Update app.py
Browse files
app.py
CHANGED
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@@ -6,6 +6,7 @@ from langchain_community.utilities import WikipediaAPIWrapper
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from langchain.agents.agent_types import AgentType
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from langchain.agents import Tool, initialize_agent
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from langchain.callbacks import StreamlitCallbackHandler
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# Set up Streamlit page configuration
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st.set_page_config(page_title="General Knowledge Assistant", page_icon="🧭")
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@@ -18,49 +19,66 @@ if not groq_api_key:
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st.info("Please add your Groq API key to continue")
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st.stop()
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# Initialize the LLM (
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llm = ChatGroq(model="meta-llama/llama-4-maverick-17b-128e-instruct", groq_api_key=groq_api_key)
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# Initialize Wikipedia tool for information retrieval
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wikipedia_wrapper = WikipediaAPIWrapper()
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wikipedia_tool = Tool(
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name="Wikipedia",
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func=wikipedia_wrapper.run,
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description=
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)
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# Prompt template for general knowledge questions
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Answer:
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"""
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# Initialize the prompt template
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prompt_template = PromptTemplate(
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input_variables=["question"],
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template=
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)
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#
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chain = LLMChain(llm=llm, prompt=prompt_template)
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# Reasoning tool for logic-based or factual questions
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reasoning_tool = Tool(
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name="Reasoning
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func=chain.run,
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description=
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)
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# Initialize the agent with the tools and LLM
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assistant_agent = initialize_agent(
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tools=[wikipedia_tool, reasoning_tool],
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llm=llm,
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agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION,
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verbose=False,
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handle_parsing_errors=True
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)
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# Initialize session state for message history if it doesn't exist
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@@ -73,23 +91,45 @@ if "messages" not in st.session_state:
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for msg in st.session_state.messages:
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st.chat_message(msg["role"]).write(msg['content'])
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# Get the user's question
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from langchain.agents.agent_types import AgentType
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from langchain.agents import Tool, initialize_agent
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from langchain.callbacks import StreamlitCallbackHandler
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import datetime # Import datetime to add current date context
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# Set up Streamlit page configuration
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st.set_page_config(page_title="General Knowledge Assistant", page_icon="🧭")
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st.info("Please add your Groq API key to continue")
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st.stop()
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# Initialize the LLM (Using the model from your original code)
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# You might consider trying 'llama3-70b-8192' if Maverick struggles with tool selection
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llm = ChatGroq(model="meta-llama/llama-4-maverick-17b-128e-instruct", groq_api_key=groq_api_key)
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# Initialize Wikipedia tool for information retrieval
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wikipedia_wrapper = WikipediaAPIWrapper(top_k_results=2, doc_content_chars_max=2000) # Limit results slightly
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wikipedia_tool = Tool(
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name="Wikipedia Search", # Renamed slightly for clarity
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func=wikipedia_wrapper.run,
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description=(
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"Use this tool to find specific information, facts, or details about people, places, events, or topics. "
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"It is especially useful for getting CURRENT and UP-TO-DATE information or checking facts that might change over time. "
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"Input should be a clear search query."
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)
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)
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# Prompt template for general knowledge questions (used by the Reasoning Tool)
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# Added a note about the current date to potentially help the LLM contextualize recency
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current_date = datetime.datetime.now().strftime("%Y-%m-%d")
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prompt_text = f"""
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You are a knowledgeable assistant. The current date is {current_date}.
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Your task is to answer the user's questions accurately using your general knowledge.
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If you are asked to write an essay, please provide a title for the essay.
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Your information should be accurate and up-to-date based on your internal knowledge cutoff.
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If you suspect your internal knowledge might be outdated for the question, mention that the information might not be the absolute latest.
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Question: {{question}}
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Answer:
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"""
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# Initialize the prompt template
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prompt_template = PromptTemplate(
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input_variables=["question"],
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template=prompt_text
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)
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# Create the LLMChain for the Reasoning tool
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chain = LLMChain(llm=llm, prompt=prompt_template)
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# Reasoning tool for logic-based or factual questions
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reasoning_tool = Tool(
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name="General Knowledge and Reasoning", # Renamed slightly for clarity
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func=chain.run,
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description=(
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"Use this tool to answer general knowledge questions, perform reasoning tasks, or explain concepts based on the AI's internal knowledge base. "
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"This tool relies on the AI's trained data, which might have a knowledge cut-off date. Do NOT use this tool if the question likely requires very recent information (use Wikipedia Search instead)."
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)
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)
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# Initialize the agent with the tools and LLM
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# Ensure verbose=False and handle_parsing_errors=True as per your original code
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assistant_agent = initialize_agent(
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tools=[wikipedia_tool, reasoning_tool],
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llm=llm,
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agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION,
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verbose=False, # Set to True temporarily if you need to debug the agent's thought process
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handle_parsing_errors=True,
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# Add max_iterations to prevent potential infinite loops if the agent gets stuck
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max_iterations=5,
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early_stopping_method="generate" # Stop generating if it thinks it's done
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)
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# Initialize session state for message history if it doesn't exist
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for msg in st.session_state.messages:
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st.chat_message(msg["role"]).write(msg['content'])
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# Get the user's question (using st.chat_input for better UI)
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if user_query := st.chat_input("Please enter your general knowledge question here"):
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# Add user message to state and display it
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st.session_state.messages.append({"role": "user", "content": user_query})
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st.chat_message("user").write(user_query)
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# Format the input for the agent - pass only the latest user query
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# Include conversation history *if* the agent type supports it well,
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# but ZERO_SHOT_REACT_DESCRIPTION primarily focuses on the latest input.
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# We will pass only the user_query for simplicity and correctness with .run()
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agent_input = user_query
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# Add context about the conversation history potentially (optional, advanced)
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# agent_input = f"Previous conversation:\n{st.session_state.messages}\n\n Current question: {user_query}"
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# Generate and display response
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with st.chat_message("assistant"):
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st_cb = StreamlitCallbackHandler(st.container(), expand_new_thoughts=False)
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# *** FIX: Pass only the user_query string to the agent's run method ***
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response = assistant_agent.run(agent_input, callbacks=[st_cb])
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st.session_state.messages.append({"role": "assistant", "content": response})
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st.write(response) # Display the final response
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# Note: Removed the text_area + button combo in favor of st.chat_input for a cleaner chat interface.
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# If you prefer the text_area and button:
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# user_question = st.text_area("Enter your question:", "Please enter your general knowledge question here", key="user_q_input")
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# if st.button("Find my answer", key="submit_q"):
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# if user_question and user_question != "Please enter your general knowledge question here":
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# # Add user message to state and display it
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# st.session_state.messages.append({"role": "user", "content": user_question})
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# st.chat_message("user").write(user_question)
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# agent_input = user_question # Use the text_area content
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# # Generate and display response
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# with st.chat_message("assistant"):
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# st_cb = StreamlitCallbackHandler(st.container(), expand_new_thoughts=False)
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# response = assistant_agent.run(agent_input, callbacks=[st_cb])
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# st.session_state.messages.append({"role": "assistant", "content": response})
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# st.write(response)
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# else:
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# st.warning("Please enter a question.")
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