"scopes": {"read:users": "Read the users", "write:users": "Create users"},
        }
    },
    description="OAuth2 security scheme",
    auto_error=False,
)


class User(BaseModel):
    username: str


def get_current_user(oauth_header: Optional[str] = Security(reusable_oauth2)):
    if oauth_header is None:
        return None
    user = User(username=oauth_header)
    return user

            if (isBeforeOrAfterPhase(task)) {
                String prevTask = task;
                task = PhaseId.of(task).phase();
                LOGGER.warn("Illegal call to phase '{}'. The main phase '{}' will be used instead.", prevTask, task);
            }
            if (isGoalSpecification(task)) {
                // "pluginPrefix[:version]:goal" or "groupId:artifactId[:version]:goal"

        activeDependencies.removeAll(finishedProjects);
        return activeDependencies;
    }

    /**
     * Gets the smart project comparator used for critical path scheduling.
     *
     * @return the project comparator
     */
    public SmartProjectComparator getProjectComparator() {
        return projectComparator;
    }

import static org.junit.jupiter.api.Assertions.assertEquals;

/**
 */
class DefaultExceptionHandlerTest {
    /**
     * Running Maven under JDK7 may cause connection issues because IPv6 is used by default.
     * <p>
     * e.g running mvn site:run will cause Jetty to fail.
     * </p>
     * <p>
     * The resolution is to add -Djava.net.preferIPv4Stack=true to the command line as documented in

在任何*路径操作*收到`request`前,可以添加要和请求一起运行的代码.

也可以在*响应*生成但是返回之前添加代码.

例如你可以添加自定义请求头 `X-Process-Time` 包含以秒为单位的接收请求和生成响应的时间:

{* ../../docs_src/middleware/tutorial001.py hl[10,12:13] *}

## 其他中间件

你可以稍后在 [Advanced User Guide: Advanced Middleware](../advanced/middleware.md){.internal-link target=_blank}阅读更多关于中间件的教程.

)

// State - enabled/disabled/suspended states
// for multifactor and status of versioning.
type State string

// Various supported states
const (
	Enabled State = "Enabled"
	// Disabled  State = "Disabled" only used by MFA Delete not supported yet.
	Suspended State = "Suspended"
)

var (
	errExcludedPrefixNotSupported = Errorf("excluded prefixes extension supported only when versioning is enabled")

        from ._compat.v2 import with_info_plain_validator_function

        return with_info_plain_validator_function(cls._validate)


class DefaultPlaceholder:
    """
    You shouldn't use this class directly.

    It's used internally to recognize when a default value has been overwritten, even
    if the overridden default value was truthy.
    """

    def __init__(self, value: Any):
        self.value = value

/**
 * Caches raw plugin descriptors. A raw plugin descriptor is a descriptor that has just been extracted from the plugin
 * artifact and does not contain any runtime specific data. The cache must not be used for descriptors that hold runtime
 * data like the plugin realm. <strong>Warning:</strong> This is an internal utility interface that is only public for

	"github.com/minio/pkg/v3/env"
	xnet "github.com/minio/pkg/v3/net"
	clientv3 "go.etcd.io/etcd/client/v3"
	"go.etcd.io/etcd/client/v3/namespace"
	"go.uber.org/zap"
)

const (
	// Default values used while communicating with etcd.
	defaultDialTimeout   = 5 * time.Second
	defaultDialKeepAlive = 30 * time.Second
)

// etcd environment values
const (
	Endpoints     = "endpoints"
	PathPrefix    = "path_prefix"

        // This is yet another reason we need configuration factory methods.
        // workaround for https://github.com/gradle/gradle/issues/12459
        // note: constraints can't be used here because they end up in gradle module metadata
        val attributesFactory = gradle.serviceOf<AttributesFactory>()
        configurations.all {
            if (isCanBeResolved && !isCanBeConsumed) {