Delete app.py
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app.py
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import gradio as gr
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from sentence_transformers import SentenceTransformer
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import chromadb
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import pandas as pd
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import os
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import json
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from pathlib import Path
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# Load the sentence transformer model
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model = SentenceTransformer('all-MiniLM-L6-v2')
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# Initialize the ChromaDB client
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chroma_client = chromadb.Client()
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# Function to build the database from CSV
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def build_database():
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# Read the CSV file
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df = pd.read_csv('collection_data.csv')
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# Create a collection
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collection_name = 'Dataset-10k-companies'
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# Delete the existing collection if it exists
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# chroma_client.delete_collection(name=collection_name)
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# Create a new collection
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collection = chroma_client.create_collection(name=collection_name)
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# Add the data from the DataFrame to the collection
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collection.add(
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documents=df['documents'].tolist(),
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ids=df['ids'].tolist(),
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metadatas=df['metadatas'].apply(eval).tolist(),
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embeddings=df['embeddings'].apply(lambda x: eval(x.replace(',,', ','))).tolist()
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)
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return collection
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# Build the database when the app starts
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collection = build_database()
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# Instantiate the Anyscale client
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client = Anyscale(api_key=anyscale_api_key, model="meta-llama/Llama-2-70b-chat-hf")
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# Function to get relevant chunks
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def get_relevant_chunks(query, collection, top_n=3):
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query_embedding = model.encode(query).tolist()
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results = collection.query(query_embeddings=[query_embedding], n_results=top_n)
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relevant_chunks = []
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for i in range(len(results['documents'][0])):
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chunk = results['documents'][0][i]
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source = results['metadatas'][0][i]['source']
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page = results['metadatas'][0][i]['page']
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relevant_chunks.append((chunk, source, page))
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return relevant_chunks
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# Define system message for LLM
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qna_system_message = """
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You are an assistant to Finsights analysts. Your task is to provide relevant information about the financial performance of the companies followed by Finsights.
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User input will include the necessary context for you to answer their questions. This context will begin with the token: ###Context.
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The context contains references to specific portions of documents relevant to the user's query, along with source links.
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The source for a context will begin with the token: ###Source.
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When crafting your response:
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1. Select only the context relevant to answer the question.
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2. Include the source links in your response.
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3. User questions will begin with the token: ###Question.
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4. If the question is irrelevant to Finsights, respond with: "I am an assistant for Finsight Docs. I can only help you with questions related to Finsights."
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Adhere to the following guidelines:
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- Your response should only address the question asked and nothing else.
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- Answer only using the context provided.
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- Do not mention anything about the context in your final answer.
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- If the answer is not found in the context, respond with: "I don't know."
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- Always quote the source when you use the context. Cite the relevant source at the end of your response under the section - Source:
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- Do not make up sources. Use only the links provided in the sources section of the context. You are prohibited from providing other links/sources.
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Here is an example of how to structure your response:
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Answer:
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[Answer]
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Source:
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[Source]
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"""
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# Create a user message template
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qna_user_message_template = """
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###Context
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Here are some documents and their source links that are relevant to the question mentioned below.
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{context}
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###Question
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{question}
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"""
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# Function to get LLM response
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def get_llm_response(prompt, max_attempts=3):
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full_response = ""
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for attempt in range(max_attempts):
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try:
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response = client.complete(prompt, max_tokens=1000) # Increase max_tokens if possible
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chunk = response.text.strip()
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full_response += chunk
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if chunk.endswith((".", "!", "?")): # Check if response seems complete
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break
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else:
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prompt = "Please continue from where you left off:\n" + chunk[-100:] # Use the last 100 chars as context
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except Exception as e:
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print(f"Attempt {attempt + 1} failed with error: {e}")
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return full_response
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# Prediction function
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def predict(company, user_query):
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try:
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# Modify the query to include the company name
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modified_query = f"{user_query} for {company}"
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# Get relevant chunks
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relevant_chunks = get_relevant_chunks(modified_query, collection)
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# Prepare the context string
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context = ""
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for chunk, source, page in relevant_chunks:
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context += chunk + "\n"
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context += f"###Source {source}, Page {page}\n"
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# Prepare the user message
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user_message = qna_user_message_template.format(context=context, question=user_query)
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# Craft the prompt to pass to the Llama model
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prompt = f"{qna_system_message}\n\n{qna_user_message_template.format(context=context, question=user_query)}"
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# Generate the response using the Llama model through Anyscale
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answer = get_llm_response(prompt)
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# Extract the generated response
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# answer = response.text.strip()
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# Log the interaction
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log_interaction(company, user_query, context, answer)
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return answer
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except Exception as e:
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return f"An error occurred: {str(e)}"
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# Function to log interactions
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def log_interaction(company, user_query, context, answer):
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log_file = Path("interaction_log.jsonl")
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with log_file.open("a") as f:
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json.dump({
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'company': company,
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'user_query': user_query,
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'context': context,
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'answer': answer
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}, f)
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f.write("\n")
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# Create Gradio interface
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company_list = ["MSFT", "AWS", "Meta", "Google", "IBM"]
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iface = gr.Interface(
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fn=predict,
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inputs=[
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gr.Radio(company_list, label="Select Company"),
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gr.Textbox(lines=2, placeholder="Enter your query here...", label="User Query")
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],
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outputs=gr.Textbox(label="Generated Answer"),
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title="Company Reports Q&A",
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description="Query the vector database and get an LLM response based on the documents in the collection."
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)
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# Launch the interface
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iface.launch()
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