Define A Style

import instructor
from pydantic import BaseModel
import openai


class Email(BaseModel):
    subject: str
    message: str


client = instructor.from_openai(openai.OpenAI())


def generate_email(subject, to, sender, tone):
    return client.chat.completions.create(
        model="gpt-4o",
        messages=[
            {
                "role": "user",
                "content": f"""
                Write an email about {subject} to {to} from {sender}.
                The email should be {tone}.
                """,
            }
        ],
        response_model=Email,
    )


if __name__ == "__main__":
    email = generate_email(
        subject="invitation to all-hands on Monday at 6pm",
        to="John Smith",
        sender="Jane Doe",
        tone="formal",
    )

    print(email.subject)
    #> Invitation to All-Hands Meeting
    print(email.message)
    """
    Dear Mr. Smith,

    I hope this message finds you well. I am writing to formally invite you to our upcoming all-hands meeting scheduled for Monday at 6:00 PM. This meeting is an important opportunity for us to come together, discuss key updates, and align on our strategic goals.

    Please confirm your availability at your earliest convenience. Your presence and contributions to the discussion would be greatly valued.

    Thank you and I look forward to your confirmation.

    Warm regards,

    Jane Doe
    """