instructor/examples/codegen-from-schema/readme.md

FastAPI Code Generator

Overview

Generates FastAPI application code from API path, task name, JSON schema path, and Jinja2 prompt template. Also creates a models.py file for Pydantic models.

Dependencies

• FastAPI
• Pydantic
• Jinja2
• datamodel-code-generator

Functions

create_app(api_path: str, task_name: str, json_schema_path: str, prompt_template: str) -> str

Main function to generate FastAPI application code.

Usage

Run the script with required parameters.

Example:

fastapi_code = create_app(
    api_path="/api/v1/extract_person",
    task_name="extract_person",
    json_schema_path="./input.json",
    prompt_template="Extract the person from the following: {{biography}}",
)

Outputs FastAPI application code to ./run.py and a Pydantic model to ./models.py.