### Установка `pydantic-settings` { #install-pydantic-settings }

Сначала убедитесь, что вы создали [виртуальное окружение](../virtual-environments.md){.internal-link target=_blank}, активировали его, а затем установили пакет `pydantic-settings`:

<div class="termy">

import org.apache.maven.impl.resolver.scopes.Maven4ScopeManagerConfiguration;
import org.apache.maven.internal.impl.DefaultLookup;
import org.apache.maven.internal.impl.DefaultSession;
import org.codehaus.plexus.PlexusContainer;
import org.eclipse.aether.DefaultRepositorySystemSession;
import org.eclipse.aether.internal.impl.scope.ScopeManagerImpl;

public class MavenTestHelper {

 * 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 mockwebserver3.junit5.internal

import java.lang.reflect.Modifier
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import org.junit.jupiter.api.extension.BeforeAllCallback

 * limitations under the License.
 */
package okhttp3.internal.authenticator

import java.net.Authenticator
import java.net.InetAddress
import junit.framework.TestCase.assertNull
import okhttp3.FakeDns
import okhttp3.Protocol.HTTP_2
import okhttp3.Request
import okhttp3.Response
import okhttp3.TestValueFactory
import okhttp3.internal.RecordingAuthenticator
import org.junit.jupiter.api.AfterEach

	io.Reader
	// Response body should be logged
	LogBody bool

	// internal recording buffer
	buf bytes.Buffer
	// total bytes read including header size
	bytesRead int
}

// Close is a no operation closer
func (r *RequestRecorder) Close() error {
	// no-op
	return nil
}

// Read reads from the internal reader and counts/save the body in the memory

власні заголовки можна додавати, використовуючи <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers" class="external-link" target="_blank">префікс 'X-'</a>.

Але якщо у Вас є власні заголовки, які Ви хочете, щоб браузерний клієнт міг побачити, потрібно додати їх до Вашої конфігурації CORS (див. [CORS (Обмін ресурсами між різними джерелами)](cors.md){.internal-link target=_blank} за допомогою параметра `expose_headers`, описаного в <a href="https://www.starlette.dev/middleware/#corsmiddleware"...

//--> Analysis of Date: Summary no class cycles class cycle class cycles class layers classes (using external classes) grouped in packages no package cycles package cycle package cycles no package packages Type Number of classes Averaged (maximum) size in bytes Averaged (maximum) number of usage by other classes Averaged (maximum) number of used internal classes Averaged (maximum) number of used external clasess Interfaces Abstract classes Concrete classes Cycles Name Number of classes Best Fragment...

	"bytes"
	"encoding/base64"
	"encoding/hex"
	"testing"

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

var isMultipartTests = []struct {
	Metadata  map[string]string
	Multipart bool
}{
	{Multipart: true, Metadata: map[string]string{MetaMultipart: ""}},                          // 0
	{Multipart: true, Metadata: map[string]string{"X-Minio-Internal-Encrypted-Multipart": ""}}, // 1

 * limitations under the License.
 */
package okhttp3.internal.publicsuffix

import java.util.SortedSet
import java.util.TreeSet
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.OkHttpClient
import okhttp3.Request
import okhttp3.coroutines.executeAsync
import okhttp3.internal.publicsuffix.ResourcePublicSuffixList.Companion.PUBLIC_SUFFIX_RESOURCE

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

package cmd

import (
	"context"
	"encoding/xml"
	"net/http"

	xhttp "github.com/minio/minio/internal/http"
	"github.com/minio/minio/internal/logger"
)

// writeSTSErrorResponse writes error headers
func writeSTSErrorResponse(ctx context.Context, w http.ResponseWriter, errCode STSErrorCode, err error) {