typing - Code Search

docs/tr/docs/python-types.md

Bu tipleri ve dahili tpileri bildirmek için standart Python modülünü "typing" kullanabilirsiniz.

Bu tür tip belirteçlerini desteklemek için özel olarak mevcuttur.

#### `List`

Örneğin `str` değerlerden oluşan bir `list` tanımlayalım.

From `typing`, import `List` (büyük harf olan `L` ile):

{* ../../docs_src/python_types/tutorial006.py hl[1] *}


Değişkenin tipini yine iki nokta üstüste (`:`) ile belirleyin.

Created: Sun Dec 28 07:19:09 GMT 2025

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github.com/tiangolo/fastapi

docs_src/custom_request_and_route/tutorial001_an_py39.py

import gzip
from typing import Annotated, Callable

from fastapi import Body, FastAPI, Request, Response
from fastapi.routing import APIRoute


class GzipRequest(Request):
    async def body(self) -> bytes:
        if not hasattr(self, "_body"):
            body = await super().body()
            if "gzip" in self.headers.getlist("Content-Encoding"):
                body = gzip.decompress(body)
            self._body = body

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Wed Dec 10 08:55:32 GMT 2025

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github.com/tiangolo/fastapi

docs_src/path_operation_advanced_configuration/tutorial004_py39.py

from typing import Union

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None
    tags: set[str] = set()


@app.post("/items/", response_model=Item, summary="Create an item")
async def create_item(item: Item):
    """
    Create an item with all the information:

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Wed Dec 10 08:55:32 GMT 2025

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github.com/tiangolo/fastapi

scripts/deploy_docs_status.py

import logging
import re
from typing import Literal

from github import Auth, Github
from pydantic import BaseModel, SecretStr
from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    github_repository: str
    github_token: SecretStr
    deploy_url: str | None = None
    commit_sha: str
    run_id: int
    state: Literal["pending", "success", "error"] = "pending"


class LinkData(BaseModel):

Created: Sun Dec 28 07:19:09 GMT 2025

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github.com/tiangolo/fastapi

docs_src/body_updates/tutorial001_py39.py

from typing import Union

from fastapi import FastAPI
from fastapi.encoders import jsonable_encoder
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: Union[str, None] = None
    description: Union[str, None] = None
    price: Union[float, None] = None
    tax: float = 10.5
    tags: list[str] = []


items = {
    "foo": {"name": "Foo", "price": 50.2},

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Sat May 14 11:59:59 GMT 2022

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github.com/tiangolo/fastapi

docs_src/dependencies/tutorial014_an_py310.py

import time
from typing import Annotated

from fastapi import Depends, FastAPI, HTTPException
from fastapi.responses import StreamingResponse
from sqlmodel import Field, Session, SQLModel, create_engine

engine = create_engine("postgresql+psycopg://postgres:postgres@localhost/db")


class User(SQLModel, table=True):
    id: int | None = Field(default=None, primary_key=True)
    name: str


app = FastAPI()


def get_session():

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Mon Sep 29 03:29:38 GMT 2025

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github.com/tiangolo/fastapi

tests/test_security_scopes.py

from typing import Annotated

import pytest
from fastapi import Depends, FastAPI, Security
from fastapi.testclient import TestClient


@pytest.fixture(name="call_counter")
def call_counter_fixture():
    return {"count": 0}


@pytest.fixture(name="app")
def app_fixture(call_counter: dict[str, int]):
    def get_db():
        call_counter["count"] += 1
        return f"db_{call_counter['count']}"

Created: Sun Dec 28 07:19:09 GMT 2025

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github.com/tiangolo/fastapi

tests/test_security_scopes_dont_propagate.py

# Ref: https://github.com/tiangolo/fastapi/issues/5623

from typing import Annotated, Any

from fastapi import FastAPI, Security
from fastapi.security import SecurityScopes
from fastapi.testclient import TestClient


async def security1(scopes: SecurityScopes):
    return scopes.scopes


async def security2(scopes: SecurityScopes):
    return scopes.scopes


async def dep3(

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Wed Dec 17 21:25:59 GMT 2025

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github.com/tiangolo/fastapi

docs_src/sql_databases/tutorial002_an_py39.py

from typing import Annotated, Union

from fastapi import Depends, FastAPI, HTTPException, Query
from sqlmodel import Field, Session, SQLModel, create_engine, select


class HeroBase(SQLModel):
    name: str = Field(index=True)
    age: Union[int, None] = Field(default=None, index=True)


class Hero(HeroBase, table=True):
    id: Union[int, None] = Field(default=None, primary_key=True)
    secret_name: str


class HeroPublic(HeroBase):

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Wed Oct 09 19:44:42 GMT 2024

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github.com/tiangolo/fastapi

docs_src/websockets/tutorial002_an_py39.py

from typing import Annotated, Union

from fastapi import (
    Cookie,
    Depends,
    FastAPI,
    Query,
    WebSocket,
    WebSocketException,
    status,
)
from fastapi.responses import HTMLResponse

app = FastAPI()

html = """
<!DOCTYPE html>
<html>
    <head>
        <title>Chat</title>
    </head>
    <body>
        <h1>WebSocket Chat</h1>
        <form action="" onsubmit="sendMessage(event)">

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Sat Mar 18 12:29:59 GMT 2023

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