State in Context

1from kern.agent import Agent
2from kern.db.sqlite import SqliteDb
3from kern.models.openai import OpenAIResponses
4
5db = SqliteDb(db_file="tmp/agent.db")
6
7agent = Agent(
8    model=OpenAIResponses(id="gpt-5.2"),
9    instructions="Users name is {user_name} and age is {age}",
10    db=db,
11)
12
13# Sets the session state for the session with the id "user_1_session_1"
14agent.print_response(
15    "What is my name?",
16    session_id="user_1_session_1",
17    user_id="user_1",
18    session_state={"user_name": "John", "age": 30},
19    stream=True,
20)
21
22# Will load the session state from the session with the id "user_1_session_1"
23agent.print_response("How old am I?", session_id="user_1_session_1", user_id="user_1", stream=True)
24
25# Sets the session state for the session with the id "user_2_session_1"
26agent.print_response(
27    "What is my name?",
28    session_id="user_2_session_1",
29    user_id="user_2",
30    session_state={"user_name": "Jane", "age": 25},
31    stream=True,
32)
33
34# Will load the session state from the session with the id "user_2_session_1"
35agent.print_response("How old am I?", session_id="user_2_session_1", user_id="user_2", stream=True)

1uv pip install -U kern-ai openai

1python session_state_in_context.py