from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

api_key = APIKeyHeader(name="key")


class User(BaseModel):
    username: str


def get_current_user(oauth_header: str = Security(api_key)):
    user = User(username=oauth_header)
    return user


@app.get("/users/me")
def read_current_user(current_user: User = Depends(get_current_user)):
    return current_user

from pydantic import BaseModel

app = FastAPI()

api_key = APIKeyHeader(name="key", description="An API Key Header")


class User(BaseModel):
    username: str


def get_current_user(oauth_header: str = Security(api_key)):
    user = User(username=oauth_header)
    return user


@app.get("/users/me")
def read_current_user(current_user: User = Depends(get_current_user)):
    return current_user

	return nil
}

// SetNotifyMySQL - helper for config migration from older config.
func SetNotifyMySQL(s config.Config, sqlName string, cfg target.MySQLArgs) error {
	if !cfg.Enable {
		return nil
	}

	if err := cfg.Validate(); err != nil {
		return err
	}

	s[config.NotifyMySQLSubSys][sqlName] = config.KVS{
		config.KV{
			Key:   config.Enable,
			Value: config.EnableOn,
		},
		config.KV{

                            "type": "string",
                        },
                        "username": {
                            "title": "Username",
                            "type": "string",
                        },
                    },
                    "required": [
                        "username",
                        "email",
                    ],
                    "title": "User",

    }

    private String maskUsername(String username) {
        if (!maskSensitiveData || username == null) {
            return username;
        }

        // Show first and last character only
        if (username.length() <= 2) {
            return "***";
        }

        return username.charAt(0) + "***" + username.charAt(username.length() - 1);
    }

   */
  @JvmOverloads
  fun charset(defaultValue: Charset? = null): Charset? {
    val charset = parameter("charset") ?: return defaultValue
    return try {
      Charset.forName(charset)
    } catch (_: IllegalArgumentException) {
      defaultValue // This charset is invalid or unsupported. Give up.
    }
  }

  /**

        assertEquals("java.lang.String", pc.getAttribute("implementation"));

        Parameter mp = md.getParameters().get(0);

        assertEquals("finalName", mp.getName());
        assertEquals("jarName", mp.getAlias());
        assertEquals("java.lang.String", mp.getType());
        assertEquals("java.lang.String", mp.getImplementation());
        assertTrue(mp.isEditable(), "Expected " + mp + ".isEditable() to return true");

    /**
     * Get a data config entity from a form.
     * @param form The create form.
     * @param username The username.
     * @param currentTime The current time.
     * @return An optional entity of a data config.
     */
    public static OptionalEntity<DataConfig> getEntity(final CreateForm form, final String username, final long currentTime) {
        switch (form.crudMode) {
        case CrudMode.CREATE:

from pydantic import BaseModel

app = FastAPI()

api_key = APIKeyQuery(name="key", description="API Key Query")


class User(BaseModel):
    username: str


def get_current_user(oauth_header: str = Security(api_key)):
    user = User(username=oauth_header)
    return user


@app.get("/users/me")
def read_current_user(current_user: User = Depends(get_current_user)):
    return current_user

Чтобы это обработать, сначала преобразуем `username` и `password` в `bytes`, закодировав их в UTF-8.

Затем можно использовать `secrets.compare_digest()`, чтобы убедиться, что `credentials.username` равен `"stanleyjobson"`, а `credentials.password` — `"swordfish"`.

{* ../../docs_src/security/tutorial007_an_py39.py hl[1,12:24] *}

Это было бы похоже на:

```Python