#### *경로 처리 데코레이터* 정의 { #define-a-path-operation-decorator }

{* ../../docs_src/first_steps/tutorial001_py310.py hl[6] *}

`@app.get("/")`은 **FastAPI**에게 바로 아래에 있는 함수가 다음으로 이동하는 요청을 처리한다는 것을 알려줍니다:

* 경로 `/`
* <dfn title="HTTP GET 메소드"><code>get</code> 작동</dfn> 사용

/// info | `@decorator` 정보

이 `@something` 문법은 파이썬에서 "데코레이터"라 부릅니다.

    serviceManager.startAsync().awaitHealthy();
    ImmutableMap<Service, Long> startupTimes = serviceManager.startupTimes();
    assertThat(startupTimes).hasSize(2);
    assertThat(startupTimes.get(a)).isAtLeast(150);
    assertThat(startupTimes.get(b)).isAtLeast(353);
  }

  public void testServiceStartupDurations() {
    if (isWindows() && isJava8()) {

            if (settings.getAsList("synonyms", null) != null) {
                logger.warn("synonyms values are empty.");
            } else if (settings.get("synonyms_path") != null) {
                logger.warn("synonyms_path[{}] is empty.", settings.get("synonyms_path"));
            } else {
                logger.debug("No synonym data.");
            }
        }
    }

    @Override

  }

  private void assertOrderingReadOnly(Multimap<String, Integer> multimap) {
    assertThat(multimap.get("foo")).containsExactly(5, 3).inOrder();
    assertThat(multimap.get("bar")).containsExactly(4, 1).inOrder();
    assertThat(multimap.get("cow")).contains(2);

    assertThat(multimap.keySet()).containsExactly("foo", "bar", "cow").inOrder();

            .filter(s -> s.lang != Language.UNKNOWN)
            .limit(2)
            .toList();

        if (pair.size() == 2 &&
            pair.get(0).lang == Language.GROOVY &&
            pair.get(1).lang == Language.KOTLIN) {
            addError(errors, file, new Error(pair.get(0).line,
                "Reversed order: found Groovy first then Kotlin. Expected Kotlin first then Groovy."));
        }
    }

        self._errors = errors
        self.endpoint_ctx = endpoint_ctx

        ctx = endpoint_ctx or {}
        self.endpoint_function = ctx.get("function")
        self.endpoint_path = ctx.get("path")
        self.endpoint_file = ctx.get("file")
        self.endpoint_line = ctx.get("line")

    def errors(self) -> Sequence[Any]:
        return self._errors

    def _format_endpoint_context(self) -> str:

            case "expression":
                factory = scriptModule.engines.get("expression").compile("test", "doc['n'].value", ScoreScript.CONTEXT, Map.of());
                break;
            case "metal":
                factory = bareMetalScript();
                break;
            case "painless_cast":
                factory = scriptModule.engines.get("painless")
                    .compile(
                        "test",

from fastapi import FastAPI, Path

app = FastAPI()


@app.get("/items/{item_id}")
async def read_items(*, item_id: int = Path(title="The ID of the item to get"), q: str):
    results = {"item_id": item_id}
    if q:
        results.update({"q": q})

    try {
      future.get();
      Assert.fail("This call was supposed to throw an ExecutionException");
    } catch (ExecutionException expected) {
      Assert.assertSame(expectedCause, expected.getCause());
    }
  }

  public void assertTimeout() throws Exception {
    // Verify that the listener does not get called in a reasonable amount of
    // time.

    assertEquals(expectedValue, future.get());
  }

  public void testCancelledFuture() throws InterruptedException, ExecutionException {
    assertTrue(future.isDone());
    assertTrue(future.isCancelled());

    assertTrue(latch.await(5, SECONDS));
    assertTrue(future.isDone());
    assertTrue(future.isCancelled());

    assertThrows(CancellationException.class, future::get);
  }