abstract fun contentType(): MediaType?

  /**
   * Returns the number of bytes that will be written to sink in a call to [writeTo],
   * or -1 if that count is unknown.
   */
  @Throws(IOException::class)
  open fun contentLength(): Long = -1L

  /** Writes the content of this request to [sink]. */
  @Throws(IOException::class)
  abstract fun writeTo(sink: BufferedSink)

  /**

    with path.open("rb") as file:
        response = client.post("/files/", files={"file": file})
    assert response.status_code == 200, response.text
    assert response.json() == {"file_size": 14}


def test_post_upload_file(tmp_path, client: TestClient):
    path = tmp_path / "test.txt"
    path.write_bytes(b"<file content>")

    with path.open("rb") as file:

    private static final int BUFFER_SIZE = 8192;

    public interface StreamSupplier {
        InputStream open() throws IOException;
    }

    public interface ReaderSupplier {
        Reader open() throws IOException;
    }

    /**
     * @deprecated use {@link #build(ReaderSupplier)}
     */
    @Deprecated

    patha = tmp_path / "test.txt"
    pathb = tmp_path / "testb.txt"
    patha.write_text("<file content>")
    pathb.write_text("<file b content>")

    client = TestClient(app)
    with patha.open("rb") as filea, pathb.open("rb") as fileb:
        response = client.post(
            "/files/",
            data={"token": "foo"},
            files={"file": filea, "fileb": ("testb.txt", fileb, "text/plain")},
        )

            return 0;
        }
        final long start = fp;

        if (tmp == null) {
            throw new IOException("Bad file descriptor");
        }
        // ensure file is open
        file.open(openFlags, access, SmbFile.ATTR_NORMAL, 0);

        /*
         * Read AndX Request / Response
         */

        if (LogStream.level >= 4) {

	f, err := Open(path, flag, perm)
	if err != nil {
		return nil, err
	}

	if err = lockFile(syscall.Handle(f.Fd()), lockType); err != nil {
		f.Close()
		return nil, err
	}

	st, err := os.Stat(path)
	if err != nil {
		f.Close()
		return nil, err
	}

	if st.IsDir() {
		f.Close()
		return nil, &os.PathError{
			Op:   "open",
			Path: path,
			Err:  syscall.EISDIR,

* HTTPS
* Replikation, mit Autoscaling basierend auf Requests
* usw.

FastAPI Cloud ist Hauptsponsor und Finanzierer der Open-Source-Projekte *FastAPI and friends*. ✨

## Bei anderen Cloudanbietern deployen { #deploy-to-other-cloud-providers }

FastAPI ist Open Source und basiert auf Standards. Sie können FastAPI-Apps bei jedem Cloudanbieter Ihrer Wahl deployen.

    private static final int STRUCTURE_SIZE = 16;

    private byte[] fileId; // 16-byte file ID from previous open

    /**
     * Create a new durable handle reconnect context
     * @param fileId the 16-byte file ID from the previous open
     */
    public DurableHandleReconnect(byte[] fileId) {
        if (fileId.length != 16) {

    with path.open("rb") as file:
        response = client.post("/files/", files={"file": file})
    assert response.status_code == 200, response.text
    assert response.json() == {"file_size": 14}


def test_post_upload_file(tmp_path: Path, client: TestClient):
    path = tmp_path / "test.txt"
    path.write_bytes(b"<file content>")

    with path.open("rb") as file:

)

func TestNewPReader(t *testing.T) {
	files, err := os.ReadDir("testdata")
	if err != nil {
		t.Fatal(err)
	}
	for _, file := range files {
		t.Run(file.Name(), func(t *testing.T) {
			f, err := os.Open(filepath.Join("testdata", file.Name()))
			if err != nil {
				t.Fatal(err)
			}
			r := NewPReader(f, &ReaderArgs{})
			var record sql.Record
			for {
				record, err = r.Read(record)
				if err != nil {