*
     * @param file
     *            File. Must not be {@literal null}.
     * @return A <code>ZipFile</code> for reading the specified file.
     */
    public static ZipFile create(final File file) {
        assertArgumentNotNull("file", file);

        try {
            return new ZipFile(file);
        } catch (final IOException e) {

from fastapi import FastAPI, File, UploadFile

app = FastAPI()


@app.post("/files/")
async def create_file(file: Annotated[bytes | None, File()] = None):
    if not file:
        return {"message": "No file sent"}
    else:
        return {"file_size": len(file)}


@app.post("/uploadfile/")
async def create_upload_file(file: UploadFile | None = None):
    if not file:

![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)

## Ein Docker-Image mit einem Single-File-FastAPI erstellen { #build-a-docker-image-with-a-single-file-fastapi }

Wenn Ihr FastAPI eine einzelne Datei ist, zum Beispiel `main.py` ohne ein `./app`-Verzeichnis, könnte Ihre Dateistruktur wie folgt aussehen:

```
.
├── Dockerfile

    public void testCompleteReconnectSuccess() {
        HandleGuid guid = manager.requestDurableHandle("/test/file.txt", HandleType.DURABLE_V2, 120000, null);

        HandleInfo info = manager.getHandleForReconnect("/test/file.txt");
        assertTrue(info.isReconnecting());

        manager.completeReconnect("/test/file.txt", true);

        info = manager.getHandleByGuid(guid);
        assertNotNull(info);

    public String alignToBaseDirectory(String path, File basedir) {
        if (basedir == null) {
            return path;
        }

        if (path == null) {
            return null;
        }

        String s = stripBasedirToken(path);

        File file = new File(s);
        if (file.isAbsolute()) {
            // path was already absolute, just normalize file separator and we're done
            s = file.getPath();

        request = new Smb2CreateRequest(mockConfig, "");

        // Test normal path
        request.setPath("test\\file.txt");
        assertEquals("\\test\\file.txt", request.getPath());

        // Test path with leading backslash (should be stripped)
        request.setPath("\\test\\file.txt");
        assertEquals("\\test\\file.txt", request.getPath());

        // Test path with trailing backslash (should be stripped)

       * file that gets bundled with the application.
       */
      private fun trustedCertificatesInputStream(): InputStream {
        ... // Full source omitted. See sample.
      }

      private fun trustManagerForCertificates(inputStream: InputStream): X509TrustManager {
        ... // Full source omitted. See sample.
      }
    ```

   *
   * <p>If the returned map doesn't contain all requested {@code keys} then the entries it does
   * contain will be cached, but {@code getAll} will throw an exception. If the returned map
   * contains extra keys not present in {@code keys} then all returned entries will be cached, but
   * only the entries for {@code keys} will be returned from {@code getAll}.
   *

        final URL url = new File("/Program File").toURI().toURL();
        assertEquals("file:" + getRoot() + "Program File", ResourceUtil.toExternalForm(url));
    }

    /**
     * @throws Exception
     */
    public void testGetFileName() throws Exception {
        URL url = new File("/Program File").toURI().toURL();
        assertEquals(getRoot() + "Program File", ResourceUtil.getFileName(url));

```

///

## Importe `File` e `Form` { #import-file-and-form }

{* ../../docs_src/request_forms_and_files/tutorial001_an_py310.py hl[3] *}

## Defina parâmetros de `File` e `Form` { #define-file-and-form-parameters }

Crie parâmetros de arquivo e formulário da mesma forma que você faria para `Body` ou `Query`:

{* ../../docs_src/request_forms_and_files/tutorial001_an_py310.py hl[10:12] *}