Status codes

from fastrapi import FastrAPI
from fastrapi.status import HTTP_201_CREATED, HTTP_404_NOT_FOUND

app = FastrAPI()

@app.post("/users", status_code=HTTP_201_CREATED)
def create_user():
    return {"id": 1, "name": "John"}

from fastrapi import FastrAPI
from fastrapi.status import (
    HTTP_200_OK,
    HTTP_201_CREATED,
    HTTP_204_NO_CONTENT,
    HTTP_400_BAD_REQUEST,
    HTTP_404_NOT_FOUND,
)

app = FastrAPI()

@app.post("/users", status_code=HTTP_201_CREATED)
def create_user(name: str):
    return {"id": 1, "name": name}

@app.delete("/users/{user_id}", status_code=HTTP_204_NO_CONTENT)
def delete_user(user_id: int):
    # Delete logic here
    return None

from fastrapi import HTTPException
from fastrapi.status import HTTP_404_NOT_FOUND, HTTP_403_FORBIDDEN

@app.get("/users/{user_id}")
def get_user(user_id: int):
    if user_id not in users:
        raise HTTPException(
            status_code=HTTP_404_NOT_FOUND,
            detail="User not found"
        )
    return users[user_id]

@app.delete("/admin/users/{user_id}")
def delete_user_admin(user_id: int, is_admin: bool):
    if not is_admin:
        raise HTTPException(
            status_code=HTTP_403_FORBIDDEN,
            detail="Admin access required"
        )
    # Delete logic

from fastrapi.status import WS_1000_NORMAL_CLOSURE, WS_1008_POLICY_VIOLATION

@app.websocket("/ws")
async def websocket_endpoint(ws):
    await ws.accept()
    
    try:
        data = await ws.receive_text()
        
        if is_spam(data):
            await ws.close(WS_1008_POLICY_VIOLATION)
            return
        
        # Process data...
        
        await ws.close(WS_1000_NORMAL_CLOSURE)
    except Exception:
        await ws.close(WS_1011_INTERNAL_ERROR)

from fastrapi import FastrAPI, HTTPException
from fastrapi.status import (
    HTTP_200_OK,
    HTTP_201_CREATED,
    HTTP_204_NO_CONTENT,
    HTTP_404_NOT_FOUND,
    HTTP_422_UNPROCESSABLE_CONTENT,
)

app = FastrAPI()

@app.get("/items", status_code=HTTP_200_OK)
def list_items():
    return {"items": []}

@app.post("/items", status_code=HTTP_201_CREATED)
def create_item(name: str):
    if not name:
        raise HTTPException(
            status_code=HTTP_422_UNPROCESSABLE_CONTENT,
            detail="Name is required"
        )
    return {"id": 1, "name": name}

@app.get("/items/{item_id}", status_code=HTTP_200_OK)
def get_item(item_id: int):
    item = find_item(item_id)
    if not item:
        raise HTTPException(
            status_code=HTTP_404_NOT_FOUND,
            detail="Item not found"
        )
    return item

@app.delete("/items/{item_id}", status_code=HTTP_204_NO_CONTENT)
def delete_item(item_id: int):
    deleted = remove_item(item_id)
    if not deleted:
        raise HTTPException(
            status_code=HTTP_404_NOT_FOUND,
            detail="Item not found"
        )
    return None