import asyncio
from agno.agent import Agent
from agno.knowledge.knowledge import Knowledge
from agno.utils.media import (
SampleDataFileExtension,
download_knowledge_filters_sample_data,
)
from agno.vectordb.lancedb import LanceDb
# Download all sample sales files and get their paths
downloaded_csv_paths = download_knowledge_filters_sample_data(
num_files=4, file_extension=SampleDataFileExtension.CSV
)
# Initialize LanceDB
# By default, it stores data in /tmp/lancedb
vector_db = LanceDb(
table_name="recipes",
uri="tmp/lancedb", # You can change this path to store data elsewhere
)
# Step 1: Initialize knowledge base with documents and metadata
# ------------------------------------------------------------------------------
knowledge = Knowledge(
name="CSV Knowledge Base",
description="A knowledge base for CSV files",
vector_db=vector_db,
)
# Load all documents into the vector database
asyncio.run(knowledge.add_contents_async(
[
{
"path": downloaded_csv_paths[0],
"metadata": {
"data_type": "sales",
"quarter": "Q1",
"year": 2024,
"region": "north_america",
"currency": "USD",
},
},
{
"path": downloaded_csv_paths[1],
"metadata": {
"data_type": "sales",
"year": 2024,
"region": "europe",
"currency": "EUR",
},
},
{
"path": downloaded_csv_paths[2],
"metadata": {
"data_type": "survey",
"survey_type": "customer_satisfaction",
"year": 2024,
"target_demographic": "mixed",
},
},
{
"path": downloaded_csv_paths[3],
"metadata": {
"data_type": "financial",
"sector": "technology",
"year": 2024,
"report_type": "quarterly_earnings",
},
},
]
))
# Step 2: Query the knowledge base with Agent using filters from query automatically
# -----------------------------------------------------------------------------------
# Enable agentic filtering
agent = Agent(
knowledge=knowledge,
search_knowledge=True,
enable_agentic_knowledge_filters=True,
)
agent.print_response(
"Tell me about revenue performance and top selling products in the region north_america and data_type sales",
markdown=True,
)
Install libraries
pip install -U agno lancedb openai
Set environment variables
export OPENAI_API_KEY=xxx
Run the example
python cookbook/knowledge/filters/agentic_filtering.py