metadata_resolution.py
"""
Metadata Resolution
=============================
Demonstrates the three-layer metadata resolution for Teams:
team.metadata < session.metadata < call-site metadata
Session-stored metadata overrides team defaults, and call-site
metadata overrides both. This works for both sync and async runs.
"""
import asyncio
import time
from agno.agent import Agent
from agno.db.in_memory import InMemoryDb
from agno.models.openai import OpenAIResponses
from agno.session.team import TeamSession
from agno.team import Team
# ---------------------------------------------------------------------------
# Setup
# ---------------------------------------------------------------------------
db = InMemoryDb()
# Pre-seed a session with metadata (simulates a returning user)
session = TeamSession(
session_id="demo-session",
team_id="metadata-demo-team",
metadata={
"user_tier": "premium", # Will override team's "free"
"session_pref": "dark_mode", # Session-only key
},
created_at=int(time.time()),
)
db.upsert_session(session)
# ---------------------------------------------------------------------------
# Create Members
# ---------------------------------------------------------------------------
helper_agent = Agent(name="helper", model=OpenAIResponses(id="gpt-5-mini"))
# ---------------------------------------------------------------------------
# Create Team
# ---------------------------------------------------------------------------
team = Team(
id="metadata-demo-team",
members=[helper_agent],
model=OpenAIResponses(id="gpt-5-mini"),
db=db,
metadata={
"user_tier": "free", # Will be overridden by session
"team_env": "production", # Team-only key
},
)
# ---------------------------------------------------------------------------
# Run Team
# ---------------------------------------------------------------------------
async def run_async_demo() -> None:
print("\n=== Async run with call-site override ===")
result = await team.arun(
input="Say 'async test'",
metadata={"user_tier": "vip"},
)
print(f"Metadata: {result.metadata}")
print(f" user_tier = '{result.metadata['user_tier']}' (call-site wins)")
print(f" team_env = '{result.metadata['team_env']}' (from team)")
if __name__ == "__main__":
# Session metadata overrides team metadata
print("=== Session overrides team (sync) ===")
result1 = team.run(input="Say 'test1'", session_id="demo-session")
print(f"Metadata: {result1.metadata}")
print(f" user_tier = '{result1.metadata['user_tier']}' (session wins over team)")
# Call-site metadata overrides both
print("\n=== Call-site overrides all (sync) ===")
result2 = team.run(
input="Say 'test2'",
session_id="demo-session",
metadata={"user_tier": "enterprise", "request_id": "req-123"},
)
print(f"Metadata: {result2.metadata}")
print(f" user_tier = '{result2.metadata['user_tier']}' (call-site wins)")
# Async run
asyncio.run(run_async_demo())
# New session uses team defaults
print("\n=== New session uses team defaults ===")
result4 = team.run(input="Say 'test4'", session_id="new-session")
print(f"Metadata: {result4.metadata}")
print(f" user_tier = '{result4.metadata['user_tier']}' (team default)")
print("\n" + "=" * 50)
print("Resolution order: team < session < call-site")
print("=" * 50)
Run the Example
1
Set up your virtual environment
uv venv --python 3.12
source .venv/bin/activate
uv venv --python 3.12
.venv\Scripts\activate
2
Install dependencies
uv pip install -U agno openai
3
Export your OpenAI API key
export OPENAI_API_KEY="your_openai_api_key_here"
$Env:OPENAI_API_KEY="your_openai_api_key_here"
4
Run the example
Save the code above as
metadata_resolution.py, then run:python metadata_resolution.py