Stellen Sie sicher, dass Sie eine [virtuelle Umgebung](../virtual-environments.md){.internal-link target=_blank} erstellen, sie aktivieren und dann das Paket installieren, zum Beispiel:

```console
$ pip install python-multipart
```

Das liegt daran, dass hochgeladene Dateien als „Formulardaten“ gesendet werden.

FastAPI 不使用 `Optional[str]` 中的 `Optional`， 但 `Optional` 可以让编辑器提供更好的支持，并检测错误。

///

## 不使用 Pydantic

До FastAPI 0.106.0 вызывать исключения после `yield` было невозможно: код после `yield` в зависимостях выполнялся уже после отправки ответа, поэтому [Обработчики исключений](../tutorial/handling-errors.md#install-custom-exception-handlers){.internal-link target=_blank} к тому моменту уже отработали.

    throw new UnsupportedOperationException();
  }

  /**
   * {@inheritDoc}
   *
   * <p>This implementation of {@code getAllPresent} lacks any insight into the internal cache data
   * structure, and is thus forced to return the query keys instead of the cached keys. This is only
   * possible with an unsafe cast which requires {@code keys} to actually be of type {@code K}.
   *

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"bytes"
	"encoding/xml"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/minio/minio/internal/auth"
)

// Test S3 Bucket lifecycle APIs with wrong credentials
func TestBucketLifecycleWrongCredentials(t *testing.T) {

        final JobProcess jobProcess = runningProcessMap.get(sessionId);
        return jobProcess != null && jobProcess.getProcess().isAlive();
    }

    /**
     * Internal method to destroy a specific JobProcess.
     * Handles cleanup of streams, threads, and process termination.
     *
     * @param sessionId unique identifier for the process session

package jcifs.internal;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.mock;

package jcifs.internal.util;

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

import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.CsvSource;
import org.junit.jupiter.params.provider.ValueSource;

import jcifs.SmbConstants;

/**
 * Test class for SMBUtil
 */
class SMBUtilTest {

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.idn

import okio.Buffer
import okio.ByteString.Companion.encodeUtf8

/**
 * An [RFC 3492] punycode decoder for converting ASCII to Unicode domain name labels. This is

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.configuration.internal;

import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.lang.reflect.Type;
import java.util.HashMap;