FastAPI থেকে নেক্সি পর্যন্ত

from fastapi import FastAPI app = FastAPI()  @app.get("/api/hello")async def hello():    return {"message": "Hello"}

async def GET():    return {"message": "Hello"}

@app.get("/api/users/{id}")async def get_user(id: int, fields: str | None = None):    return {"id": id, "fields": fields}

async def GET(id: int, fields: str | None = None):    return {"id": id, "fields": fields}

from pydantic import BaseModel  class NewItem(BaseModel):    name: str    price: float  @app.post("/api/items", status_code=201)async def create_item(item: NewItem):    return item

from pydantic import BaseModel from nexy.http import JSONResponse  class NewItem(BaseModel):    name: str    price: float  async def POST(item: NewItem):    return JSONResponse(item.model_dump(), status_code=201)

@app.get("/api/notes/{id}")async def read_note(id: int): ...  @app.delete("/api/notes/{id}")async def delete_note(id: int): ...

async def GET(id: int):    return {"id": id}  async def DELETE(id: int):    return {"deleted": id}

from fastapi import APIRouter admin = APIRouter(prefix="/admin")  @admin.get("/stats")async def stats():    return {"users": 3}  app.include_router(admin)

async def GET():    return {"users": 3}

from fastapi import Depends, Header, HTTPException  def require_admin(x_role: str = Header(...)) -> None:    if x_role != "admin":        raise HTTPException(status_code=403, detail="Admins only")  admin = APIRouter(prefix="/admin", dependencies=[Depends(require_admin)])

from nexy.http import Header, HTTPException  def require_admin(x_role: str = Header(...)) -> None:    if x_role != "admin":        raise HTTPException(status_code=403, detail="Admins only")  dependencies = [require_admin]

from nexy.http import Depends, Header  def current_user(authorization: str = Header(...)) -> str:    return authorization.removeprefix("Bearer ")  async def GET(user: str = Depends(current_user)):    return {"user": user}

from fastapi import Request  @app.middleware("http")async def add_header(request: Request, call_next):    response = await call_next(request)    response.headers["x-app"] = "demo"    return response

from nexy.http import Request  async def middleware(request: Request, call_next):    response = await call_next(request)    response.headers["x-app"] = "demo"    return response

from fastapi.middleware.cors import CORSMiddlewarefrom fastapi.middleware.gzip import GZipMiddleware app.add_middleware(CORSMiddleware, allow_origins=["https://example.com"])app.add_middleware(GZipMiddleware, minimum_size=1000)

from nexy.core.models import NexyConfigModel  class NexyConfig(NexyConfigModel):    useCORS = {"allow_origins": ["https://example.com"]}    useGZip = {"minimum_size": 1000}

from fastapi import Requestfrom fastapi.templating import Jinja2Templates templates = Jinja2Templates(directory="templates")  @app.get("/users")async def users_page(request: Request):    users = [{"name": "Ada"}, {"name": "Alan"}]    return templates.TemplateResponse(request, "users.html", {"users": users})

---users = [{"name": "Ada"}, {"name": "Alan"}]---<ul>  {% for user in users %}  <li>{{ user.name }}</li>  {% endfor %}</ul>

<html>  <body>{% block content %}{% endblock %}</body></html>

---children: prop[NexyElement]---<!DOCTYPE html><html>  <body>{{ children | safe }}</body></html>

from fastapi.staticfiles import StaticFiles app.mount("/static", StaticFiles(directory="static"), name="static")

from fastapi import Requestfrom fastapi.responses import HTMLResponsefrom starlette.exceptions import HTTPException as StarletteHTTPException  @app.exception_handler(StarletteHTTPException)async def not_found(request: Request, exc: StarletteHTTPException):    return HTMLResponse("<h1>Not found</h1>", status_code=exc.status_code)

<h1>Not found</h1><p><a href="/">Back home</a></p>

from fastapi import WebSocket  @app.websocket("/ws/echo")async def echo(websocket: WebSocket):    await websocket.accept()    await websocket.send_text(await websocket.receive_text())

from fastapi import WebSocket  async def SOCKET(websocket: WebSocket):    await websocket.accept()    await websocket.send_text(await websocket.receive_text())

from fastapi.testclient import TestClient from main import app  def test_hello():    assert TestClient(app).get("/api/hello").json() == {"message": "Hello"}

from fastapi.testclient import TestClient from nexy.app import app  def test_hello():    assert TestClient(app).get("/api/hello").json() == {"message": "Hello"}

from nexy.core.models import NexyConfigModel from legacy.api import router  class NexyConfig(NexyConfigModel):    useRouter = router