dockstore.py

from langchain.llms import OpenAI
from langchain.docstore.wikipedia import Wikipedia
from langchain.agents.react.base import DocstoreExplorer
from langchain.agents import Tool
from langchain.agents import initialize_agent


docstore = DocstoreExplorer(Wikipedia())
tools = [
    Tool(
        name="Search",
        func=docstore.search,
        description='search wikipedia'
    ),
    Tool(
        name="Lookup",
        func=docstore.lookup,
        description='lookup a term in wikipedia'
    )
]


#intializing the agent
llm = OpenAI(temperature=0)
docstore_agent=initialize_agent(
    tools,
    llm,
    agent="react-docstore",
    verbose=True,
    max_iterations=3
)

docstore_agent("Why Emperor Napoleon abandoned his plans to invade England?")