader
@tool(description="Search Arxiv for a query and return maximum 3 result.")
def arvix_search(query: str) -> str:
search_docs = ArxivLoader(query=query, load_max_docs=3).load()
formatted_search_docs = "\n\n---\n\n".join(
[
f'<Document source="{doc.metadata["source"]}" page="{doc.metadata.get("page", "")}"/>{doc.page_content[:1000]}</Document>'
for doc in search_docs
])
return {"arvix_results": formatted_search_docs}
from langchain_community.tools.tavily_search import TavilySearchResults
@tool(description="Search Tavily for a query and return maximum 3 results.")
def web_search(query: str) -> str:
search_docs = TavilySearchResults(max_results=3).invoke(query=query)
formatted_search_docs = "\n\n---\n\n".join(
[
f'<Document source="{doc.metadata["source"]}" page="{doc.metadata.get("page", "")}"/>{doc.page_content}</Document>'
for doc in search_docs
])
return {"web_results": formatted_search_docs}
from upload_metadata_n_setup_retrivers import retriever
def vector_search(query:str) -> str:
search_docs = retriever.invoke(input=query)
formatted_search_docs = "\n\n---\n\n".join(
[
f'<Document source="{doc.metadata["source"]}" page="{doc.metadata.get("page", "")}"/>{doc.page_content}</Document>'
for doc in search_docs
])
return formatted_search_docs |