Buna ek olarak Python'un **Veri Bilimi**, Makine Öğrenimi ve özellikle Derin Öğrenme için ana dil olduğu gerçeği, FastAPI'yi Veri Bilimi / Makine Öğrenimi web API'leri ve uygulamaları için çok iyi bir seçenek haline getirir.

Production'da nasıl oldugunu görmek için şu bölüme bakın [Deployment](deployment/index.md){.internal-link target=_blank}.

## `async` ve `await`

    void testConstructor_NonWorkgroupType_ThrowsException() throws Exception {
        // Given: A non-workgroup type with a host
        when(locator.getType()).thenReturn(SmbConstants.TYPE_SERVER);
        when(locator.getURL()).thenReturn(createSmbURL("smb://server/"));

        // When & Then: Constructor should throw SmbException

        assertEquals(Constants.GET_METHOD, testListener.requestMethod);
        assertNull(testListener.exceptionUrl);
        assertEquals(1, testClient.count);
        assertEquals(url, response.getUrl());
        assertEquals(Constants.GET_METHOD, response.getMethod());
    }

    public void test_doGet_with4Exception() {
        final FaultTolerantClient client = new FaultTolerantClient();

        final Set<String> urlSet = new HashSet<>();
        final List<UrlQueue<?>> childList = childUrlList.stream()
                .filter(d -> StringUtil.isNotBlank(d.getUrl()) && urlSet.add(d.getUrl()) && crawlerContext.getUrlFilter().match(d.getUrl()))
                .map(d -> {
                    final UrlQueue<?> uq = crawlerContainer.getComponent("urlQueue");
                    uq.setCreateTime(SystemUtil.currentTimeMillis());

        } else if (e.isInfoEnabled()) {
            logger.info(e.getMessage());
        } else if (e.isWarnEnabled()) {
            logger.warn("Crawling access exception at url: {}", urlQueue.getUrl(), e);
        } else if (e.isErrorEnabled()) {
            logger.error("Crawling access exception at url: {}", urlQueue.getUrl(), e);
        }
    }

    /**

        assertEquals(data1.getMethod(), data2.getMethod());
        assertEquals(data1.getUrl(), data2.getUrl());
        assertEquals(data1.getWeight(), data2.getWeight(), 0.001f);

        assertEquals(data2.getMethod(), data3.getMethod());
        assertEquals(data2.getUrl(), data3.getUrl());
        assertEquals(data2.getWeight(), data3.getWeight(), 0.001f);
    }

            assertEquals("application/octet-stream", responseData.getMimeType());
            assertNull(responseData.getResponseBody());
            assertNull(responseData.getMetaDataMap().get("label"));
        }
        try (final ResponseData responseData = s3Client.doHead("s3://fess/dir1/dir2/file3.txt")) {
            assertEquals("s3://fess/dir1/dir2/file3.txt", responseData.getUrl());

        final Set<String> urlSet = new HashSet<>();
        final List<UrlQueue<?>> childList = childUrlList.stream()
                .filter(d -> StringUtil.isNotBlank(d.getUrl()) && urlSet.add(d.getUrl()) && crawlerContext.urlFilter.match(d.getUrl()))
                .map(d -> {
                    final UrlQueue<?> uq = crawlerContainer.getComponent("urlQueue");
                    uq.setCreateTime(SystemUtil.currentTimeMillis());

            assertEquals("application/octet-stream", responseData.getMimeType());
            assertNull(responseData.getResponseBody());
            assertNull(responseData.getMetaDataMap().get("label"));
        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/dir3/file4.txt")) {
            assertEquals("storage://fess/dir3/file4.txt", responseData.getUrl());

            assertEquals("file2", new String(InputStreamUtil.getBytes(responseData.getResponseBody())));
            assertEquals(5, responseData.getContentLength());
        }
        try (final ResponseData responseData = smbClient.doGet(baseUrl + "dir1/dir2/file3.txt")) {
            assertEquals(baseUrl + "dir1/dir2/file3.txt", responseData.getUrl());