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from typing import Optional # (1)!
from sqlmodel import Field, SQLModel, create_engine # (2)!
class Hero(SQLModel, table=True): # (3)!
id: Optional[int] = Field(default=None, primary_key=True) # (4)!
name: str # (5)!
secret_name: str # (6)!
age: Optional[int] = None # (7)!
sqlite_file_name = "database.db" # (8)!
sqlite_url = f"sqlite:///{sqlite_file_name}" # (9)!
engine = create_engine(sqlite_url, echo=True) # (10)!
def create_db_and_tables(): # (11)!
SQLModel.metadata.create_all(engine) # (12)!
if __name__ == "__main__": # (13)!
create_db_and_tables() # (14)!
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