Structured Output

1from typing import List
2from kern.agent import Agent, RunOutput  # noqa
3from kern.models.ollama import Ollama
4from pydantic import BaseModel, Field
5from rich.pretty import pprint  # noqa
6
7class MovieScript(BaseModel):
8    name: str = Field(..., description="Give a name to this movie")
9    setting: str = Field(
10        ..., description="Provide a nice setting for a blockbuster movie."
11    )
12    ending: str = Field(
13        ...,
14        description="Ending of the movie. If not available, provide a happy ending.",
15    )
16    genre: str = Field(
17        ...,
18        description="Genre of the movie. If not available, select action, thriller or romantic comedy.",
19    )
20    characters: List[str] = Field(..., description="Name of characters for this movie.")
21    storyline: str = Field(
22        ..., description="3 sentence storyline for the movie. Make it exciting!"
23    )
24
25# Agent that returns a structured output
26structured_output_agent = Agent(
27    model=Ollama(id="llama3.2"),
28    description="You write movie scripts.",
29    output_schema=MovieScript,
30)
31
32# Get the response in a variable
33# json_mode_response: RunOutput = json_mode_agent.run("New York")
34# pprint(json_mode_response.content)
35# structured_output_response: RunOutput = structured_output_agent.run("New York")
36# pprint(structured_output_response.content)
37
38# Run the agent
39structured_output_agent.print_response("New York")