from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

reusable_oauth2 = OAuth2(
    flows={
        "password": {
            "tokenUrl": "token",
            "scopes": {"read:users": "Read the users", "write:users": "Create users"},
        }
    },
    auto_error=False,
)


class User(BaseModel):
    username: str

from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

reusable_oauth2 = OAuth2(
    flows={
        "password": {
            "tokenUrl": "token",
            "scopes": {"read:users": "Read the users", "write:users": "Create users"},
        }
    }
)


class User(BaseModel):
    username: str


# Here we use string annotations to test them

from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

reusable_oauth2 = OAuth2(
    flows={
        "password": {
            "tokenUrl": "token",
            "scopes": {"read:users": "Read the users", "write:users": "Create users"},
        }
    },
    description="OAuth2 security scheme",
    auto_error=False,
)


class User(BaseModel):
    username: str

    @app.get("/users/me/items/")
    async def read_own_items(
        current_user: Annotated[User, Security(get_current_active_user, scopes=["items"])]
    ):
        return [{"item_id": "Foo", "owner": current_user.username}]
    ```
    """

        "A parameter-less dependency must have a callable dependency"
    )
    own_oauth_scopes: list[str] = []
    if isinstance(depends, params.Security) and depends.scopes:
        own_oauth_scopes.extend(depends.scopes)
    return get_dependant(
        path=path,
        call=depends.dependency,
        scope=depends.scope,
        own_oauth_scopes=own_oauth_scopes,
    )

                    },
                },
            },
            "securitySchemes": {
                "OAuth2PasswordBearer": {
                    "type": "oauth2",
                    "flows": {"password": {"scopes": {}, "tokenUrl": "token"}},
                }
            },
        },

                operation_security_dict[security_name].append(scope)
    operation_security = [
        {name: scopes} for name, scopes in operation_security_dict.items()
    ]
    return security_definitions, operation_security


def _get_openapi_operation_parameters(
    *,
    dependant: Dependant,
    model_name_map: ModelNameMap,
    field_mapping: dict[

                    "OAuth2PasswordBearer": {
                        "type": "oauth2",
                        "flows": {
                            "password": {
                                "scopes": {
                                    "me": "Read information about the current user.",
                                    "items": "Read items.",
                                },

class Depends:
    dependency: Optional[Callable[..., Any]] = None
    use_cache: bool = True
    scope: Union[Literal["function", "request"], None] = None


@dataclass(frozen=True)
class Security(Depends):

class HTTPBearer(HTTPBase):
    scheme: Literal["bearer"] = "bearer"
    bearerFormat: Optional[str] = None


class OAuthFlow(BaseModelWithConfig):
    refreshUrl: Optional[str] = None
    scopes: dict[str, str] = {}


class OAuthFlowImplicit(OAuthFlow):
    authorizationUrl: str


class OAuthFlowPassword(OAuthFlow):
    tokenUrl: str


class OAuthFlowClientCredentials(OAuthFlow):