Code
cookbook/models/ollama/structured_output.py
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from typing import List
from agno.agent import Agent, RunOutput # noqa
from agno.models.ollama import Ollama
from pydantic import BaseModel, Field
from rich.pretty import pprint # noqa
class MovieScript(BaseModel):
name: str = Field(..., description="Give a name to this movie")
setting: str = Field(
..., description="Provide a nice setting for a blockbuster movie."
)
ending: str = Field(
...,
description="Ending of the movie. If not available, provide a happy ending.",
)
genre: str = Field(
...,
description="Genre of the movie. If not available, select action, thriller or romantic comedy.",
)
characters: List[str] = Field(..., description="Name of characters for this movie.")
storyline: str = Field(
..., description="3 sentence storyline for the movie. Make it exciting!"
)
# Agent that returns a structured output
structured_output_agent = Agent(
model=Ollama(id="llama3.2"),
description="You write movie scripts.",
output_schema=MovieScript,
)
# Get the response in a variable
# json_mode_response: RunOutput = json_mode_agent.run("New York")
# pprint(json_mode_response.content)
# structured_output_response: RunOutput = structured_output_agent.run("New York")
# pprint(structured_output_response.content)
# Run the agent
structured_output_agent.print_response("New York")
Usage
1
Create a virtual environment
Open the
Terminal
and create a python virtual environment.Copy
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python3 -m venv .venv
source .venv/bin/activate
2
Install Ollama
Follow the Ollama installation guide and run:
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ollama pull llama3.2
3
Install libraries
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pip install -U ollama agno
4
Run Agent
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python cookbook/models/ollama/structured_output.py