"404": {
                            "description": "Not found if GraphiQL or query via GET are not enabled.",
                        },
                    },
                    "summary": "Handle Http Get",
                },
                "post": {
                    "operationId": "handle_http_post_graphql_post",
                    "responses": {
                        "200": {

def _get_signature(call: Callable[..., Any]) -> inspect.Signature:
    if sys.version_info >= (3, 10):
        try:
            signature = inspect.signature(call, eval_str=True)
        except NameError:
            # Handle type annotations with if TYPE_CHECKING, not used by FastAPI
            # e.g. dependency return types
            signature = inspect.signature(call)
    else:
        signature = inspect.signature(call)

        or hasattr(origin, "__pydantic_core_schema__")
        or hasattr(origin, "__get_pydantic_core_schema__")
    )


def field_annotation_is_scalar(annotation: Any) -> bool:
    # handle Ellipsis here to make tuple[int, ...] work nicely
    return annotation is Ellipsis or not field_annotation_is_complex(annotation)


def field_annotation_is_scalar_sequence(annotation: Union[type[Any], None]) -> bool:

def serialize_sequence_value(*, field: ModelField, value: Any) -> Sequence[Any]:
    origin_type = get_origin(field.field_info.annotation) or field.field_info.annotation
    if origin_type is Union or origin_type is UnionType:  # Handle optional sequences
        union_args = get_args(field.field_info.annotation)
        for union_arg in union_args:
            if union_arg is type(None):
                continue

    opt raise
        dep -->> handler: Raise HTTPException
        handler -->> client: HTTP error response
        dep -->> dep: Raise other exception
    end
    dep ->> operation: Run dependency, e.g. DB session
    opt raise
        operation -->> dep: Raise HTTPException
        dep -->> handler: Auto forward exception
        handler -->> client: HTTP error response

common:windows --host_copt=/d2ReducedOptimizeHugeFunctions

# Before VS 2017 15.8, the member "type" would non-conformingly have an
# alignment of only alignof(max_align_t). VS 2017 15.8 was fixed to handle this
# correctly, but the fix inherently changes layout and breaks binary
# compatibility (*only* for uses of aligned_storage with extended alignments).
common:windows --copt=-D_ENABLE_EXTENDED_ALIGNED_STORAGE

                    prefix + route.path, route.endpoint, name=route.name
                )
        for handler in router.on_startup:
            self.add_event_handler("startup", handler)
        for handler in router.on_shutdown:
            self.add_event_handler("shutdown", handler)
        self.lifespan_context = _merge_lifespan_context(
            self.lifespan_context,
            router.lifespan_context,

    @classmethod
    def __get_pydantic_json_schema__(
        cls, core_schema: Mapping[str, Any], handler: GetJsonSchemaHandler
    ) -> dict[str, Any]:
        return {"type": "string", "format": "binary"}

    @classmethod
    def __get_pydantic_core_schema__(
        cls, source: type[Any], handler: Callable[[Any], Mapping[str, Any]]
    ) -> Mapping[str, Any]:

    # class "feature"
    assert is_uploadfile_sequence_annotation(Union[list[str], list[UploadFile]])


def test_serialize_sequence_value_with_optional_list():
    """Test that serialize_sequence_value handles optional lists correctly."""
    from fastapi._compat import v2

    field_info = FieldInfo(annotation=Union[list[str], None])
    field = v2.ModelField(name="items", field_info=field_info)

* «the enumeration»: «die Enumeration»
* «the enum»: «das Enum»
* «the engine»: «die Engine»
* «the error response»: «die Error-Response»
* «the event»: «das Event»
* «the exception»: «die Exception»
* «the exception handler»: «der Exceptionhandler»
* «the form model»: «das Formularmodell»
* «the form body»: «der Formularbody»
* «the header»: «der Header»
* «the headers» (plural): «die Header»
* «in headers» (plural): «in Headern»