from collections.abc import Sequence
from typing import Annotated, Any, Optional, TypedDict, Union

from annotated_doc import Doc
from pydantic import BaseModel, create_model
from starlette.exceptions import HTTPException as StarletteHTTPException
from starlette.exceptions import WebSocketException as StarletteWebSocketException


class EndpointContext(TypedDict, total=False):
    function: str
    path: str
    file: str
    line: int

このようにして、モデル間の違いだけを宣言することができます:

{* ../../docs_src/extra_models/tutorial002.py hl[9,15,16,19,20,23,24] *}

## `Union`または`anyOf`

レスポンスを２つの型の`Union`として宣言することができます。

OpenAPIでは`anyOf`で定義されます。

そのためには、標準的なPythonの型ヒント<a href="https://docs.python.org/3/library/typing.html#typing.Union" class="external-link" target="_blank">`typing.Union`</a>を使用します:

{* ../../docs_src/extra_models/tutorial003.py hl[1,14,15,18,19,20,33] *}

## モデルのリスト

        scheme_name: Union[str, None],
        auto_error: bool,
    ):
        self.auto_error = auto_error

        self.model: APIKey = APIKey(
            **{"in": location},
            name=name,
            description=description,
        )
        self.scheme_name = scheme_name or self.__class__.__name__

    def make_not_authenticated_error(self) -> HTTPException:
        """

## Example

### Create it

Create a file `main.py` with:

```Python
from typing import Union

from fastapi import FastAPI

app = FastAPI()


@app.get("/")
def read_root():
    return {"Hello": "World"}


@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}
```

<details markdown="1">

    this.selfLoopCount = checkNonNegative(selfLoopCount);
    checkState(selfLoopCount <= inEdgeMap.size() && selfLoopCount <= outEdgeMap.size());
  }

  @Override
  public Set<N> adjacentNodes() {
    return Sets.union(predecessors(), successors());
  }

  @Override
  public Set<E> incidentEdges() {
    return new AbstractSet<E>() {
      @Override
      public UnmodifiableIterator<E> iterator() {

import static org.eclipse.aether.impl.scope.BuildScopeQuery.select;
import static org.eclipse.aether.impl.scope.BuildScopeQuery.singleton;
import static org.eclipse.aether.impl.scope.BuildScopeQuery.union;

/**
 * Maven4 scope configurations. Configures scope manager to support Maven4 scopes.
 * <p>
 * This manager supports all the new Maven 4 dependency scopes defined in {@link DependencyScope}.
 *
 * @since 2.0.0

	typedef struct {
		uint32_t flags;
		[string] wchar_t *dfs_name;
	} DfsInfo300;

	typedef struct {
		uint32_t count;
		[size_is(count)] DfsInfo300 *s;
	} DfsEnumArray300;

	typedef union {
		[case(1)] DfsEnumArray1 *info1;
		[case(3)] DfsEnumArray3 *info3;
		[case(200)] DfsEnumArray200 *info200;
		[case(300)] DfsEnumArray300 *info300;
	} DfsEnumInfo;

	typedef struct {
		uint32_t level,

import static org.eclipse.aether.impl.scope.BuildScopeQuery.select;
import static org.eclipse.aether.impl.scope.BuildScopeQuery.singleton;
import static org.eclipse.aether.impl.scope.BuildScopeQuery.union;

/**
 * Maven3 scope configurations. Configures scope manager to support Maven3 scopes.
 * <p>
 * This manager supports the old Maven 3 dependency scopes.
 *
 * @since 2.0.0

### Create it { #create-it }

Create a file `main.py` with:

```Python
from typing import Union

from fastapi import FastAPI

app = FastAPI()


@app.get("/")
def read_root():
    return {"Hello": "World"}


@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}
```

<details markdown="1">

Das gleiche wird passieren, wenn Sie eine <abbr title="Eine Union mehrerer Typen bedeutet: „Irgendeiner dieser Typen“">Union</abbr> mehrerer Typen haben, und einer oder mehrere sind nicht gültige Pydantic-Typen. Zum Beispiel funktioniert folgendes nicht 💥:

{* ../../docs_src/response_model/tutorial003_04_py310.py hl[8] *}