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Update tools.py
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tools.py
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from langchain_core.tools import tool
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import pinecone
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from langchain_google_genai import GoogleGenerativeAIEmbeddings
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import os
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from dotenv import load_dotenv
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load_dotenv()
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GOOGLE_API_KEY = os.getenv("GEMINI_API_KEY")
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PINECONE_API = os.getenv("PINECONE_API_KEY")
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google_embeddings = GoogleGenerativeAIEmbeddings(
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model="models/embedding-001", # Correct model name
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google_api_key=GOOGLE_API_KEY
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)
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pc = pinecone.Pinecone(
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api_key=PINECONE_API
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)
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PINECONE_INDEX = "rites-pdf"
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index = pc.Index(PINECONE_INDEX)
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@tool
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def get_context(query: str) -> str:
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"""
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Retrieve context information by performing a semantic search on indexed document chunks.
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This tool embeds the provided user query using a Google Generative AI embeddings model,
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then queries a Pinecone index to fetch the top 10 matching document chunks. Each match
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includes metadata such as the text chunk, starting page, ending page, and the source PDF URL.
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The function aggregates these details into a formatted string.
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Args:
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query (str): A user query search string used for semantic matching against the document index.
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Returns:
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str: A formatted string containing the matched document chunks along with their associated metadata,
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including start page, end page, and PDF URL.
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"""
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embedding = google_embeddings.embed_query(query)
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search_results = index.query(
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vector=embedding,
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top_k=
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include_metadata=True
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)
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context = " "
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count = 1
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for match in search_results["matches"]:
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chunk = match["metadata"].get("chunk")
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url = match["metadata"].get("pdf_url")
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start_page = match["metadata"].get("start_page")
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end_page = match["metadata"].get("end_page")
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context += f"""
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Chunk {count}:
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{chunk}
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start_page: {start_page}
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end_page: {end_page}
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pdf_url: {url}
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#########################################
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"""
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count += 1
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return context
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from langchain_core.tools import tool
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import pinecone
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from langchain_google_genai import GoogleGenerativeAIEmbeddings
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import os
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from dotenv import load_dotenv
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load_dotenv()
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GOOGLE_API_KEY = os.getenv("GEMINI_API_KEY")
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PINECONE_API = os.getenv("PINECONE_API_KEY")
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google_embeddings = GoogleGenerativeAIEmbeddings(
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model="models/embedding-001", # Correct model name
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google_api_key=GOOGLE_API_KEY
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)
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pc = pinecone.Pinecone(
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api_key=PINECONE_API
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)
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PINECONE_INDEX = "rites-pdf"
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index = pc.Index(PINECONE_INDEX)
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@tool
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def get_context(query: str) -> str:
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"""
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Retrieve context information by performing a semantic search on indexed document chunks.
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This tool embeds the provided user query using a Google Generative AI embeddings model,
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then queries a Pinecone index to fetch the top 10 matching document chunks. Each match
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includes metadata such as the text chunk, starting page, ending page, and the source PDF URL.
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The function aggregates these details into a formatted string.
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Args:
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query (str): A user query search string used for semantic matching against the document index.
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Returns:
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str: A formatted string containing the matched document chunks along with their associated metadata,
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including start page, end page, and PDF URL.
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"""
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embedding = google_embeddings.embed_query(query)
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search_results = index.query(
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vector=embedding,
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top_k=20, # Retrieve top 10 results
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include_metadata=True
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)
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context = " "
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count = 1
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for match in search_results["matches"]:
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chunk = match["metadata"].get("chunk")
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url = match["metadata"].get("pdf_url")
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start_page = match["metadata"].get("start_page")
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end_page = match["metadata"].get("end_page")
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context += f"""
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Chunk {count}:
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{chunk}
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start_page: {start_page}
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end_page: {end_page}
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pdf_url: {url}
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#########################################
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"""
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count += 1
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return context
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