from pydantic import BaseModel, EmailStr class UserBase(BaseModel): email: EmailStr class UserCreate(UserBase): password: str class UserResponse(UserBase): id: int is_active: bool class Config: orm_mode = True Use code with caution. crud.py Handles database queries and operations.
To get started with FastAPI, you'll need to install it using pip:
For structured growth, split your application into logical modules:
To start with FastAPI, you'll need to install it using pip: fastapi tutorial pdf
from fastapi import FastAPI, Depends, HTTPException, status from sqlalchemy.orm import Session import models, schemas, crud from database import engine, get_db models.Base.metadata.create_all(bind=engine) app = FastAPI() @app.post("/users/", response_model=schemas.UserResponse) def create_user(user: schemas.UserCreate, db: Session = Depends(get_db)): db_user = crud.get_user_by_email(db, email=user.email) if db_user: raise HTTPException(status_code=400, detail="Email already registered") return crud.create_user(db=db, user=user) Use code with caution. 8. Authentication and Security (JWT)
: http://127.0.0 (Allows testing endpoints directly from the browser)
: http://127.0.0 (Clean, structured documentation layout) 4. Path Parameters and Query Parameters FastAPI Slides Metalplant Securing endpoints with JSON Web
: A condensed guide covering REST API fundamentals, HTTP methods (CRUD), status codes, and Pydantic models for data validation. FastAPI Slides Metalplant
Securing endpoints with JSON Web Tokens (JWT) and OAuth2 password hashing is a standard requirement for production APIs. Setup and Package Installation Install the necessary cryptographic libraries: pip install python-jose[cryptography] passlib[bcrypt] Use code with caution. Implementing Token-Based Security
For those who want a single, focused document, some developers have created "mastery" guides that are structured as comprehensive PDF-like skills. One example is the "FastAPI Mastery" skill, which provides a complete guide to building production-ready REST APIs using modern Python features, automatic validation, interactive documentation, and asynchronous capabilities. It's organized by complexity level (Beginner, Intermediate, Advanced) and covers everything from basic routing to database integration, authentication, and deployment. While it may not be a downloadable PDF, its structure and content are exactly what you would expect from one. If you share with third parties
from fastapi import Header, HTTPException async def verify_token(x_token: str = Header(...)): if x_token != "super-secret-token": raise HTTPException(status_code=400, detail="X-Token header invalid") return x_token @app.get("/protected-data/", dependencies=[Depends(verify_token)]) def get_protected_data(): return "data": "This is highly secured information." Use code with caution. 8. Authentication and Security (JWT)
: The object created inside main.py with the line app = FastAPI() .
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