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docs/ja/docs/tutorial/query-params-str-validations.md
デフォルト値`None`を`Query(default=None)`に置き換える必要があるので、`Query`の最初の引数はデフォルト値を定義するのと同じです。 なので: ```Python q: Optional[str] = Query(default=None) ``` ...を以下と同じようにパラメータをオプションにします: ```Python q: Optional[str] = None ``` しかし、これはクエリパラメータとして明示的に宣言しています。 /// info | 情報 FastAPIは以下の部分を気にすることを覚えておいてください: ```Python = None ``` もしくは: ```Python
Created: Sun Dec 28 07:19:09 GMT 2025 - Last Modified: Mon Nov 18 02:25:44 GMT 2024 - 10.2K bytes - Click Count (0) -
docs_src/query_params_str_validations/tutorial004_regex_an_py310.py
from typing import Annotated from fastapi import FastAPI, Query app = FastAPI() @app.get("/items/") async def read_items( q: Annotated[ str | None, Query(min_length=3, max_length=50, regex="^fixedquery$") ] = None, ): results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]} if q: results.update({"q": q})
Created: Sun Dec 28 07:19:09 GMT 2025 - Last Modified: Mon Nov 18 02:25:44 GMT 2024 - 366 bytes - Click Count (0) -
docs_src/query_params_str_validations/tutorial007_an_py310.py
Created: Sun Dec 28 07:19:09 GMT 2025 - Last Modified: Tue Mar 26 16:56:53 GMT 2024 - 337 bytes - Click Count (0) -
docs_src/query_params_str_validations/tutorial004_an_py39.py
from typing import Annotated, Union from fastapi import FastAPI, Query app = FastAPI() @app.get("/items/") async def read_items( q: Annotated[ Union[str, None], Query(min_length=3, max_length=50, pattern="^fixedquery$") ] = None, ): results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]} if q: results.update({"q": q})
Created: Sun Dec 28 07:19:09 GMT 2025 - Last Modified: Tue Oct 24 20:26:06 GMT 2023 - 381 bytes - Click Count (0) -
docs_src/encoder/tutorial001_py310.py
from fastapi import FastAPI from fastapi.encoders import jsonable_encoder from pydantic import BaseModel fake_db = {} class Item(BaseModel): title: str timestamp: datetime description: str | None = None app = FastAPI() @app.put("/items/{id}") def update_item(id: str, item: Item): json_compatible_item_data = jsonable_encoder(item)Created: Sun Dec 28 07:19:09 GMT 2025 - Last Modified: Fri Jan 07 14:11:31 GMT 2022 - 430 bytes - Click Count (0) -
tests/test_custom_schema_fields.py
from pydantic import BaseModel, WithJsonSchema app = FastAPI() class Item(BaseModel): name: str description: Annotated[ Optional[str], WithJsonSchema({"type": ["string", "null"]}) ] = None model_config = { "json_schema_extra": { "x-something-internal": {"level": 4}, } } @app.get("/foo", response_model=Item) def foo(): return {"name": "Foo item"}
Created: Sun Dec 28 07:19:09 GMT 2025 - Last Modified: Sat Dec 20 15:55:38 GMT 2025 - 1.3K bytes - Click Count (0) -
tests/test_validate_response_dataclass.py
from fastapi.testclient import TestClient from pydantic.dataclasses import dataclass app = FastAPI() @dataclass class Item: name: str price: Optional[float] = None owner_ids: Optional[list[int]] = None @app.get("/items/invalid", response_model=Item) def get_invalid(): return {"name": "invalid", "price": "foo"} @app.get("/items/innerinvalid", response_model=Item)
Created: Sun Dec 28 07:19:09 GMT 2025 - Last Modified: Wed Dec 17 21:25:59 GMT 2025 - 1.2K bytes - Click Count (0) -
docs/ru/docs/tutorial/body.md
/// note | Заметка FastAPI понимает, что значение `q` не является обязательным из-за значения по умолчанию `= None`. Аннотации типов `str | None` (Python 3.10+) или `Union[str, None]` (Python 3.9+) не используются FastAPI для определения обязательности; он узнает, что параметр не обязателен, потому что у него есть значение по умолчанию `= None`. Но добавление аннотаций типов позволит вашему редактору кода лучше вас поддерживать и обнаруживать ошибки.
Created: Sun Dec 28 07:19:09 GMT 2025 - Last Modified: Wed Dec 17 20:41:43 GMT 2025 - 11.6K bytes - Click Count (0) -
docs_src/pydantic_v1_in_v2/tutorial004_an_py39.py
from typing import Annotated, Union from fastapi import FastAPI from fastapi.temp_pydantic_v1_params import Body from pydantic.v1 import BaseModel class Item(BaseModel): name: str description: Union[str, None] = None size: float app = FastAPI() @app.post("/items/") async def create_item(item: Annotated[Item, Body(embed=True)]) -> Item:
Created: Sun Dec 28 07:19:09 GMT 2025 - Last Modified: Sat Oct 11 16:45:54 GMT 2025 - 373 bytes - Click Count (0) -
fastapi/exceptions.py
*, endpoint_ctx: Optional[EndpointContext] = None, ) -> None: super().__init__(errors, endpoint_ctx=endpoint_ctx) class ResponseValidationError(ValidationException): def __init__( self, errors: Sequence[Any], *, body: Any = None, endpoint_ctx: Optional[EndpointContext] = None, ) -> None: super().__init__(errors, endpoint_ctx=endpoint_ctx)Created: Sun Dec 28 07:19:09 GMT 2025 - Last Modified: Sat Dec 27 12:54:56 GMT 2025 - 6.8K bytes - Click Count (0)