## Diseño { #design }

Luego pasé algún tiempo diseñando la "API" de desarrollador que quería tener como usuario (como desarrollador usando FastAPI).

Probé varias ideas en los editores de Python más populares: PyCharm, VS Code, editores basados en Jedi.

## Design { #design }

Then I spent some time designing the developer "API" I wanted to have as a user (as a developer using FastAPI).

I tested several ideas in the most popular Python editors: PyCharm, VS Code, Jedi based editors.

By the last <a href="https://www.jetbrains.com/research/python-developers-survey-2018/#development-tools" class="external-link" target="_blank">Python Developer Survey</a>, that covers about 80% of the users.

## Design { #design }

Eu então dediquei algum tempo projetando a "API" de desenvolvimento que eu queria como usuário (como um desenvolvedor usando o FastAPI).

Eu testei várias ideias nos editores Python mais populares: PyCharm, VS Code, e editores baseados no Jedi.

      "type": "type_error.integer"
    }
  ],
  "body": {
    "title": "towel",
    "size": "XL"
  }
}
```

#### FastAPIs `HTTPException` vs. Starlettes `HTTPException` { #fastapis-httpexception-vs-starlettes-httpexception }

**FastAPI** hat seine eigene `HTTPException`.

Und die `HTTPException`-Fehlerklasse von **FastAPI** erbt von der `HTTPException`-Fehlerklasse von Starlette.

        checkArgument(
            fromUpperBounds.length == toUpperBounds.length
                && fromLowerBounds.length == toLowerBounds.length,
            "Incompatible type: %s vs. %s",
            fromWildcardType,
            to);
        for (int i = 0; i < fromUpperBounds.length; i++) {
          populateTypeMappings(mappings, fromUpperBounds[i], toUpperBounds[i]);
        }

Inconsistency in spelling conventions can lead to several issues:

        int comparedUsingComparisonChain = signum(comparatorUsingComparisonChain.compare(a, b));
        int comparedUsingComparatorMethods = signum(comparatorUsingComparatorMethods.compare(a, b));
        assertWithMessage("%s vs %s", a, b)
            .that(comparedUsingComparatorMethods)
            .isEqualTo(comparedUsingComparisonChain);
      }
    }
  }

  static class Bar {
    private final boolean isBaz;

Ensuite, j'ai passé du temps à concevoir l'"API" de développeur que je voulais avoir en tant qu'utilisateur (en tant que développeur utilisant FastAPI).

J'ai testé plusieurs idées dans les éditeurs Python les plus populaires : PyCharm, VS Code, les éditeurs basés sur Jedi.

            assertEquals(443, handler2.getDefaultPort());
            assertEquals(443, handler3.getDefaultPort());
        }
    }

    @Nested
    @DisplayName("HTTP vs HTTPS Comparison Tests")
    class ProtocolComparisonTests {

        @Test
        @DisplayName("Should use different ports for HTTP and HTTPS")
        void testDifferentPorts() {
            // Given

        }
    ]
}

```

被替换为了以下文本格式的错误信息：

```
1 validation error
path -> item_id
  value is not a valid integer (type=type_error.integer)

```

### `RequestValidationError` vs `ValidationError`

/// warning | 警告

如果您觉得现在还用不到以下技术细节，可以先跳过下面的内容。

///