Basic Streaming Agent

Code

1from typing import Iterator  # noqa
2from kern.agent import Agent, RunOutput  # noqa
3from kern.models.langdb import LangDB
4
5agent = Agent(
6    model=LangDB(id="llama3-1-70b-instruct-v1.0"),
7    markdown=True,
8)
9
10# Get the response in a variable
11# run_response: Iterator[RunOutputEvent] = agent.run("Share a 2 sentence horror story", stream=True)
12# for chunk in run_response:
13#     print(chunk.content)
14
15# Print the response in the terminal
16agent.print_response("Share a 2 sentence horror story", stream=True)

Usage

Set up your virtual environment

1uv venv --python 3.12
2source .venv/bin/activate

1uv venv --python 3.12
2.venv\Scripts\activate

Set your API key

1export LANGDB_API_KEY=xxx
2export LANGDB_PROJECT_ID=xxx

Install dependencies

1uv pip install -U openai kern-ai

Run Agent

1python cookbook/11_models/langdb/basic_stream.py