Random User Data Generator with Pydantic

This function generates a specified number of random user data using FastAPI's Pydantic library, including user ID, name, age, and email address.

Technology Stack : FastAPI, Pydantic

Code Type : Generate random user data

Code Difficulty : Intermediate

                
                    
def random_user_data(num_users):
    from random import randint, choice
    from pydantic import BaseModel, Field

    class User(BaseModel):
        id: int = Field(..., alias='_id')
        name: str = Field(..., min_length=2, max_length=50)
        age: int = Field(..., ge=0, le=120)
        email: str = Field(..., regex=r"^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$")

    users = [User(
        id=randint(1, 1000),
        name=f"User{randint(1, 1000)}",
        age=randint(18, 70),
        email=f"user{randint(1, 1000)}@example.com"
    ) for _ in range(num_users)]
    return users