{* ../../docs_src/security/tutorial001_an_py310.py hl[8] *}

/// tip | Dica

Aqui `tokenUrl="token"` refere-se a uma URL relativa `token` que ainda não criamos. Como é uma URL relativa, é equivalente a `./token`.

            {
                "loc": ["body", "image", "url"],
                "input": "not a valid url",
                "msg": "Input should be a valid URL, relative URL without a base",
                "type": "url_parsing",
                "ctx": {"error": "relative URL without a base"},
            },
        ]
    }


def test_openapi_schema(client: TestClient):
    response = client.get("/openapi.json")

And we need to get the dependency function from the module `app.dependencies`, the file `app/dependencies.py`.

So we use a relative import with `..` for the dependencies:

{* ../../docs_src/bigger_applications/app_an_py310/routers/items.py hl[3] title["app/routers/items.py"] *}

#### How relative imports work { #how-relative-imports-work }

/// tip

If you know perfectly how imports work, continue to the next section below.

///

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

/**
 * Unit tests for the {@link UpgradeResult} class.
 * Tests result creation, merging, and status determination.
 */
@DisplayName("UpgradeResult")
class UpgradeResultTest {

    @Nested
    @DisplayName("Result Creation")
    class ResultCreationTests {

        @Test
        @DisplayName("should create empty result")
        void shouldCreateEmptyResult() {

/**
 * Authentication chain implementation that executes external commands for user operations.
 * Provides user management through command-line tool execution for password changes and user deletion.
 */
public class CommandChain implements AuthenticationChain {

    private static final Logger logger = LogManager.getLogger(CommandChain.class);

    /** Working directory for command execution. */

		t.Fatalf("Should find 3 tags")
	}

	var blog1 Blog
	DB.Preload("Tags").Find(&blog1)
	if !compareTags(blog1.Tags, []string{"tag1", "tag2", "tag3"}) {
		t.Fatalf("Preload many2many relations")
	}

	// Replace
	tag5 := &Tag{Locale: "ZH", Value: "tag5"}
	tag6 := &Tag{Locale: "ZH", Value: "tag6"}
	DB.Model(&blog).Association("Tags").Replace(tag5, tag6)
	var tags2 []Tag

 The following are generated from this model:

							return err
						}
					}
				}

				if !m.DB.DisableForeignKeyConstraintWhenMigrating && !m.DB.IgnoreRelationshipsWhenMigrating {
					for _, rel := range stmt.Schema.Relationships.Relations {
						if rel.Field.IgnoreMigration {
							continue
						}
						if constraint := rel.ParseConstraint(); constraint != nil &&

            s = file.getPath();
        } else if (file.getPath().startsWith(File.separator)) {
            // drive-relative Windows path, don't align with project directory but with drive root
            s = file.getAbsolutePath();
        } else {
            // an ordinary relative path, align with project directory
            s = new File(new File(basedir, s).toURI().normalize()).getAbsolutePath();
        }

* **Uvicorn** : un serveur ASGI
    * **Starlette** : (utilise Uvicorn) un microframework web
        * **FastAPI**: (utilise Starlette) un microframework pour API disposant de fonctionnalités additionnelles pour la création d'API, avec la validation des données, etc.

* **Uvicorn** :
    * A les meilleures performances, étant donné qu'il n'a pas beaucoup de code mis à part le serveur en lui‑même.